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【多选题】

Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true?（）

A、Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.

B、Router C will use ICMP to inform Router B that Host 2 cannot be reached.

C、Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.

D、Router C will send a Destination Unreachable message type.

E、Router C will send a Router Selection message type.

F、Router C will send a Source Quench message type.

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更多“Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true?（）”相关的问题
第1题
[多选题] Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true? （）

A、Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.  B、Router C will use ICMP to inform Router B that Host 2 cannot be reached.  C、Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.  D、Router C will send a Destination Unreachable message type.  E、Router C will send a Router Selection message type.  F、Router C will send a Source Quench message type.  

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第2题
[多选题] Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true?（）

A、Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.  B、Router C will use ICMP to inform Router B that Host 2 cannot be reached.  C、Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.  D、Router C will send a Destination Unreachable message type.  E、Router C will send a Router Selection message type.  F、Router C will send a Source Quench message type.  

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第3题
[多选题] Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true (Choose two.)（）。

A、Router C will use ICMP to inform Host 1 that Host 2 cannot be reached  B、Router C will use ICMP to inform Router B that Host 2 cannot be reached  C、Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached  D、Router C will send a Destination Unreachable message type  E、Router C will send a Router Selection message type  F、Router C will send a Source Quench message type  

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第4题
[单选题] Below is the routing table for host "earth"：  If host "earth" tries to ping 128.78.1.5， to which of the following interfaces is  the packet being sent？（）

A、en0  B、lo0  C、tr0  D、ping results in "Sendto：Network is unreachable" message  

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第5题
[单选题] Refer to the exhibt.Host A has tested connectivity to a remote network.What is the default gateway for host A?（）

A、172.16.182.1  B、192.168.1.1  C、10.16.176.1  D、192.168.1.6  

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第6题
[多选题] Click the Exhibit button. A user logs in, is assigned the default role, and successfully loads the Host Enforcer policies shown in the exhibit.Which three statements are true? （）

A、The local host will respond to ICMP echo-request packets from 192.168.53.10.  B、The local host will respond to UDP port 53 requests from 192.168.1.25.  C、The local host can send any packet of any type to host 172.16.1.1.  D、The local host will accept any packet of any type from host 172.16.1.1.  E、The local host can send packets to UDP port512 on server 192.168.53.10.  

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第7题
[多选题] You're the systems administrator at Testing, and you create the following access control lists. You then enter the command "ip access-group 101 in" to apply access control list 101 to router TK1s e0 interface.Which of the following Telnet sessions will be blocked as a result of your access lists?（）

A、Telnet sessions from host A to host 5.1.1.10  B、Telnet sessions from host A to host 5.1.3.10  C、Telnet sessions from host B to host 5.1.2.10  D、Telnet sessions from host B to host 5.1.3.8  E、Telnet sessions from host C to host 5.1.3.10  F、Telnet sessions from host F to host 5.1.1.10  

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第8题
[单选题] Refer to the exhibit.The network administrator normally establishes a telnet session with the switch from host A.However,host A is unavailable.The administrator′s attempt to the switch from host B fails,but pings to the other two hosts are successful.what is the issue?（）

A、Host B and the switch need to be in the same subnet.  B、The switch needs and appropriate default gateway assigned.  C、The switch interface connected to the router is down.  D、Host B need to be assigned an IP address in vlan 1.  E、The switch interfaces need the appropriate IP addresses assigned.  

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第9题
[多选题] The access control list shown in the graphic has been applied to the Ethernet interface of router R1using the ip access-group 101 in command.Which of the following Telnet sessions will be blocked by this ACL？（）

A、from host PC1 to host 5.1.1.10  B、from host PC1 to host 5.1.3.10  C、from host PC2 to host 5.1.2.10  D、from host PC2 to host 5.1.3.8  

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