010-160 010-160 - LPI Linux Essentials Networking Basics Questions and Answers 2

Question 1

Which command shows the routing table on a Linux system using the modern iproute2 suite?

Accepted Answer

ip route

Answer

route -n

Answer

netstat -r

Answer

ifconfig route

Question 2

What port number is used by the SSH (Secure Shell) protocol by default?

Accepted Answer

22

Answer

23

Answer

80

Answer

443

Question 3

Which command traces the network path (hops) that packets take to reach a destination host?

Accepted Answer

traceroute

Answer

ping

Answer

netstat

Answer

route

Question 4

What does the command `ss -tuln` display on a Linux system?

Accepted Answer

Listening TCP and UDP ports without resolving names

Answer

System socket statistics

Answer

SSL certificate details

Answer

Subnet and VLAN information

Question 5

Which command on Linux is used to securely copy files between a local machine and a remote host over SSH?

Accepted Answer

scp

Answer

cp

Answer

ftp

Answer

rsync

Question 6

What is the purpose of the `/etc/hostname` file on a Linux system?

Accepted Answer

It stores the system's hostname

Answer

It lists remote hostnames for SSH

Answer

It maps hostnames to MAC addresses

Answer

It configures the DNS search domain