FUNDAMENTALS OF COMPUTER

TROUBLESHOOTING COMPUTER ISSUES

IDENTIFYING HARDWARE SOFTWARE NETWORK PROBLEMS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which of the following command-line utilities enables you to generate Domain Name System (DNS) request messages?

A	ifconfig
B	nslookup
C	nbtstat
D	netstat
E	iperf

Explanation:

Detailed explanation-1: -The nslookup command queries internet domain name servers in two modes. Interactive mode allows you to query name servers for information about various hosts and domains, or to print a list of the hosts in a domain. In noninteractive mode, the names and requested information are printed for a specified host or domain.

Detailed explanation-2: -nslookup is a command-line tool to discover the IP address or DNS record of a specific domain name. It also allows for reverse DNS lookup, letting you find the domain attached to an IP address. To use the tool, enter “nslookup” into the Command Prompt or Terminal.

Detailed explanation-3: -nslookup is a command-line administrative tool for testing and troubleshooting DNS servers (Domain Name Server). It is used to query specific DNS resource records (RR) as well. Most operating systems come with a built-in nslookup feature.

There is 1 question to complete.