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What is the minimum number of wires needed to send data over a serial communication link layer?

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Important Questions on Data Communication Networking

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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 9 - Data Communication Networking>Exercise>Q 55
A communication device that combines transmissions from several I/O devices into one line is a:
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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 9 - Data Communication Networking>Exercise>Q 56
How much power (roughly) a light emitting diode can couple into an optical fiber?
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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 9 - Data Communication Networking>Exercise>Q 57
The synchronous modems are more costly than the asynchronous modems because:
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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 9 - Data Communication Networking>Exercise>Q 58
Which of the following statement is correct?
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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 9 - Data Communication Networking>Exercise>Q 59
In a synchronous modem, the digital-to-analog converter transmits signal to the _____.
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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 9 - Data Communication Networking>Exercise>Q 60
Which of the following communication lines is best suited to interactive processing applications?
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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 9 - Data Communication Networking>Exercise>Q 61
_____ is a form of denial of service attack in which a hostile client repeatedly sends SYN packets to every port on the server using fake IP addresses.
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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 9 - Data Communication Networking>Exercise>Q 62
Which of the following can not be a part of an email address?