4A0-M05 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
Which of the following statements regarding CMM scaling is TRUE?

A.DBS VMs can scale out in steps of a single V
B.NECC VMs can scale out in steps of a single V
C.CPPS VMs can scale out in steps of a single V
D.IPDS VMs can scale out in steps of a single V

正解:

Question No : 2
Which of the following lifecycle management operations is NOT supported by CMM?

A.Healing of all CMM VMs
B.Scale out of CPPS, PAPS, and IPPS VMs
C.Scale in of NECC and IPDS VMs
D.Instantiation of all CMM VMs

正解:

Question No : 3
Which of the following Nokia products is used to perform lifecycle management operations on CMM?

A.CloudBand infrastructure software (CBIS)
B.CloudBand application manager (CBAM)
C.CloudBand network director (CBND)
D.Network services platform (NSP)

正解:

Question No : 4
Which of the following best describes the function of CBAM in the Nokia CPC?

A.Provides the EMS function for element management of individual CPC components.
B.Provides the NFVO function to support the definition and management of end-to-end services.
C.Provides the VNFM function to manage the life cycle of VNFs including deployment and scaling.
D.Provides the VIM function to manage the compute and network resources required by VNFs.

正解:

Question No : 5
Which of the following provides the virtual hardware environment for the guest OS on a Linux system?

A.libvirt
B.QEMU
C.virsh
D.ESXi

正解:

Question No : 6
Which of the following OpenStack projects provides networking services to VMs?

A.Neutron
B.Nova
C.Keystone
D.Horizon

正解:

Question No : 7
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.

正解:

Question No : 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.

正解:

Question No : 9
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.

正解:

Question No : 10
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.

正解:

Question No : 11
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.

正解:

Question No : 12
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

正解:

Question No : 13
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

正解:

Question No : 14
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

正解:

Question No : 15
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)

正解:

Nokia 4A0-M05 問題練習