Q261
Open questionWhich of the following is not a transmission medium?
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Q262
Open questionWhich of the following statement is incorrect?
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Q263
Open questionA batch processing terminal would not include a
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Q264
Open questionPacket Switch Stream (PSS) was introduced in
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Q265
Open questionThe physical layer of a network
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Q266
Open questionWhich of the following allows devices on one network to communicate with devices on another network?
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Q267
Open questionAn error detecting code is which code is the remainder resulting from dividing the bits to be checked by a predetermined binary number, is known as
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Q268
Open questionBulletin board system
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Q269
Open questionIn OSI model, which of the following layer provides error-free delivery of data?
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Q270
Open questionError detection at the data link level is achieved by?
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Q271
Open questionThe area of coverage of a satellite radio beam is known as
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Q272
Open questionWhich of the following data transmission media has the largest terrestrial range without the use of repeaters or other devices?
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Q273
Open questionWhat is the minimum number of wires needed to send data over a serial communication link layer?
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Q274
Open questionThe _____ layer is the layer closest to the transmission medium.
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Q275
Open questionWhat is the name of the device that connects two computers by means of a telephone line?
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Q276
Open questionWhat is the main difference between DDCMP and SDLG?
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Q277
Open questionOn a class B network, how many subnets are available with a subnet mask of 248?
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Q278
Open questionEthernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.
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Q279
Open questionIn a _____ topology, if there are n devices in a network, each device has n - 1 ports for cables.
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Q280
Open questionTypewriter terminals can print computer-generated data at a rate of
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