Deck 15: Configuring Network Services and Security

Question 1

The ____ httpd.conf directive specifies that the index.html file in the document root directory will be sent to clients who request an HTML document.

A)DirectoryIndex index.html
B)DocumentRoot index.html
C)Index index.html
D)UseIndex index.html

Answer 1

A

Question 2

The ____ command displays all routers between the current computer and a remote computer.

A)route
B)maproute
C)findroute
D)traceroute

Answer 2

D

Question 3

By default, the smb.conf file shares all printers and home directories for recognized Windows users.

Answer 3

True

Question 4

Running background processes using the ____ command allows you to exit your command-line shell without ending any background processes.

A)continue
B)noshell
C)nokill
D)nohup

Question 5

The ____ zone configuration file contains a PTR record used to identify the loopback adapter.

A)/var/named/named.ca
B)/etc/named.conf
C)/var/named/named.local
D)/etc/named.loop

Question 6

To see what network services are running on your network, you can run the ____ command.

A)nmap
B)map
C)networkmap
D)nm

Question 7

All DNS servers contain a DNS cache file.

Question 8

Large network daemons that are not started by the Internet Super Daemon and called ____ daemons.

A)self-sufficient
B)independent
C)autonomous
D)stand-alone

Question 9

The ____ command can be used to switch your current user account to another.

A)swu
B)sudo
C)su
D)switchu

Question 10

The FTP Server network service is a stand-alone service.

Question 11

When configuring FTP, anonymous FTP access is granted by default.

Question 12

The ____ network service allows computers on a network the ability to share one connection to the Internet.

A)Squid Proxy Server
B)Samba Server
C)X Server
D)NIS Server

Question 13

HTTP uses port ____.

A)TCP 20
B)TCP 25
C)TCP 80
D)TCP 110

Question 14

The ____ network service resolves fully qualified domain names to IP addresses for a certain namespace on the Internet.

A)DHCP Server
B)Apache Web Server
C)BIND / DNS Server
D)NIS Server

Question 15

The ____ IDS is a PERL-based program that is designed to work with AIDE to check the integrity of Linux computers remotely across a network.

A)Snort
B)SWATCH
C)PortSentry
D)ICU

Question 16

If some users, such as software developers, need to run certain commands as the root user in certain situations, it is best to allow them to log on to the root user account via the su command.

Question 17

DNS uses ports ____.

A)TCP 20, 21
B)TCP 53, UDP 53
C)TCP 80, 81
D)TCP 69, UDP 69

Question 18

A(n)____ is a program that can start a network daemon.

A)network bootstrapper
B)TCP wrapper
C)IP wrapper
D)daemon launcher

Question 19

The ____ option to the iptables command can be used to specify the default policy for a certain chain type.

A)-P
B)-C
C)-p
D)-c

Question 20

The ____ option to the iptables command can be used to specify the destination address of packets for a rule.

A)-D
B)-L
C)-F
D)-d

Question 21

What is NIS? What is a master and slave NIS server? Give examples of configuration files that NIS is commonly used to coordinate.

Question 22

The ____________________ is typically used to start and manage connections for smaller network daemons such as the telnet, rlogin, and FTP daemons.

Question 23

____ is an IDS that involves modifying the Linux kernel to increase process and file security as well as detect security breaches.

A)ICU
B)LIDS
C)SWATCH
D)PortSentry

Question 25

A(n)____________________ number uniquely identifies a particular service.

Question 26

How does DHCP automatically configure IP addresses?

Question 27

What are the five main types of encryption supported by sshd?

Question 28

What methods can be used to physically secure local computers?

Question 29

The first DNS server in a zone is called the ____________________ DNS server.

Question 30

To share information to Windows client computers, you can use the ____________________ daemon, which emulates the SMB protocol.

Question 31

Computers that have more than one network interface are called ____________________ hosts.

Question 32

How can netfilter/iptables be used to create a firewall service?