SERIALIZABLE is the strictest isolation level.

State true or false: Serializable level may allow both serializable and non-serializable executions

A

True

B

False

The strictest transaction isolation level provided by SQL Server is called:

A

REPEATABLE READ

B

SERIALIZABLE

C

READ COMMITTED

D

READ UNCOMMITTED

If the class implements java.io.Serializable, then it is serializable; otherwise, it’s not.

A

True

B

False

Oracle uses __________ for the serializable isolation level

A

Multiversion scheme

B

Timestamp protocol

C

Lock based protocol

D

Snapshot isolation

Which of the following is used to set transaction isolation level? b) –isolation=LEVEL c) –force= d) –truncateTable=

A

–incremental=

B

true/false

C

true/false

D

true/false

Which of the following statements are correct
1. Significance level is opposite to confidence level.
2. Significance level is complementary to confidence level.
3. Significance level is the rejection area.

A

Only 1

B

Both 1 and 2

C

Both 1 and 3

D

Both 2 and 3

The isolation includes different supply voltage sources and different grounds on each side of the isolation barrier.

A

True

B

False

The isolation includes common supply voltage sources and common grounds on each side of the isolation barrier.

A

True

B

False

Steps of Recombinant DNA technology are given below.
1. Identification and isolation of the genetic material.
2. Fragmentation of DNA.
3. Obtaining the foreign gene product.
4. Downstream processing.
5. Ligation of DNA fragmentation into the vector.
6. Isolation of desired DNA fragments.
7. Amplification of gene of interest.
8. Transfer of Recombinant DNA into the host cell/organism.
The correct sequence of steps is

A

3, 1, 2, 4, 6, 5, 7, 8

B

1, 4, 3, 2, 5, 7, 6, 8

C

1, 2, 6, 7, 5, 8, 3, 4

D

8, 6, 7, 5, 1 , 4, 2, 3

How an object can become serializable?

A

If a class implements java.io.Serializable class

B

If a class or any superclass implements java.io.Serializable interface

C

Any object is serializable

D

No object is serializable

SERIALIZABLE is the strictest isolation level.

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