Question 1

Which of the following statements about the PIM messages for IPv6 multicast routing is false?

Accepted Answer

A)  Hello, Join/prune messages use All-PIM-Routers multicast address (FF02 
D)  as destination 
B)  Register message uses RP's global unicast IPv6 address as destination 
C)  Hello, Join/prune messages use outgoing interface's global unicast IPv6 address as source address 
D)  Register message uses outgoing interface's global unicast IPv6 address as source address 
A)  Hello, Join/prune messages use All-PIM-Routers multicast address (FF02 
D)  as destination 
B)  Register message uses RP's global unicast IPv6 address as destination 
C)  Hello, Join/prune messages use outgoing interface's global unicast IPv6 address as source address 
D)  Register message uses outgoing interface's global unicast IPv6 address as source address

Question 2

Four routers share a multi-access network. Router A is configured with a PIM DR priority of 10, Router B is configured with a PIM DR priority of 100, Router C and Router D are Alcatel-Lucent 7750 SRs set at the default value. Router D has the highest IP address. Which router is selected as the PIM DR on this multiaccess network?

Accepted Answer

A)  Router A 
B)  Router B 
C)  Router C 
D)  Router D 
A)  Router A 
B)  Router B 
C)  Router C 
D)  Router D

Question 3

Which of the following PIM messages are sent towards RP? (Choose two)

Accepted Answer

A)  (*, G) Join/Prune 
B)  (S.G) Join/Prune 
C)  Register Stop 
D)  (S, G, rpt) Join/Prune 
A)  (*, G) Join/Prune 
B)  (S.G) Join/Prune 
C)  Register Stop 
D)  (S, G, rpt) Join/Prune

Question 4

Is the RP mandatory in an ASM network?

Accepted Answer

A)  Yes 
B)  No 
C)  Depends on whether there is an elected BSR. With an elected BSR, RP is not mandatory. Without an elected BSR, RP is mandatory 
D)  In IPv4, RP is mandatory for ASM. In IPv6, it is not 
A)  Yes 
B)  No 
C)  Depends on whether there is an elected BSR. With an elected BSR, RP is not mandatory. Without an elected BSR, RP is mandatory 
D)  In IPv4, RP is mandatory for ASM. In IPv6, it is not

Question 5

What is the destination address for MLDv2 report?

Accepted Answer

A)  FF02::1 
B)  FF02::2 
C)  FF02::16 
D)  The specific multicast group address which the host is interested in 
A)  FF02::1 
B)  FF02::2 
C)  FF02::16 
D)  The specific multicast group address which the host is interested in

Question 6

What multicast component has no function at all in a PIM SSM network?

Accepted Answer

A)  The PIM routing protocol 
B)  SSM translation on access multicast router 
C)  The RP 
D)  IGMP snooping 
E)  IGMP Querier 
A)  The PIM routing protocol 
B)  SSM translation on access multicast router 
C)  The RP 
D)  IGMP snooping 
E)  IGMP Querier

Question 7

What is the Solicited-node multicast address for host 2001:1000:2000:3000::2001:2002:2003?

Accepted Answer

A)  FF02::FF02:2003 
B)  FF02::FE02:2003 
C)  FF02::FF:FE02:2003 
D)  FF02::1:FF02:2003 
A)  FF02::FF02:2003 
B)  FF02::FE02:2003 
C)  FF02::FF:FE02:2003 
D)  FF02::1:FF02:2003

Question 8

What is the trigger for PIM Assert?

Accepted Answer

A)  When a router receives an IGMP Query from another device 
B)  When a router receives a PIM Hello from another device 
C)  When a router receives a BSM from a router with a better priority 
D)  When a router receives a multicast data packet on an outgoing interface 
A)  When a router receives an IGMP Query from another device 
B)  When a router receives a PIM Hello from another device 
C)  When a router receives a BSM from a router with a better priority 
D)  When a router receives a multicast data packet on an outgoing interface

Question 9

Which statement best describes the impact of an RP failure in a PIM ASM network?

Accepted Answer

A)  All the existing multicast traffic will be stopped immediately as PIM ASM network must have an RP in order to transmit all the multicast traffic 
B)  The multicast traffic will be impacted, but not immediately. Multicast routers will not discover the RP failure until the timer expires and the multicast traffic flow will be stopped. 
C)  No impact at all as RP is not required in a PIM ASM network 
D)  The traffic will not be impacted if the multicast traffic flows have already been established and the traffic flow does not involve the RP in the path 
A)  All the existing multicast traffic will be stopped immediately as PIM ASM network must have an RP in order to transmit all the multicast traffic 
B)  The multicast traffic will be impacted, but not immediately. Multicast routers will not discover the RP failure until the timer expires and the multicast traffic flow will be stopped. 
C)  No impact at all as RP is not required in a PIM ASM network 
D)  The traffic will not be impacted if the multicast traffic flows have already been established and the traffic flow does not involve the RP in the path

Question 10

What issues have to be resolved to support the deployment of SSM? (Choose two)

Accepted Answer

A)  Allowing the source to select the multicast group address 
B)  Creating standards for Directory Services 
C)  Allowing the receiver to specify the source address 
D)  Modifying the IGMP messaging format to include the multicast source address 
E)  Modifying the PIM messaging format to include the multicast source address 
A)  Allowing the source to select the multicast group address 
B)  Creating standards for Directory Services 
C)  Allowing the receiver to specify the source address 
D)  Modifying the IGMP messaging format to include the multicast source address 
E)  Modifying the PIM messaging format to include the multicast source address

Question 11

Click the exhibit.   Based on the output, which of the following is correct?

Accepted Answer

A)  The S-PMSI group address is 239.1.1.10. 
B)  The I-PMSI group address is 239.1.1.10. 
C)  The S-PMSI group address is 239.1.1.20. 
D)  The I-PMSI group address is 239.1.1.20. 
A)  The S-PMSI group address is 239.1.1.10. 
B)  The I-PMSI group address is 239.1.1.10. 
C)  The S-PMSI group address is 239.1.1.20. 
D)  The I-PMSI group address is 239.1.1.20.

Question 12

Refer to the exhibit.   What will happen if host 2 issues an IGMP report to join a group?

Accepted Answer

A)  Both Router A and Router B will get this IGMP report and Router B will propagate a PIM join towards the core network 
B)  Both Router A and Router B will get this IGMP report and both of them will propagate a PIM join towards the core network 
C)  Only Router A will get this IGMP report and Router A will propagate a PIM join towards the core network 
D)  Only Router A will get this IGMP report and as Router A is not PIM DR. so no further action 
A)  Both Router A and Router B will get this IGMP report and Router B will propagate a PIM join towards the core network 
B)  Both Router A and Router B will get this IGMP report and both of them will propagate a PIM join towards the core network 
C)  Only Router A will get this IGMP report and Router A will propagate a PIM join towards the core network 
D)  Only Router A will get this IGMP report and as Router A is not PIM DR. so no further action

Question 13

What is the first action the last hop router performs on receipt of an IGMP version 2 leave message?

Accepted Answer

A)  It sends a PIM (*, G) prune to the RP. 
B)  It sends a PIM (S, G) prune to the source. 
C)  It sends a PIM (* G) prune to the RP, and a PIM (S, G) prune to the source, 
D)  It issues an IGMP Group Specific Query, 
E)  It issues an IGMP General Query. 
A)  It sends a PIM (*, G) prune to the RP. 
B)  It sends a PIM (S, G) prune to the source. 
C)  It sends a PIM (* G) prune to the RP, and a PIM (S, G) prune to the source, 
D)  It issues an IGMP Group Specific Query, 
E)  It issues an IGMP General Query.

Question 14

Which MAC address will the IPv4 multicast address 239.33.42.107 be translated to?

Accepted Answer

A)  01-00-5e-a1-2a-6b 
B)  01-00-5e-21-2a-6b 
C)  01-00-5e-21-2c-6c 
D)  00-01-5e-a1-2a-6b 
E)  00-01-5e-21-2a-6b
F) 00-01-5e-a1-2c-6b 
A)  01-00-5e-a1-2a-6b 
B)  01-00-5e-21-2a-6b 
C)  01-00-5e-21-2c-6c 
D)  00-01-5e-a1-2a-6b 
E)  00-01-5e-21-2a-6b
F) 00-01-5e-a1-2c-6b

Question 15

The default version of IGMP on the Alcatel-Lucent 7750 SR is:

Accepted Answer

A)  Configured manually 
B)  Version 1 
C)  Version 2 
D)  Version 3 
A)  Configured manually 
B)  Version 1 
C)  Version 2 
D)  Version 3

Question 16

Refer to the exhibit.   According to the PIM configuration on SR-3, can the receiver in the diagram receive multicast traffic from the source for group FF1E::1234? Assume all the other configurations are correct.

Accepted Answer

A)  Yes. The configuration of PIM is correct and the receiver should get traffic from the source 
B)  No. As the "rpf6-table" command is missing 
C)  No. As the rp configuration is missing. There should be at least one RP selection method from static, bsr or embedded-rp 
D)  No. As the "no IPv6-multicast-disable" command is missing 
E)  B, C and D 
A)  Yes. The configuration of PIM is correct and the receiver should get traffic from the source 
B)  No. As the "rpf6-table" command is missing 
C)  No. As the rp configuration is missing. There should be at least one RP selection method from static, bsr or embedded-rp 
D)  No. As the "no IPv6-multicast-disable" command is missing 
E)  B, C and D

Question 17

Why do RPs configured for anycast RP-set exchange Register messages?

Accepted Answer

A)  To inform each RP about all of the multicast sources in the domain 
B)  There is no need for this. This is purely an optional functionality as described in the anycast RP draft 
C)  To inform each RP about all of the multicast enabled receivers 
D)  To facilitate the anycast RP election process 
E)  None of the above 
A)  To inform each RP about all of the multicast sources in the domain 
B)  There is no need for this. This is purely an optional functionality as described in the anycast RP draft 
C)  To inform each RP about all of the multicast enabled receivers 
D)  To facilitate the anycast RP election process 
E)  None of the above

Question 18

Refer to the following configuration exhibit.   How many interfaces have receivers joining group 239.1.1.1?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  There is insufficient information to answer 
A)  1 
B)  2 
C)  3 
D)  There is insufficient information to answer

Question 19

An Alcatel-Lucent 7750 SR is unable to locate a multicast source address in the multicast forwarding table. However, the source address is available in the unicast forwarding table. Which statement best describes the default RPF check behavior of the 7750 SR?

Accepted Answer

A)  The RPF check will fail as PIM relies exclusively on the multicast forwarding table by default 
B)  The RPF check will not fail, as by default PIM uses the multicast forwarding table first for RPF check, if not found in the multicast forwarding table then refers to unicast forwarding table 
C)  The RPF check will not fail as PIM uses only the unicast forwarding table by default 
D)  The RPF check will fail as the RPF check requires that the source address be present in both the unicast and multicast forwarding table 
E)  Not enough information is provided to answer the question 
A)  The RPF check will fail as PIM relies exclusively on the multicast forwarding table by default 
B)  The RPF check will not fail, as by default PIM uses the multicast forwarding table first for RPF check, if not found in the multicast forwarding table then refers to unicast forwarding table 
C)  The RPF check will not fail as PIM uses only the unicast forwarding table by default 
D)  The RPF check will fail as the RPF check requires that the source address be present in both the unicast and multicast forwarding table 
E)  Not enough information is provided to answer the question

Question 20

Which of the following about Draft Rosen MVPN is TRUE?

Accepted Answer

A)  In Draft Rosen MVPN, each CE maintains a PIM adjacency to its remote CE routers. 
B)  In Draft Rosen MVPN, customer multicast group addresses in different VRFs cannot overlap. 
C)  Draft Rosen MVPN encapsulates customer multicast traffic in GRE tunnels. 
D)  In Draft Rosen MVPN, PE routers exchange customer multicast routing information by MP-BGP. 
A)  In Draft Rosen MVPN, each CE maintains a PIM adjacency to its remote CE routers. 
B)  In Draft Rosen MVPN, customer multicast group addresses in different VRFs cannot overlap. 
C)  Draft Rosen MVPN encapsulates customer multicast traffic in GRE tunnels. 
D)  In Draft Rosen MVPN, PE routers exchange customer multicast routing information by MP-BGP.

Which of the following statements about the PIM messages for IPv6 multicast routing is false?

Which of the following PIM messages are sent towards RP? (Choose two)

Is the RP mandatory in an ASM network?

What is the destination address for MLDv2 report?

What multicast component has no function at all in a PIM SSM network?

What is the Solicited-node multicast address for host 2001:1000:2000:3000::2001:2002:2003?

What is the trigger for PIM Assert?

Which statement best describes the impact of an RP failure in a PIM ASM network?

What issues have to be resolved to support the deployment of SSM? (Choose two)

Click the exhibit. Based on the output, which of the following is correct?

Refer to the exhibit. What will happen if host 2 issues an IGMP report to join a group?

What is the first action the last hop router performs on receipt of an IGMP version 2 leave message?

Which MAC address will the IPv4 multicast address 239.33.42.107 be translated to?

The default version of IGMP on the Alcatel-Lucent 7750 SR is:

Refer to the exhibit. According to the PIM configuration on SR-3, can the receiver in the diagram receive multicast traffic from the source for group FF1E::1234? Assume all the other configurations are correct.

Why do RPs configured for anycast RP-set exchange Register messages?

Refer to the following configuration exhibit. How many interfaces have receivers joining group 239.1.1.1?

An Alcatel-Lucent 7750 SR is unable to locate a multicast source address in the multicast forwarding table. However, the source address is available in the unicast forwarding table. Which statement best describes the default RPF check behavior of the 7750 SR?

Which of the following about Draft Rosen MVPN is TRUE?

Nokia Scalable IP Networks

Nokia Multiprotocol Label Switching

Nokia Services Architecture

Nokia Virtual Private LAN Services

Nokia Virtual Private Routed Networks

Nokia Quality of Service

Nokia Multicast Protocols

Filters

Exam 2: Nokia Border Gateway Protocol

Which of the following statements about the PIM messages for IPv6 multicast routing is false?

Which of the following PIM messages are sent towards RP? (Choose two)

Is the RP mandatory in an ASM network?

What is the destination address for MLDv2 report?

What multicast component has no function at all in a PIM SSM network?

What is the Solicited-node multicast address for host 2001:1000:2000:3000::2001:2002:2003?

What is the trigger for PIM Assert?

Which statement best describes the impact of an RP failure in a PIM ASM network?

What issues have to be resolved to support the deployment of SSM? (Choose two)

Click the exhibit. Based on the output, which of the following is correct?

Refer to the exhibit. What will happen if host 2 issues an IGMP report to join a group?

What is the first action the last hop router performs on receipt of an IGMP version 2 leave message?

Which MAC address will the IPv4 multicast address 239.33.42.107 be translated to?

The default version of IGMP on the Alcatel-Lucent 7750 SR is:

Refer to the exhibit. According to the PIM configuration on SR-3, can the receiver in the diagram receive multicast traffic from the source for group FF1E::1234? Assume all the other configurations are correct.

Why do RPs configured for anycast RP-set exchange Register messages?

Refer to the following configuration exhibit. How many interfaces have receivers joining group 239.1.1.1?

An Alcatel-Lucent 7750 SR is unable to locate a multicast source address in the multicast forwarding table. However, the source address is available in the unicast forwarding table. Which statement best describes the default RPF check behavior of the 7750 SR?

Which of the following about Draft Rosen MVPN is TRUE?

Nokia Scalable IP Networks

Nokia Multiprotocol Label Switching

Nokia Services Architecture

Nokia Virtual Private LAN Services

Nokia Virtual Private Routed Networks

Nokia Quality of Service

Nokia Multicast Protocols

Filters