Oracle Linux 5 and 6 System Administration - 1z0-100 Free Exam Questions

A. It supports labels.

B. Only root can mount filesystems that are not listed in listed in /etc/fstab.

C. By default, it can be used by an ordinary user to mount a local file system.

D. It lists all the currently mounted filesystems, if executed without any arguments

E. It lists only the filesystems listed in /etc/fstab if executed without any arguments.

A. The /etc/sudoers file may be edited to prevent a user from using su to switch to another user

B. A user may use su to start a new shell

C. Using su-test to switch to the test user does not run the test user's login scripts

D. The /etc/sudoers file may be edited to prevent root from executing certain executables unless a password is provided

E. The /etc/sudoers file may be edited to permit certain executables to be used with root privileges only if they are run on certain hosts

F. The /etc/sudoers file may be edited to allow a use to execute certain root-owned executables with root privileges

A. ssh keys must be generated by any user using the ssh client.

B. The openssh package must be installed.

C. The openssh-server package must not be installed.

D. The sshd daemon must not be started.

E. The ssh-agent must be started.

F. The openssh-client package must be installed.

A. The file may contain instructions to ignore certain modules.

B. The files may contain options to be passed to a module only when it is a dependency of a module being inserted.

C. The files may contain alias names for modules.

D. The files may contain options to be passed to a module, only when it is inserted using a modprobe command.

E. The files may contain options to be passed to a module only when it is inserted using an insmod command.

F. The file may contain shell commands to be run instead of inserting a particular module in the kernel.

A. It provides higher availability for applications by reducing Mean Time to Recovery.

B. It has a lower Mean Time Between Failures.

C. It is more secure and, therefore, more difficult to hack.

D. It scales better for more CPUS, memory, and Infiniband network connections.

A. All signals may be blocked by a process.

B. The kill command sends a sigkill (signal 9) by default to the process being killed.

C. The pkill command kills a process by name.

D. A process killed with the default signal always terminates gracefully if it: does not block the kill request.

E. The kill command may send a termination signal to more than one process at a time.

A. Traffic to 192.168.42.42 is routed via eth2.

B. Traffic to 192.168.180.180 is routed via eth1.

C. Traffic to 192.168.180.180 is routed via eth0.

D. Traffic to 192.168.0.42 is routed via eth2.

E. Traffic to 192.168.42.42 is routed via eth0.

F. Traffic to 192.168.180.240 is routed via eth1.