种群均匀分布的模型为（)。A．正二项分布B．负二项分布C．泊松分布D．离散分布

A.Send periodic updates regardless of topology changes.

B.Send entire routing table to all routers in the routing domain.

C.Use the shortest-path algorithm to the determine best path.

D.Update the routing table based on updates from their neighbors.

E.Maintain the topology of the entire network in its database.

A.As numbers must be changed to match on all the routers.

B.Loopback interface must be configured so a DR is elected.

C.The no auto-summary command is needed on Router A and Router C.

D.Router B needs to have two network statements, one for each connected network.

A.The loopback addresses are on different subnets

B.The value of the dead timers on the router are different

C.Route summarization is enabled on both routers

D.The process indentifier on router A is different than the process identifier on router B

vertised from Area 1 into Area 2. As the router configuration specialist, what two things would you do to accomplish this goal？（）

A. Enter the configuration on router B1.

B. Enter the configuration on router B4.

C. On the same router, enter the Summary - address 10.10.1.0 255.255.255.128 subcommand.

D. On the same router, enter the Area 1 range 10.10.1.0 255.255.255.128 subcommand.

E. On the same ro uter, enter the Area 2 range 10.10.1.0 255.255.255.128 subcommand.

What does a man do when he cannot get exactly what he wants？

A．He usually does not buy anything.

B．At least two of his requirements must be met before he buys.

C．He buys similar things of the colour he wants.

D．So long as the style. is right, he buys the thing.

A．Where

B．How

C．Why

D．When

听力原文：When I have compared the two translations, I will write to you again.

What is the speaker going to do？

A．Promising to write again.

B．Translating something twice.

C．Comparing two translations.

D．Informing someone of what is going on.

At first, upload the recording you took of your presentation. Then, do the peer-review section and provide effective feedback for your classmates. Directions for Peer-review Section: 1. Read the grading criteria at first, then Watch the recordings of mid-term oral presentation from 3 students. 2. Assess those presentations based on the rubric. 3. Choose two things you think you could improve and write a short paragraph about these two things. a) say what they are specifically (vocabulary, pronunciation of certain sounds, looking at audience, past tense). b) explain what you could do to improve these things for the next presentation. c) only write about two things. 4. Choose two things you think you did well. a) describe what these two things are specifically. b) explain why you think these things were done well. c) you must write about two things you did well.

What did Tony do when he returned to Chester？

A．He immediately started his business.

B．He did some market research.

C．He tried to find a business partner.

What did the person do when he was given two glasses of beer？

A．He himself drank them.

B．He and his friend drank them.

C．He and the beerman drank them.