下面是sniffer捕获的数据包(1)该主机的IP地址是(16)。(2)根据图中“N

题型:填空题

问题:

下面是sniffer捕获的数据包

(1)该主机的IP地址是(16)

(2)根据图中“No.”栏中标号,表示TCP连接三次握手过程开始的数据包标号是(17)

(3)该主机上设置的DNS服务器的IP地址是(18)

(4) 标号为“16”的数据包的源端口应为 (19) ,该数据包TCP Flag的ACK位应为 (20)

(18)是()

考点:计算机等级考试网络工程师计算机网络工程师
题型:填空题
先阅读短文,掌握其大意.然后从方框中所给的12个词中选出最恰当的10个,并用其适当形式填空,每个次限用一次。(每小题1分,共15分)
on  whatever   because   cloud    thank    indoors
another   decide  collect   other   see   besides
Weather affects all of us in one way or 小题1:__________ directly or indirectly. For example, good weather makes people happy. Bad weather makes people sick and depressed. 小题2:___ , on a fine day, one can go out for a walk or play a game in the open. On a rainy day, however, he can only stay小题3:__________. In a word, weather is a part of life for all of us.
The first thing that many people do after getting up is to 小题4:___________ what the weather is like. With the acknowledge of the weather people can arrange work and life of the day. If it is fine, he may 小题5:__________ to go on a picnic. If it is 小题6:___________, he will have to take a raincoat or an umbrella with him when he is leaving the house. 小题7:___________ the weather may be like, one tends to adjust his activites to it accordingly(相应地).
In order to know how the weather will be, some special people are organized to provide this information. They 小题8:___________ data(数据), analyze(分析) them and predict(预报) the weather of the coming day. This information, which is announced 小题9:____________ the radio or on TV, is usually very accurate(准确的). 小题10:_____________ to the efforts of those professionals, we can always know the weather and get prepared for it.
题型:填空题

女性,55岁,鼻塞、头痛1周,无任何阳性体征

MRI与CT相比MRI显示本病的优势为()?

 

A.典型者T1WI呈低信号,T2WI呈高信号

B.当本病发生囊内出血时T1WI和T2WI常为高信号

C.当伴有感染时囊内蛋白质含量较高,T1WI和T2WI信号高于脑脊液

D.MRI对于显示囊肿及邻近脑实质的受压移位较CT优越

E.CT显示本病内的密度较MRI优越

题型:填空题

黑洞是一种人们至今还没有观察到的特殊物质,但科学家们根据爱因斯坦的科学理论对黑洞作出了科学的预言,并对黑洞的特征作了生动的描述。人们至今还没有观察到黑洞这一特殊的天体物质。可见(   )

A.意识有正确和错误之分

B.世界上存在着不可认识的事物

C.每一时期的人们对客观事物的正确认识总是有限的

D.意识能够正确地反映客观事物

题型:填空题

求x+2x2+3x3+…+nxn+…的和函数.(-1<x<1)

题型:填空题

伸直型桡骨下端骨折的畸形是

A.垂腕型

B.银叉型

C.尺偏型

D.爪型

E.僵硬型

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