ACE-P-ALE1.04 Online Practice Questions and Answers

If one or more CPUs in a system is extremely busy (less than 25% idle) but the run queue is relatively low, what might the system need to improve performance?

A. Faster CPUs

B. More CPUs

C. More memory

D. Faster hard drives

Which utility can be used to remove sections or columns of each line of input?

A. sort

B. cut

C. paste

D. diff

E. grep

RHEL is a popular distribution from which core tree?

A. Fedora

B. Linux

C. Debian

D. Slackware

Which of the following is true when using the mv command to move a file to a new location on the same filesystem?

A. It is not recommended because the filesystem could be corrupted

B. It is slow because the data has to be read and written

C. It is not recommended, and the cp command should be used instead

D. It is very fast because only the directory entry needs updating

What are two primary variants of UNIX?

A. ATandT and Bell Labs

B. Sun and DEC

C. BSD and System V

D. Debian and Fedora

To create or delete files in a directory, you need what permission?

A. read

B. write

C. execute

D. setuid

Which of these statements is true about user groups on Linux?

A. A user may be a member of more than one group

B. A group may have more than one-member user

C. Groups may not be nested

D. Groups may be nested

In file globbing, which symbol matches any single character?

A. *

B. ?

C. []

D. .

What was the first widely adopted commercial UNIX?

A. ATandT System V

B. Berkeley Software Distribution

C. Linux

D. Sun Solaris

What free optional software package allows the Linux kernel to support proprietary filesystems such as ExFAT and NTFS?

A. VFS

B. inodes

C. FUSE

D. UFS