Skip to content
Professor Messer IT Certification Training CoursesProfessor Messer logo
  • Home
  • About
  • Contact Us
  • 220-1201 A+
    • Start A+ Core 1 Here
    • Free A+ Core 1 Videos
    • A+ Core 1 Course Notes
    • A+ Core 1 Practice Exams
    • Downloadable A+ Core 1 Videos
    • A+ Core 1 Study Group Replays
    • A+ Core 1 Pop Quizzes
  • 220-1202 A+
    • Start A+ Core 2 Here
    • Free A+ Core 2 Videos
    • A+ Core 2 Course Notes
    • A+ Core 2 A+ Practice Exams
    • Downloadable A+ Core 2 Videos
    • A+ Core 2 Study Group Replays
    • A+ Core 2 Pop Quizzes
  • N10-009 Network+
    • Start Network+ Here
    • Free Network+ Videos
    • N10-009 Network+ Course Notes
    • Downloadable Network+ Videos
    • N10-009 Network+ Study Group Replays
    • Network+ Pop Quizzes
  • SY0-701 Security+
    • Start Security+ Here
    • Security+ Videos
    • Security+ Course Notes
    • Security+ Practice Exams
    • Downloadable Security+ Videos
    • Security+ Study Group Replays
    • Security+ Study Resources
    • Security+ Pop Quizzes
  • Events
  • Members
  • Vouchers
Search
Professor Messer IT Certification Training CoursesProfessor Messer logo

What are these power supply specifications?

CompTIA A+ Pop Quizzes / August 14, 2009

The power supply of your computer lists these specifications on the label:

What are these power supply specifications? Read More »

Pages: 1 2

What is this information called?

CompTIA A+ Pop Quizzes / August 13, 2009

What information is contained on the first sector of a hard drive and contains a table of primary partitions, disk signature information, and directions for starting the operating system?

What is this information called? Read More »

Pages: 1 2

Why can’t my computer see my new memory modules?

CompTIA A+ Pop Quizzes / August 12, 2009

You’ve recently upgraded the memory in your computer from 1 GB to 2 GB by removing two 512 MB memory modules and replacing them with two 1 GB memory modules. However, when you boot the computer it beeps and no error messages are shown on the screen. Which one of these would not be a troubleshooting option for this kind of issue?

Why can’t my computer see my new memory modules? Read More »

Pages: 1 2

What is a multi-core CPU?

CompTIA A+ Pop Quizzes / August 11, 2009

You’re looking to purchase a new computer, and you notice that many models include a “dual-core” CPU. What is a significant feature of a dual-core CPU?

What is a multi-core CPU? Read More »

Pages: 1 2

Which expansion bus type is this?

CompTIA A+ Pop Quizzes / August 10, 2009

Which video-based expansion bus was initially released by Intel in 1997 and has evolved into newer specifications that can support rates of up to 2 gigabytes per second? This expansion bus format isn’t included on new motherboards today, but the bus type is still supported on new video adapters available from a few manufacturers.

Which expansion bus type is this? Read More »

Pages: 1 2

What’s the best way to clean motherboard components?

CompTIA A+ Pop Quizzes / August 9, 2009

Which of these options should not be used to clean a motherboard?

What’s the best way to clean motherboard components? Read More »

Pages: 1 2

CompTIA Network+ N10-004: 4.7 – Troubleshooting Common Logical Connectivity Issues

CompTIA Network+ N10-004 / August 8, 2009

Often, some of our most irritating network problems are related to logical configuration settings. In this module, you’ll learn how to check port speed, duplex, VLAN configurations, DNS settings, and much more.

CompTIA Network+ N10-004: 4.7 – Troubleshooting Common Logical Connectivity Issues Read More »

CompTIA Network+ N10-004: 4.7 – Troubleshooting Common Physical Connectivity Issues

CompTIA Network+ N10-004 / August 8, 2009

The quality of your copper and fiber infrastructure affects everything that traverses your network. In this module, you’ll learn the importance of troubleshooting physical issues like crosstalk, attenuation, shorts, opens, and impedance mismatches.

CompTIA Network+ N10-004: 4.7 – Troubleshooting Common Physical Connectivity Issues Read More »

CompTIA Network+ N10-004: 4.6 – Network Troubleshooting Methodologies

CompTIA Network+ N10-004 / August 8, 2009

When a crisis is underway, it can be difficult to follow a logical path to help resolve the problem. In this video, you’ll learn how a detailed methodology can help you through each phase of the troubleshooting process from gathering of information through the resolution and documentation.

CompTIA Network+ N10-004: 4.6 – Network Troubleshooting Methodologies Read More »

What is the professional thing to do?

CompTIA A+ Pop Quizzes / August 8, 2009

A client stops by your office with a broken laptop, and he’s clearly upset over the problems that he’s having. The volume of his voice is becoming increasingly loud, his hands are in constant motion, and he’s speaking very quickly. What would be a good next step?

What is the professional thing to do? Read More »

Pages: 1 2
Post pagination
← Previous 1 … 812 813 814 … 848 Next →
Join the Professor Messer Discord

Categories

  • 220-1201 A+
    • Start A+ Core 1 Here
    • Free A+ Core 1 Videos
    • A+ Core 1 Course Notes
    • A+ Core 1 Practice Exams
    • Downloadable A+ Core 1 Videos
    • A+ Core 1 Study Group Replays
    • A+ Core 1 Pop Quizzes
  • 220-1202 A+
    • Start A+ Core 2 Here
    • Free A+ Core 2 Videos
    • A+ Core 2 Course Notes
    • A+ Core 2 A+ Practice Exams
    • Downloadable A+ Core 2 Videos
    • A+ Core 2 Study Group Replays
    • A+ Core 2 Pop Quizzes
  • N10-009 Network+
    • Start Network+ Here
    • Free Network+ Videos
    • N10-009 Network+ Course Notes
    • Downloadable Network+ Videos
    • N10-009 Network+ Study Group Replays
    • Network+ Pop Quizzes
  • SY0-701 Security+
    • Start Security+ Here
    • Security+ Videos
    • Security+ Course Notes
    • Security+ Practice Exams
    • Downloadable Security+ Videos
    • Security+ Study Group Replays
    • Security+ Study Resources
    • Security+ Pop Quizzes
  • Events
  • Members
  • Vouchers

Recent Posts

  • Professor Messer’s N10-009 Network+ Study Group – December 2025
  • Today’s N10-009 CompTIA Network+ Pop Quiz: There’s still ghosting
  • Today’s 220-1202 CompTIA A+ Pop Quiz: Let’s have a meeting about the meeting
  • Today’s 220-1201 CompTIA A+ Pop Quiz: This hammer fixes everything
  • Professor Messer’s CompTIA A+ 220-1202 Study Group – December 2025

Site Information

Contact Us
About Messer Studios
Privacy Policy
Terms of Service

Copyright © 2025 Messer Studios LLC. All rights reserved.

"Professor Messer" and the Professor Messer logo are registered trademarks of Messer Studios, LLC.