Nokia 4A0-108 Online Practice Questions and Exam Preparation

Nokia 4A0-108 Online Questions & Answers

• Question 21:

  How often does a host issue IGMP Host Membership Reports for group 224.0.0.1?

  A. Never
  B. Every 30 seconds
  C. Every 60 seconds
  D. Every 120 seconds
  E. Every 260 seconds
  F. Whenever it receives a query
  A. Never

• Question 22:

  Which of the following regarding the IPv4 multicast address format is TRUE?

  A. The first 3 bits of the address are set to '110'.
  B. A multicast address has a value between 223.0.0.0 and 239.255.255.255.
  C. A multicast address includes a subnet mask to indicate the network and host portion of the address.
  D. The first 4 bits of the address are set to '1110'.
  D. The first 4 bits of the address are set to '1110'.

• Question 23:

  What is the DATA_DELAY_INTERVAL?

  A. It is the delay before the source PE switches traffic from the I-PMSI to the S-PMSI.
  B. It is the delay before the source PE sends MDT Join TLVs.
  C. It is the delay before the source PE switches traffic from the S-PMSI to the I-PMSI when traffic rate drops below the threshold.
  D. It is the delay before the receiver PE prunes the S-PMSI.
  A. It is the delay before the source PE switches traffic from the I-PMSI to the S-PMSI.

• Question 24:

  Refer to the following exhibit.

  

  PIM is using the unicast table for RPF-check and the interface IGP metrics are shown. What will happen when Router B receives the multicast packet on its interface facing Router A?

  A. Discard the multicast packet as RPF-check fails
  B. Forward the multicast packet to Router D (RP) according to its routing table
  C. Forward the multicast packet out of all the interfaces in its (*,239.1.1.1) entry's outgoing interface list
  D. Forward the multicast packet out of all the interfaces in its (192.168.1.1,239.1.1.1) entry's outgoing interface list
  A. Discard the multicast packet as RPF-check fails

• Question 25:

  Which MAC address will the IPv4 multicast address 233.103.42.11 be translated to?

  A. 01-00-5e-66-3a-6b
  B. 01-00-5e-75-2a-0b
  C. 01-00-5e-67-2a-0b
  D. 00-01-5e-a1-2a-6b
  E. 00-01-5e-67-2a-0b
  F. 00-01-5e-76-2b-cc
  C. 01-00-5e-67-2a-0b

• Question 26:

  Which of the following is true regarding the IPv4 multicast address format?

  A. The first 3 bits of the address set to '110'
  B. A value between 223.0.0.0 and 239.255.255.255
  C. The first 4 bits of the address set to '1111'
  D. A subnet mask to indicate the network and host portion of the address
  E. The first 4 bits of the address set to '1110'
  E. The first 4 bits of the address set to '1110'

• Question 27:

  Click the exhibit.

  

  If the configuration shown is applied to all PE routers, and all other configuration is complete, how many neighbors are displayed in the output of the command "PE1= show router 100 pirn neighbor"?

  A. There is one PIM neighbor.
  B. There are two PIM neighbors.
  C. There are three PIM neighbors.
  D. There is no PIM neighbor in router 100. All the PIM neighbors are in the base router.
  B. There are two PIM neighbors.

• Question 28:

  When a BSR message with a higher priority is seen, will a new BSR election occur?

  A. No, the new election only occurs when the elected BSR fails
  B. Yes, after a bootstrap message wait interval
  C. Yes, immediately
  D. Depends on the local configuration of whether to allow the new election or not
  C. Yes, immediately

• Question 29:

  Which of the following is a reason why using unicast flows to send data to multiple receivers is not a scalable solution?

  A. The resources required by the sending device increases with each new receiver that is added
  B. Unicast is based on TCP which is not scalable
  C. Servers cannot deliver multiple simultaneous unicast flows
  D. Routers do not forward broadcast traffic
  A. The resources required by the sending device increases with each new receiver that is added

• Question 30:

  What is the position of the router shown in the exhibit?

  

  A. The RP
  B. The first hop router from the source
  C. The router where the Source and Shared Path Trees diverge
  D. An upstream router from the diverging router on the Shared Path Tree
  C. The router where the Source and Shared Path Trees diverge