Free Access Alcatel-Lucent.4A0-100.v2022-02-28.q358 Practice Test (Page 38)

Question 181

Which of the following statements are TRUE regarding SONET/SDH? (Choose 2)

A.They are deployed over point-to-point physical topologies to allow sub-50ms convergence.

B.IP datagrams are encapsulated in an Ethernet frame for transmission over a SONET network.

C.IP datagrams are encapsulated in a PPP frame for transmission over an SDH network,

D.An ADM (Add Drop Multiplexer) is used to connect various sites to the infrastructure.

Question 182

What type of BGP sessions does router R2 need to establish in order to reach networks 192.168.1.0/27 and 192.168.5.0/27?

A.An iBGP peering session with router R1, and an eBGP peering session with router R4

B.An eBGP peering session with router R1, and iBGP peering sessions with routers R3 and R4

C.eBGP peering sessions with routers R1, R3 and R4

D.iBGP peering sessions with routers R1 and R5

Question 183

Which of the following protocols can be used to force traffic from router R2 to use the direct link to router R4?

A.Static routing

B.IS-IS

C.OSPF

D.eBGP

Question 184

Which of the following is a characteristic of the IP layer?

A.Provides services equivalent to the OSI data link layer.

B.Verifies the integrity of all received datagrams.

C.Provides an unreliable, connectionless data transmission service.

D.Provides a mechanism for flow control.

Question 185

TCP is sending data in 5 segments with SEQ numbers 27000, 27500.28000, 28500, and 29000 respectively. During transmission, the segment with SEQ=28500 is dropped in the network. How does TCP handle this situation?

A.The receiving end station sends an ACK flag with SEQ=28000 to indicate it has received a segment out of order.

B.The receiving station sends a NACK frame with SEQ=28500 requesting that the frame be retransmitted

C.Once the reciever's window is full. TCP assembles the payload and determines that SEQ=28500 is missing. At this point, the reciever sends the RST flag with SEQ=28500 to Request Single Transmission of the missing segment.

D.TCP will collect the segments and forward them to the application layer where the SEQ numbers will be processed and a retransmit request will occur for the entire packet.

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