Florida Gulf Coast University

GEB 3250

Chapter 13 Quiz

1)Stream Control Transmission Protocol (SCTP) is a new                                                         _protocol.

1. reliable, character-oriented
2. reliable, message-oriented
3. unreliable, message-oriented
4. none of the above

2. )SCTP allows

1. single stream
2. multistream
3. double stream
4. none of the above

3. )SCTP association allows

1. only one IP address
2. multiple IP addresses
3. only two IP address
4. none of the above

4. )In SCTP, a data chunk is numbered using                                .

1. a TSN
2. an SI
3. an SSN
4. none of the above

5. )To distinguish between different streams, SCTP uses                                       .

1. a TSN

2. an SI
3. an SSN
4. none of the above

6. )To distinguish between different data chunks belonging to the same stream, SCTP uses    .

1. TSNs
2. SIs
3. SSNs
4. none of the above

7. )TCP has                                   ; SCTP has                                        .

1. packets; segments
2. segments; packets
3. segments; frames
4. none of the above

8. )The control information in SCTP is included in the                                    .

1. header control field
2. control chunks
3. data chunks
4. none of the above

9. )An SCTP packet can carry                                   .

1. only one data chunk
2. several data chunks
3. no data chunks
4. none of the above

10. Options in SCTP                                                                                      .
    1. are handled by defining new chunk types
    2. are included in the base header of a packet
    3. are handled by the data chunks
    4. none of the above

11. )The general header in SCTP is                                bytes.

1. 20
2. 8
3. 12
4. none of the above

12. )An SCTP sequence number (TSN) is located in the                                   .

1. general header
2. data chunk header
3. control chunk header
4. none of the above

13. )In SCTP, the acknowledgment number and window size are part of each                                          .

1. data chunk
2. control chunk
3. a or b
4. none of the above

14. )There is no need for a header length field in SCTP because                                                             .

1. there are no options in the general header

2. the size of the header is fixed
3. both a and b
4. none of the above

15. )The checksum in SCTP is                                  bits.

1. 16
2. 32
3. 64
4. none of the above

16. )The association identifier in SCTP is                                                                 .

1. a unique verification tag
2. a combination of logical and port addresses
3. either a or b
4. none of the above

17. )The association identifier in SCTP cannot be a combination of logical and port addresses because of

                                            .

1. multistream services
2. multihoming service
3. both a and b
4. none of the above

18. )In SCTP, control information and data information are carried in                                           chunks.

1. the same chunk
2. different chunks
3. either a or b
4. none of the above

19. )Control chunks in SCTP                                                               .

1. never use a TSN, IS, or SSN number
2. use a TSN, but no IS or SSN number
3. use a TSN or IS, but no SSN number
4. none of the above

20. )In SCTP, TSN is a cumulative number identifying the                                      ; SI defines the                       ;

SSN defines the             .

1. association; chunks in a stream; stream
2. association; stream; chunks in a stream
3. chunk; stream; association
4. none of the above

21. )In SCTP, acknowledgment numbers are used to acknowledge                                                 _.

1. both data chunks and control chunks
2. only control chunks
3. only data chunks
4. none of the above

22. )In an SCTP packet, control chunks come                                             data chunks.

1. after
2. before
3. a or b

4. none of the above

23. )In SCTP, chunks need to terminate on a                               boundary.

1. 16-bit
2. 32-bit
3. 64-bit
4. none of the above

24. )In SCTP, the number of padding bytes are                                       in the value of the length field.

1. included
2. not included
3. a or b
4. none of the above

25. )In SCTP, a DATA chunk                            carry data belonging to more than one message.

1. can
2. cannot
3. either a or b
4. none of the above

26. )In SCTP, a message                              split into several chunks.

1. can be
2. cannot be
3. either a or b
4. none of the above

27. )In SCTP, the data field of the DATA chunk must carry at least                                               byte of data, which means

the value of length field cannot be less than                                        . A) 8; 24

B) 1; 17

C) 40; 56

D) none of the above

28. )In SCTP,                                     can be carried in a packet that carries an INIT chunk.

1. only data chunks
2. only control chunks
3. no other chunk
4. none of the above

29. )A connection in SCTP is called an                                               .

1. negotiation
2. association
3. transmission
4. none of the above

30. )The acknowledgment in SCTP defines the cumulative TSN, the TSN of the

                                 .

1. last data chunk received in order
2. next data chunk to be received
3. last data chunk received out of order
4. none of the above

31. )A DATA chunk arrives with its B/E bits equal to 00. It is                                                  .

1. the first fragment

2. the last fragment
3. the middle fragment
4. not fragmented

32. )A DATA chunk arrives with its B/E bits equal to 01. It is                                                  .

1. the first fragment
2. the last fragment
3. the middle fragment
4. not fragmented

33. )A DATA chunk arrives with its B/E bits equal to 10. It is                                                  .

1. the first fragment
2. the last fragment
3. the middle fragment
4. not fragmented

34. )A DATA chunk arrives with its B/E bits equal to 11. It is                                                  .

1. the first fragment
2. the last fragment
3. the middle fragment
4. not fragmented

35. )The number of states in the state transition diagram of SCTP is                                                the number of states in

the state transition diagram of TCP.

1. less than
2. greater than
3. equal
4. can be any of the above cases

36. )Which chunk is not involved in association establishment?

1. INIT chunk
2. COOKIE ECHO chunk
3. SACK chunk
4. all are involved

37. )Which chunk probes the condition of an association?

1. ERROR chunk
2. HEARTBEAT chunk
3. SACK chunk
4. none of the above

38. )The                      chunk is sent when an end point finds an error in a received packet.

1. ERROR
2. ABORT
3. SHUTDOWN
4. none of the above

39. )In SCTP, duplicate messages are                             .

1. discarded
2. tracked
3. b and c
4. none of the above

40. )SCTP strategies for congestion control include                                 .