Data Communication & Network MCQs
Data Communication & Network MCQs
The following Data Communication & Network MCQs have been compiled by our experts through research, in order to test your knowledge of the subject of Data Communication & Network. We encourage you to answer these 20 multiple-choice questions to assess your proficiency.
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1: The wireless lan term for a collection of multiple basic service sets is ____.
A. Multiple Service Set (MSS)
B. Extended Service Set (ESS)
C. Basic Service Set (BSS)
D. Complex Service Set (CSS)
2: Stop-and-wait arq uses ___________ type of data flow.
A. Full duplex
B. Half duplex
C. Simple half duplex
D. Simple full duplex
3: The interval during which the signals propagate down the bus and back is the ____.
A. Exponential backoff
B. Attenuation
C. Collision window
D. Bounce window
4: A ________ is a collection of computers connected to one another or to a common connection medium.
A. Network
B. Analyzer
C. PC connection
D. None of these
5: A _____ is a hardware device that allows several nodes to share one communication channel.
A. Database
B. Controller
C. Client system
D. Multiplexer
6: A _____ is a link between devices connected to a computer.
A. Bus
B. Disk drive
C. Control Unit
D. Motherboard
7: A _____ links computer resources using either a wired or wireless connection.
A. Hardware
B. Software
C. Printer
D. Network
8: A ______ has a similar role to a hub.
A. Ethernet Switch
B. Bridge
C. Router
D. Repeater
9: A ________ sends data from one collision domain to another.
A. Bridge
B. Link
C. Router
D. Switch
10: A ________ topology uses more than one topology when building a network.
A. Bus
B. Hybrid
C. Star
D. Mesh
11: A ____ multiplexes 24 input channels together onto one high-speed telephone line.
A. T-1 system
B. SONET system
C. SDH system
D. Congruent system
12: The typical maximum distance between microwave towers is roughly ____ to 30 miles.
A. 3
B. 6
C. 8
D. 15
13: The most basic error-detection techniques are parity checks, which are used with ____ connections.
A. Synchronous
B. Asynchronous
C. Statistical
D. Fiber-optic
14: When a signal is amplified by an amplifier, the signal gains in ____.
A. Decibels
B. Hertz
C. Bytes
D. Watts
15: ____ technique is also known as disk mirroring.
A. RAID-0
B. RAID-1
C. RAID-3
D. RAID-5
16: _______ is a term relating to sending data to a satellite.
A. Downlink
B. Modulate
C. Demodulate
D. Uplink
17: A ____ is a device that interconnects two segments of local area networks and acts as a filter.
A. router
B. satellite
C. switch
D. hub
18: According to one rule of thumb, ______ percent of circuit loading information is easy to gather.
A. 50
B. 25
C. 80
D. 19
E. 20
19: In a payback analysis, the ____ cost is a one-time cost that occurs in year 0.
A. Operation and Maintenance
B. Time-Adjusted
C. Development
D. Cumulative Time-Adjusted
20: A direct connection between a terminal and a mainframe computer is a ____ connection.
A. Multipoint
B. Point-to-point
C. Single-point
D. Direct-point
21: An arithmetic checksum _______ the individual characters to be transmitted.
A. Adds
B. Inverts
C. Multiplies
D. Divides
22: At the end of the data character, one or two ____ bits are added to signal the end of the frame.
A. Start
B. Check
C. Parity
D. Stop
23: A new parameter that might have an impact on metropolitan area design is the ____.
A. Availability
B. Tangible
C. Failover time
D. Sniffer
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Data Communication & Network MCQs
