DSST Introduction to Computing 4

Question 1

Which of the following is NOT an example of system software?

Accepted Answer

Web browser

Answer

A web browser is application software; operating systems, device drivers, and BIOS/UEFI are all system software.

Question 2

In networking, what does a router do?

Accepted Answer

Forwards data packets between different networks

Answer

A router directs data packets between networks, determining the best path for data to travel.

Question 3

The hexadecimal number system uses a base of:

Accepted Answer

16

Answer

Hexadecimal is base-16, using digits 0–9 and letters A–F to represent values.

Question 4

Which of the following best describes open-source software?

Accepted Answer

Software whose source code is freely available for anyone to view and modify

Answer

Open-source software makes its source code publicly available, allowing users to inspect, modify, and distribute it.

Question 5

What is phishing in the context of cybersecurity?

Accepted Answer

Deceiving users into revealing sensitive information via fake communications

Answer

Phishing is a social engineering attack where attackers impersonate legitimate entities to steal credentials or personal data.

DSST - DANTES Subject Standardized Tests Practice Test