ICT Drag & Drop Revision

Select a set at the top. Only one set is shown at a time.

Set 1 – Transmission Media, Capacity and Communication Modes

Drag the best definition beside each term.

Fibre optic
Ethernet Cable
Bandwidth
Simplex
Half-duplex
Full-duplex / duplex

Definitions

Communication in only one direction; the receiver cannot send data back on the same link.
A wired network cable, commonly made from twisted-pair copper, used to connect devices on a LAN.
Communication in both directions at the same time.
A transmission medium that carries data as pulses of light through thin strands of glass or plastic.
Communication in both directions, but only one direction can transmit at a time.
The amount of data that can be transmitted over a communication link in a given time.

Set 2 – Data Transmission, Coding and Compression

Drag the best definition beside each term.

Serial transmission
Parallel transmission
CODEC
Encoding
Decoding
Compression

Definitions

Converting encoded data back into a form that can be understood or used.
Sending several bits at the same time using multiple communication lines.
Reducing the size of data so that it requires less storage space or can be transmitted more efficiently.
Sending bits one after another along a single communication channel.
Converting data into a particular format or code so that it can be stored, processed or transmitted.
A coder-decoder that encodes and decodes digital data, often audio or video.

Set 3 – Authentication and Password Security

Answer the three security activities below.

A. Two-factor authentication (2FA)

Drag the best definition into the box.

Using the same password twice so that the system can check it matches.
Using two different methods to verify a user's identity, such as a password and a code sent to a phone.
Changing a username every time a user signs in.

B. What makes a password strong?

Select all features that normally make a password stronger.

C. Which passwords are stronger?

Select the three strongest choices.

These are examples for the activity only; students should not use these exact passwords for real accounts.