In the figure below, a classful addressing method is used for routing. A packet arrives with destination address 147.26.50.30. What is the next-hop address? Answer Rest of the Internet O mo 170.14.0.0/16 170.14.5.165 m R2 Default router 111.0.0.0/8 No next-hop address, exit interface m2 No next-hop address, exit interface m1 O Next-hop address 111.15.17.32, exit interface mo 111.30.31.184 m2 Next-hop address 111.30.31.18, exit interface mo RI mo m mo m1 111.25.19.20 111.15.17.32 R3 145.80.0.0/16 192.16.7.5 192.16.7.0/24 145.80.7.11 Multiple Choice (Total Point: 1.00) # 12 In the figure below, classless addressing forwarding method is used. A packet arrives with destination address 180.70.65.224. What is the next-hop address and exit interface? Answer O 201.4.16.0/22 180.70.65.128/25 201.4.16.2/22 No next-hop address, exit interface m2 m1 No next-hop address, exit interface mo m0 Next-hop address 201.4.16.2, exit interface m1 180.70.65.135/25 180.70.65.192/26 180.70.65.194/26 Next-hop address 180.70.65.200, exit interface m0 m3 m2 R1 201.4.22.3/24 201.4.22.0/24 180.70.65.200/26 Rest of the Internet Multiple Choice (Total Point: 1.00) #13 MPLS or flow labeled switching leverages on the following concept. Answer O O Routing Packet switching Circuit switching Searching Multiple Choice (Total Point: 1.00) #14 The function of the Batcher switch in the Batcher-Banyan switch is to Answer O O act as a buffer between the trap module and the Banyan switch perform filtering based on destination address ensure parallel signals can cross the switch ensure the trap module interacts with the Banyan switch Multiple Choice (Total Point: 1.00) # 15 The size of the option field in an Internet Protocol datagram is 33 bytes. What is the value of HLEN? Answer O 23 bytes 33 bytes 43 bytes 53 bytes Multiple Choice (Total Point: 1.00) # 16 The term means that IP provides no error checking or tracking. IP assumes the unreliability the underlying Layers and does its best to get a transmission through to its destination, but with no guarantees. Answer reliable deliver connection-oriented delivery best-effort delivery O mobile delivery Multiple Choice (Total Point: 1.00) # 17 What is needed to determine the number of the last byte of a fragment? Answer offset number total length more fragments both offset number and total length Multiple Choice (Total Point: 1.00) # 18 An HLEN value of decimal 14 has Answer 20 bytes option 36 bytes option 56 bytes of header 36 bytes of header Multiple Choice (Total Point: 1.00) # 19 A fragment with an offset value of 100 indicates that Answer the datagram has not been fragmented the datagram is 100 bytes in size the first byte of the datagram is byte 100 the first byte of the datagram is byte 800