Technical Questions

Q:

What is Bandwidth?

Answer

Every line has an upper limit and a lower limit on the frequency of signals it can carry. This limited range is called the bandwidth

Report Error

View answer Workspace Report Error Discuss

Subject: Networking
Job Role: Network Engineer

1 3172
Q:

The time complexity of sequential search is

A) O(n) B) O(2n)
C) O(n^2) D) None
 
Answer & Explanation Answer: A) O(n)

Explanation:

The time complexity of sequential search is O(n)

Report Error

View Answer Report Error Discuss

Filed Under: Database
Job Role: Database Administration

0 3168
Q:

 Which of the following is an advantage of partitioning?

A) Complexity B) Inconsistent access speed
C) Extra space D) Security
 
Answer & Explanation Answer: D) Security

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Database

0 3166
Q:

Representation level data models provide the concepts that are close to the way many users perceive data

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

Explanation:

High level data models provide the concepts that are close to the way many users perceive data

Report Error

View Answer Workspace Report Error Discuss

Subject: Database
Job Role: Database Administration

0 3165
Q:

The relationship where both the participating entities belong to same entity type is called

A) Participation B) Recursive
C) Standard D) Normal
 
Answer & Explanation Answer: B) Recursive

Explanation:

The relationship where both the participating entities belong to same entity type is called Recursive relationship

Report Error

View Answer Report Error Discuss

Filed Under: Database
Job Role: Database Administration

0 3160
Q:

What is Throughput, Turnaround time, waiting time and Response time?

Answer

Throughput : number of processes that complete their execution per time unit.

Turnaround time : amount of time to execute a particular process.

Waiting time : amount of time a process has been waiting in the ready queue.

Response time : amount of time it takes from when a request was submitted until the firstresponse is produced, not output (for time-sharing environment).

Report Error

View answer Workspace Report Error Discuss

2 3150
Q:

What is a daemon?

Answer

Daemon is a program that runs in the background without user’s interaction. A daemon runs in a multitasking operating system like UNIX. A daemon is initiated and controlled by special programs known as ‘processes’.

Report Error

View answer Workspace Report Error Discuss

0 3146
Q:

What value does read() return when it has reached the end of a file?

A) 1 B) -1
C) 0 D) None
 
Answer & Explanation Answer: B) -1

Explanation:

It returns -1

Report Error

View Answer Report Error Discuss

Filed Under: Programming

1 3127