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What two are t

题目

What two are the prerequisites for enabling Flashback Database？（） 

  • A、 The database must be in ARCHIVELOG mode
  • B、 The database must be in MOUNT EXCLUSIVE mode
  • C、 The database must be opened in RESTRICTED mode
  • D、 The database instance must be started in the NOMOUNT state
  • E、 The database instance must have the keep buffer pool defined
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相似问题和答案

第1题：

I don't know(). I just arrived here two minutes ago.

A. what's going on

B. how is going on

C. who is going on


参考答案：A

第2题：

---“_________” ---“Two degrees on starboard”

A.What rudder?

B.How is the heading?

C.How answer?

D.What course?


正确答案：A

第3题：

–()? – No, it’s not very far at all, only two blocks.

(A)Is it too far to walk?

(B) Do you know where is the public bathroom?

(C) What do I do after walking two blocks along the street?

(D) What’ s the best way to the public bathroom?


正确答案：A
解答参考：A。本题回答为根本不远，只隔两个街区。选项A走路去远吗?意义正好衔接。选项B你知道公共浴室在哪儿吗?，选项C顺着这条路两个街区后该怎么走?，选项D怎么去公共浴室最近?在上下文意思上都无法衔接。

第4题：

What are two requirements to perform a warm Cisco IOS upgrade on a Cisco ISR router? （）(Choose two.)

  • A、at least one enabled Ethernet interface
  • B、Cisco IOS version 12.3(2)T or greater
  • C、enough memory to decompress the new Cisco IOS image
  • D、internal flash memory equaling two times the space required for the current Cisco IOS image

正确答案:B,C

第5题：

What are the two functions of intonation?
It indicates grammatical meaning in much the same way as punctuation does in the written language. It can also indicate the speaker’s attitude. In some cases, both grammatical meaning and attitude are conveyed by the intonation pattern alone.
略

第6题：

What did you do to increase profit and eliminate losses? We haven't been in the black for two months in a row.

A、lack of money

B、in the dark night

C、needing money

D、gaining money


参考答案：D

第7题：

What are two types of WebView monitoring statistics on the WX／WXC platforms?() (Choose two.)

A.LAN

B.QoS

C.traffic

D.IPSec


参考答案：B, C

第8题：

—What is ___________ distance between Beijing University and Qing Hua University?—Sorry, I don’t know it exactly, but the two universities are within __________ easy distance?

A.the;不填

B.the;an

C.不填;an

D.不填;不填


参考答案：A

第9题：

Before a Diffie-Hellman exchange may begin， the two parties involved must agree on what？（）

  • A、Two secret keys
  • B、Two nonsecret keys
  • C、Two secret numbers
  • D、Two nonsecret numbers

正确答案:D

第10题：

---“（）” ---“Two degrees on starboard.”

  • A、What rudder?
  • B、How is the heading?
  • C、How answer?
  • D、What course?

正确答案:A

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