IT Exam Items Repository

A computer has to send a packet to a destination host in the same LAN. How will the packet be sent?
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If the default gateway is configured incorrectly on the host, what is the impact on communications?
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Which feature on a Cisco router permits the forwarding of traffic for which there is no specific route?
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What routing table entry has a next hop address associated with a destination network?
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What network address and subnet mask combination would be used to create a default static route that matches any IPv4 destination?
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How do hosts ensure that their packets are directed to the correct network destination?
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A technician has been asked to develop a physical topology for a network that provides a high level of redundancy. Which physical topology requires that every node is attached to every other node on the network?
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In what communication mode does an Ethernet switch operate by default?
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Which statement describes an extended star topology?
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Although CSMA/CD is still a feature of Ethernet, why is it no longer necessary?
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You are asked to document your school network. What type of topology diagram would you draw to show how devices are connected to the network?
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When troubleshooting network problems, where would a network administrator find the configuration information, such as the computer names and the IP addresses that are used?
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What is CSMA/CA on a network?
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Two network interns are working for a company that is installing new networks with both copper and fiber-optic cabling. The interns are reviewing information in preparation for the work. What is a property of a fiber-optic connector?
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How do goodput, throughput, and bandwidth relate to network data transmissions?
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