Practice Quiz in Domain Name System Part 3

This is the Online Practice Quiz in Domain Name System part 3 from the book, Data Communications and Networking 4th Edition by Behrouz A. Forouzan. If you are looking for a reviewer in Electronics Systems and Technologies (Communications Engineering) this will definitely help you test your knowledge and skill before taking the Board Exam.

Continue Part III of the Online Practice Quiz

Quiz in Domain Name System Question 21. A _________ is a subtree of the domain name space. A. label B. name C. domain D. None of these Question 22. In a _________name space, each name is made of several parts. A. flat B. hierarchical C. organized D. None of these Question 23. A _______ is a server whose zone consists of the whole tree. A. domain server B. zone server C. root server D. None of these Question 24. If a label is not terminated by a null string, it is called a __________. A. PQDN B. FQDN C. SQDN D. None of these Question 25. A host with the domain name pit.arc.nasa.gov. is on the _______ level of the DNS hierarchical tree. (The root is level one.) A. third B. fourth C. fifth D. None of these Question 26. When the secondary downloads information from the primary, it is called ______ transfer. A. domain B. zone C. label D. None of these Question 27. Each node in the tree has a _______, which is a string with a maximum of ___ characters. A. label; 127 B. name; 255 C. label; 63 D. None of these

More Practice Quiz in Domain Name System

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Complete Practice Quiz in Data Communications and Networking

Note: After taking this particular quiz, you can proceed to check all the topics.

Complete Practice Quiz in Data Communications and Networking

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