Domain Name System
1. In a _______ name space, a name is assigned to an address. A name in this space is a sequence of characters without structure.
A.  flat B.  hierarchical C.  organized D.  none of the above
2. In a _________name space, each name is made of several parts.
A.  flat B.  hierarchical C.  organized D.  none of the above
3. To have a hierarchical name space, a ______________ was designed.
A.  domain space B.  domain name C.  domain name space D.  none of the above
4. In the DNS, the names are defined in ___________ structure
A.  a linear list B.  an inverted-tree C.  a graph D.  none of the above
5. The root of the DNS tree is _______.
A.  a string of characters B.  a string of 63 characters C.  an empty string D.  none of the above
6. A full domain name is a sequence of labels separated by ________.
A.  semicolons B.  dots C.  colons D.  none of the above
7. If a label is terminated by a null string, it is called a __________.
A.  PQDN B.  FQDN C.  SQDN D.  none of the above
8. If a label is not terminated by a null string, it is called a __________.
A.  PQDN B.  FQDN C.  SQDN D.  none of the above
9. . A _________ is a subtree of the domain name space.
A.  label B.  name C.  domain D.  none of the above
10. What a server is responsible for or has authority over is called a _________.
A.  domain B.  label C.  zone D.  none of the above