Technical Questions

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 3582
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 3582
Q:

Cloud computing is not suited for situations

A) where complex legacy systems have to be ported B) characterized by limited-time tasks
C) involving offloading of expensive computing tasks D) with no existing regulatory compliance issues
 
Answer & Explanation Answer: A) where complex legacy systems have to be ported

Explanation:

Cloud computing is not suited for situations where complex legacy systems have to be ported.

Report Error

View Answer Report Error Discuss

Filed Under: Database
Job Role: Analyst , Database Administration , IT Trainer

36 3581
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 3569
Q:

What does GUI stand for?

Answer

 


Graphical User Interface

Report Error

View answer Workspace Report Error Discuss

Subject: Hardware

5 3568
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 3552
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 3548
Q:

 A report generated by a reporting system is delivered to the appropriate users via a user-accessed Web site. This system uses which of the following report modes?

A) Push B) Pull
C) RFM D) OLAP
 
Answer & Explanation Answer: B) Pull

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Database

0 3518