CompTIA Linux+ (XK0-004) Performanced-Based Questions #4

Type the command to view the Internet Protocol (IP) configuration on a Linux host.

You are working at a Linux command prompt. You need to capture and analyze packets from the ethernet interface 0 using the tcpdump command. Type the command to start capturing the packets.

You need to perform a nmap scan using the hostname server1.dojolab.org to find out all open ports, services and MAC address on that system. Type the command to initiate the scan.

You are working at a Linux command prompt. You need to find the A record from the website dojolab.org to troubleshoot DNS-related issues. Type the command to display the records from the dojolab DNS server.

You are working at a Linux command prompt. Type the command to search all lines that end with “done” in a file named tasks.doc.

You are working at a Linux command prompt. Type the command to search all lines that start with “hello” in a file named greetings.txt.

You are working at a Linux command prompt. Set the permissions of file.txt to “owner can read and write; group can read only; others can read only” using octal permissions notation.

You need to search and display the total number of times that the tag “h1” appears in a file named main.html using grep. Type the Linux command for it.

You are working at a Linux command prompt. You have been tasked to view the last 50 lines of a log file named logfile.txt. Type the command to complete the task.

You have been tasked to present the content of two log files. First, you need to display the content of the file named logfile1.txt and then the content of the file named logfile2.txt. Type the command to display the content of the two files.

Type the command to retrieve only email-related DNS records for the domain dojolab.org using the -query=mx option.

You want to capture HTTP packets using tcpdump. The HTTP service is running on its default port and your Ethernet adapter is eth1. Type the command to capture the packets.