Q:

Which tennis player has won the Grand Slam title in men's singles 2019?

A) Rafael Nadal	B) Roger Federer
C) Novak DJokovic	D) Daniil Medvedev

Answer & Explanation Answer: A) Rafael Nadal

Explanation:

Rafael Nadal defeated Daniil Medvedev in the men's singles title at the 2019 US Open. It was Nadal's 19th Grand Slam singles title, and fourth US Open title.

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Q:

Where does cellular respiration take place in the cell?

A) cytoplasm	B) mitochodria
C) Ribosomes	D) Chromosomes

Answer & Explanation Answer: B) mitochodria

Explanation:

Cellular repiration takes place in the mitochodria.

There are 3 phases of cellular respiration. They are:

1. Glycolysis (Fermentation),

2. Krebs Cycle, and

3. Electron Transport.

Glycolysis takes place in the cytoplasm. The Krebs cycle and electron transport takes place in the mitochondria.

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Q:

Which statement correctly changes the next extent size?

A) ALTER TABLE customer MODIFY NEXT SIZE 300	B) ALTER TABLE customer MODIFY NEXT EXTENT SIZE 300
C) ALTER TABLE customer MODIFY EXTENT SIZE 300	D) ALTER TABLE customer NEXT SIZE 300

Answer & Explanation Answer: A) ALTER TABLE customer MODIFY NEXT SIZE 300

Explanation:

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Filed Under: IBM Certification

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Q:

Where is a hub specified in the OSI model?

A) Data link layer	B) Session layer
C) Application Layer	D) Physical layer

Answer & Explanation Answer: D) Physical layer

Explanation:

Hubs are specified or operate at Layer1 i.e, the physical layer in the OSI model. Hubs regenerate electrical signals. A hub sends data packets (frames) to all devices on a network, regardless of any MAC addresses contained in the data packet.

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Q:

Who has scored the most runs in a single First class innings

A) Hanif Mohammad	B) Brian Lara
C) Sir Donald Bradman	D) Sachin Tendulkar

Answer & Explanation Answer: B) Brian Lara

Explanation:

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Q:

What are the basic expansion card types?

Answer

The basic expansion card types in A+ Hardware certification are ISA and PCI, ISA these can be used only on XT, AT and ATX boards. The industry now considers ISA obsolate.

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Q:

The support cells of the nervous system are

A) astrocytes	B) oligodendrocytes
C) ependymal cells	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

The support cells of the nervous system are Glia, also called glial cells or neuroglia. In the central nervous system, there are four types of supporting cells. They are ::

The_support_cells_of_the_nervous_system_are1547786671.jpg image

* Astrocytes

* Microglial cells

* Ependymal cells

* Oligodendrocytes

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Q:

Which of the following is/are the function(s) of bile juice released from the liver?

I. Make the food coming from stomach alkaline.

II. Conversion of proteins into amino acids.

III. Break down of fats into smaller globules.

A) Only I	B) Only II and III
C) Only I and III	D) All I, II and III

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