Deck 17: Networking in a Linux Environment

Question 1

A host can be the master server for more than one domain.

Answer 1

False

Question 2

A host can be a slave server for only one domain.

Answer 2

False

Question 3

A client belongs to only one domain.

Answer 3

True

Question 4

The Broken server setting is considered to be a security risk.

Question 5

For security reasons, automatic login should be enabled when using NIS.

Question 6

Databases that store shared configuration information related to NIS networks are called ____.

A) domains
B) mirrors
C) maps
D) portmappers

Question 7

The NIS ____ server, at the center of the NIS network, contains the NIS maps and makes them available over the network.

A) master
B) client
C) primary
D) central

Question 8

NIS ____ servers distribute the NIS master server's load more evenly.

A) slave
B) client
C) secondary
D) mirror

Question 9

The NIS ____ determines which NIS server should process the client request.

A) queue
B) domain
C) portmapper
D) driver

Question 10

For NIS to operate correctly, the RPC ____ must run on both the NIS client and server.

A) client
B) map
C) domain
D) portmapper

Question 11

When the NIS server starts, it communicates with the listening ____ and the RPC program number it's intended to serve.

A) IP address
B) queue
C) port
D) domain

Question 12

The RPC ____ uniquely identifies an RPC service.

A) domain name
B) program number
C) runlevel
D) port number

Question 13

If you want to make any changes in NIS maps, you have to make them on the NIS ____ server.

A) local
B) client
C) master
D) primary

Question 14

To start the YaST NIS Server module, use the ____ command.

A) start yast2 nis-srvr
B) start yast2 nis-server
C) yast2 nis-srvr
D) yast2 nis-server

Question 15

If a user wants to switch to another shell, the shell must be in the ____ configuration file.

A) /etc/group
B) /etc/protocols
C) /etc/shells
D) /etc/temp/shells

Question 16

After the NIS server and client are installed, the ____ directory is created on the same computer to store all the NIS maps.

A) /nis/srv
B) /etc/srv
C) /var/yp/
D) /maps

Question 17

What is the extension for the NIS map data file?

A) .dat
B) .mpd
C) .pag
D) .dir

Question 18

To start the NIS Client module, you use the ____ command.

A) start yast2 nis-clnt
B) start yast2 nis-client
C) yast2 nis-clnt
D) yast2 nis-client

Question 19

By default, NIS configuration is handled by the ____.

A) CUPS software
B) DHCP server
C) netconfig script
D) portmapper

Question 20

Unprivileged ports are ____ and higher.

A) 128
B) 256
C) 512
D) 1024

Question 21

A printer ____ is software used to manage the printer device.

A) driver
B) subroutine
C) domain
D) cookie

Question 22

A print ____ is a directory file where the printer daemon can store print jobs so that multiple users can use the same printer device.

A) driver
B) queue
C) domain
D) map

Question 23

A(n) ____ printer queue is located on another host in the network, not on your local computer.

A) local
B) confined
C) remote
D) offline

Question 24

Typically, CUPS is used to print with ____ print queues.

A) offline
B) remote
C) local
D) confined

Question 25

____ is used to assign IP addresses automatically for each network host.

A) DHCP
B) UDP
C) SMTP
D) TCP

Question 26

To start the DHCP module, you use the ____ command.

A) yast2 dhcp-server
B) yast2 dhcp
C) start yast2 -dhcp
D) start -dhcp

Question 27

____________________ is a client/server protocol that centralizes user and group IDs by providing database access so that network computers can share configuration information.

Question 28

All hosts in an NIS-based network, including the master and slave servers, are called NIS ____________________.

Question 29

A(n) ____________________ is a set of NIS maps shared by the NIS master and slave servers.

Question 30

The ____________________ provides a printing interface on a local network.

Question 31

A printer ____________________ is the physical printer that transfers a print job from a computer to actual hard copy.

Question 32

Match each statement with an item

-An NIS map that contains group-related information.

A) /etc/group
B) /etc/passwd
C) /etc/shadow
D) /etc/aliases
E) /etc/hosts
F) /etc/networks
G) /etc/protocols
H) /var/yp/Makefile
I) /var/yp/securenets

Question 33

Match each statement with an item

-An NIS map that contains user attributes.

A) /etc/group
B) /etc/passwd
C) /etc/shadow
D) /etc/aliases
E) /etc/hosts
F) /etc/networks
G) /etc/protocols
H) /var/yp/Makefile
I) /var/yp/securenets

Question 34

Match each statement with an item

-An NIS map that contains encrypted passwords for users whose attributes are in the /etc/passwd file.

A) /etc/group
B) /etc/passwd
C) /etc/shadow
D) /etc/aliases
E) /etc/hosts
F) /etc/networks
G) /etc/protocols
H) /var/yp/Makefile
I) /var/yp/securenets

Question 35

Match each statement with an item

-An NIS map that is used with the mail service.

A) /etc/group
B) /etc/passwd
C) /etc/shadow
D) /etc/aliases
E) /etc/hosts
F) /etc/networks
G) /etc/protocols
H) /var/yp/Makefile
I) /var/yp/securenets

Question 36

Match each statement with an item

-An NIS map that contains hostnames and IP addresses of computers connected over a TCP/IP network.

A) /etc/group
B) /etc/passwd
C) /etc/shadow
D) /etc/aliases
E) /etc/hosts
F) /etc/networks
G) /etc/protocols
H) /var/yp/Makefile
I) /var/yp/securenets

Question 37

Match each statement with an item

-An NIS map that contains NIS network names.

A) /etc/group
B) /etc/passwd
C) /etc/shadow
D) /etc/aliases
E) /etc/hosts
F) /etc/networks
G) /etc/protocols
H) /var/yp/Makefile
I) /var/yp/securenets

Question 38

Match each statement with an item

-An NIS map that identifies the names and numbers assigned to network protocols.

A) /etc/group
B) /etc/passwd
C) /etc/shadow
D) /etc/aliases
E) /etc/hosts
F) /etc/networks
G) /etc/protocols
H) /var/yp/Makefile
I) /var/yp/securenets

Question 39

Match each statement with an item

-An NIS configuration file that is used to push updated maps to the NIS slave server.

A) /etc/group
B) /etc/passwd
C) /etc/shadow
D) /etc/aliases
E) /etc/hosts
F) /etc/networks
G) /etc/protocols
H) /var/yp/Makefile
I) /var/yp/securenets

Question 40

Match each statement with an item

-An NIS configuration file that specifies NIS clients' access rights to the NIS server.

A) /etc/group
B) /etc/passwd
C) /etc/shadow
D) /etc/aliases
E) /etc/hosts
F) /etc/networks
G) /etc/protocols
H) /var/yp/Makefile
I) /var/yp/securenets

Question 41

Explain how NIS uses Remote Procedure Calls (RPC) technology.

Question 42

Briefly explain how to obtain an NIS client and an NIS server.

Question 43

In the Master server Setup window, describe the "Allow changes to passwords" option.

Question 44

What is the purpose of the NIS Server Query Hosts Setup window?

Question 45

What file are contained in each NIS map?

Question 46

How do you modify the NIS configuration?

Question 47

Briefly describe the Netconfig tool.

Question 48

Explain why you would select the Broadcast check box when configuring an NIS client.

Question 49

Briefly describe how Common UNIX Printing System (CUPS) works.

Question 50

Summarize the settings you can make in the DHCP module windows.