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Questions 23-27
Choose the appropriate letters A-D and write them in boxes 23-27 on your answer sheet.
Research completed in 1982 found that in the United States soil erosion ______.

A. reduced the productivity of farmland by 20 per cent.
B. was almost as severe as in India and China.
C. was causing significant damage to 20 per cent of farmland.
D. could be reduced by converting cultivated land to meadow or forest.

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Assuming you build networks to exact specifications, what is the recommended maximum length a 10BaseT cable can be before it has to be segmented or repeated？

A. 100 meters
B. 100 feet
C. 100 yards
D. 200 meters
E. None of the above

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Which of the following statements about object oriented databse is not correct？

A. Each object has a unique object identity in the system.
B. Encapsulation and inheritance are two important features of object oriented databasE.
C. A subclass can inherit the attributes and methods of all its superclasses.
D. A subclass includes the attributes and methods of all its subclasses.

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For relation R where primary key contains multiple attributes,no non-key attribute should

A. 1NF
B. 2NF
C. 3NF
D. BCNF

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The dung beetles cause an immediate improvement to the quality of a cow pasture.

A. YES
B. NO
C. NOT GIVEN

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Questions 23-27Choose the appropriate letters A-D and write them in boxes 23-27 on your answer sheet.Research completed in 1982 found that in the United States soil erosion ______.

A. reduced the productivity of farmland by 20 per cent. B. was almost as severe as in India and China. C. was causing significant damage to 20 per cent of farmland. D. could be reduced by converting cultivated land to meadow or forest.

Assuming you build networks to exact specifications, what is the recommended maximum length a 10BaseT cable can be before it has to be segmented or repeated？

Which of the following statements about object oriented databse is not correct？

For relation R where primary key contains multiple attributes,no non-key attribute should

The dung beetles cause an immediate improvement to the quality of a cow pasture.

Questions 23-27
Choose the appropriate letters A-D and write them in boxes 23-27 on your answer sheet.
Research completed in 1982 found that in the United States soil erosion ______.

A. reduced the productivity of farmland by 20 per cent.
B. was almost as severe as in India and China.
C. was causing significant damage to 20 per cent of farmland.
D. could be reduced by converting cultivated land to meadow or forest.