Deck 11: Networks and Telecommunications

Question 1

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.

Answer 1

True
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 2

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.

Answer 2

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

Question 3

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 3

True
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.

Question 4

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

Question 5

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

Question 6

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

Question 7

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

Question 8

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

Question 9

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 a centralized server.

Question 10

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.

Question 11

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

Question 12

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

Question 13

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 14

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

Question 15

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 16

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

Question 17

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

Question 18

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

Question 19

Cable is the medium to connect all of the computers.

Question 20

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

Question 21

What is a telecommunications system?

A)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

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 23

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

Question 24

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

Question 25

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 26

What is a network?

A)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 27

Simple Network Management Protocol (SNMP)allows networked nodes to be managed from a single point.

Question 28

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

Question 29

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

Question 30

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

Question 31

Hypertext Transfer Protocol (HTTP)allows web browsers and servers to send and receive web pages.

Question 32

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

Question 33

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

Question 34

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 35

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

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

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 38

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

Question 39

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

Question 40

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 41

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 42

What is a client/server network?

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 43

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 44

What is a peer-to-peer network?

A)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 45

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 46

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 47

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 48

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 49

What is a client?

A)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 50

Which of the following is not a network topology?

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

Question 51

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)Refers to 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 52

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 53

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 54

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 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 router?

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 57

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)Refers to 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 network topology?

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 59

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 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

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 62

How many layers does the OSI model contain?

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

Question 63

Explain topology and the different types found in networks.

Question 64

List and describe the four components that differentiate networks.

Question 65

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 66

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 67

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 68

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 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

Compare LANs, WANs, and MANs.

Question 71

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 72

Compare the two types of network architectures.

Question 73

Identify the different media types found in networks

Question 74

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 75

Describe TCP/IP along with its primary purpose.

Question 76

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 77

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