Nokia 4a0-m05 online test

Nokia Cloud Packet Core Exam

What students need to know about the 4a0-m05 exam

  • Total 56 Questions & Answers

Question 1

Which of the following management tools performs the function of virtual infrastructure manager
(VIM) in the CPC NFV architecture?

  • A. NetAct
  • B. CloudBand Infrastructure Software (CBIS)
  • C. Operations Support System (OSS)
  • D. Network Service Platform (NSP)
Answer:

B

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Question 2

Which of the following statements about the network service platform (NSP) is FALSE?

  • A. Acts as an element management system (EMS) for CPC components
  • B. Performs fault, performance, and security management
  • C. Has a northbound interface with the NFV orchestrator (NFVO)
  • D. Allows monitoring events associated with the NFV environment
Answer:

C

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Question 3

Which of the following network elements is implemented by the Nokia CPC?

  • A. Policy and charging rules function (PCRF)
  • B. Equipment Identity Registration (EIR)
  • C. Application Function (AF)
  • D. eNodeB
Answer:

A

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Question 4

What is the main benefit of splitting the core network into separate user-plane and control-plane
nodes?

  • A. Independent configuration of user-plane and control-plane nodes
  • B. Independent scaling of user-plane and control-plane nodes
  • C. User of a shared data repository for storing user states.
  • D. Creation of networks with isolated properties over a common infrastructure
Answer:

B

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Question 5

Which of the following statements about SR-IOV is FALSE?

  • A. VMs using OVS and SR-IOV can be instantiated on the same compute node.
  • B. SR-IOV offers comparable performance to non-visualized hardware.
  • C. The VM must be attached to the PF to achieve highest performance.
  • D. Using SR-IOV restricts VM mobility.
Answer:

D

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Question 6

Which of the following best describes the reason for CPU pinning?

  • A. To ensure that a VM is assigned to high performance CPU cores.
  • B. To ensure that a VM’s CPU cores area all allocated on the same NUMA node.
  • C. To ensure that a VM is assigned to a compute node with adequate resources.
  • D. To ensure that a VM is assigned a sufficient number of CPU cores.
Answer:

A

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Question 7

Which of the following describes the benefit of using huge pages?

  • A. Huge pages improves the performance of mapping virtual memory addresses to physical memory addresses.
  • B. Huge pages improves the performance of decreasing the number of memory accesses involved in a page table walk.
  • C. Huge pages improves the performance of page swapping by increasing the number of TLB cache hits.
  • D. Huge pages improves the performance of page swapping by optimizing the loading of pages to main memory.
Answer:

C

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Question 8

Which of the following describes the 2N model for VM redundancy?

  • A. There is one active VM and one standby VM that takes over if the active VM fails.
  • B. Thera are N active VMs and a pool of standby VMs that can take over if one or more active VMs fail.
  • C. There are N active VMs, each one paired with a standby VM that takes over if its active VM fails.
  • D. There are 2N active VMs deployed to support a service that needs N active VMs, with extra capacity in case one or more VMs fail.
Answer:

C

Discussions

Question 9

Which of the following statements about interface redundancy with OVS is FALSE?

  • A. OVS provides redundancy through a Linux bonded interface on the hypervisor.
  • B. Guest VMs have two virtual NICs connected to OVS through a Linux bridge.
  • C. Ethernet frames are sent between the redundant interfaces to verify connectivity.
  • D. OVS connects to two physical ports connected to distinct leaf switches.
Answer:

C

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Question 10

Which of the following OpenStack projects provides networking services to VMs?

  • A. Neutron
  • B. Nova
  • C. Keystone
  • D. Horizon
Answer:

A

Discussions
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