Which bash commands result in a valid arithmetic expansion? (Choose three)

A. TOTAL=$((5.3+2.2))

B. TOTAL=$[8/2]

C. TOTAL=$[8.4/2.1]

D. TOTAL=$[2.1*4]

E. TOTAL=$((5+2))

F. ((TOTAL++))

Which statements about log file rotation are true? (Choose two)

A. Configuration files in the /etc/logrotate.d/ directory can override settings in /etc/logrotate.conf.

B. The /etc/logrotate.conf file controls which log files will be compressed or deleted based on some regular interval or when the log file reaches a particular size.

C. The /etc/cron.daily/logrotate file controls which log files will be compressed or deleted based on some regular interval or when the log file reaches a particular size.

D. Configuration files in the /etc/logrotate.d/ directory can override settings in /etc/cron.daily/logrotate.

E. The /usr/sbin/logrotate program is used to create and configure settings in the /etc/logrotate.conf file.

What happens when you launch yast2 without specifying a module name?

A. YaST displays an error message and terminates

B. The YaST Control Center appears.

C. YaST switches to ncurses mode and automatically launches the Module Selector.

D. YaST switches to ncurses mode.

E. YaST switches to graphical mode.

If the file1.txt file already exists in your home directory, what will the touch -7file1.txt command do if anything?

A. This command displays a message that file1.txt is a normal file.

B. This changes the access and modification times of the existing file1.txt file.

C. This will delete the existing file1.txt file and create a new zero byte file using the same name.

D. This generates an error since file1.txt already exists.

E. This causes any additional data to be appended to the existing file1.txt file.

F. This command displays a message that file1.txt is a normal file and displays the size of the file.

What is the default port a VNC Client uses to connect?

A. TCP 5901

B. DP 5901

C. TCP 5801

D. DP 5801