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WorksheetsNetwork Layering and Packets
Total questions: 10
Worksheet time: 5mins
What does network layering mean in networking?
Breaking up the sending of messages into separate components and activities
The physical connection of cables in a network
The process of encrypting network communications
Connecting multiple devices to the internet
Which protocol stack is used when connecting a device to the internet?
UDP/IP
TCP/IP
SMTP/POP3
HTTP/FTP
What is the role of the Application layer in network layering?
Routes the packets across the network
Determines how a message is transmitted over a network
Encodes/decodes the message into a form that is understood by the sender and the recipient
Enables the physical transfer of packets between nodes on a network
What does the Transport layer do?
Facilitates the transmission of a message across a network
Breaks down the message into small pieces called packets
Encodes the message into a form that is understood by the sender and recipient
Adds the sender's and recipient's IP addresses
What is the maximum value for each set of digits in an IPv4 address?
1024
500
255
100
What significant problem did IPv6 address?
Speed of internet connections
Encryption of data
Running out of IP addresses
Data packet size
What is packet switching?
A method of encrypting data packets
A method of communication where a message is broken down into small pieces sent separately
A protocol for wireless communication
A type of network topology
What does the header of a packet include?
Only the recipient's IP address
The sender's and recipient's IP addresses, packet number, total number of packets, and protocol details
The entire message to be sent
Only the sender's IP address
How does packet switching enhance fault tolerance in a network?
By increasing the speed of transmission
By sending all packets along the same route
By encrypting each packet differently
By allowing packets to be sent via different routes if a connection fails
What allows network standards to be adapted over time?
The use of the same application layer by all software packages
The unchanging nature of the transport, internet, and link layers
Layering enabling standards to be developed and adapted to new hardware and software
The requirement for all networks to use TCP/IP
