單項(xiàng)選擇題Which protocols are found in the network layer of the OSI reference model and are responsible for path determination and traffic switching?()

A. LAN
B. routing
C. WAN
D. network


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3.單項(xiàng)選擇題A company implements video conferencing over IP on their Ethernet LAN. The users notice that the network slows down, and the video either stutters or fails completely. What is the most likely reason for this?()

A. minimum cell rate (MCR)
B. quality of service (QoS)
C. modulation
D. packet switching exchange (PSE)
E. reliable transport protocol (RTP)

5.單項(xiàng)選擇題When configuring a serial interface on a router, what is the default encapsulation?()

A. atm-dxi
B. frame-relay
C. hdlc
D. lapb
E. ppp

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An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?()

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Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?()

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You have been asked to come up with a subnet mask that will allow all three web servers to be on the same network while providing the max number of subnets.Which network address and subnet mask meet this requirement?()

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How are VTP advertisements delivered to switches across the network?()

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A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?()

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Which command displays the CHAP authentication process as it occurs between two routers?()

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On which options are standard access list based?()

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What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?()

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Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?()

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Three access ports have been installed and configured to a small office.What term defines the wireless topology?()

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