Technical Questions

Q:

 The expression FOR XML RAW tells SQL Server to:

A) place the values of the columns as attributes in the resulting XML document. B) place the values of the columns into elements rather than attributes.
C) place some columns into elements and others into attributes. D) None of the above is correct.
 
Answer & Explanation Answer: A) place the values of the columns as attributes in the resulting XML document.

Explanation:
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Filed Under: Database

0 3850
Q:

Using OQL, you may do which of the following?

A) Return an entire collection of elements including duplicates. B) Return a collection of elements without duplicates.
C) Return a specific subset of elements using a given criteria. D) All of the above.
 
Answer & Explanation Answer: D) All of the above.

Explanation:
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Filed Under: Database

0 3818
Q:

What are the best way to prevent a computer virus from entering your computer?

Answer

1.Logout of your computer each time you have finished using it


2.Install and use anti-virus software on your computer 


3.Do not use emails on your machine


4.Make sure all your files are safely stored to your floppy disks

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Subject: Hardware

2 3814
Q:

What are software interrupts?

Answer

RST0, RST1, RST2, RST3, RST4, RST5, RST6, RST7.

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Subject: Hardware

2 3794
Q:

Where's MBR located on the disk?

Answer

 Main Boot Record is located in sector 0, track 0, head 0, cylinder 0 of the primary active partition.

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Subject: Hardware

1 3792
Q:

Does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes?

A) Yes B) No
C) May be Yes or No D) None
 
Answer & Explanation Answer: B) No

Explanation:

No.Minimal spanning tree assures that the total weight of the tree is kept at its minimum. But it doesn’t mean that the distance between any two nodes involved in the minimum-spanning tree is minimum.

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Filed Under: Database
Job Role: Database Administration

1 3789
Q:

Management Information Base is not a part of every SNMP-managed device

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

Management Information Base is part of every SNMP-managed device. Each SNMP agent has the MIB database that contains information about the device's status, its performance, connections, and configuration. The MIB is queried by SNMP.

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Subject: Networking
Job Role: Network Engineer

0 3782
Q:

Why does microprocessor contain ROM chips?

Answer

Microprocessor contain ROM chip beacause it contain instructions to execute data. It contain the monitor program which not only include execution instruction but also interfacing program

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Subject: Hardware

1 3782