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1-
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Which OSI layer ensures reliable end-to-end delivery of data?
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A -
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Application
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B -
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Presentation
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C -
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Session
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D -
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Transport
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2-
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Which of the following statements describe the codes displayed in the show ip route command?
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A -
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I-Indicates a route was learned through an Internal protocol.
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B -
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S-Indicates a route was learned through static command.
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C -
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R-Indicates a route was learned through RIP.
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D -
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Both B & C
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3-
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Which of the following Ethernet standards can operate in full-duplex mode?
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A -
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100BaseT
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B -
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10BaseT
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C -
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10Base5
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D -
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Both A & B
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4-
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What is the correct order of protocol data units in data encapsulation?
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A -
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Data, Segment, Packet, Frame, Bit
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B -
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Data, Packet, Segment, Frame, Bit
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C -
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Data, Segment, Frame, Packet, Bit
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D -
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Data, Packet, Frame, Segment, Bit
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5-
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In what switch mode read first part of frame with destination address and send frame immediately?
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A -
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Store-and-forward.
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B -
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Cut-through.
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C -
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Fragment-free.
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D -
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All of the above
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6-
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Which of the following are benefits of VLANs?
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A -
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They allow logical grouping of users by function.
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B -
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They enhance network security.
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C -
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They increase the number of broadcasts domain while decreasing their size.
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D -
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All of the above
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7-
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What are the advantages of using the OSI layered network model?
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A -
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Allows multiple-vendor development through standardization of network components.
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B -
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Allows various types of network hardware and software to communicate.
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C -
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Prevents changes in one layer from affecting other layers, so it does not hamper development.
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D -
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All of the above
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8-
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Which of the following describes isdn bri servie?
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A -
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2d+b
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B -
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23d+b
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C -
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2b+d
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D -
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23b+d
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9-
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What type of switching create variable latency through the switch?
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A -
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Store-and-forward.
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B -
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Cut-through.
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C -
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Fragment-free.
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D -
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Both A & B
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10-
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Which of the following are used to prevent routing loops in network that use distance vector routing
protocols?
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A -
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Shortest path first tree.
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B -
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Split horizon.
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C -
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Hold-down timers.
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D -
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Both B & C
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