050-720 Online Practice Questions and Answers

You want to install the xyz-software-1.2.3-5.i586.rpm package, but only if a previous version is already installed. Which command will do this?

A. rpm -ivh xyz-software-1.2.3-5.i586.rpm

B. rpm -evh xyz-software-1.2.3-5.i586.rpm

C. rpm -Fvh xyz-software-1.2.3-5.i586.rpm

D. rpm -Uvh xyz-software-1.2.3-5.i586.rpm

In which file is the name resolution configured?

A. /etc/dns.conf

B. /etc/resolv.conf

C. /etc/HOSTNAME

D. /etc/nameservers

E. /etc/sysconfig/network/dns

Which statement about the /sbin/ldconfig command is correct?

A. The ldconfig command is used to link directories.

B. The ldconfig command is used to configure an LDAP connection.

C. The ldconfig command is used to update the software library cache.

D. The ldconfig command is used to show dynamic libraries needed by a program.

While the printers seem physically okay, you are encountering problems with CUPS. What is the best place to start looking for hints on what is wrong?

A. In the output of dmesg

B. In the /var/log/boot.msg file

C. In the /var/log/messages file

D. In the /var/log/cups/error_log file

Which group name is stored in /etc/passwd?

A. Primary group

B. Effective group

C. Secondary group

D. No group name is stored there.

You want to use the ip command to set a new address for your network device eth0. It is a standard class

C network. The broadcast address and network route should be set accordingly.

Which command is correct?

A. ip address set 192.168.0.10/24 dev eth0

B. ip address add 192.168.0.10/24 dev eth0

C. ip addr add 192.168.0.10/24 dev eth0 brd +

D. ip addr add eth0 192.168.0.10/24 eth0 broadcast 192.168.255.255

Which key combination can you use to stop a process that runs in the foreground?

A. Ctrl +X

B. Ctrl +Z

C. Ctrl + Alt + X

D. Ctrl + Backspace

Which lists of wireless networks are kept by NetworkManager?

A. Preferred list and avoid list

B. User list and encryption list

C. Trusted list and preferred list

D. Trusted list and untrusted list

What does the following line of the sudo configuration file mean? geeko ALL = /sbin/shutdown

A. All users are allowed to shut down the computer.

B. It allows the user geeko to shut down the computer.

C. All users (except geeko) are allowed to shut down the computer.

D. User geeko is allowed to shut down the computer with name ALL.

E. All users of the computer with the name geeko are allowed to shut down the computer.

Which command shows you the default shell of a user?

A. w user

B. id user

C. who user

D. finger user