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Which two are true about has-a and is-a relationships？（）

题目
多选题
Which two are true about has-a and is-a relationships？（）
A

Inheritance represents an is-a relationship.

B

Inheritance represents a has-a relationship.

C

Interfaces must be used when creating a has-a relationship.

D

Instance variables can be used when creating a has-a relationship.

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相似问题和答案

第1题：

Which of the following is NOT true about the centrifugal separator?

A.It can be applied to separate two liquids

B.It cannot separate solids which contaminated in the oil.

C.It consists of purifier and clarifier

D.The centrifuge arranged to separate two liquids is known as purifier


答案：B

第2题：

Which two statements are true about AH?() (Choose two.)

A. AH provides data integrity.

B. AH is identified by IP protocol 50.

C. AH is identified by IP protocol 51.

D. AH cannot work in conjunction with ESP


参考答案：A, C

第3题：

Given:Which three are true?()

A.Cat is-a Animal

B.Cat is-a Jumper

C.Dog is-a Animal

D.Dog is-a Jumper

E.Cat has-a Animal

F.Beagle has-a Tail

G.Beagle has-a Jumper


参考答案：B, C, F

第4题：

Which two statements about the Cisco Nexus 1000V VSM are true?（）

  • A、It performs switching decisions and forwarding for the VEM
  • B、It can be run on a virtual machine
  • C、It can be used for remote VEM switching Iine cards

正确答案:B,C

第5题：

What is true about the Cisco SBR methodology?（）

  • A、provides an opportunity to build short-term consultative relationships with customers
  • B、provides an opportunity to build long-term consultative relationships with customers
  • C、provides an opportunity to build consultative relationships with customers
  • D、provides an opportunity to sell more products

正确答案:B

第6题：

Given that: Gadget has－a Sprocket and Gadget has－a Spring and Gadget is－a Widget and Widget has－a Sprocket Which two code fragments represent these relationships? ()

A.

B.

C.

D.

E.

F.


参考答案：A, C

第7题：

Which two statements are true about precedence values in policy?() (Choose two.)

A. 1 is the default precedence.

B. A lower number is preferred.

C. A higher number is preferred.

D. 100 is the default precedence.


参考答案：B, D

第8题：

Given:Which two are true? ()

A.The output is mm.

B.The output is mc.

C.Component is-a Meter.

D.Component has-a Meter.

E.DeluxeThingy is-a Component.

F.DeluxeThingy has-a Component.


参考答案：A, F

第9题：

Which two statements are true about L2TP tunnels?（） (Choose two.)

  • A、Traffic is clear text
  • B、Traffic is encrypted 
  • C、They are initiated by the LNS
  • D、They are initiated by the LAC

正确答案:A,D

第10题：

Which two statements about the IS -IS routing protocol are true?（）

  • A、IS - IS is capable of supporting IPv4 and IPv6.
  • B、IS - IS is only capable of supporting IPv4 and CLNS.
  • C、IS - IS routers use ES - IS hellos (ESH) to establish and to maintain neighbor relationships.
  • D、IS - IS routers run the Bellman - Ford algorithm against their LSDBs to pick the best paths.
  • E、Level 1 routers learn about paths within the area of which they are a part.
  • F、Level 2 routers learn about paths both within areas and between areas.

正确答案:A,E

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