4A0-M05 Online Practice Questions and Answers

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)

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.

Which of the following statements regarding the CMM virtual network function (VNF) architecture is FALSE?

A. The CMM VNF consists of multiple virtual machines that run on top of a cloud infrastructure.

B. The load balancer layer terminates external logical interfaces.

C. The transaction layer processes 3G user plane.

D. The CMM VNF follows a multi-tier architecture where each tier can scale independently.

Which of the following is NOT a function of the CMM Network Element Cluster Controller (NECC)?

A. Provides a centralized operation and management unit

B. Provides statistics and log information

C. Terminates 2G logical interfaces

D. Enables monitoring and troubleshooting functionality

Which of the following lifecycle management operations is NOT supported by the CMG?

A. Scaling of OAM-VM

B. Scaling of MG-VM in LB mode

C. Scaling of LB-VM in LB mode

D. Healing of OAM-VM, MG-VM and LB-VM

Which of the following logical interfaces is used between the CMG and the PDN?

A. Gn

B. SGi

C. S5

D. S1-U

Which of the following statements regarding the health check for a specific CMM VM is FALSE?

A. It is performed by CMM periodically

B. It can be manually executed using a CLI command "cmm_monitor"

C. It can be executed by ssh to each individual CMM VM from the NECC VM

D. If a failure occurs, additional details can be displayed using the verbos (-v) or very verbos (-vv) flag

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

A. There are N active VMs 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 the active VM fails.

D. There are N active VMs to support the service with additional active VMs to provide extra capacity if one or more VMs fail.

Which of the following is NOT a component of the CMM virtual network function?

A. Load Balancer (LB)

B. Packet Processing Service (PAPS)

C. Network Element Cluster Controller (NECC)

D. Database Service (DBS)

Which of the following statements about 4G-5G RAN-level interworking solution is FALSE?

A. It requires a direct interface between the two radio nodes serving the UE.

B. One serving radio node acts as master node and the other as secondary node.

C. Only one serving radio node can receive data plane traffic from the core network.

D. One of the radio nodes serving the UE is the anchor point for control plane.