Question 1
Which of the following is a key feature of Cisco ACI (Application Centric Infrastructure)?
A. It provides Layer 2 switching only
B. It automates network management and allows policy-driven application delivery
C. It is only compatible with Cisco switches
D. It eliminates the need for virtualization in the data center

Correct Answer: B
Explanation: Cisco ACI provides policy-driven automation and allows network management that is application-centric.

Question 2
Which of the following is the main purpose of vPC (Virtual Port Channel) in a Cisco data center network?
A. Provide redundant power
B. Enable link aggregation without spanning tree protocol blocking links
C. Isolate virtual machines within the same physical switch
D. Simplify the management of storage area networks

Correct Answer: B
Explanation: vPC enables link aggregation while avoiding the issues of spanning tree blocking links.

Question 3
Which Cisco technology helps with virtualizing compute, network, and storage resources in a data center environment?
A. Cisco UCS (Unified Computing System)
B. Cisco Nexus 9000 Series
C. Cisco Meraki
D. Cisco ASA

Correct Answer: A
Explanation: Cisco UCS allows virtualization across compute, network, and storage resources.

Question 4
In a Cisco UCS deployment, what is the primary role of the Fabric Interconnect?
A. Connects servers to external storage
B. Provides management and connectivity for UCS chassis and blades
C. Manages virtual machines
D. Aggregates LAN traffic

Correct Answer: B
Explanation: The Fabric Interconnect is responsible for managing UCS chassis and blades, providing connectivity.

Question 5
Which layer of the Cisco ACI fabric is responsible for the logical management of the entire network?
A. Application Layer
B. Policy Layer
C. Fabric Layer
D. Control Layer

Correct Answer: B
Explanation: The Policy Layer in Cisco ACI is responsible for logical network management based on application policies.

Question 6
What is the primary purpose of spanning tree protocol (STP) in a Layer 2 network?
A. Prevent broadcast storms
B. Enable traffic forwarding
C. Prevent network loops
D. Allow the use of multiple paths

Correct Answer: C
Explanation: STP prevents network loops by disabling redundant paths in a Layer 2 network.

Question 7
Which protocol is used by Cisco Nexus switches for vPC consistency check?
A. OSPF
B. HSRP
C. LACP
D. BFD

Correct Answer: C
Explanation: LACP (Link Aggregation Control Protocol) is used for vPC consistency check in Cisco Nexus switches.

Question 8
What is the default MTU (Maximum Transmission Unit) size used in a Cisco data center for VXLAN encapsulated traffic?
A. 9000 bytes
B. 1500 bytes
C. 4500 bytes
D. 1200 bytes

Correct Answer: A
Explanation: The VXLAN encapsulated traffic requires a 9000-byte MTU for optimal performance in data center networks.

Question 9
Which technology does Cisco HyperFlex use to provide hyperconverged infrastructure in the data center?
A. Cisco ACI
B. Cisco UCS
C. VMware vSphere
D. Cisco Nexus 7000

Correct Answer: B
Explanation: Cisco HyperFlex is a hyperconverged infrastructure solution based on Cisco UCS.

Question 10
In a Cisco UCS environment, which component manages the physical resources, configuration, and policy enforcement?
A. Fabric Interconnect
B. Blade Server
C. CIMC
D. Server Node

Correct Answer: A
Explanation: The Fabric Interconnect in UCS manages physical resources, configuration, and policy enforcement.

Question 11
What is the role of Cisco Nexus 9000 Series switches in a data center environment?
A. Provide application-level firewall security
B. Handle high-performance routing and switching
C. Manage endpoint security
D. Provide file storage management

Correct Answer: B
Explanation: Cisco Nexus 9000 Series switches provide high-performance routing and switching in data center environments.

Question 12
Which of the following is a core concept of network automation in a Cisco Data Center?
A. Automating network devices without human intervention
B. Using static IP addressing for simplicity
C. Reducing the use of APIs in network management
D. Using command-line interfaces only

Correct Answer: A
Explanation: Network automation allows devices to be managed and configured automatically with minimal human intervention.

Question 13
What is the purpose of Cisco ACI’s Endpoint Groups (EPGs)?
A. Define logical groups of devices with similar policies
B. Segment physical switches for better fault tolerance
C. Manage IP address allocation for virtual machines
D. Provide virtual machines with dynamic routing

Correct Answer: A
Explanation: Endpoint Groups (EPGs) define logical groups of devices with similar network policies in Cisco ACI.

Question 14
Which of the following is NOT a typical feature of Cisco UCS Manager?
A. Configuration management of UCS hardware
B. Virtual machine management
C. System monitoring and alerting
D. Firmware management

Correct Answer: B
Explanation: Cisco UCS Manager is primarily used for hardware management, not virtual machine management.

Question 15
Which tool can be used to automate the configuration of Cisco devices using Ansible?
A. Cisco DNA Center
B. Cisco Prime Infrastructure
C. Cisco ACI
D. Cisco UCS Manager

Correct Answer: A
Explanation: Cisco DNA Center integrates with Ansible for network automation and device configuration.

Question 16
Which protocol allows data to be transferred efficiently between servers and storage in a Cisco data center environment?
A. NFS
B. iSCSI
C. Fiber Channel
D. FTP

Correct Answer: C
Explanation: Fiber Channel is used for high-speed, high-performance storage networking in data centers.

Question 17
In Cisco ACI, which component maps policies to physical and virtual endpoints?
A. Application Policy Infrastructure Controller (APIC)
B. Cisco UCS Manager
C. Fabric Interconnect
D. Nexus 9000 Switch

Correct Answer: A
Explanation: The APIC (Application Policy Infrastructure Controller) is responsible for mapping and enforcing policies to endpoints.

Question 18
Which Cisco tool is used for managing and monitoring the performance of virtualized data center resources?
A. Cisco Prime Infrastructure
B. Cisco UCS Central
C. Cisco vSphere
D. Cisco HyperFlex Manager

Correct Answer: D
Explanation: Cisco HyperFlex Manager provides centralized management and monitoring of virtualized data center resources.

Question 19
Which Cisco Nexus feature enables the extension of VLANs across geographically dispersed data centers?
A. OTV (Overlay Transport Virtualization)
B. vPC
C. FCoE
D. FabricPath

Correct Answer: A
Explanation: OTV (Overlay Transport Virtualization) allows VLAN extension across remote data centers.

Question 20
In the context of Cisco data centers, what does VXLAN provide?
A. Network automation
B. High-performance routing
C. Layer 2 extension over Layer 3 networks
D. Firewall security for virtualized networks

Correct Answer: C
Explanation: VXLAN is used to extend Layer 2 networks over Layer 3 infrastructure, particularly in virtualized environments.