Information Technology Reference
In-Depth Information
Exam Prep Practice Questions
Question 1
Which of the following naming services requires the data to be configured man-
ually on every system on which it is used?
❍
A.
NIS
❍
B.
NIS+
❍
C.
DNS
❍
D.
/etc
files
The correct answer is D. All the other naming services provide a means to
update one master database and propagate changes to every system that
needs them. Although using
/etc
files is simple and quick for a small num-
ber of systems, using NIS, NIS+, or DNS for a large number of systems
reduces maintenance.
Question 2
What is the name of a method to restrict access to NIS+ resources based on the
credentials of the users?
The correct answer is
authentication
.
Question 3
Which of the following are features provided by NIS+? [Select all that apply.]
❑
A.
Authentication
❑
B.
Time-zone support
❑
C.
Batch propagation of updates
❑
D.
Hierarchical domain architecture
❑
E.
Flat domain architecture
The correct answers are A, B, and D. Answers C and E (batch propagation
of updates and flat domain architecture) are characteristics of NIS.
