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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

E) A) and D)
F) None of the above

Correct Answer

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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.

A) True
B) False

Correct Answer

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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)

E) A) and B)
F) A) and C)

Correct Answer

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

A) True
B) False

Correct Answer

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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

E) None of the above
F) B) and D)

Correct Answer

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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

E) C) and D)
F) All of the above

Correct Answer

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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

E) B) and C)
F) B) and D)

Correct Answer

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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.

A) True
B) False

Correct Answer

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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

E) None of the above
F) B) and D)

Correct Answer

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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

E) A) and B)
F) All of the above

Correct Answer

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

A) True
B) False

Correct Answer

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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.

A) True
B) False

Correct Answer

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Cable is the medium to connect all of the computers.

A) True
B) False

Correct Answer

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

A) True
B) False

Correct Answer

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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.

A) True
B) False

Correct Answer

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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

E) None of the above
F) B) and D)

Correct Answer

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

A) True
B) False

Correct Answer

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