Communication and Internet Technologies
35 questions· page 1 of 4
The Application Layer and Transport Layer are two layers of the TCP/IP protocol suite.
Describe the purpose of the Application Layer and the purpose of the Transport Layer.
Purpose of Application Layer ....................................................................................................
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Purpose of Transport Layer ......................................................................................................
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Describe packet switching as a method of transmitting messages across the internet.
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Identify two different layers of the TCP/IP protocol suite.
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Describe how the TCP/IP protocol suite is applied when a message is sent through the internet from one host to another. Do not describe the function of individual layers of the TCP/IP protocol suite.
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Circuit switching may be used as a method of data transmission.
State two benefits and two drawbacks of circuit switching.
Benefit 1 ...........................................................................................................................................
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Benefit 2 ...........................................................................................................................................
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Drawback 1 ......................................................................................................................................
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Drawback 2 ......................................................................................................................................
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The Internet layer and Link layer are two layers of the TCP/IP protocol suite.
Describe the purpose of the Internet layer and the purpose of the Link layer.
Purpose of Internet layer ..........................................................................................................
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Purpose of Link layer ................................................................................................................
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Describe the function of a router in packet switching.
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Explain why protocols are essential for communication between computer systems.
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POP3 is an email communication protocol.
Identify and describe two other communication protocols that are used when sending or receiving emails.
Protocol 1 ..................................................................................................................................
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Protocol 2 ..................................................................................................................................
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Describe two ways in which packet switching ensures a complete message is received when passing messages across a network.
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HTTP and IMAP are examples of protocols used in the Application Layer of the TCP/IP protocol suite.
State the purpose of the HTTP and IMAP protocols.
HTTP ........................................................................................................................................
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IMAP .........................................................................................................................................
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Identify one benefit of circuit switching and one benefit of packet switching.
Circuit switching ........................................................................................................................
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Packet switching .......................................................................................................................
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Identify two differences between circuit switching and packet switching.
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Describe how packet switching is used to pass messages across a network. Do not include checking for completeness and resending packets in your answer.
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Identify and describe three protocols that are used in the Application Layer of the TCP/IP protocol suite.
Protocol 1 .........................................................................................................................................
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Protocol 2 .........................................................................................................................................
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Protocol 3 .........................................................................................................................................
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Describe the function of the Transport layer.
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Outline one protocol that is associated with the Application layer.
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