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Going for the CompTIA Security+?
Check out my Security+ SY0-501 Cert Guide!



Key Stretching and Salting (Security+)

Examine the figure (click to enlarge).

Questions: 1. What did I encrypt? 2. How many iterations (or rounds) were performed?

(see answer below and video response)

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PRNGs (Security+) – Is Chance Predetermined?

Examine the figure. We are collecting noise to increase entropy. What type of algorithm are we developing here? (see answer below and video response.)

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Tech QOTD – Xbox Ports – A+

Take a look at the figure and answer the following two questions. (Click to enlarge. See the answer and video response below.)

What type of HDMI cable do we need to output 4K video? Which of the ports is an optical port?

 

[…] read more

Tech QOTD – Batteries – A+

Take a look at the figure. Can this cause Windows 10 to fail to boot properly? (Click to enlarge. See the answer and video response below.)

 

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Tech QOTD – Password Security (Security+)

Take a look at the figure. Here we have an Cisco SG200 Switch What are the security issues that you can see? (Click the image to enlarge.)

(see answer below and video response)

This is just one of hundreds of questions and answers included with my Security+ Cert Guide.

 

[…] read more

                      
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