Which of the following does not included in UDP header.
A. Source port number
B. Destination port number
Checksum
D. Sequence number
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In the following four descriptions about MSS and MTU, which one is not correct?
A. The MSS is the maximum amount of application-layer data in the segment
B. The MSS is the maximum size of the TCP segment including headers
C. The MSS is typically set by MTU
D. The MTU means the largest link-layer frame
The job of gathering data chunks, encapsulating each data chunk with header information to create segments and passing the segments to the network is called ____.
A. multiplexing
B. de-multiplexing
C. forwarding
D. routing
In the following four descriptions about the relationship between the transport layer and the network layer, which one is not correct?
A. The transport-layer protocol provides logical communication between hosts
B. The transport-layer protocol provides logical communication between processes
C. The services that a transport-layer protocol can provide are often constrained by the service model of the network-layer protocol
D. A computer network may make available multiple transport protocols
Suppose the following three 8-bit bytes: 01010101, 01110000, 01001100. What’s the 1s complement of the sum of these 8-bit bytes?
A. 00010001
B. 11101101
C. 00010010
D. 10001000
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