A junior systems administrator is tasked with providing the network_administratorsgroup the ability to perform sudowithout prompting for a password. Which of the following steps should the administrator perform to accomplish this task? (Choose two.)

• A.Add the network_administrators=(ALL) NOEXEC: ALLdirective to the /etc/sudoersfile
• B.Use vito edit the /etc/sudofile and add network_administratorsto the "wheel" group
• C.Add the network_administrators ALL=(ALL) NOPASSWD: ALLdirective to the /etc/sudoersfile
• D.Use visudoto edit the /etc/sudoersfile and add network_administratorsto the "wheel" group
• E.Provide all network_administratorswith the "root" account password

Comment: *

Name: *

Email: *

Verification: *

A Linux systems administrator needs to set permissions on an application with the following parameters:
The owner of the application should be able to read, write, and execute the application.
Members of the group should be able to read and execute the application.
Everyone else should not have access to the application.
Which of the following commands would BEST accomplish these tasks?

• A.chmod 760 <application name>
• B.chmod 750 <application name>
• C.chmod 730 <application name>
• D.chmod 710 <application name>

Comment: *

Name: *

Email: *

Verification: *

Due to security policies, a restriction was implemented that forbids direct access to the database server. The junior administrator needs to connect using SSH tunneling. Which of the following commands allows the junior administrator to connect from a desktop?

• A.ssh -L dbserver.local:5432:localhost:95432 [email protected]
• B.ssh -L 5432:localhost dbserver.local:5432 postgres
• C.ssh -L 95432:localhost [email protected]
• D.ssh -L 9432:localhost:5432 [email protected]

Comment: *

Name: *

Email: *

Verification: *

The Apache web server was recently installed on a Debian/Ubuntu server. The web server fails and a review of log messages on another partition reveals the installation was not completed properly due to lack of disk space.
After clearing the files, the systems administrator has requested the installation to be performed again.
Which of the following command lines will perform this task? (Choose two.)

• A.apt-get install apache2
• B.apt-get --purge remove acache2
• C.apt-get --reinstall install apache2
• D.apt-get --reinstall apache2

Comment: *

Name: *

Email: *

Verification: *

A systems administrator has received reports of intermittent network connectivity to a particular website. Which of the following is the BEST command to use to characterize the location and type of failure over the course of several minutes?

• A.mtr www.comptia.org
• B.netstat www.comptia.org
• C.tracert www.comptia.org
• D.ping www.comptia.org

Comment: *

Name: *

Email: *

Verification: *