Data Communication

Coaxial and fiber cables are examples of media:

• (A) Guided
• (B) Router
• (C) Un-guided
• (D) Simplex

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Intermal modem is connected to:

• (A) DCE cable
• (B) RJ 45 cable
• (C) RS 232 serial port
• (D) DTE cable

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Data transmission speed of wire pair is:

• (A) 9600 bps
• (B) 9500 bps
• (C) 3600 bps
• (D) 3500 bps

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Frequency is measured in:

• (A) Channels
• (B) Hertz
• (C) Bandwidth
• (D) Baud

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A set of raw, unprocessed facts, figures and symbols is called:

• (A) Information
• (B) Data
• (C) Instruction
• (D) Code

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To send data, instruction and information you need a:

• (A) Sending device
• (B) Receiving device
• (C) Channel device
• (D) Communication device 

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An arrangement in which data is transmitted in both directions at a time is called:

• (A) Simplex
• (B) Full duplex
• (C) Half duplex
• (D) Multi-duplex

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Analog signal is measured in:

• (A) Volts
• (B) Pulses
• (C) Hertz
• (D) WATTS

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Data is transmitted block by block in:

• (A) Asynchronous mode
• (B) Synchronous mode
• (C) Communication mode
• (D) Satellite mode

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Microwave and Communication Satellite are examples of:

• (A) Guided
• (B) Un-guided
• (C) Simplex
• (D) Router

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