TROUBLESHOOTING COMPUTER ISSUES
IDENTIFYING HARDWARE SOFTWARE NETWORK PROBLEMS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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ifconfig
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nslookup
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ipconfig
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netstat
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iperf
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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.