Download Nokia Cloud Packet Core.4A0-M05.TestKing.2019-08-03.18q.vcex

Vendor: Nokia
Exam Code: 4A0-M05
Exam Name: Nokia Cloud Packet Core
Date: Aug 03, 2019
File Size: 12 KB
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Question 1
Which of the following best describes the reason for CPU pinning?
  1. To ensure that a VM is assigned to high performance CPU cores.
  2. To ensure that a VM’s CPU cores area all allocated on the same NUMA node.
  3. To ensure that a VM is assigned to a compute node with adequate resources.
  4. To ensure that a VM is assigned a sufficient number of CPU cores.
Correct answer: A
Question 2
Which of the following describes the benefit of using huge pages? 
  1. Huge pages improves the performance of mapping virtual memory addresses to physical memory addresses.
  2. Huge pages improves the performance of decreasing the number of memory accesses involved in a page table walk.
  3. Huge pages improves the performance of swapping by increasing the number of TLB cache hits.
  4. Huge pages improves the performance of swapping by optimizing the loading of pages to main memory.
Correct answer: C
Explanation:
Question 3
Which of the following describes the 2N model for VM redundancy?
  1. There is one active VM and one standby VM that takes over if the active VM fails.
  2. Thera are N active VMs and a pool of standby VMs that can take over if one or more active VMs fail.
  3. There are N active VMs, each one paired with a standby VM that takes over if its active VM fails.
  4. 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.
Correct answer: C
Question 4
Which of the following statements about interface redundancy with OVS is FALSE?
  1. OVS provides redundancy through a Linux bonded interface on the hypervisor.
  2. Guest VMs have two virtual NICs connected to OVS through a Linux bridge.
  3. Ethernet frames are sent between the redundant interfaces to verify connectivity.
  4. OVS connects to two physical ports connected to distinct leaf switches.
Correct answer: C
Question 5
Which of the following OpenStack projects provides networking services to VMs?
  1. Neutron
  2. Nova
  3. Keystone
  4. Horizon 
Correct answer: A
Question 6
Which of the following provides the virtual hardware environment for the guest OS on a Linux system?
  1. libvirt
  2. QEMU
  3. virsh
  4. ESXi
Correct answer: B
Question 7
Which of the following networks is NOT required by CMM?
  1. An OAM network for CMM management
  2. An internal network for inter-VM communication
  3. A data switch fabric for carrying 3G data plane traffic between IPDS and IPPS.
  4. An external network for communication with external entities.
Correct answer: D
Question 8
Which of the following statements regarding CMM internal IP management (IIPM) is FALSE? 
  1. IIPM manages reachability between CMM VNF components.
  2. IIPM monitors connectivity over two vNIC ports when two internal networks are used.
  3. With IIPM, broadcast messages are sent periodically between VMs.
  4. IIPM uses BFD to provide a fast switchover in case of an internal reachability failure.
Correct answer: C
Question 9
Which of the following statements regarding the CMM virtual network function (VNF) architecture is FALSE?
  1. The CMM VNF consists of multiple virtual machines that run on top of a cloud infrastructure. 
  2. The load balancer layer terminates external logical interfaces.
  3. The transaction layer processes 3G user plane.
  4. The CMM VNF follows a multi-tier architecture where each tier can scale independently.
Correct answer: A
Question 10
Which of the following statements regarding CMM log management is FALSE?
  1. VMs push logs to the Kafka pipeline. 
  2. The event consumer in NECC retrieves the logs from Kafka.
  3. Various log files generated automatically in CMM.
  4. A log query can be created to retrieve logs from the database based on a time range.
Correct answer: B
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