Professor Messer IT Certification Training Courses https://www.professormesser.com/ CompTIA A+, Network+, Security+, Microsoft, and Cisco online video technology training Thu, 18 Jun 2026 20:52:47 +0000 en-US hourly 1 https://www.professormesser.com/wp-content/uploads/2021/03/ProfessorMesser_Logo-Letter-white-transparent-150x150.png Professor Messer IT Certification Training Courses https://www.professormesser.com/ 32 32 Today’s 220-1201 CompTIA A+ Pop Quiz: That explains the neon LEDs https://www.professormesser.com/free-a-plus-training/220-1201/220-1201-pop-quizzes/that-explains-the-neon-leds/ Fri, 19 Jun 2026 12:00:53 +0000 https://www.professormesser.com/?p=642857 The post Today’s 220-1201 CompTIA A+ Pop Quiz: That explains the neon LEDs appeared first on Professor Messer IT Certification Training Courses.

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While inspecting a motherboard, a technician notices the four memory slots are color-coded with two black slots and two red slots. What is the most likely reason for this color scheme?

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]]> Professor Messer’s N10-009 Network+ Study Group – June 2026 https://www.professormesser.com/network-plus/n10-009/n10-009-study-group/n10-009-network-study-group-june-2026/ Thu, 18 Jun 2026 20:52:46 +0000 https://www.professormesser.com/?p=642888 Professor Messer’s Network+ Course Notes Get the latest! Click here to learn about my N10-009 Network+ downloadable PDF Course Notes. How well do you know your CompTIA Network+ exam objectives? Follow along with our Q&A in this replay of our June 2026 CompTIA Network+ Study Group. Register now for Professor Messer’s Live Network+ Study GroupsSign […]

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Professor Messer’s Network+ Course Notes

Get the latest! Click here to learn about my N10-009 Network+ downloadable PDF Course Notes.

How well do you know your CompTIA Network+ exam objectives?
Follow along with our Q&A in this replay of our June 2026 CompTIA Network+ Study Group.

Register now for Professor Messer’s Live Network+ Study Groups
Sign up and I’ll send you a reminder email and the link to my live streams!

Audio Replay:

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]]> June 2026 Network+ Study Group How well do you know your CompTIA Network+ exam objectives? Watch this replay of our June 2026 CompTIA Network+ Study Group. CompTIA Network+ n10-009-course-notes-tablet-300px Today’s SY0-701 CompTIA Security+ Pop Quiz: It’s more of a direct deposit https://www.professormesser.com/security-plus/sy0-701/sy0-701-pop-quiz/its-more-of-a-direct-deposit/ Thu, 18 Jun 2026 15:00:36 +0000 https://www.professormesser.com/?p=642849 The post Today’s SY0-701 CompTIA Security+ Pop Quiz: It’s more of a direct deposit appeared first on Professor Messer IT Certification Training Courses.

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An organization discovers that its accounting department has been using an unapproved cloud-based software to manage expenses. Which of the following would best describe this type of security issue?

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]]> Today’s 220-1202 CompTIA A+ Pop Quiz: It works for everything https://www.professormesser.com/free-a-plus-training/220-1202/220-1202-pop-quizzes/it-works-for-everything-2/ Thu, 18 Jun 2026 12:00:38 +0000 https://www.professormesser.com/?p=642855 The post Today’s 220-1202 CompTIA A+ Pop Quiz: It works for everything appeared first on Professor Messer IT Certification Training Courses.

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A system administrator needs to identify any critical operating system files which may have been modified or corrupted by a recent malware infection. Which of the following should be used to verify the integrity of these files and repair them if necessary?

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]]> Today’s 220-1201 CompTIA A+ Pop Quiz: It’s all relative https://www.professormesser.com/free-a-plus-training/220-1201/220-1201-pop-quizzes/its-all-relative/ Wed, 17 Jun 2026 12:00:38 +0000 https://www.professormesser.com/?p=642853 The post Today’s 220-1201 CompTIA A+ Pop Quiz: It’s all relative appeared first on Professor Messer IT Certification Training Courses.

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A technician is explaining to a client why their computer slows down when many programs are open at once. Which of the following would be the most critical component for this type of issue?

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]]> Today’s N10-009 CompTIA Network+ Pop Quiz: Not enough commas https://www.professormesser.com/network-plus/n10-009/n10-009-pop-quiz/not-enough-commas/ Tue, 16 Jun 2026 15:00:34 +0000 https://www.professormesser.com/?p=642847 The post Today’s N10-009 CompTIA Network+ Pop Quiz: Not enough commas appeared first on Professor Messer IT Certification Training Courses.

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A network administrator is reviewing documentation for a segment using the IP address 17.22.90.7. With classful subnetting, which of the following would be associated with this address?

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]]> Today’s 220-1202 CompTIA A+ Pop Quiz: Certainly someone will know https://www.professormesser.com/free-a-plus-training/220-1202/220-1202-pop-quizzes/certainly-someone-will-know/ Tue, 16 Jun 2026 12:00:59 +0000 https://www.professormesser.com/?p=642851 The post Today’s 220-1202 CompTIA A+ Pop Quiz: Certainly someone will know appeared first on Professor Messer IT Certification Training Courses.

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A technician arrives at a workstation they have never serviced before and needs to identify the processor model and available physical memory. Which of the following should be used to quickly provide this information?

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]]> Today’s 220-1201 CompTIA A+ Pop Quiz: This won’t take a second https://www.professormesser.com/free-a-plus-training/220-1201/220-1201-pop-quizzes/this-wont-take-a-second/ Mon, 15 Jun 2026 12:00:24 +0000 https://www.professormesser.com/?p=642844 The post Today’s 220-1201 CompTIA A+ Pop Quiz: This won’t take a second appeared first on Professor Messer IT Certification Training Courses.

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While attempting to disconnect a fiber line from a switch, a technician notices simply pulling the boot of the cable does not release it from the port. If this is a straight tip connector, which of the following must be performed to successfully remove it from the interface?

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]]> Today’s 220-1202 CompTIA A+ Pop Quiz: Bob is always in there https://www.professormesser.com/free-a-plus-training/220-1202/220-1202-pop-quizzes/bob-is-always-in-there/ Fri, 12 Jun 2026 12:00:29 +0000 https://www.professormesser.com/?p=642842 The post Today’s 220-1202 CompTIA A+ Pop Quiz: Bob is always in there appeared first on Professor Messer IT Certification Training Courses.

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A technician suspects a network adapter is failing because it intermittently disappears from the operating system. Which of the following should be used to check the status of the adapter?

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]]> Today’s SY0-701 CompTIA Security+ Pop Quiz: You can’t miss it https://www.professormesser.com/security-plus/sy0-701/sy0-701-pop-quiz/you-cant-miss-it/ Thu, 11 Jun 2026 15:00:30 +0000 https://www.professormesser.com/?p=642834 The post Today’s SY0-701 CompTIA Security+ Pop Quiz: You can’t miss it appeared first on Professor Messer IT Certification Training Courses.

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An organization is deploying a new web server and needs to support several subdomains, including 'mail.example.com' and 'www.example.com', using a single certificate. Which of the following would meet this requirement?

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