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Computer Networks: Domain Name System MCQs
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Avg score: 36% • Most missed: “The domain, which is used to map an address to a name is called”
Computer Networks: Domain Name System MCQs
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25 Questions

1. The information contained in the domain name space must be
2. A root server is a server whose zone consists of the
3. A DNS client/server program can support an e-mail program to find the IP address of an
4. The main disadvantage of a flat name space is that it cannot be used in a large
5. Mapping a name to an address or an address to a name is called
6. A registrar first verifies that the requested domain name is unique and then enters it into the DNS
7. To register, the organization needs to give the name ofits server and the IP address of
8. DNS can be pictured as an inverted hierarchical tree structure with one root node at the top and a maximum of
9. FQDN stands for
10. If the size of the response message is more than 512 bytes, a Connection is used called
11. Each name space is made of several parts in
12. If a label is terminated by a null string, it is called a
13. The term that define registered hosts according to their generic behavior, is called
14. The DNS clients are known as
15. The xxx.yyy.net is a
16. In Domain Name Space, if a label is not terminated by a null string, it is called a
17. In DNS messages a section consisting of one or more resource records is called
18. The name of the domain is the domain name of the node at the top of the
19. A root server's zone is the entire
20. In Domain Name System (DNS), the server makes a database called
21. The domain, which is used to map an address to a name is called
22. If the server has the information, it satisfies the
23. A domain is a sub tree of the
24. Each node in the tree has a label, which is a string with a maximum of
25. A root server usually does not store any information about domains but delegates its authority to the

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