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多选题If x=6y, then which of the following expressions is a multiple of x? (Select all such expressions.)A3yB12yC30y

题目
多选题
If x=6y, then which of the following expressions is a multiple of x? (Select all such expressions.)
A

3y

B

12y

C

30y

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相似问题和答案

第1题：

Which one of the following expressions is equivalent to 'X BETWEEN 15 AND 25'?(25).

A．X＞15 AND X＜25

B．X=15 AND X=25

C．X＞25 AND X＜15

D．X＞=15 AND X＜=25


正确答案：D

第2题：

Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.()

A. All OSPF networks require the use of multiple areas

B. Multiple OSPF areas must connect to area 0

C. Single area OSPF networks must be configured in area 1

D. Areas can be assigned any number from 0 to 63535

E. Area 0 is called the backbone area

F. Each OSPF area need to be configured with a loopback interface


参考答案：B, E

第3题：

When a switch port is used as a VLAN trunk, which of the following trunk modes are valid? (Select all that apply.)

A. Blocking

B. Auto

C. Desirable

D. On

E. Transparent

F. Learning


正确答案：BCD
B,C,D 解析：Explanation:
A trunk port can be configured as one of the following 5 different modes: on, off, desirable, auto, or nonegotiate.

The table below is a summary of the configuration modes.

第4题：

Which of the following is the BEST way to ensure that all users receive a mapping to multiple shared drives?（）

  • A、Configure individual user accounts
  • B、Logon scripts
  • C、Local policy
  • D、Set NTFS permissions

正确答案:B

第5题：

You are on a multiple-product chemical tanker and will carry cargoes of isophorone，ethylenediamine，and creosote. Which of the following is TRUE?

A.All of these cargoes are compatible

B.Isophorone is incompatible with ethylenediamine but may be stowed adjacent to creosote

C.All of these cargoes are incompatible

D.Ethylenediamine is compatible with isophorone but both are incompatible with creosote


正确答案：A

第6题：

Which of the following statements eliminates all but one of each set of duplicate rows in the DEPT column in the STAFF table?()

A.SELECT UNIQUE dept FROM staff

B.SELECT DISTINCT dept FROM staff

C.SELECT (dept) UNIQUE FROM staff

D.SELECT (dept) DISTINCT FROM staff


参考答案：B

第7题：

Which of the following IP addresses is a private IP address? Select all that apply.()

A.12.0.0.1

B.168.172.19.39

C.172.20.14.36

D.172.33.194.30

E.192.168.42.34


参考答案：C, E

第8题：

intx=1,y=6;while(y－－){x＋＋;}System.out.println(x=”＋x＋y=”＋y);Whatistheresult?()

A.x=6y=0

B.x=7y=0

C.x=6y=-1

D.x=7y=-1

E.Compilationfails.


参考答案：E
A‘while’statementcanonlyevaluateaBooleanexpression.Theexpressionwhile(y--)returnsanintratherthanaBoolean.Therefore,thecorrectanswerisE.

第9题：

Which of the following IP addresses is a private IP address? Select all that apply.（）

  • A、12.0.0.1
  • B、168.172.19.39
  • C、172.20.14.36
  • D、172.33.194.30
  • E、192.168.42.34

正确答案:C,E

第10题：

Which of the following statements eliminates all but one of each set of duplicate rows in the DEPT column in the STAFF table?（）

  • A、SELECT UNIQUE dept FROM staff
  • B、SELECT DISTINCT dept FROM staff
  • C、SELECT (dept) UNIQUE FROM staff
  • D、SELECT (dept) DISTINCT FROM staff

正确答案:B

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