Florida Gulf Coast University

GEB 3250

Chapter 17 Quiz

1)In a__name space, a name is assigned to an address. A name in this space is a sequence of

characters without structure.

1. flat
2. hierarchical
3. organized
4. none of the above

2. )In a                           name space, each name is made of several parts.

1. flat
2. hierarchical
3. organized
4. none of the above

3. )To have a hierarchical name space, a                                                   was designed.

1. domain space
2. domain name
3. domain name space
4. none of the above

4. )In the DNS, the names are defined in                                         structure.

1. a linear list
2. an inverted-tree
3. a graph
4. none of the above

5. )Each node in the tree has a                           , which is a string with a maximum of                     

characters.

1. label; 127
2. name; 255
3. label; 63
4. none of the above

6. )The root of the DNS tree is                           .

1. a string of characters
2. a string of 63 characters
3. an empty string
4. none of the above

7. )A full domain name is a sequence of labels separated by                                    .

1. semicolons
2. dots
3. colons
4. none of the above

8. )If a label is terminated by a null string, it is called a                                             .

1. PQDN
2. FQDN
3. SQDN
4. none of the above

9. )If a label is not terminated by a null string, it is called a                                              .

1. PQDN
2. FQDN

3. SQDN
4. none of the above

10. )A                           is a subtree of the domain name space.

1. label
2. name
3. domain
4. none of the above

11. )What a server is responsible for or has authority over is called a                                           .

1. domain
2. label
3. zone
4. none of the above

12. )A                      is a server whose zone consists of the whole tree.

1. domain server
2. zone server
3. root server
4. none of the above

13. )A                        server loads all information from the disk file.

1. primary
2. secondary
3. zone
4. none of the above

14. )A                        server loads all information from the primary server.

1. primary
2. secondary
3. zone
4. none of the above

15. )When the secondary downloads information from the primary, it is called                                     

transfer.

1. domain
2. zone
3. label
4. none of the above

16. )In the Internet, the domain name space (tree) is divided into                                   different sections:

1. three
2. two
3. four
4. none of the above

17. )The                      domains define registered hosts according to their generic behavior.

1. generic
2. country
3. inverse
4. none of the above

18. 0The first level in the generic domains section allows                                possible labels.

1. 10
2. 12

3. 16
4. none of the above

19. )The                                    domain section uses two-character country abbreviations.

1. generic
2. country
3. inverse
4. none of the above

20. )The                            domain is used to map an address to a name.

1. generic
2. country
3. inverse
4. none of the above

21. )In                              resolution, the resolver expects the server to supply the final answer.

1. iterative
2. recursive
3. straight
4. none of the above

22. )In                              resolution, the server returns the IP address of the server that it thinks can resolve the

query.

1. iterative
2. recursive
3. straight
4. none of the above

23. )In the domain name chal.atc.fhda. edu,                              is the least specific label.

1. chal
2. atc
3. edu
4. none of the above

24. )In the domain name chal.atc.fhda. edu,                              is the most specific label.

1. chal
2. atc
3. fhda
4. none of the above

25. 0A host with the domain name pit.arc.nasa. gov. is on the                                   level of the DNS hierarchical tree.

(The root is level one.)

1. third
2. fourth
3. fifth
4. none of the above

26. )A pointer query involves the                            domain.

1. inverse
2. reverse
3. root
4. none of the above