S08 Online World - Data Exchange

Y Byd Ar-
lein
The Online
World

Cyfnewid Data

Data Exchange

Reorder

Put the packet in order

• Error Control Bits

• Data (payload)

• Source Address

• Destination Address

• Packet Identification

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

Which of these is a disadvantage of packet switching?

• Efficiency

• Losing one packet loses the whole file

• Different routes are chosen

• Security

Match

Match the following

• Transmits in one direction

• Transmits in both directions one at a time

• Transmits in both directions at the same time

Simplex

Half duplex

Full duplex

• Simplex

• Half duplex

• Full duplex

Drag and Drop

In serial transmission​

Placeholder

Drag these tiles and drop them in the correct blank above

Bits are transferred one at a time

Bits are transferred all at once

Bits are transferred in reverse order

Bits are transferred randomly

Drag and Drop

In parallel transmission​ ​

Placeholder

​

Drag these tiles and drop them in the correct blank above

Bits are transferred in reverse order

Bits are transferred randomly

Bits are transferred all at once

Bits are transmitted one at a time

Match

Match the following

• Interference lessened due to twisting wires

• Solid copper core with shielding

• Uses light to transmit data

• Short range, line of sight transmission

• Used for moderate distances, can suffer interference

UTP/STP

Coaxial

Fibre optic

Infrared

bluetooth

• UTP/STP

• Coaxial

• Fibre optic

• Infrared

• bluetooth

Multiple Select

A small business has used Bluetooth to connect computers to one printer in the office
Identify which two of these issues might cause problems

• The printer is a long way from the computer

• The printer is being used by many users at the same time

• The printer is near a kitchenette where there is a kettle and a microwave

• The printer’s NIC is at the back of the device

• The printer is plugged into a socket next to the computer

Open Ended

Explain one example of connecting to the internet wirelessly (AI-marked question)

Categorize

Options (6)

Less chance of hacking

May look different in different browsers

May run slowly if too many users are using it at the same time

Will look the same on different browsers

Dependent on client device capabilities

Potential security vulnerabilities

Organize these options into the right categories

Client side process advantages

Server side process advantages

Client side process disadvantages

Server side process disadvantages