Deck 12: Behind the Scenes: Networking and Security in the Business World

Question 1

A ________ uses the Internet communications infrastructure to build a secure and private network.

A) PAN
B) WAN
C) VPN
D) HAN

Answer 1

C

Question 2

The computers in a lab on a floor of a building would be connected using a ________.

A) WAN
B) LAN
C) MAN
D) PAN

Answer 2

B

Question 3

In an Ethernet network, the signal that is sent to indicate a signal collision is called a ________ signal.

A) hit
B) crash
C) stop
D) jam

Answer 3

D

Question 4

________ cable is NOT subject to electromagnetic interference or radio frequency interference.

A) Twisted-pair
B) Fiber-optic
C) Polycarbonate
D) Coaxial

Question 5

A ________ network can contain servers as well as individual computers.

A) client/server
B) peer-to-peer
C) switch
D) distributed

Question 6

A(n) ________ server tracks who is logging on to the network as well as which services on the network are available to each user.

A) application
B) authentication
C) dedicated
D) file

Question 7

Which of the following is the most commonly used client/server network topology?

A) Star
B) Cluster
C) Ring
D) Hierarchical

Question 8

A ________ is a group of two or more computers, or nodes, designed to share information and resources.

A) router
B) bus
C) bridge
D) network

Question 9

________ is the amount of data that can be transmitted across a transmission medium in a certain amount of time.

A) Data capacity
B) Scalability
C) Bandwidth
D) Infusion

Question 10

A ________ is a set of rules for how information and communication are exchanged.

A) protocol
B) token
C) frame
D) packet

Question 11

Which of the following is NOT a factor to consider when selecting network cabling?

A) Cable diameter
B) Interference
C) Maximum run length
D) Bandwidth

Question 12

In a ________ network, data collisions can occur fairly easily because the network is essentially composed of a single cable.

A) Star
B) Bus
C) Hierarchical
D) Cluster

Question 13

A(n) ________ server is a server that stores and manages files for network users.

A) file
B) e-mail
C) print
D) database

Question 14

A print server uses a print ________ as a software holding area for jobs waiting to be printed.

A) stack
B) spooler
C) logger
D) heap

Question 15

Ring networks use the ________ method to avoid data collisions.

A) packet screening
B) active-check
C) token
D) passive-check

Question 16

A ________ topology uses more than one topology when building a network.

A) hybrid
B) multiple-use
C) fusion
D) crossover

Question 17

For business networks, which of the following is NOT a main cable type?

A) Twisted-pair
B) Duplex
C) Coaxial
D) Fiber-optic

Question 18

In a ________ network, each node connected to the network communicates directly with every other node.

A) client/server
B) peer-to-peer
C) router
D) bridge

Question 19

Which of the following is NOT a common network topology?

A) Star
B) Cluster
C) Linear bus
D) Ring

Question 20

The ends of the cable in a bus network use a(n) ________ to absorb signals so that they are not reflected back to network components that have already received the signals.

A) endcap
B) terminator
C) stopper
D) block

Question 21

A library book reservation service is a good example of a use for a(n) ________ server.

Question 22

Packet ________ is a form of protection for your computer that looks at each packet that comes into your computer network.

A) viewing
B) sniffing
C) scanning
D) screening

Question 23

________ is the standard communications protocol used on most client/server networks.

A) Ethernet
B) NOS
C) TCP/IP
D) VPN

Question 24

A(n) ________ network is often the type of network that is set up in a home or very small business.

Question 25

A ________ sends data between two networks.

A) repeater
B) switch
C) hub
D) router

Question 26

________ technology places data packets inside other data packets.

Question 27

A ________ keeps your computer safe by determining who is trying to access it.

A) gateway
B) firewall
C) hub
D) switch

Question 28

A(n) ________ server is a server used to fulfill one specific purpose.

Question 29

A(n) ________ server is maintained by a hosting company and is connected to networks using the Internet.

Question 30

Most home networks use ________ cable, which is most susceptible to interference.

A) fiber-optic
B) unshielded twisted-pair
C) wi-fi
D) coaxial

Question 31

A(n) ________ is made up of two or more LANs that are miles apart.

Question 32

A(n) ________ server is used to host an Internet site.

Question 33

A(n) ________ address is the address that external entities use when communicating with your network.

A) ALU
B) MAC
C) WAP
D) IP

Question 34

________ means that additional users can easily be added without affecting the performance of the other network nodes.

Question 35

A(n) ________ server is a heavily secured server located between a company's secure internal network and its firewall.

A) transitional
B) armored
C) bastion host
D) proxy

Question 36

The physical address assigned each network adapter is called its ________.

A) network access control (NAC)
B) physical address control (PAC)
C) network physical address (NPA)
D) media access control (MAC)

Question 37

A(n) ________ is used exclusively within a corporation or organization.

Question 38

A ________ sends data from one collision domain to another.

A) switch
B) bridge
C) link
D) router

Question 39

Configuring an account to disable itself after a set number of login attempts using invalid passwords is a method of countering a ________.

A) brute force attack
B) spammer
C) worm
D) Trojan horse

Question 40

A(n) ________ is an area of an intranet to which only certain external corporations or individuals have access.

Question 41

P2P networks become difficult to manage when they exceed five users.

Question 42

A(n) ________ server acts as a liaison between an internal network and an external network.

Question 43

________ cable is the most costly to install.

Question 44

________ is the process that requires users to prove that they have permission to access a computer network.

Question 45

________ interference is a type of network interference for cable transmission media that can be caused by nearby television or radio signals.

Question 46

Fluorescent lights and machinery with motors or transformers are common sources of ________ emissions.

Question 47

A(n) ________ provides wireless devices with a sending and receiving connection point to the network.

Question 48

Retinal scanning is an example of ________ authentication.

Question 49

Because of its centralized design, a(n) ________ topology is the simplest to troubleshoot and repair.

Question 50

In a client/server network, each network node communicates directly with every other node on the network.

Question 51

A(n) ________ can often be equipped to act as a hardware firewall.

Question 52

In an active topology, each node helps to move data through a network.

Question 53

A(n) ________ cable contains a glass or plastic core.

Question 54

Data flows in both directions in a ring network.

Question 55

Identification badges and smart keys are examples of ________ objects that users carry to identify themselves and that allow them access to a computer system or computer facility.

Question 56

A ring topology is also known as a(n) ________ topology.

Question 57

A(n) ________ is a device that reads information from a magnetic strip on the back of a credit card-like identification card.

Question 58

An international company like Microsoft would use a MAN to connect all of its computers.

Question 59

A(n) ________ is a group of data packets that are sent together.

Question 60

NIC stands for ________.

Question 61

A facial-recognition scanner is an example of a biometric authentication device.

Question 62

MAC addresses and IP addresses are the same thing.

Question 63

Crosstalk interference is the tendency of signals on one twisted-pair wire to interfere with signals on the wire next to it.

Question 64

Since data transmissions can pass through fiber-optic cable in only one direction, at least two fibers are required to enable transmission of data in both directions.

Question 65

Wireless access points can provide coverage wherever employees are working with portable devices, such as in conference rooms.

Question 66

A bridge sends information between two networks.

Question 67

MAC addresses are restricted to Macintosh computers.

Question 68

Transmission media comprise the physical system that data take to flow between devices on the network.

Question 69

Worms often try to disguise from where they are sending data by using a bogus IP addresses instead of using an authorized IP address belonging to the network.

Question 70

A phishing attack is an attempt to access an account by repeatedly trying different passwords.