Threads Questions

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41.

Instead of starting a new thread for every task to execute concurrently, the task can be passed to a ___________

A

process

B

thread pool

C

thread queue

D

none of the mentioned

Correct Answer: B

None.

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42.

Each connection arriving at multi threaded servers via network is generally ____________

A

is directly put into the blocking queue

B

is wrapped as a task and passed on to a thread pool

C

is kept in a normal queue and then sent to the blocking queue from where it is dequeued

D

none of the mentioned

Correct Answer: B

None.

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43.

What is the idea behind thread pools?

A

a number of threads are created at process startup and placed in a pool where they sit and wait for work

B

when a process begins, a pool of threads is chosen from the many existing and each thread is allotted equal amount of work

C

all threads in a pool distribute the task equally among themselves

D

none of the mentioned

Correct Answer: A

None.

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44.

If the thread pool contains no available thread ____________

A

the server runs a new process

B

the server goes to another thread pool

C

the server demands for a new pool creation

D

the server waits until one becomes free

Correct Answer: D

None.

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45.

Thread pools help in ____________

A

servicing multiple requests using one thread

B

servicing a single request using multiple threads from the pool

C

faster servicing of requests with an existing thread rather than waiting to create a new thread

D

none of the mentioned

Correct Answer: C

None.

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46.

Thread pools limit the number of threads that exist at any one point, hence ____________

A

not letting the system resources like CPU time and memory exhaust

B

helping a limited number of processes at a time

C

not serving all requests and ignoring many

D

none of the mentioned

Correct Answer: A

None.

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47.

The number of the threads in the pool can be decided on factors such as ____________

A

number of CPUs in the system

B

amount of physical memory

C

expected number of concurrent client requests

D

all of the mentioned

Correct Answer: D

None.

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