Technical Questions

Q:

 The object definition language (ODL) is which of the following?

A) Used to develop logical schemas B) A data definition language for OODB
C) A method to implement a logical schema D) All of the above.
 
Answer & Explanation Answer: D) All of the above.

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Database

0 3507
Q:

Explain the meaning of mutex.

Answer

Mutex is the short form for ‘Mutual Exclusion object’. A mutex allows multiple threads for sharing the same resource. The resource can be file. A mutex with a unique name is created at the time of starting a program. A mutex must be locked from other threads, when any thread that needs the resource. When the data is no longer used / needed, the mutex is set to unlock.

Report Error

View answer Workspace Report Error Discuss

0 3489
Q:

How would you use the function memmove()?

Answer

#include "mem.h"


#include "alloc.h"


main()


{


      int area;


      char *dest;


      char src[] = "Life is the camera and you are the target"


                                  "so keep smiling always";


      area = sizeof (src);


      dest = malloc (area);


      memmove (dest, src, area);


      printf("\n%s", dest);


      printf("\n%s",src);


}

Report Error

View answer Workspace Report Error Discuss

Subject: Programming

1 3485
Q:

What is Beaconing?

Answer

The process that allows a network to self-repair networks problems. The stations on the network notify the other stations on the ring when they are not receiving the transmissions. Beaconing is used in Token ring and FDDI networks.

Report Error

View answer Workspace Report Error Discuss

Subject: Networking
Job Role: Network Engineer

2 3481
Q:

The "curse of dimensionality" relates to which problem of using operational data for BI reporting?

A) Dirty data B) Inconsistent data
C) Too much data D) Non-integrated data
 
Answer & Explanation Answer: C) Too much data

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Database

0 3480
Q:

Differentiate between RAM & ROM?

Answer

RAM: Read / Write memory, High Speed, Volatile Memory.


ROM: Read only memory, low speed, non volite memory.

Report Error

View answer Workspace Report Error Discuss

Subject: Hardware

1 3432
Q:

What is RAID?

Answer

A method for providing fault tolerance by using multiple hard disk drives

Report Error

View answer Workspace Report Error Discuss

Subject: Networking
Job Role: Network Engineer

5 3429
Q:

What does GUI stand for?

Answer

 


Graphical User Interface

Report Error

View answer Workspace Report Error Discuss

Subject: Hardware

1 3426