Take this Exam: T Level Digital: Core Knowledge | Zestly

Question 1

A project manager at Denholm Systems, an invented supplier, writes a document setting out exactly what the software must do for the client. What is that requirements specification mainly for?

Accepted Answer

To serve as the agreed baseline that development builds to and testing is judged against

Answer

To schedule the marketing campaign for the product launch

Answer

To set the hardware budget for the next five years

Answer

To record which staff are assigned to the project

Question 2

Verity Tickets, an invented start-up, sells tickets for events. Traffic is low most of the month and then rises by a factor of fifty for a few hours when a popular event goes on sale. It is choosing between renting cloud capacity and buying its own servers. Which advantage of cloud hosting matters most here?

Accepted Answer

Capacity can be scaled up for those few hours and back down afterwards, so the firm is not paying all year for a peak it meets twice a month

Answer

It gives the firm complete physical control over the hardware its data sits on

Answer

It removes the firm's dependence on an internet connection

Answer

It is always cheaper over the long run than owning servers, whatever the usage

Question 3

Kelmscott Retail, an invented chain, replaces the first line of its telephone customer support with an automated chat system on its website. Which statement best describes the effect of that decision, and who it falls on?

Accepted Answer

It lowers the cost of handling routine enquiries for the company, while customers with a problem the system cannot classify wait longer to reach a person

Answer

It removes the risk of data loss, because fewer staff see customer records

Answer

It guarantees that complaints are resolved correctly, because the system applies the rules consistently

Answer

It removes the need for customer service staff altogether

Question 4

Fenwick Tools, an invented firm, merges customer lists from two old systems. The same person appears as 'J. Okafor', 'Jane Okafor' and 'jane okafor'; some postcodes have no space in them; and a few date-of-birth fields contain the word 'unknown'. What is cleaning this dataset for?

Answer

To make the records consistent and complete enough that a count or a match returns the right answer, since three spellings of one customer would otherwise be counted as three customers

Answer

To reduce the size of the file so that it loads more quickly

Answer

To encrypt the personal data so that it cannot be read if the file is lost

Answer

To convert the unstructured data in the file into structured data

Question 5

Aldermoor Care, an invented organisation, keeps its records on a server in its office. Its risk register names ransomware as the biggest threat: an attacker encrypting the server and demanding payment for the key. Which control does most to limit the harm if that happens?

Answer

Encrypting the data at rest on the server

Answer

Multi-factor authentication on the office wifi

Answer

Offline backups kept away from the server, tested by actually restoring from them

Answer

A penetration test of the organisation's public website