SPSC Computer Science MCQs

PPSC FPSC KPPSC BPSC SPSC Lecturer Computer Science Test 33

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There will be 25 multiple choice question in the test.
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Test Instructions:-
Test Name	Lecturer Computer Science
Subject	Computer Science Test 33
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

Lecturer Computer Science Online Test No. 34

1 / 25

Choose the statement which is not applicable for cable internet access:

It is a shared broadcast medium

It includes HFCs

Cable modem connects home PC to Ethernet port

Analog signal is converted to digital signal in DSLAM

2 / 25

Which address is used in an internet employing the TCP/IP protocols?

physical address and logical address

port address

specific address

all of the mentioned

3 / 25

TCP/IP model was developed ............ the OSI model.

prior to

after

simultaneous to

none of the mentioned

4 / 25

Which layer links the network support layers and user support layers:

session layer

data link layer

transport layer

network layer

5 / 25

In the OSI model, as a data packet moves from the lower to the upper layers, headers are:

Added

Removed

Rearranged

None of these

6 / 25

This layer in an addition to OSI model:

Application layer

Presentation layer

Session layer

Both b and c

7 / 25

StarBand provides:

FTTH internet access

Cable access

Telephone access

Satellite access

8 / 25

Which layer provides the services to user?

application layer

session layer

presentation layer

none of these

9 / 25

Among the optical-distribution architectures that is essentially switched ehternet is:

AON

PON

NON

None of these

10 / 25

Which layer is responsible for process to process delivery?

network layer

transport layer

session layer

data link layer

11 / 25

Application layer is implemented in:

End system

NIC

Ethernet

None of these

12 / 25

The number of layers in ISO OSI reference model:

None of these

13 / 25

Transport layer is implemented in:

End system

NIC

Ethernet

None of these

14 / 25

The OSI model has..................layers.

15 / 25

Which address identifies a process on a host?

physical address

logical address

port address

specific address

16 / 25

In OSI model, when data is sent from device A to device B, the 5th layer to recieve data at B is:

Application layer

Transport layer

Link layer

Session layer

17 / 25

In Internet protocol stack, when data is sent from device A to device B, the 5th layer to receive data at B is:

Application layer

Transport layer

Link layer

Session layer

18 / 25

Home Access is provided by:

DSL

FTTP

Cable

All of these

19 / 25

The number of layers in Internet protocol stack:

None of these

20 / 25

TCP/IP model does not have ............... layer but OSI model have this layer.

session layer

presentation layer

application layer

both (a) and (b)

21 / 25

ONT is connected to splitter using:

High speed fibre cable

HFC

Optical cable

None of these

22 / 25

Delimiting and synchronization of data exchange is provided by:

Application layer

Session layer

Transport layer

Link layer

23 / 25

These factors affect transmission rate in DSL:

The gauge of the twisted-pair line

Degree of electrical interfernece

Shadow fading

Both of these

24 / 25

The functionalities of presentation layer includes:

Data compression

Data encryption

Data description

All of these

25 / 25

OSI stands for:

open system interconnection

operating system interface

optical service implementation

none of these

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