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)

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

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 CMM scaling is TRUE?

A. DBS VMs can scale out in steps of a single VM.

B. NECC VMs can scale out in steps of a single VM.

C. CPPS VMs can scale out in steps of a single VM.

D. IPDS VMs can scale out in steps of a single VM.

Which of the following statements regarding CMM internal IP management (IIPM) is FALSE?

A. IIPM manages reachability between CMM VNF components.

B. IIPM monitors connectivity over two vNIC ports when two internal networks are used.

C. With IIPM, broadcast messages are sent periodically between VMs.

D. IIPM uses BFD to provide a fast switchover in case of an internal reachability failure.

Which of the following statements about the data switch fabric (DSF) network in CMG is TRUE?

A. It is a VNF external Layer 3 network

B. It must be VirtIO based

C. It carries signaling messages between MG-VMs and LB-VMs in LB mode

D. It carries data plane traffic between MG-VMs and LB-VMs in LB-less mode

Which of the following about CMG configuration management is FALSE?

A. CMG can be configured using CLI commands

B. CMG can be configured using SNMP interfaces

C. CloudBand Infrastructure Software (CBIS) is used for CMG out-of-band management

D. CMG OAM-VM provides system configuration, system assurance, and alarm management

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 is a function of an SPS Diameter IOH VM?

A. Provides logs and alarms to management

B. Terminates signaling connections to the network

C. Terminates HTTP and LDAP connections

D. Manages configuration of other VMs in the VNF

Which of the following is NOT a capability of Open vSwitch?

A. VLAN, VXLAN and GRE encapsulation

B. Layer 3 forwarding

C. Quality of Service

D. Direct pass-through from VM to the NIC

Which of the following statements about L2 interface redundancy with SR-IOV is FALSE?

A. SR-IOV provides redundancy through a Linux bonded interface on the hypervisor.

B. Guest VMs have two virtual NICs connected to VFs on different physical SR-IOV ports.

C. Ethernet frames are sent between the two interfaces to verify connectivity.

D. The interface bonding must be active/standby.

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 statements regarding CMM deployment is FALSE?

A. Hyperthreading and CPU pinning are enabled.

B. An anti-affinity rule is used to ensure NECC VMs are deployed on different servers.

C. Two availability zones are required for a successful CMM deployment.

D. SR-IOV and DPDK are used to accelerate packet processing.

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 Nokia products is responsible for the configuration, fault, and performance management of CMM?

A. Network services platform (NSP)

B. CloudBand application manager (CBAM)

C. CloudBand network director (CBND)

D. NetAct