Deck 11: Networks and Telecommunications

Question 1

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 1

True
Explanation: 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 2

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

Answer 2

True
Explanation: 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 3

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.

Answer 3

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

Question 4

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 5

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 6

Cable is the medium to connect all of the computers.

Question 7

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 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

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

Question 10

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

Question 11

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

Question 12

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

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

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

Question 15

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 16

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

Question 17

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

Question 18

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 19

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

Question 20

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

Question 21

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

Question 22

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

Question 23

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

Question 24

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 25

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 26

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

Question 27

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

Question 28

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 29

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

Question 30

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 31

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

Question 32

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 33

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 34

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

Question 35

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 36

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 37

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

Question 38

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

A)architecture
B)topology
C)protocols
D)telecommunication system

Question 39

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

Question 40

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

Question 41

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)a reference 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 42

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 43

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 44

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 45

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 46

What is a client/server network?

A)a device whereby 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)a reference 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 47

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 48

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

A)application, Internet, transport, network interface
B)application, Internet, network interface, transport
C)application, transport, Internet, network interface
D)application, network interface, Internet, transport

Question 49

What is packet-switching?

A)the occurrence 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)a reference 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 50

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 51

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 52

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 53

What is a client?

A)a network 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 54

What is network topology?

A)the occurrence 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)a reference 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 55

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)a reference 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 56

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 57

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 58

Which of the following is not a network topology?

A)bus
B)ring
C)ethernet
D)star

Question 59

What is a peer-to-peer network?

A)a network 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 60

What is a router?

A)a device whereby 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)a reference 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 61

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 62

Describe TCP/IP along with its primary purpose.

Question 63

Explain topology and the different types found in networks.

Question 64

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 65

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 66

Identify the different media types found in networks.

Question 67

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 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

Compare LANs, WANs, and MANs.

Question 70

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 71

How many layers does the OSI model contain?

A)four
B)seven
C)ten
D)eleven

Question 72

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 73

List and describe the four components that differentiate networks.

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.