Exam Questions Rothwell Network Configuration Ch.19

Linux Essentials for Cybersecurity (Rothwell/Kinsey)

Chapter 19 Network Configuration

1) __________ devices are the most common network device on Linux systems.

A) Ethernet

B) Persistent

C) Wireless

D) Gateway

2) Which of the following commands lists active network devices when executed with no arguments?

A) nmcli

B) ifup

C) ifconfig

D) ifdown

3) Which output component of the ifconfig command includes statistics regarding how many network packets have been received correctly?

A) TX errors

B) TX packets

C) RX errors

D) RX packets

4) Which of the following flags that can be assigned an interface indicates that the interface is active?

A) BROADCAST

B) UP

C) PROMISC

D) MULTICAST

5) Some Linux distributions include __________, an automated tool that configures network settings without any interaction on your part.

A) ESSID

B) ARP

C) Network Manager

D) WPA

6) Which of the following commands can be used to determine if the Network Manager is running on your system?

A) systemctl disable NetworkManager

B) nmcli device status

C) systemctl stop NetworkManager

D) None of the above

7) The Internet Protocol (IP) is part of a __________ networking model called the ISO-OSI network model.

A) three-layer

B) five-layer

C) seven-layer

D) nine-layer

8) In the event that a remote system has its network card replaced, which option of the arp command is used to delete an entry from the ARP table?

A) -d

B) -I

C) -i

D) -D

9) Which of the following commands can be used to display or modify the routing table?

A) arp

B) routing

C) ifconfig

D) route

10) Which of the following is not true regarding the ip command?

A) The ip command is designed to replace the ifconfig, arp, and route commands.

B) The ip command is no longer under development.

C) The ip command provides more features than the ifconfig, arp, and route commands.

D) If you inherit an older or legacy system, the ip command might not exist.

11) Which of the following commands is normally used to perform simple hostname-to-IP-address translation operations?

A) hostname

B) dig

C) host

D) netstat

12) Which of the following commands is useful for performing DNS queries on specific DNS servers?

A) hostname

B) dig

C) host

D) netstat

13) Which of the following options for the netstat command displays information based on a specific interface?

A) -i

B) -a

C) -s

D) -t

14) The Red Hat variety of Linux distributions includes which of the following?

A) Fedora

B) CentOS

C) Red Hat Enterprise Linux

D) All of the above

15) Which of the following universal files is used by applications to determine the sources from which to obtain name-service information, as well as in what order?

A) /etc/sysctl.conf

B) /etc/nsswitch.conf

C) /etc/resolv.conf

D) /etc/hosts

16) Which of the following commands is used to verify that a remote host can respond to a network connection?

A) traceroute

B) auto

C) ping

D) netcat

17) Which of the following commands is used to display the router hops from one system to another (in other words, from one router to another)?

A) traceroute

B) auto

C) ping

D) netcat

18) Which of the following commands is a utility that can be used for debugging network issues?

A) traceroute

B) auto

C) ping

D) netcat

19) Which of the following commands displays the parameters of a wireless network interface?

A) iwlist

B) iwconfig

C) eth0

D) mode

20) If you are trying to attach a wireless device to a wireless access point (wireless router), you could execute the __________ command to see a list of available wireless routers.

A) iwlist

B) iwconfig

C) eth0

D) Ad-Hoc