Exam 24: B: Extension: A Networks and Telecommunications

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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.

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Describe TCP/IP along with its primary purpose.

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

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

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

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

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Which of the following represents the ring topology?

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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.

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

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Explain topology and the different types found in networks.

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What is a large computer network usually spanning a city?

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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.

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Identify the different media types found in networks.

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What is a network?

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

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

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

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