Tuesday, July 17, 2018
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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...

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...

Tech QOTD – Throughput & Resilience – Network+

Take a look at the figure and answer the following question. There are two patch cables connecting the router and the switch. What technology am...

Tech QOTD – Topic: Aspect Ratios (A+)

Answer the question in the figure.  (Click to enlarge. See the answer and video response below.) Do you enjoy learning by watching? Check out these...

Equipment Links for the Building a Computer Network Video Course

Here's a list of links to some of the products I use in the video course: Building a Computer Network (BACN). Remember to shop...

Tech QOTD – Topic: ACLs (Security+)

Answer the multiple choice question below. (Click the image to enlarge.) (see answer below and video response) This is just one of hundreds of questions and...

Tech QOTD – Topic: Ports (Network+)

Answer the multiple choice question shown in the figure. (Click the figure to enlarge. Text version below.) (see answer below and video response.) You are making...

Tech QOTD – Topic: Wireless Networking (A+)

The router in the figure (a D-Link DIR-655) uses the IEEE 802.11n wireless networking standard as its fastest wireless technology. Question: What two frequency bands...

Tech QOTD – Topic: All-in-one Device Security (Security+)

Answer the multiple choice question below. (Click the image to enlarge.) (Text version below.) (see answer below and video response) This is just one of hundreds...

Tech QOTD – Topic: Interconnecting Office Networks (Network+)

Answer the multiple choice question shown in the figure. Click the figure to enlarge. Text version below. A small office has set up an addition...