FUNDAMENTALS OF COMPUTER

TROUBLESHOOTING COMPUTER ISSUES

IDENTIFYING HARDWARE SOFTWARE NETWORK PROBLEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following command-line utilities enables you to view the Internet Protocol (IP) configuration on a Unix or Linux host?
A
ifconfig
B
nslookup
C
ipconfig
D
netstat
E
iperf
Explanation: 

Detailed explanation-1: -The “ifconfig” command is used for displaying current network configuration information, setting up an ip address, netmask, or broadcast address to a network interface, creating an alias for the network interface, setting up hardware address, and enable or disable network interfaces.

Detailed explanation-2: -In many Unix-like operating systems (for example, Ubuntu, RHEL, macOS, BSD), a shared system administration utility known as ifconfig is available to configure, control, and query TCP/IP network interface parameters from a command-line interface (CLI).

Detailed explanation-3: -ifconfig stands for Interface Configuration. This command displays all the TCP/IP network configurations of the computer. We use ifconfig command mainly in Unix-based operating systems.

Detailed explanation-4: -ifconfig Command ifconfig is the most widely used command for checking the IP address associated with a Linux computer. This command lists all the IP addresses configured in the networking layer of the computer for each network interface.

Detailed explanation-5: -Using the ifconfig Command The system will display all network connections – including connected, disconnected, and virtual. Look for the one labeled UP, BROADCAST, RUNNING, MULTICAST to find your IP address. This lists both IPv4 and IPv6 addresses.

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