Deck 24: B: Extension: A Networks and Telecommunications

Question 1

Packet-switching occurs when the sending computer divides a message into a number of efficiently sized units of data called packets, each of which contains the address of the destination computer.

Answer 1

True

Question 2

A peer-to-peer network is a model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients.

Answer 2

False

Question 3

A network topology refers to the geometric arrangement of the actual physical organization of the computers and other network devices in a network.Topologies vary depending on cost and functionality.

Answer 3

True

Question 4

Media includes coaxial, twisted-pair, and fiber-optic.

Question 5

A hub is a computer designed to request information from a server.A server is a computer dedicated to providing information in response to requests.

Question 6

Topology includes peer-to-peer networks and client/server networks.

Question 7

Protocols includes bus, star, ring, hybrid, and wireless.

Question 8

A network operating system (NOS) is the operating system that runs a network, steering information between computers and managing security and users.

Question 9

Telecommunication systems enable the transmission of data over public or private networks.

Question 10

A protocol is a standard that specifies the format of data as well as the rules to be followed during transmission.

Question 11

A peer-to-peer (P2P) network is a computer network that relies on the computing power and bandwidth of the participants in the network rather than on a centralized server.

Question 12

Cable is the medium to connect all of the computers.

Question 13

A wide area network (WAN) spans a large geographic area, such as a state, province, or country.WANs often connect multiple smaller networks, such as local area networks or metropolitan area networks.The world's most popular WAN is the Internet.A metropolitan area network (MAN) is a large computer network usually spanning a city.

Question 14

File Transfer Protocol (FTP) allows files containing text, programs, graphics, numerical data, and so on to be downloaded off or uploaded onto a network.

Question 15

A network is a communications system created by linking two or more devices and establishing a standard methodology by which they can communicate.

Question 16

A WAN is a card that plugs into the back (or side) of your computers and lets them send and receive messages from other computers.

Question 17

Architecture include Ethernet and transmission control protocol/Internet protocol (TCP/IP).

Question 18

A hub (switch or router) is the hardware to perform traffic control.

Question 19

A router is an intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination.

Question 20

A MAN is a set of communication rules to make sure that everyone speaks the same language.

Question 21

What is a network?

A)A system that enables the transmission of data over public or private networks.
B)A communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together.
C)Any network without a central file server and in which all computers in the network have access to the public files located on all other workstations.
D)A computer that is designed to request information from a server.

Question 22

A protocol is the capability of two or more computer systems to share data and resources, even though they are made by different manufacturers.

Question 23

Fiber optic (or optical fiber) refers to the technology associated with the transmission of information as light pulses along a glass wire or fiber.

Question 24

File transfer protocol (FTP) allows files containing text, programs, graphics, numerical data, and so on to be downloaded off or uploaded onto a network.

Question 25

Hypertext transfer protocol (HTTP) allows web browsers and servers to send and receive web pages.

Question 26

Simple mail transfer protocol (SMTP) is TCP/IP's own messaging system for email.

Question 27

Network transmission media refers to the various types of media used to carry the signal between computers.

Question 28

The application layer serves as the window for users and application processes to access network services.

Question 29

Coaxial cable refers to a type of cable composed of four (or more) copper wires twisted around each other within a plastic sheath.

Question 30

Twisted-pair cable can carry a wide range of frequencies with low signal loss.It consists of a metallic shield with a single wire placed along the center of a shield and isolated from the shield by an insulator.

Question 31

The network interface layer places data packets on the network for transmission.

Question 32

The application layer handles end-to-end packet transportation.

Question 33

What is a telecommunications system?

A)A system that enables the transmission of data over public or private networks.
B)A communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together.
C)Any network without a central file server and in which all computers in the network have access to the public files located on all other workstations.
D)A computer that is designed to request information from a server.

Question 34

Simple network management protocol (SNMP) allows networked nodes to be managed from a single point.

Question 35

A WAN is a physical and data layer technology for LAN networking.

Question 36

Which of the following is not one of the differentiating factors of a network?

A)Architecture
B)Topology
C)Protocols
D)Telecommunication system

Question 37

Wireless media are transmission materials manufactured so that signals will be confined to a narrow path and will behave predictably.

Question 38

FTP provides terminal emulation that allows a personal computer or workstation to act as a terminal, or access device, for a server.

Question 39

The transport layer formats the data into packets, adds a header containing the packet sequence and the address of the receiving device, and specifies the services required from the network.

Question 40

Transmission control protocol/Internet protocol (TCP/IP) provides the technical foundation for the public Internet as well as for large numbers of private networks.

Question 41

What allows the management of networked nodes to be managed from a single point?

A)File transfer protocol (FTP)
B)Simple mail transfer protocol (SMTP)
C)Hypertext transfer protocol (HTTP)
D)Simple network management protocol (SNMP)

Question 42

What runs a network, steering information between computers and managing security and users?

A)Client
B)Server
C)Peer-to-peer network
D)Network operating system

Question 43

Which of the following is not a network topology?

A)Bus
B)Ring
C)Ethernet
D)Star

Question 44

What occurs when the sending computer divides a message into a number of efficiently sized units called packets, each of which contains the address of the destination computer?

A)Client
B)Packet-switching
C)Peer-to-peer network
D)Network operating system

Question 45

Which of the following represents the ring topology?

A)All devices are connected to a central cable or backbone.
B)All devices are connected to a central device, called a hub.
C)All devices are connected to one another in the shape of a closed loop, so that each device is connected directly to two other devices, one on either side of it.
D)Groups of star-configured workstations are connected to a linear bus backbone cable.

Question 46

What allows files containing text, programs, graphics, numerical data, and so on to be downloaded off or uploaded onto a network?

A)File transfer protocol (FTP)
B)Simple mail transfer protocol (SMTP)
C)Hypertext transfer protocol (HTTP)
D)Simple network management protocol (SNMP)

Question 47

What is network topology?

A)A phenomenon that occurs when the sending computer divides a message into a number of efficiently sized units called packets, each of which contains the address of the destination computer.
B)An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination.
C)Refers to the geometric arrangement of the actual physical organization of the computers and other network devices in a network.
D)A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients.

Question 48

What is a client/server network?

A)A series of efficiently sized units, each of which contains the address of the destination computer.
B)An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination.
C)The geometric arrangement of the actual physical organization of the computers and other network devices in a network.
D)A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients.

Question 49

What is TCP/IP's own messaging system for email?

A)File transfer protocol (FTP)
B)Simple mail transfer protocol (SMTP)
C)Hypertext transfer protocol (HTTP)
D)Simple network management protocol (SNMP)

Question 50

What is packet-switching?

A)Occurs when the sending computer divides a message into a number of efficiently sized units called packets, each of which contains the address of the destination computer.
B)An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination.
C)Refers to the geometric arrangement of the actual physical organization of the computers and other network devices in a network.
D)A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients.

Question 51

What is a large computer network usually spanning a city?

A)Client/server network
B)Corporate network
C)Metropolitan area network
D)Peer-to-peer network

Question 52

What spans a large geographic area, such as a state, province, or country?

A)Local area network
B)Wide area network
C)Metropolitan area network
D)Peer-to-peer network

Question 53

What is a protocol?

A)An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination.
B)The geometric arrangement of the actual physical organization of the computers and other network devices in a network.
C)A standard that specifies the format of data as well as the rules to be followed during transmission.
D)The capability of two or more computer systems to share data and resources, even though they are made by different manufacturers.

Question 54

What is a client?

A)A system that enables the transmission of data over public or private networks.
B)A communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together.
C)Any network without a central file server and in which all computers in the network have access to the public files located on all other workstations.
D)A computer that is designed to request information from a server.

Question 55

What is a computer that is designed to request information from a server?

A)Client
B)Packet-switching
C)Peer-to-peer network
D)Network operating system

Question 56

What is a peer-to-peer network?

A)A system that enables the transmission of data over public or private networks.
B)A communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together.
C)Any network without a central file server and in which all computers in the network have access to the public files located on all other workstations.
D)A computer that is designed to request information from a server.

Question 57

What is interoperability?

A)An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination.
B)The geometric arrangement of the actual physical organization of the computers and other network devices in a network.
C)A standard that specifies the format of data as well as the rules to be followed during transmission.
D)The capability of two or more computer systems to share data and resources, even though they are made by different manufacturers.

Question 58

What is a router?

A)A series of efficiently sized units, each of which contains the address of the destination computer.
B)An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination.
C)The geometric arrangement of the actual physical organization of the computers and other network devices in a network.
D)A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients.

Question 59

What is designed to connect a group of computers in close proximity to each other such as in an office building, a school, or a home?

A)Local area network
B)Wide area network
C)Metropolitan area network
D)Peer-to-peer network

Question 60

Which of the following represents the bus topology?

A)All devices are connected to a central cable or backbone.
B)All devices are connected to a central device, called a hub.
C)All devices are connected to one another in the shape of a closed loop, so that each device is connected directly to two other devices, one on either side of it.
D)Groups of star-configured workstations are connected to a linear bus backbone cable.

Question 61

What is cable that can carry a wide range of frequencies with low signal loss?

A)Twisted-pair wiring
B)Coaxial cable
C)Fiber-optic cable
D)Transmission control protocol/internet protocol

Question 62

What refers to the technology associated with the transmission of information as light impulses along a glass wire or fiber?

A)Twisted-pair wiring
B)Coaxial cable
C)Fiber-optic cable
D)Wireless media

Question 63

Which of the following represents the TCP/IP four-layer reference model?

A)Application, Internet, transport, network interfaces
B)Application, Internet, network interfaces, transport
C)Application, transport, Internet, network interfaces
D)Application, network interfaces, Internet, transport

Question 64

How many layers does the OSI model contain?

A)Four
B)Seven
C)Ten
D)Eleven

Question 65

List and describe the four components that differentiate networks.

Question 66

What refers to the technology associated with the transmission of information as light impulses along a glass wire or fiber?

A)Twisted-pair wiring
B)Coaxial cable
C)Fiber-optic cable
D)Transmission control protocol/internet protocol

Question 67

What is transmission material manufactured so that signals will be confined to a narrow path and will behave predictably?

A)Wire media
B)Network transmission media
C)Fiber-optic cable
D)Transmission control protocol/internet protocol

Question 68

Describe TCP/IP along with its primary purpose.

Question 69

What refers to a type of cable composed of four (or more) copper wires twisted around each other within a plastic sheath?

A)Twisted-pair cable
B)Coaxial cable
C)Fiber-optic cable
D)Transmission control protocol/internet protocol

Question 70

Which of the following is not a commonly used type of guided media?

A)Twisted-pair wiring
B)Coaxial cable
C)Fiber-optic cable
D)Transmission control protocol/internet protocol

Question 71

Identify the different media types found in networks.

Question 72

What refers to a type of cable composed of four copper wires twisted around each other within a plastic sheath?

A)Twisted-pair wiring
B)Network transmission media
C)Fiber-optic cable
D)Transmission control protocol/internet protocol

Question 73

Compare LANs, WANs, and MANs.

Question 74

What refers to the various types of media used to carry the signal between computers?

A)Twisted-pair wiring
B)Network transmission media
C)Fiber-optic cable
D)Transmission control protocol/internet protocol

Question 75

Compare the two types of network architectures.

Question 76

What allows web browsers and servers to send and receive web pages?

A)File transfer protocol (FTP)
B)Simple mail transfer protocol (SMTP)
C)Hypertext transfer protocol (HTTP)
D)Simple network management protocol (SNMP)

Question 77

Explain topology and the different types found in networks.