Which of the following files is used to initialize a computer-wide environment on a Linux computer?
A. /etc/group
B. /etc/profile
C. /etc/syslog.conf
D. /etc/startup
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. killall httpd
B. kill httpd
C. stopall httpd
D. stophttpd
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
Which of the following switches of the rpm command lists the package that owns the specified file? A.-a
B. -q
C. -e
D. -f
You work as a Network Administrator for Perfect World Inc. The company has a Linux-based network. You have configured a Linux server to connect to the Internet. Before connecting it to the Internet, you want to check all the files on which SUID has been set. Which of the following commands will you choose to list all such programs?
A. find /-perm -2000
B. ls -l
C. find /-perm -4000
D. ls -suid
Which of the following commands is used to uninstall an RPM package from a Linux server?
A. rpm -e
B. rpm --uninstall
C. rpm -U
D. rpm -re
You want to repeat the last command you entered in the bash shell. Which of the following commands will you use?
A. history !!
B. history ##
C. history !#
D. history !1
John works as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based
network. John is working as a root user on the Linux operating system. The company is using the host-
based access control to avoid unwanted access of the malicious users. John wants to add a new user,
which can use X applications from the remote computer. Which of the following commands will John use to
accomplish his task?
Each correct answer represents a complete solution. Choose all that apply.
A. John will run thexhost command.
B. John will execute thestartx command.
C. John will add a new user in the file /etc/Xn.hosts.
D. John will add a new user in the file /etc/Xadd.hosts.
Which of the following provides users shared access to files and directories?
A. pump
B. NFS
C. Squid
D. DNS
Which of the following commands can be used to upgrade a package only if an earlier version of that
package is already installed?
Each correct answer represents a complete solution. Choose all that apply.
A. rpm -F
B. rpm --freshen
C. rpm --upgrade
D. rpm -U
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