Florida Gulf Coast University

GEB 3250

Chapter 27 Quiz

1)An IPv6 address is___bits long.

1. 32
2. 64

C) 128

D) none of the above

2. )In IPv6, options are inserted between the                                   and the                                 data.

1. base header; extension header

2. base header; upper-layer data
3. base header; frame header
4. none of the above

3. )IPv6 allows                              security provisions than IPv4.

1. more
2. less
3. the same level
4. none of the above

4. )An IPv6 address consists of                               bytes (octets);

1. 4
2. 8
3. 16
4. none of the above

5. )To make addresses more readable, IPv6 specifies

1. dotted decimal
2. hexadecimal colon
3. both a and b
4. none of the above

6. )In hexadecimal colon notation, a 128-bit address is divided into notation. sections, each

hexadecimal digits in length. A) 8: 2

B) 8: 3

C) 8: 4

D) none of the above

7. )An IPv6 address can have up to                                      colons.

1. 8
2. 7
3. 4
4. none of the above

8. )An IPv6 address can have up to                                      hexadecimal digits.

1. 16
2. 32
3. 8
4. none of the above

9. )If an IPv6 address has digits of                                , we can abbreviate the address.

1. 1s
2. Fs
3. 0s
4. none of the above

10. )In IPv6,                         address defines a single computer.

1. a unicast
2. a multicast
3. an anycast
4. none of the above

11. )In IPv6,                 address defines a group of computers with addresses that have the same prefix.

1. a unicast
2. a multicast
3. an anycast
4. none of the above

12. )                         address defines a group of computers.

1. A unicast
2. A multicast
3. An anycast
4. none of the above

13. )In IPv6, the                            prefix defines the purpose of the address.

1. type
2. purpose
3. both a and b
4. none of the above

14. )In IPv6, the                                    address is generally used by a normal host as a unicast address.

1. provider-based unicast
2. link local
3. site local
4. none of the above

15. )A                           address comprises 80 bits of zero, followed by 16 bits of one, followed by the 32-bit IPv4

address.

1. link local
2. site local
3. mapped
4. none of the above

16. )A                                address is an address of 96 bits of zero followed by 32 bits of IPv4 address.

1. link local
2. site local
3. mapped
4. none of the above

17. )A                      address is used if a LAN uses the Internet protocols but is not connected to the Internet

for security reasons.

1. link local
2. site local
3. mapped
4. none of the above

18. )The                    address is used if a site with several networks uses the Internet protocols but is not

connected to the Internet for security reasons.

1. link local

2. site local
3. mapped
4. none of the above

19. )Which of the following is a necessary part of the IPv6 datagram?

1. base header
2. data packet from the upper layer
3. a and b
4. none of the above

20. )The                      field in the base header restricts the lifetime of a datagram.

1. version
2. priority
3. hop limit
4. none of the above

21. )When a datagram needs to be discarded in a congested network, the decision is based on the        

field in the base header.

1. hop limit
2. priority
3. next header
4. none of the above

22. )The                      field in the base header and the sender IP address combine to indicate a unique path

identifier for a specific flow of data.

1. flow label
2. next header
3. hop limit
4. none of the above

23. )In the                       extension header, the destination address changes from router to router.

1. source routing
2. fragmentation
3. authentication
4. payload

24. )To request the physical address of a host whose IP address is known, a                                     message is sent.

1. membership-query
2. router-solicitation
3. neighbor-solicitati on
4. neighbor-advertisem ent

25. )If a host needs information about routers on the network, it sends a                                    message.

1. membership-report
2. router-solicitation
3. neighbor-solicitati on
4. neighbor-advertisem ent

26. )The ARP function in version 4 is part of                                   in version 6.

1. echo request and reply

2. router solicitation and advertisement
3. neighbor solicitation and advertisement
4. none of the above

27. )The IGMP functions in version 4 are part of                                   in version 6.

1. echo request and reply
2. router solicitation and advertisement
3. group membership
4. none of the above

28. )To join a group, a host sends a                            .

1. group-membership report
2. group-membership query
3. group-membership termination
4. none of the above

29. )The purpose of echo request and echo reply is to                              .

1. report errors
2. check node-to-node communication
3. check group memberships
4. none of the above

30. )A router sends a                         message to the host to monitor group membership.

1. report
2. query
3. termination
4. none of the above

31. )In error reporting the encapsulated ICMP packet goes to                                   .

1. the source
2. the destination
3. a router
4. none of the above

32. )In error reporting, a destination can send a                                 message if an option is not recognized.

1. parameter-problem
2. packet-too-big
3. time-exceeded
4. none of the above

33. )An MTU field is found on the                              error message to inform the sender about packet size.

1. destination- unreachable
2. time-exceeded
3. parameter-problem
4. none of the above

34. )When the hop count field reaches zero and the destination has not been reached, a

                    error message is sent.

1. destination- unreachable
2. time-exceeded
3. parameter-problem

4. none of the above

35. )When all fragments of a message have not been received within the designated amount of time, a

                    error message is sent.

1. destination- unreachable
2. time-exceeded
3. parameter-problem
4. none of the above

36. )Errors in the header or option fields of an IP datagram require a                                        error message.

1. destination- unreachable
2. time-exceeded
3. parameter-problem
4. none of the above

37. )If a member of a group wishes to terminate membership, it can                                    in response to a group

membership query.

1. send a group membership report
2. send a group membership termination
3. send a group membership query
4. none of the above

38. )In version 6, an independent protocol called                                is eliminated.

1. ICMP
2. IP
3. IGMP
4. none of the above

39. )The                      packet contains information about a router.

1. router solicitation
2. router information
3. router advertisement
4. none of the above

40. )When a host has the                          address of a host but needs the                          address, it uses a neighbor

solicitation packet.

1. physical; protocol port
2. physical; data link layer
3. IP; physical
4. none of the above

41. )A router can send a                          message to a host to inform it of a more efficient path.

1. neighbor-solicitati on
2. router-solicitation
3. redirection
4. none of the above

42. )Which version 4 protocols are still viable and known by their same names in version 6?

1. IGMP
2. ARP