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Nokia 4A0-108 Exam Dumps
Nokia Multicast Protocols
Total Questions : 247
Update Date : November 10, 2024
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Nokia 4A0-108 Sample Question Answers
Question # 1A BSR candidate message is seen with a higher priority than the existing BSR. Which of the following describes the action that occurs?
A. The higher priority router becomes the BSR only after the existing BSR fails.
B. The higher priority router becomes the BSR after the bootstrap message wait interval.
C. The higher priority router becomes the BSR immediately.
D. There is a BSR configuration parameter that determines whether or not there is a BSR election in this case.
Question # 2
Which of the following is NOT a function of Intra-AS I-PMSI A-D route?
A. To advertise the P-tunnel type to be used for the I-PMSI.
B. To advertise the group address for the I-PMSI.
C. To provide MVPN auto-discovery and binding within a single AS domain.
D. To advertise the customer multicast group address.
Question # 3
In the Alcatel-Lucent SROS, which BGP address family is configured to support MCASTVPN NLRI?
A. vpn-ipv6
B. vpn-ipv4
C. mvpn-ipv6
D. mvpn-ipv4
Question # 4
Which of the following about Draft Rosen MVPN is TRUE?
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 cannotoverlap.
C. Draft Rosen MVPN encapsulates customer multicast traffic in GRE tunnels.
D. In Draft Rosen MVPN, PE routers exchange customer multicast routing information byMP-BGP.
Question # 5
Which of the following regarding VRF Route Import extended community is TRUE?
A. It is used to support UMH selection in Inter-AS MVPN.
B. It is a new extended community added only to MVPN multicast routes.
C. It contains Global Administrator and Local Administrator fields.
D. It contains the AS number of the source PE.
Question # 6
Which of the following regarding the use of RSVP-TE P2MP LSP as MVPN I-PMSI isTRUE?
A. If RSVP-TE P2MP LSP is used as I-PMSI, either mLDP or RSVP-TE P2MP LSP can beused as S-PMSI.
B. The signaling protocol used for S-PMSI is independent of that used for I-PMSI.
C. If the signaling protocol used for I-PMSI is RSVP-TE, BGP must be used for signalingcustomer multicast information.
D. The protocol used for signaling customer multicast information is independent of thatused for the I-PMSI.
Question # 7
What is the destination address of the MLDv2 report message?
A. FF02::1
B. FF02::2
C. FF02::16
D. The specific multicast group address that the host is interested in.
Question # 8
Four routers in a domain are configured as BSR candidates. Router A is configured with aBSR priority of 10; Router B is configured with a BSR priority of 100; Router C and RouterD are at the default value. Router D has the highest IP address. Which router will beselected as the BSR?
A. Router A
B. Router B
C. Router C
D. Router D
Question # 9
What is the destination address of the MLDv2 general query?
A. FF02::1
B. FF02::2
C. FF02::16
D. The multicast group address of the multicast data that the router is receiving
Question # 10
Which protocol is used to establish the I-PMSI in Draft Rosen?
A. PIM DM
B. PIM ASM
C. PIM SSM
D. Either PIM ASM or PIM SSM
Question # 11
Which of the following about BGP Auto Discovery in an MVPN is TRUE?
A. If BGP Auto Discovery is used, MPLS LSPs must be used for the P-tunnels in theMVPN.
B. PIM state is maintained between PEs in the MVPN without PIM Hello messages.
C. MP-BGP keepalive messages are used to maintain adjacencies between the PEs in anMVPN.
D. MP-BGP can also be used as the multicast signaling protocol between the PEs andCEs.
Question # 12
How many types of Auto-Discovery routes are defined for MCAST-VPN NLRI?
A. 3
B. 5
C. 7
D. 9
Question # 13
Which of the following is NOT an advantage of NG MVPN over Draft Rosen?
A. MP-BGP is more scalable than PIM.
B. Unicast and multicast traffic in the same VPRN service can use the same transporttunnel.
C. P routers in the core do not need to maintain any PIM group states.
D. An MPLS tunnel can be used instead of a GRE tunnel.
Question # 14
Which of the following describes a purpose of MP-BGP as used in NG MVPN?
A. Building GRE tunnels to carry multicast traffic.
B. Building MPLS tunnels to carry multicast traffic.
C. Allowing a PE to discover the other PE routers in an MVPN.
D. Exchanging multicast routing information between CE routers.
Question # 15
Which of the following multicast packets can be forwarded in the Internet?
A. A multicast packet destined to FF70::1234.
B. A multicast packet destined to FF1E::1234.
C. A multicast packet destined to FF02::1234.
D. A multicast packet destined to FF3A::1234.
Question # 16
Which of the following best describes the PMSI (provider multicast service interface) in anMVPN service?
A. The PMSI is the interface between the PEs and CEs in an MVPN service.
B. The PMSI is an overlay broadcast network that interconnects all PEs in an MVPNservice.
C. The PMSI is the PIM-enabled interface between the PEs in an MVPN service.
D. The PMSI is the GRE tunnel that carries customer multicast traffic across the serviceprovider core network.
Question # 17
Which of the following regarding the BGP Shared Tree Join route is TRUE?
A. The PE with a receiver for C-multicast group sends a BGP Shared Tree Join update tothe PE attached to the C-RP.
B. The PE with a receiver for C-multicast group sends a BGP Shared Tree Join update tothe RP in the provider core network.
C. The PE attached to C-RP sends a BGP Shared Tree Join update to the C-RP.
D. The PE attached to C-RP sends a BGP Shared Tree Join update to the PE attached tothe source.
Question # 18
What impact does an asymmetric IGP routing topology have on the PIM RPF check?
A. The PIM RPF check may fail, since traffic from the source may arrive on one interface,while the IP route to the source may point to another interface on the PIM router.
B. PIM does not work in an asymmetric topology, therefore there is no RPF check at all.
C. There is no impact, since the Shared and Source Path Trees are built from the receiverto the source.
D. There is not enough information provided here to answer the question.
Question # 19
What is the default version of IGMP on the Alcatel-Lucent 7750 SR?
A. Version 1
B. Version 2
C. Version 3
D. There is no default setting, you must configure the version when you enable IGMP on7750 SR
Question # 20
Four routers share a multi-access network. Router A is configured with a PIM DR priority of10, Router B is configured with a PIM DR priority of 100, Router C and Router D areAlcatel-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?
A. Router A
B. Router B
C. Router C
D. Router D
Question # 21
An IGMP version 3 receiver signals EXCLUDE mode report with an empty EXCLUDE list. What does this indicate?
A. This is the initial join message; a list of sources to exclude will follow.
B. The receiver is willing to receive traffic from any source.
C. The receiver has received the query, but it does not wish to join any group.
D. The receiver is leaving the group.
Question # 22
Which of the following about the S-PMSI A-D route is FALSE?
A. It is sent by the ingress PE when the configured threshold is exceeded.
B. It eliminates the periodic MDT Join.
C. It eliminates the periodic PIM Hello.
D. It signals the multicast group address for the S-PMSI.
Question # 23
Which MAC address does the IPv4 multicast address 239.33.42.107 translate to?
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
F. 00-01-5e-al-2a-6b
Question # 24
Which of the following about MLD snooping is FALSE?
A. MLD snooping enables switches to forward multicast data to specific hosts interested inthe group.
B. MLD snooping can co-exist with IGMP snooping in the same VPLS service.
C. Once MLD snooping is enabled, the switch can snoop both MLDv1 and MLDv2messages.
D. MLD snooping snoops MLD report and done messages, but not query messages.
Question # 25
How many bits of the IPv4 multicast address directly match bits in the multicast MACaddress?
A. 23
B. 25
C. 27
D. 28
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