A junior system administrator had trouble installing and running an Apache web server on a Linux server. You have been tasked with installing the Apache web server on the Linux server and resolving the issue that prevented the junior administrator from running Apache.
INSTRUCTIONS
Install Apache and start the service. Verify that the Apache service is running with the defaults.
Typing "help" in the terminal will show a list of relevant commands.
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CentOS Command Prompt

• A.Option
  
  
• B.Option
  
  

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A Linux administrator has configured a Linux system to be used as a router. The administrator confirms that two network adapters are properly installed and functioning correctly. In addition, the output of the iptables -L command appears to contain a complete firewall configuration.
Which of the following commands does the administrator need to issue for the router to be fully functional?

• A.echo "0" > /proc/sys/net/ipv4/tcp_abort_on_overflow
• B.echo "1" > /proc/sys/net/ipv4/ip_forward
• C.echo "1" > /proc/sys/net/ipv4/ip_default_ttl
• D.echo "0" > /proc/sys/net/ipv4/max_connections

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An administrator receives a warning about a file system filling up, and then identifies a large file located at /tmp/largelogfile. The administrator deletes the file, but no space is recovered on the file system.
Which of the following commands would BEST assists the administrator in identifying the problem?

• A.ps -ef | grep largelogfile
• B.pgrep largelogfile
• C.pkill /tmp/largelogfile
• D.lsof | grep largelogfile

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A technician wants to secure a sensitive workstation by ensuring network traffic is kept within the local subnet.
To accomplish this task, the technician executes the following command:
echo 0 > /proc/sys/net/ipv4/ip_default_ttl
Which of the following commands can the technician use to confirm the expected results? (Choose two.)

• A.tcpdump
• B.iperf
  ip
• C.arp
• D.route
• E.traceroute

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A junior Linux administrator is installing a new application with CPU architecture requirements that have the following specifications:
x64 bit
3.0GHz speed
Minimum quad core
The administrator wants to leverage existing equipment but is unsure whether the requirements of these systems are adequate. The administrator issues the following command cat/proc/cpuinfo. The output of the command is as follows:

Which of the following is the recommended course of action the administrator should take based on this output?

• A.Recompile the Linux kernel to support the installation.
• B.Reconfigure lib modules to support the new application.
• C.Procure new equipment that matches the recommended specifications
• D.Install the application, as the system meets the application requirements

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