1.5 Use the appropriate networking tools or configuration files

Question 1

ip command

Answer 1

Replaced the ifconfig command.

Question 2

ss command

Answer 2

Information gathering utility with simpler output and syntax.

Question 3

nmcli

Answer 3

Better output than the IP command

Question 4

ifconfig command

Answer 4

Shows network info like MAC, IP, etc

Question 5

ifcfg command

Answer 5

Used to set network interface parameters in Linux.

Question 6

hostname command

Answer 6

Human-readable name of the device.

Question 7

arp command

Answer 7

Used to relate IP and MAC address.

Question 8

route command

Answer 8

Used to view the routing table.

Question 9

/etc/sysconfig/network-scripts/

Answer 9

This is found on RHEL, CentOS, and Fedora. A directory that houses various config files for network interfaces on your system.

Question 10

/etc/nsswitch.conf

Answer 10

Specifies the methods to use and the order in which to use them when looking for a certain type of information.

Question 11

/etc/resolv.conf

Answer 11

Informing the system of the IP address of one or more DNS servers.

Question 12

hostnamectl command

Answer 12

Shows the system’s network hostname and other info about the system’s hardware.

Question 13

resolvectl command

Answer 13

Used to interact and manage DNS settings on Linux systems that use the systemd-reolved service.

Question 14

dig command

Answer 14

Used for gathering information and testing name resolution.

Question 15

nslookup command

Answer 15

Used to test name resolution.

Question 16

host command

Answer 16

Used to query DNS server.

Question 17

WHOIS

Answer 17

Host information about the owner of the domain name.

Question 18

traceroute command

Answer 18

Used to report the network path between the source and destination.

Question 19

ping command

Answer 19

Used to test network connections to different machines across a network.

Question 20

mtr command

Answer 20

Combination of ping and traceroute that enables testing the quality of a
network connection.

Question 21

rsync command

Answer 21

Used to copy files locally and to remote systems.