單項(xiàng)選擇題When an IP packet is Layer 3-switched from a source in one VLAN to a destination in anotherVLAN, which field in a packet will be rewritten? ()

A. Layer 2 TTL
B. Layer 3 TTL
C. Layer 3 source address
D. Layer 3 transport protocol
E. Layer 3 destination address


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1.單項(xiàng)選擇題During which phase is a proposal developed and delivered?()

A.Prepare
B.Plan
C.Design
D.Operate

2.單項(xiàng)選擇題When you enter the interface command auto qos voip cisco-phone on a port at the edge of a network, how does the Cisco Catalyst switch detect if a Cisco IP Phone is connected to the port? ()

A. by snooping the CoS marking on the incoming frames
B. by using RTP hello messages between the switch port and the Cisco IP Phone
C. by using CDP
D. by using DHCP snooping
E. by snooping the incoming 802.1Q VLAN tag

4.多項(xiàng)選擇題Which two differentiators make RSTP the preferred protocol for preventing Layer 2 loops in aswitched network environment?() (Choose two.)

A. Features such as UplinkFast and BackboneFast are compatible with RSTP.
B. An RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.
C. Cisco proprietary enhancements are not transparent.
D. Information about port roles is sent to all switches.
E. RSTPs that are based on Cisco products require no additional configuration.

5.單項(xiàng)選擇題What is the final step of the core baselining process? ()

A. Implement threshold monitoring using RMON.
B. Implement monitoring using SNMP or RMON.
C. Poll and record specific SNMP MIB objects from the device.
D. Verify that SNMP MIB is supported in the relevant core device.

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Which of the following is an easy-to-use tool that allows you to easily configure and monitor Cisco Integrated Services Routers?()

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Refer to the exhibit. Which two of these events will be the result of issuing the above command? ()(Choose two.)

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Which of the following allows network administrators to easily apply common services and employ features across Cisco switches, routers, and access points with an intuitive GUI?()

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What is the purpose of using VPN hardware acceleration equipment?()

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