问题 单项选择题

SNMPv1是一个不安全的协议,Manager与Agent之间通过SNMPv1进行身份认证,由于认证信息没有加密,所以是不安全的( )。

A.团体名
B.用户名ID
C.访问权限
D.访问控制

答案

参考答案:A

解析: SNMPv1不支持加密和授权,通过包含在SNMP的团体名提供简单的认证,其作用类似于口令,SNMP代理检查消息中的团体名字段的值,符合预定值时接收和处理该信息。

单项选择题
完形填空

One day a teacher asked her students to list the names of the other students in the class on two sheets of paper,leaving a space between each name.

Then she told them to think of the 36  thing they could say about each of their  37 and write it down.

It took the remainder of the class period to finish their  38 ,and as the students left the room,each one handed in the papers.

That Saturday the teacher wrote down the name of each student on a 39 sheet of paper,and  40  what everyone else had said about that  41 

On Monday she gave each student his or her list.Before long,the entire class was 42 .“Really?”

she heard whispers.“I  43  knew I meant anything to anyone!” and “I didn’t know 44  liked me so much!” were most of the  45 .

That group of students   46on. Several years later, one of the students, Mark, was killed in Vietnam and the teacher attended the funeral of that special student.

The church was 47  his friends.After the funeral,Mark’s parents met the teacher.“We want to  48 you something,” Mark’s father said,taking a wallet out of his pocket.“They 49  this on Mark when he was killed.We thought you might  50  it.

Opening the wallet,he  51  removed two  52  pieces of notebook paper that had been folded and unfolded many times.

The teacher knew without looking  53  the papers were the ones on which she had listed all the good things each of Mark’s classmates had  54  about him.

“Thank you so much for doing that,” Mark’s mother said.” As you can see, Mark  55  it.”

小题1:.

A.worst

B.most unforgettable

C.most common

D.nicest小题2:.

A.classmates

B.teachers

C.parents

D.relations小题3:.

A.preparation

B.test

C.assignment

D.discussion小题4:.

A.large

B.separate

C.red

D.clean小题5:.

A.1isted

B.read

C.selected

D.erased小题6:.

A.event

B.class

C.individual

D.homework小题7:.

A.crying

B.smiling

C.disappointed

D.exhausted小题8:.

A.never

B.always

C.sometimes

D.certainly小题9:.

A.others

B.girls

C.boys

D.some小题10:.

A.complaints

B.thoughts

C.excuses

D.comments小题11:.

A.held

B.took

C.moved

D.looked小题12:.A.packed with   B.frightening to   C prepared for  D.built by

小题13:.

A.tell

B.show

C.write

D.inform小题14:.

A.put

B.found

C.hid

D.wrapped小题15:.

A.need

B.expect

C.miss

D.recognize小题16:.

A.carefully

B.hurriedly

C.quickly

D.happily小题17:.

A.new

B.beautiful

C.worn

D.tough小题18:.

A.that

B.for

C.at

D.whether小题19:.

A.talked

B.said

C.missed

D.explained小题20:.

A.1ost

B.forgot

C.described

D.Treasured