[2026] Alcatel-Lucent Multicast Protocols - 4A0-108 무료 시험 문제

문제1

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

A. Whenever it receives a query

B. Never

C. Every 120 seconds

D. Every 60 seconds

E. Every 260 seconds

F. Every 30 seconds

정답: B

문제2

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

A. BGP Auto-Discovery is used for the signaling of the PMSIs, while either mLDP or RSVPTE P2MP is used for the signaling of customer multicast group membership.

B. 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.

C. 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.

D. BGP Auto-Discovery is used for the signaling of the PMSIs, as well as for the signaling of customer multicast group membership.

정답: D

문제3

Which of the following describes how customer multicast routing information is distributed in NG MVPN?

A. Customer multicast routing information is distributed with either PIM or MP-BGP.

B. Customer multicast routing information is distributed with either mLDP or RSVP-TE.

C. Customer multicast routing information is distributed only with PIM.

D. Customer multicast routing information is distributed only with MP-BGP.

정답: A

문제4

Refer to the exhibit.

Who will be the RP for group 239.1.34.92?

A. It depends on the setting of the override parameter

B. Both since 239.1.34.92 is part of both ranges

C. 10.10.10.24 since Dynamic has higher priority than Static

D. 10.10.10.66 since 239.0.0.0/8 is more specific than 224.0.0.0/4

E. Neither since this presents a conflict

정답: A

문제5

Which MAC address will the IPv4 multicast address 224.128.0.1 be translated to?

A. 00-01-5e-80-00-01

B. 01-00-5e-80-00-01

C. 01-00-5e-22-28-01

D. 00-01-5e-22-28-01

E. 01-00-5e-00-00-01

F. 01-00-5e-22-41-40

정답: E

문제6

In the Alcatel-Lucent SROS, which BGP address family is configured to support MCASTVPN NLRI?

A. vpn-ipv6

B. mvpn-ipv4

C. mvpn-ipv6

D. vpn-ipv4

정답: B

문제7

Which of the following are NOT characteristics of the many-to-many model of multicast data delivery? (Choose two)

A. Receivers are generally known by each other, since any receiver may be a source.

B. It is well suited for applications such as video on demand, where each source sends a
separate data stream to each of the many different receivers.

C. It is well suited for applications in which the receivers provide feedback to each other and the source.

D. Receivers are generally unknown by the source.

E. All devices are potentially capable of generating multicast data.

정답: B,D

문제8

Which of the following best describes how S-PMSI construction is initiated in Draft Rosen?

A. The ingress PE sends an MDT Join TLV in the I-PMSI for a group address from the configured range.

B. The egress PE sends an MDT Join TLV in the I-PMSI for a group address from the configured range.

C. The egress PE sends a PIM Join in the I-PMSI for a group address from the configured range.

D. The ingress PE sends a PIM Join in the I-PMSI for a group address from the configured range.

정답: A

문제9

Which of the following statements best describes the behavior seen in the network when a receiver joins a multicast channel in the PIM ASM network shown in the exhibit?

A. Only Router C will propagate a PIM(\G) Join to the RP when a receiver joins

B. Depends on the next hop for RP in Router D's RPF table

C. Both Router B and Router C will propagate a PIM (*, G) Join to the RP when a receiver joins

D. Only Router B will propagate a PIM (*.G) Join to the RP when a receiver joins

정답: B

문제10

If a router receives a packet addressed to a broadcast destination, it will:

A. Flood the packet to all ports except the receiving port

B. Drop the packet by default

C. Flood the packet to all ports including the receiving port

D. Forward the packet by default

정답: B

문제11

Refer to the following exhibit.

Assume all links have an equal metric in the IGP. Receiver 2 has joined the multicast group and the source is sending. As a result of Router F switching to the Source Path Tree, what message will be generated by Router D in the direction of Router E?

A. PIM (*, G)RP-bit prune

B. PIM Hello

C. IGMP(*, G)Join

D. PIM (S, G)RP-bit prune

E. PIM(*, G)Join

정답: D

문제12

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

A. Layer 7

B. Layer 1

C. Layer 4

D. Layer 3

E. Layer 2

정답: D

문제13

What is the destination address for MLDv2 report?

A. The specific multicast group address which the host is interested in

B. FF02::2

C. FF02::1

D. FF02::16

정답: D

문제14

Click the exhibit.

Which of the following statements is TRUE regarding the group address 239.1.1.1 in the BGP A-D message?

A. 239.1.1.1 is the customer multicast group address.

B. 239.1.1.1 is the I-PMSI group address.

C. 239.1.1.1 is the destination multicast group address of this message.

D. 239.1.1.1 is the 5-PMSI group address.

정답: A

문제15

What is the signaling protocol used by a multicast receiver?

A. PIM and IGMP are both used by a multicast receiver

B. PIM

C. IGMP

D. BSM

E. PIM or IGMP

정답: C

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