Module 12 Live Virtual Machine Labs 1-4

Question 1

lab 12-1

Which file is used for defining the hostname?

/etc/hosts
/etc/netwrok
/etc/hostname
/etc/names

Answer 1

/etc/hostname

Question 2

Which command is used to view the full hostname?

hostname -d
hostname -f
hostname
hostname -n

Answer 2

hostname -f

Question 3

Which command is used to display the hostname and its related information?

sysconfig
show-name
hostname
hostnamectl

Answer 3

hostnamectl

Question 3

Which command displays the short name of a system?

hostname -d
hostname -s
hostname -n
hostname -f

Answer 3

hostname -s

Question 4

Which of the following is the correct command to display the hostname?

nmcli general name
nmcli hostname
nmcli general host
nmcli general hostname

Answer 4

nmcli general hostname

Question 5

lab 12-2

Which command should you use to query databases for information on various components including password, group, hosts, services, and protocols

where
find
which
getent

Answer 5

getent

Question 6

In a Linux system, which two files are used for name resolution? [Choose two.]

/etc/network
/etc/dns
/etc/resolv.conf
/etc/hosts

Answer 6

/etc/hosts
/etc/resolv.conf

Question 7

Which file defines the order, files, dns, myhostname?

/etc/nsswitch.conf
/etc/dns
/etc/resolv.conf
/etc/network
/etc/hosts

Answer 7

/etc/nsswitch.conf

Question 8

Which file defines the order in which the name resolution is to be performed?

/etc/nsswitch.conf
/etc/resolv.conf
/etc/hosts
/etc/dns
/etc/network

Answer 8

/etc/nsswitch.conf

Question 9

Which command provides more information than the host command and provides information on the nameservers?

netstat
nslookup
dig
host

Answer 9

dig

Question 10

lab 12-3

Which protocol is the underlying protocol for OpenSSH?

RDP
TLS
SSH
SSL

Answer 10

SSH

Question 11

What is the service name for SSH?

ssh.confg
ssh
sshd.service
ssh.service

Answer 11

sshd.service

Question 12

When creating a rule in Iptables, which parameter allows to define a specific port?

–dport
–pport
–serviceport
–port

Answer 12

-dport

Question 13

lab 12-4

Which two remote connectivity programs are replaced by SSH? [Choose two.]

RDP
telnet
rlogin
http

Answer 13

telnet
rlogin

Question 13

The _________ file contains the configuration settings for the OpenSSH Server

/etc/ssh/config
/etc/ssh/sshdconfig
/etc/ssh/sshd
/etc/ssh/sshd_config

Answer 13

/etc/ssh/sshd_config

Question 14

If you need to enable the OpenSSH server to listen on a specific interface, which parameter should you edit in the /etc/ssh//sshd_config file?

Ipaddress
ListenAddress
Listinterface
Interface

Answer 14

ListenAddress

Question 15

You can use the ssh-keygen to generate the keys, which are then stored in ________.

~/.ssd
Ssh
Sshd_config
sshconfig

Answer 15

~/.ssd

Question 16

Which of the following is the private key?

Id.key
id_dsa.pub
id_dsa
id_dsa.sec

Answer 16

id_dsa

Question 17

If you use RSA instead of DSA, what will be the filename?

Id.key
id_rsa
id_dsa.pub
id_dsa
id_dsa.sec

Answer 17

id_rsa

Question 18

You execute the following command:
cat ../id_dsa.pub&raquo_space; authorized_keys
What will be the output?

The contents of the public ID will be added to authorized_keys.

A new file named authorized_keys will be created.

The authorized_keys file will contain the name of the public ID.

A duplicate file of id_dsa.pub will be created.

Answer 18

The contents of the public ID will be added to authorized_keys.