单选题How doTCP SYN attacks take advantage ofTCPto prevent new connections from being established to a host under attack？（）A These attacks send multiple FIN segments forcing TCP connection release.B These attacks fill up a hosts’ listen queue by failing to A

题目

单选题

How doTCP SYN attacks take advantage ofTCPto prevent new connections from being established to a host under attack？（）

These attacks send multiple FIN segments forcing TCP connection release.

These attacks fill up a hosts’ listen queue by failing to ACK partially openedTCPconnections.

These attacks take advantage of the hosts transmit backoff algorithm by sending jam signals to the host.

These attacks increment the ISN of each segment by a random number causing constant TCP retransmissions.

These attacks send TCP RST segments in response toconnection SYN+ACK segments forcing SYN retransmissions.

如果没有搜索结果或未解决您的问题，请直接联系老师获取答案。

相似问题和答案

第1题：

●Most computer systems are (71) to two different groups of attacks:Insider attacks and outsider attacks． A system that is known to be (72) to an outsider attack by preventing (73) from outside can still be vulnerable to the insider attacks accomplished by abusive usage of (74) users． Detecting such abusive usage as well as attacks by outsides not only provides information on damage assessment, but also helps to prevent future attacks． These attacks are usually (75) by tools referred to as Intrusion Detection Systems．

(71) A．vulnerable

B．week

C．sensitively

D．helpless

(72) A．reliable

B．secure

C．indestructible

D．steady

(73) A．visit

B．access

C．I/O

D．read/write

(74) A．power

B．rights

C．authorized

D．common

(75) A．searched

B．checked

C．tested

D．detected

正确答案：A,B,B,C,D
【解析】(参考译文)大多数计算机系统主要受到两类不同类型的攻击：内部攻击和外部攻击。系统虽然可以通过阻止外部访问防止受到外部攻击，但是，仍然容易受到伴随着内部合法用户的特权滥用而产生的内部攻击。通过检测那些授权滥用的内部攻击和外部攻击，不但可以提供信息损坏的评估，而且还能免于受到以后的攻击。这些攻击通常通过来自攻击监测系统的工具来发现。

第2题：

You should take advantage of this chance of a lifetime.(英译汉)

参考答案：你要好好利用这次千载难逢的机会。

第3题：

在防范食品污染方面，你们采取什么措施?

A.What measures will you take against food pollution?

B.What actions will you take for selecting food?

C.How will you prevent the food from being polluted?

D.Have you taken any measures against food pollution?

正确答案：A

第4题：

We hope you'll () our resources and our commitment to excellence.

A、take advantages of

B、take the advantage of

C、take advantage of

D、take advantages on

参考答案：C

第5题：

Wendy was too nice to me those days, but I felt that she ______________________ me as a free babysitter.

A.was taking advantage of

B.take advantage of

C.takes advantage of

D.taking advantage of

参考答案：A

第6题：

28． Mr Snow asked the Browns some questions to _________．

A． see if they had moved to a new house

B． find out how rich the Browns were

C． know where they'd keep their new pet

D． make sure they'd take good care of pets

正确答案：D
28.D【解析】由第四段第二句可知。

第7题：

一________________will the meal take?

一It'll take two hours，I think.

A. How many

B. How much

C. How long

参考答案C

第8题：

Her type of women can () life much more easily.

A.cope with

B.take advantage of

C.take care of

D.look after

参考答案：A

第9题：

_______ will it take you from your school to the library?

A、How far

B、How soon

C、How long

D、How many

参考答案：C

第10题：

A: ( ) will the meal take? B:It'll take two hours, I think.

A. How long

B. How many

C. How much

正确答案:A

How doTCP SYN attacks take advantage ofTCPto prevent new con

题目

相似问题和答案

更多相关问题

相关内容