In what type of network is a broadcast storm likely to occur?

• A.All of the above.
• B.An ATM network.
• C.An Ethernet network with redundant paths not running STP.
• D.A SONET network.

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An Ethernet Local Area Network (LAN) consists of the components shown in the diagram. How many collision domains are on this LAN?

• A.6
• B.5
• C.2
• D.1

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Which application below would be likely to use UDP ?

• A.Email application.
• B.Real-time audio application such as VoIP.
• C.Web browser.
• D.Telnet.

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Which Ethernet frame field allows the transmitter and receiver to synchronize communications?

• A.Frame Check Sequence
• B.Start Frame Delimiter
• C.Length/Type
• D.Preamble

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What is the purpose of the Data Link Layer in the OSI model?

• A.The Data Link Layer is responsible for encapsulating the packet into a frame for transmission on the transmission media.
• B.The Data Link Layer is responsible for encapsulating the packet into an IP header and routing the packet.
• C.The Data Link Layer is responsible for formatting the packet for applications such as JPEG format.
• D.The Data Link Layer is responsible for timing of the signals on the transmission media

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