WorksheetsConcept of Layers GCSE
Total questions: 1
Worksheet time: 7mins
What is the primary purpose of dividing networking into layers?
To focus only on security and encryption
To make it more difficult for devices from different vendors to work together
To simplify the networking process by dividing it into manageable sub-problems
To increase the complexity of networking
Which method is mentioned as a way to transfer data between devices?
Using a single type of cable for all data transfer
Only using wireless methods
Using peer-to-peer and client-server methods
Transferring data without splitting into packets
What is the role of the transport layer in the TCP-IP protocol stack?
To handle the physical connection between nodes
To decide the final destination of the packet
To add a source and destination IP address to each packet
To establish an end-to-end connection and split data into packets
What does the network (internet) layer add to each packet?
A source and destination MAC address
A source and destination IP address
The total number of packets and a port number
An application protocol header
Why are packets numbered in the transport layer?
To identify the type of application used
To make encryption easier
To ensure packets can be reassembled in the correct order
To increase the speed of data transfer
What is the significance of the TCP-IP protocol stack?
It allows any device to communicate and transfer data across the internet
It is a single protocol that cannot be divided
It is only used for local area networks
It is outdated and no longer in use
What happens to a packet when it reaches a router according to the TCP-IP model?
The router adds an application layer header
The router converts the packet into a frame
The router immediately sends the packet to its final destination
The router strips off the outer layer and passes it up to the network layer
What layer is responsible for adding the MAC address to packets?
Link (physical) layer
Network layer
Application layer
Transport layer
Which of the following tasks is NOT mentioned as a responsibility of software in networking?
Handling tasks without knowing about other software in higher or lower layers
Encrypting all data packets
Routing traffic using IP
Sending web pages using HTTPS
What is the purpose of using different types of cables and wireless methods in networking?
To accommodate different data transmission needs and environments
To ensure data can only be sent in one direction
To limit the speed of data transfer
To complicate the networking setup process
