CNat IT TA3

What does data verification check?

• The length of the data being entered

• Whether the data being entered is sensible and reasonable

• Whether the data being entered into a digital system is identical to the source from which it came

• The type of data being entered

Which of the following is an example of a validation tool?

• Manual checking

• Proofreading

• Double entry

• Data type check

What is the main advantage of using government statistics for data collection?

• They are always free to use

• They provide real-time data

• They come from a trusted source

• They are easy to analyze

Which storage option is described as being vulnerable to abrupt power loss and electromagnetic fields?

• Cloud storage

• Network-attached storage (NAS) device

• Portable solid-state drive (SSD)

• Portable USB flash drive

What type of data is described as having only two choices?

• Decimal

• Alphanumeric

• Percentage

• Boolean

What is the main disadvantage of user testing?

• It can be expensive in terms of time and money

• It does not check the functionality of the solution

• It only tests the solution on one type of digital device

• It cannot identify all types of errors

Which of the following is NOT a type of test data?

• Duplicate data

• Valid data

• Extreme data

• Invalid (erroneous) data

What does an input mask validation tool do?

• Makes sure that the data is in a specific format

• Checks the length of the data entry

• Sets an upper and lower boundary for data entry

• Looks up acceptable values in a list

What is the main advantage of cloud storage?

• It can be accessed through a web browser or app

• It does not require an internet connection

• It is completely secure against hacking

• It offers unlimited storage for free

What is the definition of 'Data' according to the text?

• A collection of processed numerical values

• Information that has been processed

• Raw facts and figures before they have been processed

• Data that has been structured and given context