Question 1

Which of the following about the signaling of multicast group information in an MVPN service is TRUE when MPLS P2MP tunnels are used?

Accepted Answer

A)  BGP Auto-Discovery is used for the signaling of the PMSIs, while either mLDP or RSVP-TE P2MP is used for the signaling of customer multicast group membership. 
B)  Either BGP Auto-Discovery or PIM is used for the signaling of the PMSIs, while either mLDP or RSVP-TE P2MP is used for the signaling of customer multicast group membership. 
C)  BGP Auto-Discovery is used for the signaling of the PMSIs, as well as for the signaling of customer multicast group membership. 
D)  BGP Auto-Discovery is used for the signaling of the PMSIs, while either BGP Auto-Discovery or PIM is used for the signaling of customer multicast group membership. 
A)  BGP Auto-Discovery is used for the signaling of the PMSIs, while either mLDP or RSVP-TE P2MP is used for the signaling of customer multicast group membership. 
B)  Either BGP Auto-Discovery or PIM is used for the signaling of the PMSIs, while either mLDP or RSVP-TE P2MP is used for the signaling of customer multicast group membership. 
C)  BGP Auto-Discovery is used for the signaling of the PMSIs, as well as for the signaling of customer multicast group membership. 
D)  BGP Auto-Discovery is used for the signaling of the PMSIs, while either BGP Auto-Discovery or PIM is used for the signaling of customer multicast group membership.

Question 2

What does the term 'incongruent unicast and multicast routing' refer to? (Choose the best answer)

Accepted Answer

A)  This is another term for asymmetric routing 
B)  This refers to having different routing policies or routing topologies for unicast and multicast networks 
C)  This refers to the case when the base routing table imports routes from two different protocols 
D)  This refers to the case when unicast and multicast routing tables contain the same route entries 
A)  This is another term for asymmetric routing 
B)  This refers to having different routing policies or routing topologies for unicast and multicast networks 
C)  This refers to the case when the base routing table imports routes from two different protocols 
D)  This refers to the case when unicast and multicast routing tables contain the same route entries

Question 3

Which MAC address does the IPv4 multicast address 239.33.42.107 translate to?

Accepted Answer

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

Question 4

Refer to the following exhibit.   Assume all links have an equal metric in the IGP. Receiver 2 and Receiver 3 have joined the multicast group and the source is not sending. Where will the Shared Path Tree have been created? (Choose two)

Accepted Answer

A)  Router G-E-C 
B)  Router F-D-E-G 
C)  Router F-D-E-C 
D)  Router C-A 
E)  Router F-D-B-A
F) Router G-E-C- A
G) No Shared Path Tree will have been created 
A)  Router G-E-C 
B)  Router F-D-E-G 
C)  Router F-D-E-C 
D)  Router C-A 
E)  Router F-D-B-A
F) Router G-E-C- A
G) No Shared Path Tree will have been created

Question 5

Click the exhibit.   Which of the following BEST describes the multicast LAN?

Accepted Answer

A)  There are no active sources in the LAN. 
B)  There is one active source for 239.1.1.1, and two active sources for 239.2.2.2. 
C)  The devices on SAP 1/1/4 and SDP 1000:500 have issued joins for 239.1.1.1. 
D)  There is a router on SDP 1000:500. 
A)  There are no active sources in the LAN. 
B)  There is one active source for 239.1.1.1, and two active sources for 239.2.2.2. 
C)  The devices on SAP 1/1/4 and SDP 1000:500 have issued joins for 239.1.1.1. 
D)  There is a router on SDP 1000:500.

Question 6

An end station receiving a broadcast packet processes the data up to at least which layer of the OSI stack?

Accepted Answer

A)  Layer 1 
B)  Layer 2 
C)  Layer 3 
D)  Layer 4 
E)  Layer 7 
A)  Layer 1 
B)  Layer 2 
C)  Layer 3 
D)  Layer 4 
E)  Layer 7

Question 7

Click the exhibit.   Based on the configuration, channels 239.1.1.1, 239.1.1.2, 239.1.1.3 and 239.1.1.5 have already been established. What happens when this router receives an IGMP report to join group 239.1.1.6?

Accepted Answer

A)  The router tears down channel 239.1.1.3 first, and then establishes a new channel for 239.1.1.6. 
B)  The router tears down either channel 239.1.1.1 or 239.1.1.2 first, and then establishes a new channel for 239.1.1.6. 
C)  No existing channel is torn down, and the new channel for 239.1.1.6 is established as there are enough resources. 
D)  The new channel 239.1.1.6 cannot be established, and a log is generated. 
A)  The router tears down channel 239.1.1.3 first, and then establishes a new channel for 239.1.1.6. 
B)  The router tears down either channel 239.1.1.1 or 239.1.1.2 first, and then establishes a new channel for 239.1.1.6. 
C)  No existing channel is torn down, and the new channel for 239.1.1.6 is established as there are enough resources. 
D)  The new channel 239.1.1.6 cannot be established, and a log is generated.

Question 8

With IGMP snooping enabled, how does a LAN switch identify ports with routers attached?

Accepted Answer

A)  The same way as it identifies receivers 
B)  From the IGMP Host Membership Reports received 
C)  From the default gateway address of unicast frames 
D)  From the IGMP Queries received 
E)  The switch issues a message on all ports to which only routers respond 
A)  The same way as it identifies receivers 
B)  From the IGMP Host Membership Reports received 
C)  From the default gateway address of unicast frames 
D)  From the IGMP Queries received 
E)  The switch issues a message on all ports to which only routers respond

Question 9

Which two of the following addresses should not be used in a multicast network at the same time?

Accepted Answer

A)  239.99.12.35 
B)  237.87.12.35 
C)  231.57.12.35 
D)  229.227 12.35 
E)  228.139.12.35 
A)  239.99.12.35 
B)  237.87.12.35 
C)  231.57.12.35 
D)  229.227 12.35 
E)  228.139.12.35

Question 10

Which of the following commands will verify the PIM DR on an interface on the Alcatel-Lucent 7750 SR?

Accepted Answer

A)  Show router pim status 
B)  Show router pim neighbor 
C)  Show router pim interface 
D)  Show router pim statistics 
A)  Show router pim status 
B)  Show router pim neighbor 
C)  Show router pim interface 
D)  Show router pim statistics

Question 11

Click the exhibit.   Assume the I-PMSI group address is G. How many PIM (S,G) entries are on the P (RP) router?

Accepted Answer

A)  Only one, and S is PE1. 
B)  Only one, and S is the MC source server's IP address. 
C)  None, as RPonly maintains (*,G) state. 
D)  Three, and S is PE1, PE2 and PE3 respectively. 
A)  Only one, and S is PE1. 
B)  Only one, and S is the MC source server's IP address. 
C)  None, as RPonly maintains (*,G) state. 
D)  Three, and S is PE1, PE2 and PE3 respectively.

Question 12

If the access network supports IGMP version 2 only, what additional configuration is required to enable the SSM model?

Accepted Answer

A)  IGMP snooping 
B)  IGMP compatibility mode support 
C)  IGMP version 2 to IGMP version 3 translations 
D)  IGMP (*, G) Join to PIM (S. G) Join translation 
E)  PIM ASM to PIM SSM translations 
A)  IGMP snooping 
B)  IGMP compatibility mode support 
C)  IGMP version 2 to IGMP version 3 translations 
D)  IGMP (*, G) Join to PIM (S. G) Join translation 
E)  PIM ASM to PIM SSM translations

Question 13

Where is the best placement of the Rendezvous Point in a PIM SSM network?

Accepted Answer

A)  As close as possible to the multicast source 
B)  The Rendezvous Point is not required in a PIM SSM network 
C)  In the redundant core 
D)  As close as possible to the receiver 
E)  The Rendezvous Point can be positioned at any router without impact 
A)  As close as possible to the multicast source 
B)  The Rendezvous Point is not required in a PIM SSM network 
C)  In the redundant core 
D)  As close as possible to the receiver 
E)  The Rendezvous Point can be positioned at any router without impact

Question 14

Which MAC address does the IPv4 multicast address 239.231.42.11 translate to?

Accepted Answer

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-al-2a-6b 
E)  00-01-5e-67-2a-0b
F) 00-01-5e-76-2b-cc 
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-al-2a-6b 
E)  00-01-5e-67-2a-0b
F) 00-01-5e-76-2b-cc

Question 15

Which protocol is used to establish the S-PMSI in Draft Rosen?

Accepted Answer

A)  PIM DM 
B)  PIM SSM 
C)  PIM ASM 
D)  Either PIM SSM or PIM ASM 
A)  PIM DM 
B)  PIM SSM 
C)  PIM ASM 
D)  Either PIM SSM or PIM ASM

Question 16

Which features were introduced in IGMP version 3? (Choose two)

Accepted Answer

A)  Leave group message 
B)  Report suppression was eliminated 
C)  IGMP snooping 
D)  TTL of 1 for IGMP messages 
E)  A modified membership report to include Source address 
A)  Leave group message 
B)  Report suppression was eliminated 
C)  IGMP snooping 
D)  TTL of 1 for IGMP messages 
E)  A modified membership report to include Source address

Question 17

In Draft Rosen, how does the PE process a PIM Join message received from its CE?

Accepted Answer

A)  The PE maps the customer group address to a group address in the configured range and sends a PIM Join for that group to the RP in the provider core. 
B)  The PE propagates the PIM Join message to the RP in the provider core. 
C)  The PE encapsulates the PIM Join message in GRE and sends it to other PEs via I-PMSI. 
D)  The PE encapsulates the PIM Join message in GRE and sends it to other PEs via S-PMSI. 
A)  The PE maps the customer group address to a group address in the configured range and sends a PIM Join for that group to the RP in the provider core. 
B)  The PE propagates the PIM Join message to the RP in the provider core. 
C)  The PE encapsulates the PIM Join message in GRE and sends it to other PEs via I-PMSI. 
D)  The PE encapsulates the PIM Join message in GRE and sends it to other PEs via S-PMSI.

Question 18

When a router receives a multicast packet, which action will it perform first?

Accepted Answer

A)  The router will determine if it is the DR for that segment 
B)  The PIM source group database will be checked for the matching group 
C)  A PIM Assert message will be sent to the RP 
D)  An RPF check will be performed on the packet 
E)  An IGMP join will be sent to the source 
A)  The router will determine if it is the DR for that segment 
B)  The PIM source group database will be checked for the matching group 
C)  A PIM Assert message will be sent to the RP 
D)  An RPF check will be performed on the packet 
E)  An IGMP join will be sent to the source

Question 19

Click the exhibit.   The configuration is applied to the ingress PE, but receivers at the remote PE site do not receive multicast traffic. Which of the following is a possible cause?

Accepted Answer

A)  The selective tunnel signaling must be pim-asm. 
B)  The data-threshold group range must match the s-pmsi group range. 
C)  The selective tunnel configuration must be applied to the egress PEs as well. 
D)  The MVPN configuration is correct, so there may be a problem with PIM in the core. 
A)  The selective tunnel signaling must be pim-asm. 
B)  The data-threshold group range must match the s-pmsi group range. 
C)  The selective tunnel configuration must be applied to the egress PEs as well. 
D)  The MVPN configuration is correct, so there may be a problem with PIM in the core.

Question 20

Click the exhibit.   Based on the configuration, channels 239.1.1.1, 239.1.1.2, 239.1.1.3 and 239.1.1.5 have already been established. What happens when this router receives two IGMP reports to join group 239.1.1.4 and 239.1.1.8?

Accepted Answer

A)  Channel 239.1.1.4 can be established, while 239.1.1.8 cannot. 
B)  Channel 239.1.1.8 can be established, while 239.1.1.4 cannot. 
C)  Both of these channels can be established. 
D)  Neither of these channels can be established. 
A)  Channel 239.1.1.4 can be established, while 239.1.1.8 cannot. 
B)  Channel 239.1.1.8 can be established, while 239.1.1.4 cannot. 
C)  Both of these channels can be established. 
D)  Neither of these channels can be established.

Which of the following about the signaling of multicast group information in an MVPN service is TRUE when MPLS P2MP tunnels are used?

What does the term 'incongruent unicast and multicast routing' refer to? (Choose the best answer)

Which MAC address does the IPv4 multicast address 239.33.42.107 translate to?

Refer to the following exhibit. Assume all links have an equal metric in the IGP. Receiver 2 and Receiver 3 have joined the multicast group and the source is not sending. Where will the Shared Path Tree have been created? (Choose two)

Click the exhibit. Which of the following BEST describes the multicast LAN?

An end station receiving a broadcast packet processes the data up to at least which layer of the OSI stack?

Click the exhibit. Based on the configuration, channels 239.1.1.1, 239.1.1.2, 239.1.1.3 and 239.1.1.5 have already been established. What happens when this router receives an IGMP report to join group 239.1.1.6?

With IGMP snooping enabled, how does a LAN switch identify ports with routers attached?

Which two of the following addresses should not be used in a multicast network at the same time?

Which of the following commands will verify the PIM DR on an interface on the Alcatel-Lucent 7750 SR?

Click the exhibit. Assume the I-PMSI group address is G. How many PIM (S,G) entries are on the P (RP) router?

If the access network supports IGMP version 2 only, what additional configuration is required to enable the SSM model?

Where is the best placement of the Rendezvous Point in a PIM SSM network?

Which MAC address does the IPv4 multicast address 239.231.42.11 translate to?

Which protocol is used to establish the S-PMSI in Draft Rosen?

Which features were introduced in IGMP version 3? (Choose two)

In Draft Rosen, how does the PE process a PIM Join message received from its CE?

When a router receives a multicast packet, which action will it perform first?

Click the exhibit. The configuration is applied to the ingress PE, but receivers at the remote PE site do not receive multicast traffic. Which of the following is a possible cause?

Click the exhibit. Based on the configuration, channels 239.1.1.1, 239.1.1.2, 239.1.1.3 and 239.1.1.5 have already been established. What happens when this router receives two IGMP reports to join group 239.1.1.4 and 239.1.1.8?

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Nokia Services Architecture

Nokia Virtual Private LAN Services

Nokia Virtual Private Routed Networks

Nokia Quality of Service

Nokia Multicast Protocols

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Exam 2: Nokia Border Gateway Protocol

Which of the following about the signaling of multicast group information in an MVPN service is TRUE when MPLS P2MP tunnels are used?

What does the term 'incongruent unicast and multicast routing' refer to? (Choose the best answer)

Which MAC address does the IPv4 multicast address 239.33.42.107 translate to?

Refer to the following exhibit. Assume all links have an equal metric in the IGP. Receiver 2 and Receiver 3 have joined the multicast group and the source is not sending. Where will the Shared Path Tree have been created? (Choose two)

Click the exhibit. Which of the following BEST describes the multicast LAN?

An end station receiving a broadcast packet processes the data up to at least which layer of the OSI stack?

Click the exhibit. Based on the configuration, channels 239.1.1.1, 239.1.1.2, 239.1.1.3 and 239.1.1.5 have already been established. What happens when this router receives an IGMP report to join group 239.1.1.6?

With IGMP snooping enabled, how does a LAN switch identify ports with routers attached?

Which two of the following addresses should not be used in a multicast network at the same time?

Which of the following commands will verify the PIM DR on an interface on the Alcatel-Lucent 7750 SR?

Click the exhibit. Assume the I-PMSI group address is G. How many PIM (S,G) entries are on the P (RP) router?

If the access network supports IGMP version 2 only, what additional configuration is required to enable the SSM model?

Where is the best placement of the Rendezvous Point in a PIM SSM network?

Which MAC address does the IPv4 multicast address 239.231.42.11 translate to?

Which protocol is used to establish the S-PMSI in Draft Rosen?

Which features were introduced in IGMP version 3? (Choose two)

In Draft Rosen, how does the PE process a PIM Join message received from its CE?

When a router receives a multicast packet, which action will it perform first?

Click the exhibit. The configuration is applied to the ingress PE, but receivers at the remote PE site do not receive multicast traffic. Which of the following is a possible cause?

Click the exhibit. Based on the configuration, channels 239.1.1.1, 239.1.1.2, 239.1.1.3 and 239.1.1.5 have already been established. What happens when this router receives two IGMP reports to join group 239.1.1.4 and 239.1.1.8?

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

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