WorksheetsCISCO PLACEMENT PREPARATION TEST-1 St. JOSEPH'S @ 26TH MARCH 25
Total questions: 30
Worksheet time: 15mins
What defines a computer network?
A device that shows output on a monitor
A group of connected computers and devices that share resources and communicate
Software for creating documents and presentations
The outer casing that protects internal computer parts
How can the internet be best described?
A collection of connected local area networks (LANs)
A random collection of computers
A network of connected wide area networks (WANs)
A single isolated network
What does OSI stand for in networking?
Open System Interconnection
Optical Service Implementation
Open Service Internet
Operating System Interface
In the context of a computer network, what are nodes?
The computer responsible for routing data
The computer where data is terminated
The computer that initiates data transmission
All of the above
What is the primary function of the transport layer in the OSI model?
Data encapsulation
Error detection and correction
Establishing, maintaining, and terminating connections
Formatting data for transmission
What type of network covers a large geographical area, like a city, country, or the world?
WAN
PAN
LAN
MAN
In a computer network, what is the main function of the application layer?
To provide network services to the applications
To transmit data between network devices
To package data for transfer
To route data between networks
Which layer of the OSI model ensures the error-free transmission of data?
Physical Layer
Data Link Layer
Network Layer
Transport Layer
Which layer of the OSI model is responsible for establishing, managing, and terminating sessions between applications?
Session Layer
Transport Layer
Application Layer
Presentation Layer
What is the primary function of the Network Layer in the OSI model?
To provide data routing paths for network communication
To format data
To establish connections
To encode and decode data
The process of encapsulation involves data moving from which layer to which layer?
Application to Physical
Physical to Application
Transport to Network
Network to Transport
Which OSI layer is responsible for error detection and correction at the destination?
Transport
Data Link
Network
Physical
Which protocol operates at the Transport Layer of the OSI model to ensure reliable communication?
ICMP
TCP
UDP
IP
A device is unable to connect to any network. Which OSI layer should be investigated first?
Application
Physical
Presentation
Network
A web application can send data but cannot receive.
What layer could be malfunctioning?
Transport
Presentation
Application
Session
At what speed does tele-computed refer?
Interface speed
Cycles per second
Baud rate
Megabyte load
Which of the following is a Layer 2 protocol?
Ethernet
TCP
IP
UDP
In the OSI model, which layer is responsible for end-to-end communication?
Transport layer
Physical layer
Network layer
Application layer
Which of the following layers does the HTTP protocol work on?
Physical layer
Application layer
Data-link layer
None of the these
Which network is suitable for a building?
WAN
LAN
MAN
PAN
Find out the OSI layer, which performs token management.
Network Layer
Transport Layer
Session Layer
Presentation Layer
Which layers of the OSI determines the interface often system with the user?
Application
Network
Session
Data link
In which OSI layers does the FDDI protocol operate?
Physical & Data Link
session
Network
Transport
The physical layer in an OSI architecture transfers the data in the form of ________
Bits
Bytes
Nibble
None of these
In an OSI model architecture, the packets will be created in ________ layer
Physical layer
Datalink layer
Network layer
Transport layer
The data compression, encoding or encryption can be done in ________ layer
Presentation layer
Network layer
Datalink layer
Session layer
The physical layer in OSI architecture is responsible for _________
Establishing the connection
Maintaining the connection
Deactivating the connection
All of the above
____________ is used to regenerate the signal
Repeater
HUB
Bridge
None of the above
Router operates in which layer of OSI model?
Network ( layer 3)
data link ( Layer 2)
Physical ( layer 1)
Transport ( Layer 4)
Switch operates in which layer of OSI model?
Network ( Layer 3 )
Physical ( Layer 1 )
Datalink ( Layer 2 )
Transport ( Layer 4 )
