Wednesday, 17 December 2025

Cisco ACI Service Graph Management Models Explained

Cisco ACI provides three distinct approaches to manage service graphs, each offering different levels of control and integration:

  1. Network Policy Mode (Unmanaged)
    In this mode, ACI configures only the network aspects of the service graph within the fabric. No configuration changes are pushed to the L4-L7 device, making it suitable when device policies are managed externally.

  2. Service Policy Mode (Managed)
    Here, ACI not only handles the fabric configuration but also manages VLAN settings on the L4-L7 device. The APIC administrator can directly input device-specific configurations through the APIC interface, ensuring centralized control.

  3. Service Manager Mode
    This model allows the firewall or load balancer administrator to define L4-L7 policies. ACI takes care of the fabric and VLAN configurations, while the APIC administrator links these policies with the network policy, enabling a collaborative approach.

Choosing the Right Cisco ACI Service Graph Mode

When designing with Cisco ACI, selecting the right service graph mode depends on your operational needs:

  • Dynamic Configuration Needs?
    If firewalls and load balancers must be configured dynamically through APIC, choose Service Policy Mode. If a separate administrator handles device configuration, opt for Network Policy Mode or Service Manager Mode.

  • Frequent Commissioning Like Cloud Services?
    For environments where devices are frequently added or removed, Service Policy Mode or Service Manager Mode works best. If services remain static for long periods, Network Policy Mode or Service Manager Mode is more practical.

  • Complex Multi-Leg Designs?
    If your design requires multiple interfaces or DMZ configurations, manual service insertion using EPGs and bridge domains may be more convenient than using a service graph.

Bottom Line:
Your choice should align with automation needs, operational flexibility, and design complexity.

Friday, 14 November 2025

Wednesday, 5 November 2025

Top 20 Data Center Interview Questions for Network Engineers (2026 Guide)

Introduction

If you are preparing for Data Center, Cisco Nexus, or VMware interviews, this guide provides important MCQs along with detailed explanations.

It helps you:

  • Understand real concepts
  • Prepare for interviews
  • Build strong fundamentals

1. What is the role of the control plane in the Cisco Nexus switch?

  • Controls switch management
  • Controls access to the console
  • Controls access to the remote console
  • Runs network protocols like OSPF and Spanning Tree

Answer: Runs network protocols like OSPF and Spanning Tree
Explanation: The control plane is responsible for network decision-making. It runs routing protocols like OSPF and STP to determine how traffic should flow. It acts as the brain of the device, while the data plane forwards actual traffic.

2. Which option creates a Layer 3 isolated segment?

  • Create a VRF instance
  • Create a VLAN
  • Create subnet in management VRF
  • Create subnet in default VRF

Answer: Create a VRF instance
Explanation: VRF allows multiple routing tables on the same device, providing full isolation. It is widely used in multi-tenant environments where separation is required.

3. What are three components of vSphere? (Choose Three)

  • ESXi hypervisor
  • VMware Workstation
  • vCenter Server
  • Hyper-V Server
  • Active Directory Server
  • vSphere Web Client

Answer: ESXi hypervisor, vCenter Server, vSphere Web Client
Explanation: ESXi hosts the virtual machines, vCenter manages the infrastructure, and the Web Client provides GUI access for administration.

4. VM disk images characteristics (Choose Two)

  • Files can be copied and moved
  • Changes are not saved
  • Works only on same hardware
  • Stored as .vmdk files
  • .vmdd extension used

Answer: Files can be copied and moved, Stored as .vmdk files
Explanation: VM disks are portable and stored as .vmdk files. This allows easy backup, cloning, and migration across environments.

5. Which connects virtual machines inside a hypervisor?

  • VRF
  • Virtual router
  • Virtual center
  • Virtual switch
  • Virtual LAN

Answer: Virtual switch
Explanation: A virtual switch connects VMs internally and to external networks. It functions like a physical switch inside the hypervisor.

6. VXLAN encapsulation uses:

  • Mac-in-TCP
  • Mac-in-UDP
  • Mac-in-Mac
  • IPsec
  • Mac-in-GRE

Answer: Mac-in-UDP
Explanation: VXLAN encapsulates Layer 2 frames into UDP packets, enabling Layer 2 communication over Layer 3 networks and supporting large-scale environments.

7. VXLAN packet destination MAC?

  • Anycast gateway MAC
  • Local VTEP MAC
  • ESXi NIC MAC
  • Broadcast MAC

Answer: Local VTEP MAC
Explanation: Encapsulated packets are sent to the destination VTEP, which handles decapsulation and forwards traffic to the target host.

8. OSPF Graceful Restart works in:

  • Switch reload
  • Supervisor switchover
  • OSPF failure
  • Misconfigured neighbor
  • Misconfigured OSPF

Answer: Switch reload, Supervisor switchover
Explanation: Graceful restart ensures uninterrupted forwarding during control plane restarts, improving network availability.

9. What is a datastore?

  • Physical ESXi storage
  • Only VM storage
  • Logical container for VMs
  • Local storage only
  • File-sharing storage

Answer: Logical container for VMs
Explanation: A datastore abstracts physical storage and holds VMs, templates, and ISO files, simplifying storage management.

10. When are multiple vNICs needed?

  • Improve stability
  • Multiple VMs
  • Connect to multiple networks
  • Reduce latency
  • Internet access

Answer: Connect to multiple networks
Explanation: Multiple vNICs allow a VM to connect to different networks, improving segmentation and flexibility.

11. VXLAN forwarding statement:

  • L2 lookup when MAC not local
  • Anycast gateway always bridges
  • MP-BGP uses VTEP IP as next hop
  • Uses anycast VTEP as next hop

Answer: MP-BGP uses VTEP IP as next hop
Explanation: In VXLAN EVPN, MP-BGP distributes MAC/IP routes, and VTEP IP addresses are used as next hop for routing decisions.

12. VMware standard switch features (Choose Two)

  • CDP support
  • Visibility
  • ACL support
  • VLAN tagging support
  • QoS
  • STP participation

Answer: CDP support, VLAN tagging support
Explanation: Standard switches support VLAN tagging and CDP, enabling basic networking features within ESXi.

13. Purpose of CoPP:

  • Blocks control traffic
  • Drops attackers
  • Limits control-plane traffic
  • Monitors CPU only

Answer: Limits control-plane traffic
Explanation: CoPP protects the control plane by rate-limiting traffic, preventing CPU overload and improving device stability.

14. Management VRF characteristics (Choose Two)

  • Not default
  • mgmt0 uses it
  • Default routing
  • EIGRP supported
  • Static routing supported
  • OSPF supported

Answer: mgmt0 uses it, Static routing supported
Explanation: Management VRF is used for out-of-band management. It isolates management traffic from data traffic and supports static routing.


15. VRF-aware service command:

  • Manual routing needed
  • Auto detection
  • Must specify always
  • Uses default VRF
  • Defaults to default if not specified

Answer: Defaults to default if not specified
Explanation: If VRF is not specified, the command runs in the default VRF. Explicit VRF mention is needed for non-default contexts.

16. Benefits of virtualization (Choose Three)

  • Resource efficiency
  • Better utilization
  • Hardware issues reduced
  • Licensing free
  • Easy hardware movement
  • VM portability
  • Hardware independence

Answer: Resource efficiency, Better utilization, VM portability, Hardware independence
Explanation: Virtualization optimizes resource usage, allows easy VM migration, and abstracts hardware dependencies.

17. VM migration behavior:

  • VM downtime
  • Host shutdown
  • Isolation
  • No interruption

Answer: No interruption
Explanation: Features like vMotion enable live migration of VMs without downtime, ensuring service continuity.

18. Overlay network:

  • Modify physical network
  • Virtual addressing
  • Uses physical infrastructure to carry virtual traffic
  • Only in VMware

Answer: Uses physical infrastructure to carry virtual traffic
Explanation: Overlay networks run on top of physical networks using tunneling protocols like VXLAN.

19. Layer 3 encapsulation:

  • No changes
  • Change MAC
  • Adds new header
  • L2 tunnel
  • Overlay creation

Answer: Adds new header
Explanation: Layer 3 encapsulation adds an IP header, enabling packets to travel across routed networks.

20. Anycast gateway:

  • Same IP different MAC
  • No mobility
  • Needs ARP again
  • Same IP and MAC

Answer: Same IP and MAC
Explanation: Anycast gateway uses the same IP and MAC across all VTEPs, allowing seamless host mobility without ARP changes.


Tuesday, 4 November 2025

HSRP v1 vs v2, Preempt and Tracking Explained, HSRP Vs VRRP - (Cisco Interview Guide)


Introduction

In enterprise networks, default gateway redundancy is critical to ensure uninterrupted connectivity. If the gateway fails, users lose access to external networks.

Cisco provides HSRP (Hot Standby Router Protocol) to eliminate this single point of failure by enabling multiple routers to act as a single virtual gateway.

This blog covers:

  • HSRP fundamentals
  • HSRP v1 vs v2
  • HSRP preempt (with best practices)
  • HSRP preempt with tracking (real-world design)
  • HSRP vs VRRP comparison

What is HSRP

HSRP is a Cisco proprietary First Hop Redundancy Protocol (FHRP).

How It Works

  • One router becomes Active → forwards traffic
  • One router becomes Standby → backup
  • Both share a Virtual IP
  • Hosts use the virtual IP as default gateway

Key Parameters

  • Default Hello Timer: 3 sec
  • Default Hold Timer: 10 sec
  • Election based on priority + highest IP

HSRP Version 1 vs Version 2

FeatureHSRP v1HSRP v2
Group Range0–2550–4095
Multicast Address224.0.0.2224.0.0.102
IPv6 SupportNoYes
MAC Address0000.0c07.acXX0000.0c9f.fXXX
ScalabilityLimitedHigh

Recommendation

Always use HSRP v2 in modern networks.

HSRP Preempt Explained

By default, if Active router fails and recovers, it does not reclaim Active role.

Preempt Solves This

  • Allows higher priority router to regain Active role
  • Ensures traffic flows as per design

Basic Configuration

standby 10 priority 110
standby 10 preempt

Where Should Preempt Be Configured

Best Practice

  • Configure preempt only on Primary Router

Why

  • Prevents unnecessary flapping
  • Ensures stable failover
  • Maintains deterministic behavior

Optional Delay

standby 10 preempt delay minimum 60

This allows routing protocols to converge before taking over.

HSRP Preempt with Tracking (Real-World Scenario)

Why Tracking is Needed

HSRP only checks router status, not network reachability.

Problem

  • R1 (Primary) has ISP uplink
  • Uplink fails → R1 still Active
  • Traffic gets blackholed

Solution: Preempt + Tracking

Topology

  • R1 → Primary (priority 110) → ISP uplink
  • R2 → Secondary (priority 100)

Configuration

R1 (Primary Router)

interface Vlan10
 ip address 10.1.10.2 255.255.255.0
 standby version 2
 standby 10 ip 10.1.10.1
 standby 10 priority 110
 standby 10 preempt
 standby 10 preempt delay minimum 60
 standby 10 track GigabitEthernet0/0 20

R2 (Secondary Router)

interface Vlan10
 ip address 10.1.10.3 255.255.255.0
 standby version 2
 standby 10 ip 10.1.10.1
 standby 10 priority 100

How It Works

Normal Condition

  • R1 priority = 110 → Active
  • R2 priority = 100 → Standby

Failure (R1 uplink down)

  • Tracking reduces R1 priority → 90
  • R2 becomes Active
  • Traffic continues normally

Recovery

  • R1 priority restored → 110
  • Preempt enabled → R1 becomes Active again

Why Preempt is Critical Here

Without preempt:

  • R1 returns but stays Standby
  • Traffic follows suboptimal path

With preempt:

  • Network returns to optimal design state

Advanced Tracking Using IP SLA (Recommended)

Instead of interface tracking, use real reachability:

ip sla 1
 icmp-echo 8.8.8.8 source-interface GigabitEthernet0/0
 frequency 5
ip sla schedule 1 life forever start-time now

track 1 ip sla 1 reachability

Apply:

standby 10 track 1 decrement 20

HSRP vs VRRP

FeatureHSRPVRRP
TypeCisco ProprietaryOpen Standard
Active RouterActiveMaster
Backup RouterStandbyBackup
PreemptDisabled by defaultEnabled by default
Multicast224.0.0.2/102224.0.0.18
Vendor SupportCisco onlyMulti-vendor

When to Use HSRP vs VRRP

Use HSRP

  • Cisco environments
  • ACI / Data Center
  • Advanced tracking required

Use VRRP

  • Multi-vendor networks
  • Simpler deployment

Interview Questions

Q1: Why use tracking in HSRP?
To detect upstream failures and trigger failover.

Q2: Why combine tracking with preempt?
Tracking handles failover, preempt ensures recovery to primary router.

Q3: Where should preempt be configured?
On the higher priority router only.

Design Best Practices

  • Use HSRP v2 always
  • Configure preempt only on primary
  • Combine preempt + tracking
  • Use IP SLA for accurate failover
  • Avoid equal priorities
  • Use preempt delay

Key Takeaways

  • HSRP prevents gateway failure
  • Preempt ensures correct Active router
  • Tracking prevents traffic blackhole
  • IP SLA improves decision accuracy
  • VRRP is better for multi-vendor setups

Conclusion

HSRP remains a cornerstone for high availability in enterprise networks. However, combining preempt with tracking is what makes the design truly resilient and production-ready.

In modern networks, always ensure:

  • Correct use of HSRP v2
  • Intelligent failover using tracking
  • Proper role restoration using preempt

This guarantees both high availability and optimal traffic flow.

Breaking Down the NX-OS Image Filename

Breaking Down the NX-OS Image Filename

Let’s take a closer look at a sample image filename:

nxos64-cs.10.5.1.F.bin

Here’s what each part means:

  • nxos64-cs: Indicates a 64-bit NX-OS image for specific platforms (e.g., Nexus 9000-EX, -FX, -GX, -GX2).
  • 10: Major release version.
  • 5: Minor release version.
  • 1: Maintenance release.
  • F: Release designation.
  • bin: Binary file extension.

This structured naming helps administrators quickly identify the right image for their hardware and software needs.

Understanding Image Prefixes

Cisco NX-OS images come in different formats based on platform architecture:

  • 32-bit images: Start with nxos (e.g., nxos.10.1.1.bin)
  • 64-bit images: Start with nxos64 (e.g., nxos64.10.1.1.bin)

Starting with Release 10.2(2)F, Cisco introduced two distinct 64-bit image types:

  1. nxos64-cs: For Nexus 9000-EX, -FX, -GX, -GX2 modular switches and fixed switches.
  2. nxos64-msll: For Nexus 9000-R, -R2 modular switches, Nexus 3600 fixed switches, and Nexus 3500-XL switches.

Release Designations Explained

Cisco uses specific letters to indicate the nature of a release:

  • F (Feature Release): Includes new features, platform support, and bug fixes.
  • M (Maintenance Release): Focuses on bug fixes and security patches, including PSIRT updates.

Each image ends with a .bin extension, confirming it’s a compressed binary file ready for deployment.

Conclusion

Understanding Cisco NX-OS coding is more than just decoding filenames—it’s about ensuring operational continuity, compatibility, and performance. As your infrastructure grows, especially in mission-critical environments like banking, being fluent in NX-OS versioning and image types will help you make informed decisions and maintain a resilient network.

Top 15 Cisco Data Center Interview Questions with Answers (Spine-Leaf, SAN, HCI)

Introduction

This guide covers important Cisco Data Center interview questions with clear explanations. These questions are commonly asked in CCNA, CCNP Data Center interviews and real-world networking roles.

Q1 - Which two devices would you choose to be a part of the core layer in the three-tier network design? (Choose two.)

  • Cisco Nexus 9500 Series Switch
  • Cisco Catalyst 9800 Series Switch
  • Cisco UCS 6200 Series Fabric Interconnect
  • hypervisor
  • Cisco Nexus 9300 Series Switch

Answer: Cisco Nexus 9500 Series Switch and Cisco Catalyst 9800 Series Switch

Explanation:
The core layer requires high-performance devices that provide:

  • High throughput
  • High availability
  • Fast forwarding

Cisco Nexus 9500 is designed for core/spine roles in data centers. Catalyst 9800 can also act in aggregation/core roles in some architectures. Devices like UCS Fabric Interconnect and hypervisors are not part of the core switching layer.

Q2 - Which option lists the three tiers of a three-tier architecture?

  • core, aggregation, and access
  • core, spine, and leaf
  • base, spine, and leaf
  • physical, data link, and network

Answer: core, aggregation, and access

Explanation:
The traditional enterprise/data center network is divided into:

  • Core layer → backbone connectivity
  • Aggregation layer → policy enforcement & routing
  • Access layer → connects end devices

This model is now being replaced by spine-leaf architecture in modern data centers.

Q3 - Cisco Unified Data Center is based on which three pillars of Cisco innovation? (Choose three.)

  • Cisco Unified Computing System
  • Cisco Unified Fabric
  • Cisco Unified Access
  • Cisco Unified Communications
  • Cisco Unified Management
  • Cisco Overlay Transport Virtualization
  • Cisco FabricPath

Answer: Cisco Unified Management, Cisco Unified Computing System, Cisco Unified Fabric

Explanation:
Cisco Unified Data Center is built on:

  • UCS → compute and server infrastructure
  • Unified Fabric → converged network (LAN + SAN)
  • Unified Management → centralized control

These pillars simplify operations and reduce infrastructure complexity.

Q4 - Which device would you choose to be a part of the core layer in a three-tier network design?

  • Cisco UCS 6400 Series Fabric Interconnect
  • Cisco Nexus 9500, Cisco Catalyst 6800, or Cisco Catalyst 6500 Series Switch
  • hypervisor
  • Cisco ASA security appliance

Answer: Cisco Nexus 9500, Cisco Catalyst 6800, or Cisco Catalyst 6500 Series Switch

Explanation:
Core layer devices must handle:

  • Large-scale traffic aggregation
  • High-speed switching
  • Redundancy

Nexus 9500 and Catalyst 6500/6800 are modular switches designed for core environments.

Important Note - Spine-Leaf vs Three-Tier

A spine-leaf architecture provides:

  • Better scalability → add spine/leaf easily
  • Predictable low latency → always 2-hop path
  • Higher performance → optimized for east-west traffic

Spine-leaf can provide approximately 25% better scalability compared to traditional three-tier designs.

Q5 - Which option describes the topology design in a spine-and-leaf network?

  • The design uses a partial mesh of links at the leaf layer
  • The design uses a full mesh of links between the leaf and aggregation layers
  • The design uses a full mesh of links between the spine and leaf layers
  • The design uses a full mesh of links at the leaf layer

Answer: The design uses a full mesh of links between the spine and leaf layers

Explanation:
In a spine-leaf topology:

  • Every leaf connects to every spine
  • There are no leaf-to-leaf links
  • Traffic always flows in predictable paths

This ensures consistent latency and scalability.

Q6 - What are three benefits of the two-tier storage network design? (Choose three.)

  • It is recommended for larger storage environments
  • It is elastic in case of failures
  • It is recommended for small-to-medium environments
  • It is redundant through dual-fabric design
  • It is very expensive
  • It is a single point of failure
  • It is optimum for IP storage

Answer:

  • It is recommended for larger storage environments
  • It is elastic in case of failures
  • It is redundant through dual-fabric design

Explanation:
Two-tier storage designs provide:

  • Redundancy using dual fabrics
  • Fault tolerance during failures
  • Scalability compared to single-tier designs

This is commonly used in enterprise SAN environments.

Q7 - Which statement about Cisco Compute Hyperconverged with Nutanix is correct?

  • It provides network connectivity with the Cisco Nexus 9500 series switches
  • Hardware compute platforms used are Cisco UCS blade servers
  • The solution is a combination of hardware and software
  • It uses SAN protocols like Fibre Channel

Answer: The Cisco Compute Hyperconverged with Nutanix solution is a combination of hardware and software

Explanation:
Hyperconverged infrastructure (HCI):

  • Combines compute + storage + networking
  • Uses software-defined storage
  • Eliminates traditional SAN dependency

Nutanix solutions integrate tightly with Cisco UCS hardware.

Q8 - Cisco Unified Data Center infrastructure eliminates silos and allows consolidation of which option?

  • LAN and WAN
  • LAN and SAN
  • LAN and WLAN
  • performance and security management

Answer: LAN and SAN

Explanation:
Unified Fabric merges:

  • LAN (Ethernet traffic)
  • SAN (storage traffic)

This reduces:

  • Cabling
  • Complexity
  • Operational cost

Q9 - In a spine-and-leaf topology, what is the minimum number of spines for redundancy?

  • one
  • two
  • four
  • six

Answer: two

Explanation:
At least two spines are needed:

  • To avoid single point of failure
  • To ensure high availability

If one spine fails, traffic can still flow through the second.

Q10 - What are two benefits of SAN storage network design? (Choose two.)

  • Allows easier maintenance
  • Redundant through dual fabric design
  • Very affordable
  • Single point of failure
  • Optimum for IP storage

Answer:

  • Allows easier maintenance
  • Redundant through dual fabric design

Explanation:
SAN provides:

  • Centralized storage management
  • High availability with redundancy
  • Improved server maintenance

Q11 - Which are three characteristics of a hyperconverged storage system? (Choose three.)

  • easy expansion
  • no SAN network
  • usage of multiple storage arrays
  • usage of redundant SAN switches
  • easy deployment and maintenance
  • fast convergence

Answer:

  • easy expansion
  • no SAN network
  • easy deployment and maintenance

Explanation:
Hyperconverged systems:

  • Scale easily by adding nodes
  • Remove need for external SAN
  • Simplify deployment and operations

Q12 - Which option lists the two tiers of a Clos-collapsed core architecture?

  • aggregation and access
  • spine and leaf
  • spine and access
  • collapsed core and leaf

Answer: spine and leaf

Explanation:
Clos architecture simplifies traditional design into:

  • Spine layer (backbone)
  • Leaf layer (access)

This improves scalability and performance.

Q13 - Small company storage expansion scenario

Question: Which network design approach is required?

  • cloud storage solution
  • three-tier network with Cisco MDS multilayer switches
  • directly attached network
  • storage area network

Answer: storage area network

Explanation:
When scaling storage:

  • DAS becomes inefficient
  • SAN provides centralized storage
  • Supports multiple servers

Q14 - If you are running out of physical ports, what should you do?

  • Add a core switch to each leaf
  • Add core switches together
  • Add a leaf switch connected to all spines
  • Add a leaf switch to each leaf

Answer: Add an additional leaf switch and connect it to each spine

Explanation:
In spine-leaf design:

  • Leaf switches connect end devices
  • Adding a leaf increases port capacity
  • No changes required in existing topology

Friday, 31 October 2025

Cisco Security questions

 

The role with the highest privilege in the system and is designed for users who need complete control over system configurations, indexes, and data.

Admin

Designed for advanced users who need more capabilities than regular users but do not require full administrative access.

Power

Allows for both administrative work and data management.

Select Match

The default role for most end users and provides access to basic search and reporting functionalities.

User

Which three common mandatory configuration fields apply to all Cisco security products when using the Application Setup page within the Cisco Security Cloud app? (Choose three.)

Top of Form

  • Host
  • Index
  • Input Name
  • Interval
  • Logging level
  • Name

Bottom of Form

What is the benefit of using Cisco Security Cloud app dashboards?

Top of Form

  • Dashboards can help the administrators monitor its performance and cloud connections.
  • Dashboards can help the administrators monitor resource performance, health, errors, product activities, and data integrity.
  • Dashboards can help the SOC teams monitor unauthorized administrative access.
  • Dashboards can help the SOC teams monitor users’ internal and external activities.

To install the Cisco Security Cloud app from a file, which of the following is a valid source location from which to get the file?

  • from Cisco Download Center
  • from Splunk Add-ons documentation page
  • from Splunk Download Center
  • from Splunkbase documentation page

Bottom of Form

 

 

Which of the following apps can be used to integrate different Cisco Security Solutions?

Top of Form

  • Cisco Cloud Security app
  • Cisco Security Cloud app
  • Cisco Splunk app
  • Cisco Splunk Security apps

Bottom of Form

 

Which of the following is a Cisco Security Cloud app dashboard?

Top of Form

  • Cisco AppDynamics
  • App Insights
  • Cisco Security Cloud App
  • Resource Utilization

Bottom of Form

 

Which of the following is an indicator for scaling Splunk?

Top of Form

  • CPU and Memory Utilization: Consistently high CPU (above 50 percent) and memory usage (above 50 percent) during peak times.
  • CPU and Memory Utilization: Consistently high CPU (above 55 percent) and memory usage (above 85 percent) during peak times.
  • CPU and Memory Utilization: Consistently high CPU (above 65 percent) and memory usage (above 60 percent) during peak times.
  • CPU and Memory Utilization: Consistently high CPU (above 75 percent) and memory usage (above 80 percent) during peak times.

When configuring the Cisco Secure Firewall eStreamer integration using the Cisco Security Cloud app, what is required with a corresponding password?

  • Cisco Secure Firewall Management Center eStreamer certificate
  • Cisco Secure Firewall Management Center self-signed certificate for accessing the Cisco Secure Firewall Management Center GUI
  • Cisco Secure Firewall Management Center eStreamer API Client ID
  • Cisco Secure Firewall Management Center eStreamer username

 

 

What is shown at the bottom of the Cisco Security Cloud App > Secure Firewall Dashboard page?

Top of Form

  • Event Details table
  • Connection Events table
  • Intrusion Events widgets
  • Timeline charts

Bottom of Form

 

Which UDP port number is used by Syslog by default?

Top of Form

  • 514
  • 22
  • 443
  • 8080

Bottom of Form

 

Which three types of data can be streamed using eStreamer in Cisco Secure Firewall Management Center? (Choose three.)

Top of Form

  • discovery events
  • correlation and allow list events
  • intrusion events, malware events, file events, connection events
  • CPU and Memory, high availability, Platform Logs firewall configuration settings
  • VPN session logs

 

In Splunk, what information can be viewed on the Data Integrity dashboard for the Cisco Security Cloud Application?

Top of Form

  • Analysis reports of historical malware.
  • Detailed logs of user activity.
  • Metrics of system performance.
  • Status of events for each integrated solution.

Bottom of Form

 

Over which method and TCP port do eStreamer server and client communicate?

Top of Form

  • HTTPS Secure TLS channel over TCP port 8302
  • HTTPS Secure TLS channel over TCP port 443
  • HTTP over TCP port 80
  • Syslog over UDP port 514
  • Syslog over TCP port 514

Bottom of Form

 

Which dashboard of Cisco Security Cloud Application in Splunk provides performance information such as CPU utilization, memory utilization, and input connection health monitoring?

Top of Form

  • Data Integrity
  • Diagnostics
  • Resource Utilization
  • Secure Firewall Dashboard

Bottom of Form

 

 

Which of the following dashboards provides a unified view of the Cisco Security Cloud performance, error handling, and health monitoring?

Top of Form

  • Data Integrity Dashboard
  • Health Monitoring Dashboard
  • Resource Utilization Dashboard
  • XDR Dashboard

Bottom of Form

 

Which two of the following options are valid authentication methods for integrating Cisco XDR with Splunk Enterprise by using the Cisco Security Cloud app? (Choose two.)

Top of Form

  • Client ID
  • Direct Database Connection
  • Message Broker
  • OAuth
  • SOAP APIs

 

Which of the following tiles can be found within the Cisco XDR dashboard on the Cisco Security Cloud app?

Top of Form

  • Mean Time To Engage, Mean Time To Resolution
  • XDR Cases
  • Unresolved Incidents
  • TTP Time Line Charts

Bottom of Form

 

Which of the following methods helps verify that the integration between Cisco XDR and Cisco Security Cloud App is successful?

Top of Form

  • Checking the app status on the Cisco Security Cloud app.
  • Checking the Splunk Health Connection tool.
  • Using the command line for validation.
  • Using the dedicated validation dashboard on the Cisco XDR app.

Bottom of Form

 

Which of the following options can generate user-specific credentials to access APIs programmatically?

Top of Form

  • API client credentials
  • OAuth code client credentials
  • Username client credentials
  • Token client credentials

Bottom of Form

 

Which of the following configuration fields is optional when configuring the Cisco XDR on the Cisco Security Cloud app?

Top of Form

  • Authentication Method
  • Region
  • Promote XDR Incidents to Enterprise Security Notables
  • Import Time Range

Bottom of Form

 

Which of the following authentication methods is used when integrating Cisco XDR with Splunk Cloud?

Top of Form

  • client certificate authentication
  • OAuth authentication
  • passwordless authentication
  • token-based authentication

Bottom of Form

 

Which dashboard helps an administrator ensure compliance with security policies such as MFA and locked-out users?

Top of Form

  • Cisco Multicloud Defense dashboard on Cisco Security Cloud app.
  • Duo Dashboard on Cisco Security Cloud app.
  • Secure Malware Analytics dashboard on Cisco Security Cloud app.
  • Secure Network Analytics dashboard on Cisco Security Cloud app.

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How would you integrate the Cisco Secure Network Analytics with the Cisco Security Cloud app?

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  • Create a Cisco Security Cloud app user with the needed permissions, and configure the Cisco Secure Network Analytics in the Cisco Security Cloud app.
  • Create a Cisco Secure Network Analytics SMC user with the needed permissions, determine the Cisco Secure Network Analytics Domain ID, and configure the Cisco Secure Network Analytics in the Cisco Security Cloud app.
  • Create the Cisco Secure Network Analytics Certificate and HTTPS connection settings and configure the Cisco Secure Network Analytics in the Cisco Security Cloud app.
  • Use the Cisco Secure Network Analytics API Key and configure Cisco Secure Network Analytics in the Cisco Security Cloud app.

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What format does Multicloud Defense use when sending Security Events and Traffic Log information to Splunk?

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  • structured data logs
  • semi-structured JSON data logs
  • syslogs
  • unstructured data logs

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Which four attributes are mandatory, when configuring the Cisco Secure Email Threat Defense Connection configuration settings? (Choose four.)

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  • API Key
  • Client ID
  • Email Threat Defense client certificate
  • Email Threat Defense IP address or hostname
  • Region name
  • Security Key

 

Which two of the following attributes are mandatory, when configuring the SNA Connection configuration settings? (Choose two.)

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  • API Key
  • API Secret
  • Cisco Security Cloud app IP Address
  • Domain ID
  • SMC username

Which method is valid for verifying Cisco Duo's integration with Cisco Security Cloud app?

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  • Checking the Duo Dashboard on the Cisco Security Cloud app.
  • Generating integration validation report from the Cisco Security Cloud app.
  • Using the Cisco Duo integration validation tool.
  • Using the Cisco Security Cloud app integration validation tool.

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Which method does the Multicloud Defense use to communicate with Splunk?

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  • APIs
  • DB connect
  • Universal forwarder
  • HEC

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Which of the following is a Cisco Security Cloud app dashboard?

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  • Cisco AppDynamics
  • App Insights
  • Cisco Security Cloud App
  • Resource Utilization

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CESA, NVM Questions

 

Question 1 -  As your company's employees work both on and off-premises, you plan to collect flow context from the endpoints to gain visibility into user behaviors. Since you have already deployed Cisco Secure Client, you plan to add NVM and ingest the related events into Splunk for advanced security analytics. Which Splunk app/add-on should you use for this purpose?

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  • The Cisco Security Cloud app
  • The Cisco SNA app
  • The Cisco Endpoint Threat Defense app and Cisco Endpoint Threat Defense add-on
  • The CESA app and CESA Add-OnBottom of Form

 

Question 2 - You are planning to transition the Cisco security legacy apps that you use in Splunk with the Cisco Secure Cloud app. Which three are benefits provided by the Cisco Security Cloud app? (Choose three.)

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  • Consistent index creation and data parsing that ensures efficient processing of ingested data of each product.
  • One index that is used for the ingested data from the supported Cisco products.
  • A specific dashboard for each product that facilitates on-time and detailed analysis of ingested data.
  • One built-in dashboard that shows all the possible integrations in one place for events analysis.
  • Integration with Splunk SOAR for automated responses to threats.
  • Software updates and compatibility with the latest Splunk platform versions.

 

 

Question 3 - For which legacy app setup do you need to copy the certificate and specify the required certificate name in Splunk so it can authenticate with the server for data ingestion?

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  • Duo Splunk Connector
  • Cisco Secure Network Analytics (Stealthwatch) App for Splunk Enterprise
  • Cisco Secure eStreamer Client Add-On for Splunk
  • Cisco Secure Malware Analytics

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Question 4 - You are using Cisco Secure Network Analytics for contextual visibility and monitoring of your private network and public cloud. You plan to ingest data from the Secure Network Analytics Management Console into Splunk and want to try the legacy app first and explore built-in dashboards so you can compare it with the Cisco Security Cloud later on. Which legacy app can you use?

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  • Cisco Cloud Security App
  • Cisco Secure Network Analytics (Stealthwatch) App
  • Cisco Stealthwatch App
  • Cisco Netflow Analytics App for Splunk

 

 

Question 5 - What is the primary function of a Splunk Technology Add-on (TA)?

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  • To provide comprehensive dashboards and reports for end-users.
  • To manage user authentication and authorization within Splunk.
  • To execute ad-hoc searches and generate alerts based on raw data.
  • To facilitate the onboarding, parsing, and normalization of data from specific sources.

Question 6 - You are searching Splunkbase for the Cisco Secure Firewall app for Splunk to see whether this app has reached end-of-life. Which two provide information for the end-of-life notice on the app page in Splunkbase? (Choose two.)

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  • In the description under the app name
  • In the Compatibility field
  • In the Support field
  • In the Version History tab
  • In the Summary tab
  • In the Installation tab

 

 

Question 7 - Which app requires a technology add-on for data ingestion of the supported Cisco security product?

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  • Duo Splunk Connector
  • Splunk for Cisco ISE
  • Cisco Security Cloud  
  • Cisco Secure Malware Analytics
  • Cisco Email Threat Defense connector for Splunk

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Question 8 - you have enabled ingestion of your Cisco ISE events into Splunk and installed the Splunk for Cisco ISE app for analyses. Which type of users can you inspect using this app?

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  • Wired and wireless users
  • Wired and VPN users
  • Wireless and VPN users
  • Wired, wireless, and VPN users

 

Question 9 - Which three top level menu items are available in the Cisco ISE app in Splunk? (Choose three.)

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  • Authentications
  • BYOD
  • ISE Profiler
  • TACACS+
  • TrustSec
  • Device Summary


Question 10 - You are setting up Cisco ISE to send Syslog events to Splunk. You have configured the Splunk server as a remote logging target, what else do you need to do?

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  • Configure the shared secret password.
  • Install the Cisco ISE system certificate to be used for the Syslog service.
  • Choose the logging categories for the Splunk logging target.
  • Create the logging policy rules under the Admin Policy Set.

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Question 11 - you are working as a SOC analyst, and you are integrating Cisco NVM on the endpoints with Splunk. You have set up the NVM Collector, and you need to configure Splunk to ingest the three feeds streamed from the collector. Which action should you take?

  • Configure three UDP data inputs, each with the port for the respective feed. 
  • Configure one UDP data input that includes all three ports for the feeds.
  •  Configure three TCP data inputs, each with the port for the respective feed. 
  • Configure one Syslog data input that includes all three ports for the feeds. 
  • Configure three Syslog data inputs, each with the port for the respective feed.

 

 

 

Question 12 - The employees in your organization connect to your corporate network through VPN from various locations, and you want to obtain insights into the traffic that is sent through the tunnel using the CESA app in Splunk. Which two options in the Zero Trust – VPN Split Tunneling/Network Monitor dashboard can you use to filter the display of information that is related to the traffic in the VPN tunnels? (Choose two.)

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  • Wired
  • Untrusted
  • Virtual
  • VPN
  • Trusted

 

Question 13 - During the verification of the NVM integration with Splunk, you need to confirm that the NVM collector status is active (running). This will help you ensure that the NVM collector is continuously receiving IPFIX data from the NVM endpoints. Which command should you use on the NVM Collector?

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  • sudo systemctl status acnvm.collector
  • sudo systemctl status nvm.collector
  • sudo systemctl status acnvm.service
  • sudo systemctl status nvm.service

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Question 14 - You need to modify the Splunk IP address in the NVM Collector configuration file. Which two options specify the name of the configuration file and the path where it is located? (Choose two.)

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  • /opt/cisco/nvm
  • /opt/acnvm/conf/
  • /opt/nvm/conf/
  • nvm.conf
  • nvm.xml
  • acnvm.conf

 

Question 16 - Which CESA App homepage category provides access to dashboards that visualize application behavior, such as top applications by volume and flow, top source and destination ports, as well as utilization data and integrated view of application processes?

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  • Devices
  • Applications
  • Users
  • Locations

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Question 17 - You have installed Cisco Enterprise Networking for Splunk Platform on Splunk to use the app's built-in dashboards to analyze events ingested from your enterprise environment. Which three Cisco products do the app dashboards support? (Choose three.)

Cisco ISE

Cisco Duo

Cisco Secure Endpoint

 Cisco Catalyst SD-WAN

Cisco Secure Firewall

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Question 18 - You have Cisco ISE and Splunk in your environment, and you want to try the Cisco ISE Data Connect to query Cisco ISE from Splunk for analysis and report creation. Which two components do you need for the integration? (Choose two.)

 Splunk DB Connect Splunk for Cisco ISE

Splunk Add-on for Cisco Identity Services

Splunk DBX Add-on for MySQL JDBC

Splunk DBX Add-on for Oracle JDBC

 

 

 

Question 19 - You have integrated Cisco NVM on the endpoints with Splunk to obtain deep endpoint visibility using the CESA app. Which two types of analyses can you perform with the built-in dashboards in the CESA app? (Choose two.)

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  • CPU usage on endpoints
  • Data and traffic across VPN and split tunnels
  • Suspicious emails containing phishing links
  • Endpoints using unapproved or block listed applications
  • System performance metrics for virtual servers

 

Which file contains the three following ports used between the Cisco NVM Collector and Splunk? "syslog_flowdata_server_port" : 20519 "syslog_sysdata_server_port" : 20520 "syslog_intdata_server_port" : 20521

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  • acnvm.conf file on the Cisco NVM Collector
  • NVM_ServiceProfile.xml file on the Cisco NVM Collector
  • acnvm.conf file on the Client running Cisco NVM
  • NVM_ServiceProfile.xml file on the Client running Cisco NVM

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