Archive for November 2016

A technician discovers that the route command is being used incorrectly. Which of the following resources is the quickest means of finding examples of correct usage?

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A technician discovers that the route command is being used incorrectly. Which of the following resources is the quickest means of finding examples of correct usage?








A. Search the distribution documentation CD.
B. View the HOWTO pages on the Web browser.
C. Use the built-in help pages by typing "help route"
D. Use the built-in manual pages by typing "man route"








Answer: D

The following is an example of a ".forward" file found in user Audrey's home directory. /audrey,audrey@comptia.org Which of the following best describes what the mail handler will do when user "audrey" receives mail?

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The following is an example of a ".forward" file found in user Audrey's home directory.
/audrey,audrey@comptia.org
Which of the following best describes what the mail handler will do when user "audrey" receives mail?








A. It forwards a copy to comptia.org and does not keep a local copy
B. It saves a copy of the mail locally and forwards a copy of the mail to audrey@comptia.org
C. It runs a program audrey that is found in the root directory and forwards the mail to audrey@comptia.org
D. It runs a program called audrey that is found in the root directory and forwards the program's results to comptia.org








Answer: B

The current BIOS version on two workstations does not support the processor that will be installed, but the same motherboard with new BIOS versions does. Which of the following is the best way to resolve the problem?

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The current BIOS version on two workstations does not support the processor that will be installed, but the same motherboard with new BIOS versions does. Which of the following is the best way to resolve the problem?







A. Update the CMOS using a HEX editor.
B. Flash the BIOS with a binary or HEX file.
C. Replace the old motherboard with a new one.
D. Use the debug command to copy the BIOS from a newer motherboard.








Answer: B

After setting up a cron job to backup a system to tape, the first few backups on the tape cartridge are successful. They then fail, reporting the "device is full." What could be the cause of the problem?

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After setting up a cron job to backup a system to tape, the first few backups on the tape cartridge are successful. They then fail, reporting the "device is full." What could be the cause of the problem?







A. Tapes can only be used once
B. The tape is not being erased
C. The tape drive needs to be replaced
D. Incremental backups need to be used








Answer: B

Users on a machine need to run the command run_file that requires superuser permissions in order to write to other files. Which of the following will allow that to happen?

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Users on a machine need to run the command run_file that requires superuser permissions in order to write to other files. Which of the following will allow that to happen?







A. Run "./run_file -su root"
B. Use the chroot command.
C. Edit the users' ".login" files.
D. Change run_file to a SUID command.










Answer: D

A system has a utility that is regularly updated with new versions. Rather than overwriting the older versions, they need to be retained for testing purposes. Therefore, they keep older versions in the following format: utility1.3 utility1.4 utility1.5 What is the best way the system can be set up so that users can simply type "utility" to run the latest version of the application?

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A system has a utility that is regularly updated with new versions. Rather than overwriting the older versions, they need to be retained for testing purposes. Therefore, they keep older versions in the following format: utility1.3 utility1.4 utility1.5
What is the best way the system can be set up so that users can simply type "utility" to run the latest version of the application?








A. Copy the latest version of the utility to "utility".
B. Move the latest version of the utility to "utility".
C. Make a symbolic link "utility" to the latest version.
D. Make a symbolic link from the latest version to "utility.lnk".








Answer: C

A user replaces an old 4 GB IDE drive with a new 30 GB IDE drive. During the installation process, Linux recognizes only 8 GB of the available disk space. Which of the following is most likely the problem?

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A user replaces an old 4 GB IDE drive with a new 30 GB IDE drive. During the installation process, Linux recognizes only 8 GB of the available disk space. Which of the following is most likely the problem?








A. The BIOS does not support larger hard drives.
B. The hard disk controller has no LBA capability.
C. The value of the hard disk size in the CMOS is set incorrectly.
D. The hard disk has to be low-level formatted to access the full capacity.








Answer: A

A DHCP server has been added to the network. The local system has been reconfigured to connect using DHCP. How could an administrator restart network services and test that the interface and the DHCP server are functioning properly?

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A DHCP server has been added to the network. The local system has been reconfigured to connect using DHCP. How could an administrator restart network services and test that the interface and the DHCP server are functioning properly?









A. ifconfig --test
B. netstat -R --test
C. route restart; ping comptia.org
D. network restart; ping comptia.org








Answer: D

While attempting to start an application in an X Window System environment, the following error occurs: Error: Can't open display What most likely led to this error?

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While attempting to start an application in an X Window System environment, the following error occurs:
Error: Can't open display
What most likely led to this error?









A. The application is not an X application.
B. It is the wrong version of the application.
C. The application was compiled with the wrong graphics library.
D. The administrator has used "su -" to log into the current account.








Answer: D

A customer wants to identify all of the services that were initially loaded by his server upon boot and compare these with services that are currently running. How should he look for this information?

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A customer wants to identify all of the services that were initially loaded by his server upon boot and compare these with services that are currently running. How should he look for this information?









A. examine /boot and run "ps -ef"
B. examine /var/log/dmesg and run "ps -e"
C. examine /etc/init.d and run "whatis -x"
D. examine /var/log/boot.log and run "ps -ax"









Answer: D

A system administrator complains that a user's system has been forwarding unsolicited email (spam) to mass email lists. Which of the following actions needs to be done to sendmail to stop the spam?

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A system administrator complains that a user's system has been forwarding unsolicited email (spam) to mass email lists. Which of the following actions needs to be done to sendmail to stop the spam?








A. Change the firewall rules.
B. Restart the sendmail daemon.
C. Restrict relay domains in the sendmail configuration.
D. Change the SMTP mail server in the sendmail configuration.








Answer: C

If a video card is not recognized by the X configuration utility during the installation process, which of the following actions should be taken to enable X to display after installation is complete?

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If a video card is not recognized by the X configuration utility during the installation process, which of the following actions should be taken to enable X to display after installation is complete?








A. Edit the /etc/inittab to boot to the X Window System.
B. Identify the chipset on the video card and obtain the driver from the manufacturer.
C. Inspect the CMOS for information on the video card and install the drivers that came with the video card.
D. Edit /etc/lilo.conf to include a boot message to the kernel pointing to the location of the video drivers.








Answer: B

After completing an installation of Linux, the technician is asked to document the current configuration and place this in a public location. The technician documented the following items: Administrator contact information System network settings Application configuration Installed components Which of the following did the technician fail to include?

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After completing an installation of Linux, the technician is asked to document the current configuration and place this in a public location. The technician documented the following items:
Administrator contact information
System network settings
Application configuration
Installed components
Which of the following did the technician fail to include?








A. The root password
B. Disk partitioning scheme
C. Location of common system files
D. Cost of replacement system components







Answer: B

The following is the output from a ps command: PID TTY TIME CMD 1054 pts/1 00:00:00 bash 6894 pts/1 00:00:00 nmap 7123 pts/1 00:00:00 ps The nmap process has been taking up too much processing power. What command can be used to run nmap with less resources?

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The following is the output from a ps command:
PID TTY TIME CMD
1054 pts/1 00:00:00 bash
6894 pts/1 00:00:00 nmap
7123 pts/1 00:00:00 ps
The nmap process has been taking up too much processing power. What command can be used to run nmap with less resources?





A. bg nmap
B. stop | back 6894
C. CTRL-Q, bk nmap:6894
D. kill 6894 ; nice -n19 nmap <arguments>







Answer: D

A system administrator who has forgotten his root password on a server can do which of the following to change the root password?

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A system administrator who has forgotten his root password on a server can do which of the following to change the root password?










A. Use a brute-force password sniffer.
B. Edit the /etc/inittab file to load without NIS.
C. Use the passwd command from the administrator group.
D. Reboot the system in runlevel 1 and use "init=/bin/sh" as a boot option.








Answer: D

What does the command "rpm -Uvh package-update-3.5.i386.rpm" do?

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What does the command "rpm -Uvh package-update-3.5.i386.rpm" do?








A. Uninstalls the package and related hidden files
B. Upgrades the package and provides installation status
C. Allows the user to view hidden files installed with the package
D. Verifies that the package is installed correctly and reports errors









Answer: B

What is the purpose of cron?

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What is the purpose of cron?







A. Manage incoming and outgoing mail
B. Runs specified commands at defined times
C. Sets the system clock to a specified time
D. Changes the permission settings on a file or directory








Answer: B
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