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IEEE802标准中， ______ 规定了LAN参考模型的体系结构。A．802.1AB．802.2C．802.1BD．802.3

IEEE802标准中， ______ 规定了LAN参考模型的体系结构。

A．802.1A

B．802.2

C．802.1B

D．802.3

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更多“IEEE802标准中， ______ 规定了LAN参考模型的…”相关的问题

第1题

A router receives an IPv6 packet which is 2000 bytes in length. The MTU of the outgoing interface is 1500 bytes. Which action will the router take？（）

A. Forward the packet.

B. Fragment the packet.

C. Drop the packet silently.

D. Drop the packet and send an ICMPv6 message.

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第2题

Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through
a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network.Which of the following answers best describes the router‘s logic that tells the router, for a given packet, to apply GRE encapsulation to the packet？（）

A. When the packet received on the LAN interface is permitted by the ACL listed on the tunnel greacl command under the incoming interface

B. When routing the packet, matching a route whose outgoing interface is the GRE tunnel interface

C. When routing the packet, matching a route whose outgoing interface is the IPsec tunnel interface

D. When permitted by an ACL that was referenced in the associated crypto map

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第3题

An internet is a combination of networks connected by （1). When a datagram goes from a sou

An internet is a combination of networks connected by (1). When a datagram goes from a source to a？ (2), it will probably pass many (3) until it reaches the router attached to the destination network. A router receives a？ (4) from a network and passes it to another network. A router is usually attached to several networks. When it receives a packet, to which network should it pass the packet？ The decision is based on optimization: Which of the available (5) is the optimum pathway？

空白（4）处应选择（）

A. destination

B. resource

C. packet

D. source

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第4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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第5题

When an SRX series device receives an ESP packet, what happens？（）

A. If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, it will

B. If the destination IP address in the outer IP header of ESP does not match the IP address of the ingress interface, it will

C. If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, based packet.

D. If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, based of inner header, it will decrypt the packet.

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第6题

A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet？（）

A. It performs a label pop operation and an IP lookup.

B. It performs a label swap operation and an IP lookup.

C. It sends an error message toward the egress router.

D. It sends an error message toward the ingress router.

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第7题

An internet is a combination of networks connected by（71) .When a datagram goes from a sou

An internet is a combination of networks connected by (71) .When a datagram goes from a source to a (72) ，it will probably pass many (73) until it reaches the router attached to the destination network．A router receives a (74) from a network and passes it to another network．A router is usually attached to several networks．When it receives a packet，to which network should it pass the packet？ The decision is based on optimization： Which of the available (75) is the optimum pathway？

A．modems

B．routers

C．switches

D．computers

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第8题

An internet is a combination of networks connected by（71) .When a datagram goes from a sou

An internet is a combination of networks connected by (71) .When a datagram goes from a source to a (72) ，it will probably pass many (73) until it reaches the router attached to the destination network．A router receives a (74) from a network and passes it to another network．A router is usually attached to several networks．When it receives a packet，to which network should it pass the packet？ The decision is based on optimization： Which of the available (75) is the optimum pathway？

A．modems

B．routers

C．switches

D．computers

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第9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10题

An internet is a combination of networks connected by （1). When a datagram goes from a sou

An internet is a combination of networks connected by (1). When a datagram goes from a source to a？ (2), it will probably pass many (3) until it reaches the router attached to the destination network. A router receives a？ (4) from a network and passes it to another network. A router is usually attached to several networks. When it receives a packet, to which network should it pass the packet？ The decision is based on optimization: Which of the available (5) is the optimum pathway？

空白（3）处应选择（）

A. destinations

B. routers

C. packets

D. computers

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