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問題1

What is the effect of selecting the option "Enable IP Forwarding" in the routing configuration in YaST?

A. IP packets that do have this host as their destination are routed to another host.

B. IP packets that do not have this host as their destination are transferred from one network connected to the host to another network connected to this host, according to the routing table.

C. IP packets that do have this host as their destination are dropped to protect the host from attacks.

D. IP packets that do not have this host as their destination are filtered according to the firewall rules.

正確答案: B

問題2

You would like to run command1 and then command2, whether or not command1 completed successfully. Which command accomplishes this task?

A. command1 > command2

B. command1 & command2

C. command1 ; command2

D. command1 | command2

正確答案: C

問題3

You want to find out if files from the wget package were altered since they were installed. Which command will give you this information?

A. rpm -F wget

B. rpm -qf wget

C. rpm -V wget

D. rpm -v wget

正確答案: C

問題4

Which command can you use to generate an MD5-encrypted password for GRUB?

A. passwd -c --md5

B. genkey --md5

C. grubpass -md5

D. grub-md5-crypt

正確答案: D

問題5

The useradd command is used to create new users. Which file contains information on the primary group, shell, and other parameters to be used by useradd when not specified on the command line?

A. /etc/passwd

B. /etc/shadow

C. /etc/default/useradd

D. /etc/profile

正確答案: C

問題6

Which statement about a differential backup is correct?

A. The amount of data that needs to be backed up with each differential backup depends only on the amount of data changed since the last differential backup.

B. The use of differential backups is limited to backups on tape roboters.

C. To restore a differential backup, you need the last full backup and the last differential backup that was made since the last full backup.

D. To restore a differential backup, you need the last differential backup only.

正確答案: C

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