Q:

Which of the following is required for the DB2 optimizer to consider a hash join strategy?

A) Optimization level 1 or above	B) Equijion predicates
C) Registry variable DB_ANTIJOIN=YES	D) SORTHEAP large enough to contain the tables being joined

Answer & Explanation Answer: B) Equijion predicates

Explanation:

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Filed Under: IBM Certification

1 2456

Q:

What is cache-coherency?

Answer

In a multiprocessor system there exist several caches each may containing a copy of same variable A. Then a change in one cache should immediately be reflected in all other caches this process of maintaining the same value of a data in all the caches s called cache-coherency.

Workspace

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Subject: Operating Systems

1 2456

Q:

What is the tallest waterfall in the world?

Answer

Angel Falls

Workspace

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Subject: World Geography

1 2455

Q:

What is meant by Maskable interrupts?

Answer

An interrupt that can be turned off by the programmer is known as Maskable interrupt.

Workspace

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Subject: Hardware

0 2455

Q:

The wavelike properties of electrons are useful in

A) Magnifying objects	B) Lasers
C) Weather reports	D) All of the above

Answer & Explanation Answer: A) Magnifying objects

Explanation:

The photoelectric effect pointed to the particle properties of light, which had been considered to be a wave phenomenon. Particles like electron and protons have both particle like and wave like behavior. Thus, according to de Broglie, all the material particles in motion possess wave characteristics. Although the dual nature of matter is applicable to all material objects but it is significant for microscopic bodies only.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

6 2455

Q:

You cannot link excel worksheet data to a word document

A) With a hyperlink	B) With the copy and paste buttons on the standard toolbar
C) With the right drag method	D) With the copy and paste special commands

Answer & Explanation Answer: B) With the copy and paste buttons on the standard toolbar

Explanation:

You cannot link excel worksheet data to a word document With the copy and paste buttons on the standard toolbar.

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

2 2453

Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

P- It had been umpteen years since we had seen each other.

Q- One dull dark day in autumn, I was travelling on horseback through a dreary stretch of countryside.

R- This was the house of Roderick Usher, who had been my childhood pal.

S- At night fall, I came in sight of the house of Usher.

A) PQSR	B) PSQR
C) QSRP	D) QRSP

Answer & Explanation Answer: C) QSRP

Explanation:

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Filed Under: English
Exam Prep: TOEFL , GRE , CAT

0 2453

Q:

Improve the bracketed part of the sentence.
I (didn't see) him since we met two years ago.

A) am not seeing	B) have not seen
C) had not seen	D) No improvement

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