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【单选题】

R1 forwards a packet from Host 1 to remote Server 1. Which statement describes the use of a MAC as the frame carrying this packet leaves the s0/0/0 interface of R1（）。

A、The frame does not have MAC addresses.

B、The source MAC address in the frame is the MAC address of the NIC of Host 1.

C、The source MAC address in the frame is the MAC address of the s0/0/0 interface of R1.

D、The destination MAC address in the frame is the MAC address of the NICof server 1.

E、The destination MAC address in the frame is the MAC address of the s0/0/0 interface of R2

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更多“R1 forwards a packet from Host 1 to remote Server 1. Which statement describes the use of a MAC as the frame carrying this packet leaves the s0/0/0 interface of R1（）。”相关的问题
第1题
[单选题] If the router R1 has a packet with a destination address 192.168.1.255, what describes the operation of the network（）。

A、R1 will forward the packet out all interfaces.  B、R1 will drop this packet because this it is not a valid IP address.  C、As R1 forwards the frame containing this packet, Sw-A will add 192.168.1.255 to its MAC table.  D、R1 will encapsulate the packet in a frame with a destination MAC address of FF-FF-FF-FF-FF-FF  E、As R1 forwards the frame containing this packet, Sw-A will forward it to the device assigned the IP address of 192.168.1.255.  

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第2题
[] Refer to the exhibit.Based on the exhibited routing table，how will packets from a host within the192.168.10.192/26 LAN be forwarded to 192.168.10.1？（） Refer to the exhibit.Based on the exhibited routing table，how will packets from a host within the192.168.10.192/26 LAN be forwarded to 192.168.10.1？（）

A、A.The router will forward packets from R3 to R2 to R1  B、B.The router will forward packets from R3 to R1  C、C.The router will forward packets from R3 to R1 to R2  D、D.The router will forward packets from R3 to R2 to R1 AND from R3 to R1  

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第3题
[多选题] Examine the following configuration on Router R1. R1's show ip route 172.16.4.1 command list s a route with outgoing interface S0/1/1. Host 172.16.3.3 uses telnet to connect to host 172.16.4.1.What will Router R1 do with the packets generated by host 172.16.3.3 because of the telnet,assuming the packets enter R1's F0/0 interface?（） interface Fastethernet 0/0 ip address 172.16.1.1 255.255.255.0 ip policy route - map Q2 ! route - map Q2 permit match ip address 101 set interface s0/0/1 ! access - list 101 permit tcp host 172.16.3.3 172.16.4.0 0.0.0.255

A、The packet will be forwarded out S0/0 /1, or not at all.  B、The packet will be forwarded out S0/0/1 if it is up.  C、The packet will be forwarded out S0/1/1 if it is up.  D、The packet will be forwarded out S0/1/1 if it is up, or if it is not up, out s0/0/1.  E、The packet will be forwarded o ut S0/0/1 if it is up, or if it is not up, out s0/1/1.  

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第4题
[单选题] Refer to the exhibit. The company uses EIGRP as the routing protocol. What path will packets take from a host on 192.168.10.192/26 network to a host on the LAN attached to router R1?（）

A、The path of the packets will be R3 to R2 to R1.  B、The path of the packets will be R3 to R1 to R2.  C、The path of the packets will be both R3 to R2 to R1 and R3 to R1.  D、The path of the packets will be R3 to R1  

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第5题
[多选题] Policy -Based Routing (PBR) has been enabled on Router R1's interfa ce F0/0. Which of the following is true regarding how PBR works?（）

A、Packets entering F0/0 will be compared based on the PBR route map.  B、Packets exiting F0/0 will be compared based on the PBR route map.  C、IOS ignores the PBR forwarding directions wh en the packet matches a route map deny clause.  D、IOS ignores the PBR forwarding directions when the packet matches a route map permit clause.  

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第6题
[单选题] A router receives a packet on interface 172.16.45.66/26. The source IP of the packet is 172.16.45.127/26 and the destination is 172.16.46.191/26.How will the router handle the packet?（）

A、The destination is a host on another subnet, so the router will not forward the packet.  B、The destination is a host on the same subnet, so the router will forward the packet.  C、The destination is a broadcast address, so the router will not forward the packet.  D、The destination is a network address, so the router will forward the packet.  

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第7题
[单选题] What is the purpose of unicast reverse path forwarding?（）

A、to validate packet receipt on interfaces where the traffic should be received  B、to forward packets out the interfaces where the traffic should be received  C、to forward packets out the interfaces where the traffic should be sent  D、to validate packet receipt on interfaces where the traffic should be sent  

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第8题
[单选题] Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）

A、Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.  B、R2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.  C、R2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.  D、All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.  

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第9题
[多选题] Routers R1 and R2 are EIGRP neighbors. R1 has been configured with the eigrp stub connected command. Which of the following is true as a result？（）

A、R1 can learn EIGRP routes from R2, but R2 cannot learn EIGRP routes from R1  B、R1 can send IP packets to R2, but R2 cannot send IP packets to R1  C、R2 no longer learns EIGRP routes from R1 for routes not connected to R1  D、R1 no longer replies to R2's Query messages  E、R2n o longer sends to R1 Query messages  

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第10题
[多选题] Which two statements describe the forwarding table in the Junos OS?（）

A、The forwarding table contains all known routes.  B、The forwarding table stores a subset of information from the routing table.  C、Junos devices use the forwarding table to compare incoming packets against existing entries to determine the next hop.  D、If multiple matches exist, the forwarding table uses the least-specific entry to forward packets toward the destination.  

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