When an IP packet is Layer 3-switched from a source in one VLAN to a destination in another VLAN,which field in a packet will be rewritten? （）A、Layer 2 TTLB、Layer 3 TTLC、Layer 3 source addressD、Layer 3 transport protocolE、Layer 3 destination address

题目

When an IP packet is Layer 3-switched from a source in one VLAN to a destination in another VLAN,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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第1题

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 TTLB、Layer 3 TTLC、Layer 3 source addressD、Layer 3 transport protocolE、Layer 3 destination address

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第2题

How does an IPv6 router deal with a packet that is larger than the outgoing interface MTU？（）A、It will fragment the packet at Layer 2.B、It will fragment the packet at Layer 3.C、It will drop the packet and send an ICMPv6 message "packet too big" back to the source.D、It will drop the packet.

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第3题

Assuming that an IP packet is sent from a source address in VLAN1 to a destination address in VLAN2 through a layer-3 switch, which part of the packet will be changed?（）A、Layer 2 TTLB、Layer 3 TTLC、Layer 3 source addressD、Layer 3 destination address

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第4题

Which two options can be used as traffic descriptors when classifying and marking traffic？（）A、incoming interfaceB、Layer 2 differentiated services code point （DSCP）C、Layer 3 IP precedenceD、outgoing interface

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第5题

Which roaming option will keep them on the same IP subnet when client traffic is being bridged through LAN interfaces on two WLCs?（）A、Layer 1intercontroller roamingB、Layer 2intercontroller roamingC、Layer 3intercontroller roamingD、Layer 4intercontroller roaming

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第6题

What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？（）A、codecB、link speedC、Layer 2 encapsulationD、packet overhead （IP/UDP/RTP）E、link delayF、total number of simultaneous calls that are allowed

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第7题

Which two statements about an interface configured with the asr-group command are correct?（）A、The FWSM supports up to 16 asymmetric routing groups.B、If a matching packet is not found, the packet is dropped.C、Asymetric routing of return traffic is enabled.D、If a matching packet is found, the Layer 3 header is rewritten.E、If a matching packet is found, the Layer 3 header is rewritten and the packet is forwarded to the default gateway.

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When an IP packet is Layer 3-swi

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