Y12 Digital Solutions quiz

Converting a variable-length set of data to a fixed-length hexadecimal value is known as:

• Hashing

• Checksum

• Encryption

• Authentication

A developer uses consistent color, layout, and typography in a user interface to ensure it is:

• Easy to learn

• Well organized

• Visually appealing

• Accessible to all users

The FTP network protocol is used to:

• Exchange files over the internet

• Encrypt files exchanged over the internet

• Tunnel data packets between a client and server

• Create a secure connection between a client and server

JSON is effective for data exchange because it:

• Structures are hierarchical and easily displayed

• Can be tagged to specific structures in a programming language

• Is human readable with code comments

• Easily converts into various data structures

In a data flow diagram for recording bird sightings, participants can access detailed bird count data. This statement is:

• Correct

• Incorrect

• Incomplete

• Ambiguous

Desk check the algorithm for numX = 8 and numZ = 5:

• Condition 1

• Condition 2

• Condition 3

• Condition 4

Screen-based user interfaces must adjust dynamically to different aspect ratios and dimensions to ensure:

• Safety

• Utility

• Validity

• Reliability

An algorithm for seating plans in a movie theater to maximize ticket sales needs:

• Modularization to suggest alternative movie times

• An algorithm to ensure groups sit two seats apart

• Calculation of movieStartTime – DateTime as a Boolean

• A FOR loop to check booking parameters

For personalized numberplates, the correct SQL statement to order is:

• CREATE TABLE orders product_range = ‘classic_theme’, combination = ‘YIP333’ customerId = 123;

• INSERT INTO orders (customerId, product_range, combination) VALUES (123,‘classic_theme’,‘YIP333’);

• UPDATE orders SET product_range = ‘classic_theme’, combination = ‘YIP333’ WHERE customerId = 123;

• ALTER TABLE orders SET product_range = ‘classic_theme’, combination = ‘YIP333’ WHERE customerId = 123;

To protect the integrity of customer order data, which solution requirement is essential:

• Customers can only track their own parcels

• Customers can track parcels using a parcel ID

• All delivery messages contain a valid checksum

• All delivery messages contain a valid hash function