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CISCO PLACEMENT PREPARATION TEST-1 St. JOSEPH'S @ 26TH MARCH 25

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

What defines a computer network?   

a)

A device that shows output on a monitor   

b)

A group of connected computers and devices that share resources and communicate    

c)

Software for creating documents and presentations 

d)

The outer casing that protects internal computer parts   

2.

How can the internet be best described?

a)

A collection of connected local area networks (LANs) 

b)

A random collection of computers 

c)

A network of connected wide area networks (WANs)   

d)

A single isolated network   

3.

What does OSI stand for in networking?   

a)

Open System Interconnection   

b)

Optical Service Implementation 

c)

Open Service Internet   

d)

Operating System Interface   

4.

In the context of a computer network, what are nodes? 

a)

The computer responsible for routing data 

b)

The computer where data is terminated 

c)

The computer that initiates data transmission   

d)

All of the above 

5.

What is the primary function of the transport layer in the OSI model?   

a)

Data encapsulation    

b)

Error detection and correction     

c)

Establishing, maintaining, and terminating connections

d)

Formatting data for transmission 

6.


What type of network covers a large geographical area, like a city, country, or the world?

a)

WAN

b)

PAN

c)

LAN

d)

MAN

7.


In a computer network, what is the main function of the application layer?

a)

To provide network services to the applications

b)

To transmit data between network devices

c)

To package data for transfer

d)

To route data between networks

8.


Which layer of the OSI model ensures the error-free transmission of data?

a)

Physical Layer

b)

Data Link Layer

c)

Network Layer

d)

Transport Layer

9.

Which layer of the OSI model is responsible for establishing, managing, and terminating sessions between applications?

a)

Session Layer

b)

Transport Layer

c)

Application Layer

d)

Presentation Layer

10.

What is the primary function of the Network Layer in the OSI model?

a)

To provide data routing paths for network communication

b)

To format data

c)

To establish connections

d)

To encode and decode data

11.


The process of encapsulation involves data moving from which layer to which layer?

a)

Application to Physical

b)

Physical to Application

c)

Transport to Network

d)

Network to Transport

12.

Which OSI layer is responsible for error detection and correction at the destination?

a)

Transport

b)

Data Link

c)

Network

d)

Physical

13.

Which protocol operates at the Transport Layer of the OSI model to ensure reliable communication?

a)

ICMP

b)

TCP

c)

UDP

d)

IP

14.

A device is unable to connect to any network. Which OSI layer should be investigated first?

a)

Application

b)

Physical

c)

Presentation

d)

Network

15.


A web application can send data but cannot receive.
What layer could be malfunctioning?

a)

Transport

b)

Presentation

c)

Application

d)

Session

16.

At what speed does tele-computed refer?

a)
  1. Interface speed

b)
  1. Cycles per second

c)
  1. Baud rate

d)
  1. Megabyte load

17.

Which of the following is a Layer 2 protocol?

a)
  1. Ethernet

b)
  1. TCP

c)
  1. IP

d)
  1. UDP

18.

In the OSI model, which layer is responsible for end-to-end communication?

a)
  1. Transport layer

b)
  1. Physical layer

c)
  1. Network layer

d)
  1. Application layer

19.

Which of the following layers does the HTTP protocol work on?

a)
  1. Physical layer

b)
  1. Application layer

c)
  1. Data-link layer

d)
  1. None of the these

20.

Which network is suitable for a building?

a)
  1. WAN

b)
  1. LAN

c)
  1. MAN

d)
  1. PAN

21.

Find out the OSI layer, which performs token management.

a)

Network Layer

b)

Transport Layer

c)

Session Layer

d)

Presentation Layer

22.

Which layers of the OSI determines the interface often system with the user?

a)

Application

b)

Network

c)

Session

d)

Data link

23.

In which OSI layers does the FDDI protocol operate?

a)

Physical & Data Link

b)

session

c)

Network

d)

Transport

24.

The physical layer in an OSI architecture transfers the data in the form of ________

a)

Bits

b)

Bytes

c)

Nibble

d)

None of these

25.

In an OSI model architecture, the packets will be created in ________ layer

a)

Physical layer

b)

Datalink layer

c)

Network layer

d)

Transport layer

26.

The data compression, encoding or encryption can be done in ________ layer

a)

Presentation layer

b)

Network layer

c)

Datalink layer

d)

Session layer

27.

The physical layer in OSI architecture is responsible for _________

a)

Establishing the connection

b)

Maintaining the connection

c)

Deactivating the connection

d)

All of the above

28.

____________ is used to regenerate the signal

a)

Repeater

b)

HUB

c)

Bridge

d)

None of the above

29.

Router operates in which layer of OSI model?

a)

Network ( layer 3)

b)

data link ( Layer 2)

c)

Physical ( layer 1)

d)

Transport ( Layer 4)

30.

Switch operates in which layer of OSI model?

a)

Network ( Layer 3 )

b)

Physical ( Layer 1 )

c)

Datalink ( Layer 2 )

d)

Transport ( Layer 4 )