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[主观题]

Host 1 sends an ICMP echo request to remote sever1. Layer2 header of the frame containing the ping packet()。

A.The IP address of sever 1.

B.The MAC address of NIC in sever 1.

C.The IP address of F0/0 interface of router R1.

D.The MAC address of the Fa0/0 interface of router R1.

E.The IP address of the s0/0/0 interface of router R2

F.The MAC address of the s0/0/0 interface of router R2

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更多“Host 1 sends an ICMP echo requ…”相关的问题

第1题

Host 1 sends a request for a file to remote sever1. Which destination address does Host 1 place f the packet containing the request()。

A.The Mac address of the NIC in Sever1

B.The IP address of Server 1.

C.The MAC address of the s0/0/0 interface of router R2

D.The IP address of the s0/0/0 interface of router R1

E.The IP address of the Fa0/0 interface of router R1

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第2题

Host 1 has just started up and requests a web page from web server 2. Which two statements describe steps in the process Host 1 uses to send the request to web server 2 (choose two)()。

A.Host 1 addresses the frames to the MAC address of router R1

B.Host 1 looks in its ARP cache for the MAC address of router R1

C.Host 1 addresses the frames to the MAC address of web server 2

D.Host 1 sends the packets to router R1 to be forwarded to web server 2

E.Host 1 sends a broadcast ARP request to obtain the MAC address of webserver2

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第3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4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5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6题

When an IPv6 enabled host boots, it sends a router solicitation (RS) message. An IPv6 router responds with a router advertisement (RA).Which two items are c ontained in the RA?()

A. any route advertisements it has received

B. prefixes for the link

C. keepalive timers

D. IPv6 address for the host

E. request for the local host IP address

F. lifetime of the prefix

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第7题

Which two statements are correct when you use the reject parameter as the next-hop value for a static route?()

A. The packet is dropped and the packet‘s source is marked with the no-readvertise parameter.

B. The system sends the packet back to the source.

C. The packet is dropped from the network.

D. The system sends an ICMP message back to the source of the packet.

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第8题

How does the ERX Edge Router interact with subscriber IP addresses assigned by an externa lDHCP server?()

A.It monitors messages from the external server and updates the routing table as needed.

B.It maintains the leases for the DHCP server and reassigns addresses to new subscribers.

C.It sends keepalives to the subscriber and makes the address available when the subscriber stops responding.

D.It sends keepalives to the subscriber and removes the host route when the subscriber stops responding.

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第9题

How does the ERX Edge Router interact with subscriber IP addresses assigned by an external DHCP server?()

A.It monitors messages from the external server and updates the routing table as needed.

B.It maintains the leases for the DHCP server and reassigns addresses to new subscribers.

C.It sends keep alives to the subscriber and makes the address available when the subscriber stops responding.

D.It sends keep alives to the subscriber and removes the host route when the subscriber stops responding.

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第10题

Ping 使用了()类型的ICMP查询报文。

A.Echo Reply

B.Host Unreachable

C.Redirect for Host

D.Source Queach

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