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the Physical layer

You have an account in your machine with user id of 0, but it is not root. Will this user have superuser previleges ?

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X windows maps to which OSI layer ? a. application b. presentation c. session d. transport e. network

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Which layer of the OSI model defines how cable is attached to a network adapter card?

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What is ICMP ?

2 Answers   Elgi Equipments,

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Which command causes in.named to increase its debug level by 1 ?

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List 3 session layer standards

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Why does a high number of broadcast messages adversely affect overall network performance? a. Each broadcast message requires an acknowledgement packet from every computer on the network b. No computer on the network can transmit data until each broadcast message has been acknowledged by every computer on the network c. Broadcast messages are automatically routed to every segment of a LAN d. Every computer on the network must process each broadcast message

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Which layer establishes end-to-end connection ? a. network b. transport c. physical d. data-link

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Explain the difference between hub and a switch?

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You try "ping server1" and you get "unknown host server1" . Why ?

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salient feature of network administrator

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What device can be installed in your network to resolve a broadcast storm?

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