CERTIFIED-IN-CYBERSECURITY Question #507: Real Exam Question with Answer & Explanation

Question

What information can be obtained by using the 'ping' command?

Options

• AThe route to the remote system
• BThe file transfer speed from the remote system
• CThe online status of the remote system
• DThe Domain Name Service (DNS) address of the remote system

Explanation

The 'ping' command is a common network diagnostic tool used to test the availability of a host by measuring the round-trip time for Internet Control Message Protocol (ICMP) echo requests messages to the target host (see ISC2 Study Guide, Chapter 4, Module 1). If the server is unavailable, 'ping' will display a timeout. For example, a network administrator might use the 'ping' command to check if a server with the IP address 192.168.1.1 is online. They would type "ping 192.168.1.1'' into the command line. If the server is online and able to accept requests, it will respond to the ping, and the administrator will see the server's response time in milliseconds. This helps confirm the server's online status and its network connectivity. The other options are incorrect because they refer to something other than ping. First of all, the 'ping' command does not provide information about the file transfer speed of the remote system. That would require a more complex tool or protocol, such as FTP or HTTP. The ping command also does not provide the route to the remote system. This information can be obtained by using the 'traceroute' command. Finally, the 'ping' command does not provide the system's Domain Name Service (DNS) address of the system. DNS information can be obtained using other tools or commands, such as 'nslookup' or 'dig'.

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