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单选题 Which command restarts the TCP/IP subsystem?()

A

refresh -s inetd

B

refresh -s tcpip

C

refresh -g /etc/rc.tcpip

D

refresh -g /etc/inetd.conf

单选题 In which directory are the basic Linux commands such as gzip, gunzip and zcat installed?()

A

/opt/freeware/bin

B

/usr/bin/freeware

C

/var/freeware/bin

D

/usr/sbin/freeware

单选题 A system administrator will be migrating a server from AIX 5.1 to AIX 5.2 and is uncertain if the application running on the server will function properly after the migration. What is the fastest way to return to the previous AIX level if the application does not work?()

A

Use base media to restore system to AIX 5.1.

B

Use an alt_disk_install and boot back to the AIX 5.1 rootvg.

C

Make a mksysb of the original AIX to restore back to the AIX 5.1 level.

D

Perform the AIX 5.2 upgrade using update_all with the commit option and reject filesets to return to AIX 5.1.

单选题 The following entry is in the /etc/host.equiv and /home/jsmith/.rhosts file on server Alpha:+ jsmith.What does this entry indicate?()

A

The user jsmith can use r-commands from any server to server Alpha system-wide

B

The user jsmith can use r-commands from server Alpha to any server system-wide

C

The user jsmith can use r-commands from server Alpha to any server with a /home/jsmith directory

D

The user jsmith can use r-commands from any server to server Alpha only in the /home/jsmith directory

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