Information Technology Reference
In-Depth Information
Question 20
The correct answer is B. RAID 1 is a configuration that uses mirroring in an
identical (not interleaved) fashion. Therefore, answer A is incorrect. A con-
catenated virtual file system uses one partition at a time. Therefore, answer
C is incorrect. Hot spare is not a type of virtual file system. Therefore,
answer D is incorrect.
Question 21
The correct answers are A, C, and D. If a filename is specified, the message
is appended to the file. If a hostname is specified, the message is sent to the
host. If a user account name is specified, the message is displayed on the stan-
dard output of the logged-in user. The only other valid action is an asterisk
( * ), which causes the message to be displayed on the standard output device
of all logged-in user accounts. Therefore, answer B is incorrect.
Question 22
The correct answers are A and C. The share command, used without argu-
ments, lists all locally shared NFS resources. The dfshares command can be
used to list locally or remotely shared resources. The dfmounts command is used
to list locally or remotely mounted resources. Therefore, answer B is incorrect.
The mountall command is used to mount local file systems. Therefore, answer
D is incorrect. The mount command is used to mount or list currently mounted
local file systems and NFS resources. Therefore, answer E is incorrect.
Question 23
Answer B is correct. The /etc/files can be modified, but the editing may
adversely affect the system and is not the best approach. Therefore, answer
A is incorrect. The makenisdata and buildmap commands are not valid.
Therefore, answers C and D are incorrect.
Question 24
The correct answer is the rules file.
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