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Computer Science Fundamentals Questions - Computer Networks

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Which one of the following do most data communications involving telegraph lines use?
Computer Science Fundamentals Computer Networks Objective
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The loss in signal power as light travels down the fiber is termed as:
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Which one of the following communications line is best suited to interactive processing applications?
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What are examples of an analog communication method?
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Avalanche photodiode receivers can detect bits of transmitted data by receiving:
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What does the Internet Control Message Protocol (ICMP) perform:
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What is an example of a medium speed, switched communications service?
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Frames from one LAN can be transmitted to another LAN via which device:
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In which of the following OSI network architecture,the routing is performed:
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Which one of the following is required to communicate between two computers?
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In communication satellite, multiple repeaters are called as:
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What is the purpose of a firewall on computer networks?
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What technology do we use to make telephone calls over the Internet?
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What is Parity?
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What is Wi-Fi?
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