NEWS BROADCAST 4  Questions 8 and 9 are based on the followi

题目
单选题
NEWS BROADCAST 4  Questions 8 and 9 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the questions.   Now listen to the news. Top officials of several U. S. intelligence agencies believe that
A

the country’s security is not good enough.

B

the U. S. will face an attempted terrorist threat.

C

there will be no actual attack in the U.S.

D

an anti-terrorism practice will be held in the following months.

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相似问题和答案

第1题:

PARACEL:N TO NE 6 AND UP TO 10 IN NA. 4000 M IN FRQ SQUALLY SHWRS AND TS. SEA 2 M AND UP TO 8-9 IN NA. SWELL E TO NE 4-5. FROM the above broadcast, the visibility will be ______.

A.good

B.very good

C.poor

D.moderate


正确答案:D
PARACEL:北到东北6级,东北风10级,能见度4000米。经常性的阵雨和雷暴,海浪2米。在东北方8-9米,涌浪东到东北4-5米。从上述广播可知能见度将为中等。

第2题:

要定义数组A,使得其中每个元素的数据依次为:3、9、4、8、0、0、0,错误的定义语句是( )。

A.int A[]={3,9,4,8,0,0,0);

B.int A[9]:{3,9,4,8,0,0,0);

C.int A[]={3,9,4,8);

D.int A[7]={3,9,4,8);


正确答案:C

第3题:

The reason why lesson six skips the puzzle questions is that they are associated with the expertise based on the content of a particular subject which is likely irrelevant to a layman.()


参考答案:对

第4题:

Which best represents a typical attackthat takes advantage of RFC 792, ICMPType 3 messages?()

  • A、 Blind connection-reset
  • B、 Large packet echo request
  • C、 Packet fragmentation offset
  • D、 Broadcast-based echo request
  • E、 Excessive bandwidth consumption

正确答案:A

第5题:


A.4
B.9
C.4或9
D.8
E.4或8

答案:B
解析:

第6题:

要定义数组a,使得其中每个元素的数据依次为3,9,4,8,0,0,0,错误的定义语句是 ( )。

A.int a[]={3,9,4,8,0,0,0};

B.int a[9]={3,9,4,8,0,0,0};

C.int a[]={3,9,4,8};

D.int a[7]={3,9,4,8,0,0,0};


正确答案:C
解析:选项C的定义方式中,a数组只包含4个元素,因此选项C不符合题意要求。而其他3个选项中的定义方式都可以实现题目的要求。

第7题:

Questions 47-49 refer to the following letter.
Tampa Daily News - Available in Print and Online
The Tampa Daily News has two versions of its printed newspaper available online.One version ______ the printed edition, including the editorial and news pages.

A. is the same

B. has the same

C. is the same as

D. as has the same

答案:C
解析:

第8题:

要定义数组A,使得其中每个元素的数据依次为:3、9、4、8、0、0、0,错误的定义语句是

A.int A[ ]={3,9,4,8,0,0,0};

B.int A[7]={3,9,4,8,0,0,0};

C.int A[ ]={3,9,4,8);

D.int A[7]={3,9,4,8);


正确答案:C

第9题:

某项目的现金流量图如下图所示。若该项目基准收益率为i,则净现值为()。

A.-A0+A4(P/F,ⅰ,4)+A5-8(P/A,ⅰ,8)+A9(P/F,ⅰ,9)
B.-A0+A4(P/F,ⅰ,4)+A5-8(P/A,ⅰ,8)(P/F,ⅰ,4)+A9(P/F,ⅰ,9)
C.-A0+A4(P/F,ⅰ,4)+A5-8(P/A,ⅰ,4)(P/F,ⅰ,4)+A9(P/F,ⅰ,9)
D.-A0+A4(P/F,ⅰ,4)+A5-8(P/A,ⅰ,4)(P/F,ⅰ,5)+A9(P/F,ⅰ,9)

答案:C
解析:

第10题:

What are three benefits of implementing vlans?()

  • A、A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure
  • B、Broadcast storms can be mitigated by decreasing the number of broadcast domains,thus increasing their size
  • C、A higher level of network security can be reached by separating sensitive data traffic from other network traffic
  • D、Port-based vlans increase switch-port use efficient,thanks to 802.1Q trunks
  • E、A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure
  • F、Broadcast storms can be mitigated by increasing the number of broadcast domains,thus reducing theirsize
  • G、VLANs make it easier for IT staff to configure new logical groups,because the vlans all belong to thesame broadcast domain

正确答案:C,E,F

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