Sample Questions and Answer
Which statement best describes Cisco Nexus FabricPath technology?
A) It enables Layer 2 multipath forwarding by replacing Spanning Tree Protocol with IS-IS routing.
B) It is a Layer 3 routing protocol for data centers.
C) It is a VPN solution for data centers.
D) It manages server boot configurations.
Answer: A) It enables Layer 2 multipath forwarding by replacing Spanning Tree Protocol with IS-IS routing.
Explanation: FabricPath allows multiple active paths without loops.
How does Cisco UCS simplify SAN boot management?
A) By using SAN Connectivity Policies that configure WWPN pools and boot targets centrally.
B) By requiring manual configuration on each server’s BIOS.
C) By disabling Fibre Channel on servers.
D) By assigning VLANs to SAN traffic.
Answer: A) By using SAN Connectivity Policies that configure WWPN pools and boot targets centrally.
Explanation: Policies automate and centralize SAN boot setup.
In Cisco ACI, what is the role of a Contract?
A) To specify the rules that allow or deny traffic between Endpoint Groups.
B) To assign IP addresses.
C) To segment VLANs physically.
D) To upgrade firmware.
Answer: A) To specify the rules that allow or deny traffic between Endpoint Groups.
Explanation: Contracts enforce security and communication policies.
What is the Cisco UCS Management Interface used for?
A) Managing service profiles, policies, and server hardware configurations.
B) Configuring routing protocols.
C) Assigning IP addresses to clients.
D) Monitoring wireless access points.
Answer: A) Managing service profiles, policies, and server hardware configurations.
Explanation: UCS Manager centralizes hardware and policy management.
What does Cisco Nexus vPC technology improve?
A) Link redundancy and bandwidth utilization by allowing two switches to appear as one logical switch to connected devices.
B) Storage access speeds.
C) DHCP address assignment.
D) Firewall protection between VLANs.
Answer: A) Link redundancy and bandwidth utilization by allowing two switches to appear as one logical switch to connected devices.
Explanation: vPC provides active-active links and redundancy.
Which Cisco UCS policy would you use to control the firmware version deployed on a server?
A) Firmware Policy
B) Boot Policy
C) QoS Policy
D) BIOS Policy
Answer: A) Firmware Policy
Explanation: Firmware policies ensure consistent versions across hardware.
How does Cisco UCS ensure statelessness in its architecture?
A) By using service profiles to abstract server identity and configuration from physical hardware.
B) By assigning static IPs to servers.
C) By disabling PXE boot.
D) By using VLANs only for segregation.
Answer: A) By using service profiles to abstract server identity and configuration from physical hardware.
Explanation: Service profiles enable hardware-independent provisioning.
What is the purpose of VLAN Pools in Cisco UCS?
A) To group VLANs for dynamic assignment to vNICs or vHBAs.
B) To assign IP addresses automatically.
C) To route traffic between VLANs.
D) To configure storage zoning.
Answer: A) To group VLANs for dynamic assignment to vNICs or vHBAs.
Explanation: VLAN pools allow flexible VLAN assignment across servers.
In Cisco ACI, what is a Bridge Domain primarily used for?
A) Defining Layer 2 forwarding boundaries and associating IP subnets for routing.
B) Assigning VLANs physically.
C) Defining routing protocols.
D) Configuring server BIOS settings.
Answer: A) Defining Layer 2 forwarding boundaries and associating IP subnets for routing.
Explanation: Bridge domains are Layer 2 segments with optional Layer 3 gateways.
Which Cisco UCS policy type allows you to set BIOS configuration values?
A) BIOS Policy
B) Boot Policy
C) QoS Policy
D) Firmware Policy
Answer: A) BIOS Policy
Explanation: BIOS policies manage server firmware settings at the BIOS level.
What is a key advantage of Cisco UCS Fabric Extenders (FEX)?
A) They allow centralized management of distributed ports while extending fabric interconnect ports.
B) They perform routing between VLANs.
C) They assign IP addresses.
D) They replace the need for UCS Manager.
Answer: A) They allow centralized management of distributed ports while extending fabric interconnect ports.
Explanation: FEX devices extend the fabric interconnect’s reach without increasing management complexity.
Which protocol is primarily used to secure remote CLI access to Cisco Nexus switches?
A) SSH
B) Telnet
C) FTP
D) HTTP
Answer: A) SSH
Explanation: SSH encrypts command-line traffic, providing secure management access.
What is Cisco ACI’s approach to fabric-wide policy deployment?
A) Policies are defined centrally in APIC and pushed automatically to all relevant switches.
B) Policies must be configured on each switch individually.
C) Policies are only applied on edge switches.
D) Policies are managed manually by ACLs.
Answer: A) Policies are defined centrally in APIC and pushed automatically to all relevant switches.
Explanation: Centralized policy management is a core ACI benefit.
What is the function of WWPN pools in Cisco UCS?
A) To provide pools of worldwide port names for Fibre Channel initiators in service profiles.
B) To allocate IP addresses dynamically.
C) To assign VLANs.
D) To configure QoS policies.
Answer: A) To provide pools of worldwide port names for Fibre Channel initiators in service profiles.
Explanation: WWPN pools ensure unique SAN identities.
Which Cisco UCS policy would you configure to control network traffic priority for server network interfaces?
A) QoS Policy
B) Boot Policy
C) BIOS Policy
D) Firmware Policy
Answer: A) QoS Policy
Explanation: QoS policies shape bandwidth and prioritize traffic.
How does Cisco UCS support rapid server provisioning in a data center?
A) Through service profiles and templates that automate server identity, configuration, and firmware settings.
B) By manually configuring each server BIOS.
C) By using DHCP only.
D) By assigning static MAC addresses.
Answer: A) Through service profiles and templates that automate server identity, configuration, and firmware settings.
Explanation: Automation via profiles enables rapid and consistent provisioning.
Which component in Cisco ACI is responsible for fabric topology discovery and control plane management?
A) Leaf and spine switches under APIC control
B) APIC only
C) Endpoint Groups (EPGs)
D) VLAN pools
Answer: A) Leaf and spine switches under APIC control
Explanation: Leaf and spine switches form the fabric; APIC manages control and policies.
What type of traffic does Cisco UCS vHBAs handle?
A) Fibre Channel traffic for SAN connectivity.
B) Ethernet traffic for LAN connectivity.
C) Wireless traffic.
D) Internet traffic.
Answer: A) Fibre Channel traffic for SAN connectivity.
Explanation: vHBAs emulate Fibre Channel adapters for SAN access.
What is the primary Cisco UCS component used to manage servers, network, and storage in a unified manner?
A) Fabric Interconnect
B) APIC
C) Leaf Switch
D) Spine Switch
Answer: A) Fabric Interconnect
Explanation: Fabric interconnects provide unified management and connectivity.
How does Cisco Nexus OS handle forwarding decisions?
A) It uses hardware-based ASICs for high-speed packet forwarding.
B) It relies solely on software routing.
C) It forwards all packets to a centralized controller.
D) It uses STP for path selection.
Answer: A) It uses hardware-based ASICs for high-speed packet forwarding.
Explanation: ASICs ensure low latency and high throughput.
What feature in Cisco UCS ensures that a server’s MAC addresses and WWNs are consistent after replacement hardware?
A) Service Profile
B) VLAN Pool
C) Firmware Policy
D) Boot Policy
Answer: A) Service Profile
Explanation: Service profiles abstract server identity, making it portable.
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