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单选题 Which command should be used to capture network traffic between the localhost and a host named ‘webserver’?()

A

tcpdump webserver

B

tcpdump host webserver

C

tcpdump -hostname webserver

D

tcpdump -print -h webserver

单选题 A system was rebooted and is taking a long time toreturn. The administrator has logged into the HMC and sees reference code 0c9. What does this mean?()

A

The system is configuring a device.

B

A system initiated dump has started.

C

The system is varyingon a volume group.

D

The system is running an inbuilt self test.

单选题 A user is unable to determine the default system text editor. How can the local administrator assist the user by identifying the default text editor for the system?()

A

Login as the user and run ’echo $ENV’.

B

Login as root and run the ’env’ command.

C

Login as root and ’cat /etc/environment’.

D

Login as the user and run the ’env’ command.

单选题 A system is being booted into maintenance mode due to root password recovery.After accessing the root volume group and starting a shell without mounting the file systems, what is the next step?()

A

Delete root's password from the /etc/security/passwd file

B

Use the diag recovery tool option to reset root's password

C

Execute the ‘passwd’ command and assign a new passwd to root UID

D

Mount the / and /usr filesystems on alternative mount points to edit the password file

单选题 Which command will allow an administrator to view the primary and secondary dump devices?()  

A

sysdumpdev -l

B

dumpmgr -ALl

C

lsdev -Cc dump

D

diag -dump=show

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