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Basic Data Communication & Network MCQ

1. A new parameter that might have an impact on metropolitan area design is the ____.

Answer

Correct Answer: Failover time

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2. At the end of the data character, one or two ____ bits are added to signal the end of the frame.

Answer

Correct Answer: Stop

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3. A direct connection between a terminal and a mainframe computer is a ____ connection.

Answer

Correct Answer: Point-to-point

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4. In a payback analysis, the ____ cost is a one-time cost that occurs in year 0.

Answer

Correct Answer: Development

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5. According to one rule of thumb, ______ percent of circuit loading information is easy to gather.

Answer

Correct Answer: 80

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6. A ____ is a device that interconnects two segments of local area networks and acts as a filter.

Answer

Correct Answer: ​switch

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7. _______ is a term relating to sending data to a satellite.

Answer

Correct Answer: Uplink

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8. ____ technique is also known as disk mirroring.

Answer

Correct Answer: RAID-1

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9. When a signal is amplified by an amplifier, the signal gains in ____.

Answer

Correct Answer: Decibels

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10. The most basic error-detection techniques are parity checks, which are used with ____ connections.

Answer

Correct Answer: Asynchronous

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11. The typical maximum distance between microwave towers is roughly ____ to 30 miles.

Answer

Correct Answer: 15

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12. A ____ multiplexes 24 input channels together onto one high-speed telephone line.

Answer

Correct Answer: T-1 system

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13. A ________ topology uses more than one topology when building a network.

Answer

Correct Answer: Hybrid

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14. A ________ sends data from one collision domain to another.

Answer

Correct Answer: Bridge

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15. A ______ has a similar role to a hub.

Answer

Correct Answer: Ethernet Switch

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16. A _____ links computer resources using either a wired or wireless connection.

Answer

Correct Answer: Network

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17. A _____ is a link between devices connected to a computer.

Answer

Correct Answer: Bus

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18. A _____ is a hardware device that allows several nodes to share one communication channel.

Answer

Correct Answer: Multiplexer

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19. A ________ is a collection of computers connected to one another or to a common connection medium.

Answer

Correct Answer: Network

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20. The interval during which the signals propagate down the bus and back is the ____.

Answer

Correct Answer: Collision window

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21. Stop-and-wait arq uses ___________ type of data flow.

Answer

Correct Answer: Half duplex

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22. The wireless lan term for a collection of multiple basic service sets is ____.

Answer

Correct Answer: Extended Service Set (ESS)

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