Deck 25: Networks and Telecommunications

Question 1

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

Answer 1

D
Explanation: This is the definition of network operating system.

Question 2

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

Answer 2

B
Explanation: This is the definition of network.

Question 3

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

Answer 3

C
Explanation: This is the definition of network topology.

Question 4

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 5

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 6

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 7

Which of the following is not a network topology?

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

Question 8

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 9

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 10

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 11

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 12

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 13

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 14

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

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

Question 15

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 16

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 17

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 18

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 19

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 20

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 21

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

Question 22

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 23

Packet-switching 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 24

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 25

A ____________ network topology has groups of star-configured workstations connected to a linear bus backbone cable.

Question 26

Transmission control protocol/_________ protocol provides the technical foundation for the public Internet as well as for large numbers of private networks.

Question 27

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 28

What is interoperability?

A) Contains a repertoire of web-based data and procedural resources that use shared protocols and standards permitting different applications to share data and services
B) The capability of two or more computer systems to share data and resources, even though they are made by different manufacturers
C) A broad, general term that describes nonproprietary IT hardware and software made available by the standards and procedures by which their products work, making it easier to integrate them
D) A computer system designed that in the event a component fails, a backup component or procedure can immediately take its place with no loss of service

Question 29

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 30

Simple Mail Transfer Protocol (SMTP)is TCP/IP's own messaging system for email.Telnet Protocol provides terminal emulation that allows a personal computer or workstation to act as a terminal,or access device,for a server.

Question 31

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 32

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

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

Question 33

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 34

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 35

Hypertext Transfer Protocol (HTTP)uses TCP/IP technology to transmit voice calls over long-distance telephone lines.

Question 36

A ____________ area network (MAN)is a large computer network usually spanning a city.

Question 37

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

Question 38

____________ is a physical and data layer technology for LAN networking.

Question 39

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

Question 40

How many layers does the OSI model contain?

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

Question 41

Explain topology and the different types found in networks.

Question 42

Explain the need for interoperability and loose coupling in building today's IT systems.

Question 43

Compare LANs,WANs,and MANs.

Question 44

Architecture,____________,protocols,and media are the four network differentiators.

Question 45

Describe TCP/IP along with its primary purpose.

Question 46

List and describe the four components that differentiate networks.

Question 47

There are ____________ layers in the OSI model.

Question 48

Identify the different media types found in networks.

Question 49

Compare the two types of network architectures.