Which of the following commands can be used to modify kernel parameters at runtime?
A. sync
B. sysctl
C. mkinitrd
D. lsdev
Which of the following commands is used to mount file systems?
A. detach
B. mount
C. umount
D. attach
You work as a Network Administrator for World Perfect Inc. The company has a Linux-based network. You have configured a Linux Web server on the network. A user complains that the Web server is not responding to requests. The process list on the server shows multiple instances of the HTTPD process. You are required to stop the Web service. Which of the following commands will you use to resolve the issue?
A. stophttpd
B. stopall httpd
C. kill httpd
D. killall httpd
In Linux, which of the following prompts does the Shell display to indicate that the logged in user is Superuser?
A. $
B. #
C. :
D. and
Which of the following is GRUB Menu Configuration File?
A. /etc/grub.conf
B. /boot/grub/grub.conf
C. /etc/grub/grub.conf
D. /boot/grub.conf
To see the run levels associated with the service grub, which of the following commands must be issued?
A. chkconfig
B. service
C. xinetd
D. chkconfig --list
Alicia works as a System Administrator for SoftTech Inc. The company uses the Linux operating system.
She wants to install Apache on the company's server.
Which of the following commands will she use to check whether or not Apache is already installed on the
server?
A. rpm -U apache
B. rpm -q apache
C. rpm --checksig
D. rpm -i apache
You work as the Network Administrator for Perfect Solutions Inc. The company has a Linux-based
network. You are a root user on the Red Hat operating system. You want to keep an eye on the system log
file /var/adm/messages.
Which of the following commands should you use to read the file in real time?
A. tail -n 3 /var/adm/messages
B. tail /var/adm/messages
C. cat /var/adm/messages
D. tail -f /var/adm/messages
You work as a Network Administrator for McNeil Inc. The company has a Linux-based network. You want to create a new user account from the shell. Which of the following commands will you use?
A. CREATEUSER
B. USERADD
C. MOUNT
D. CRUSER
Which of the following commands runs a Linux system in multi-user mode with networking?
A. init 2
B. init 3
C. init 6
D. init 5
