This month; single-mode vs. multi-mode fiber, a comparison of logical and physical network topology documentation, capturing packets with Wireshark, contrasting hubs, switches, and routers, and much more!
Professor Messer’s Network+ Study Group – January 2013 Read More »
This month; a real-world OSI model, TCP and UDP port memorization, relative network speeds, and the risk of public WiFi networks.
Professor Messer’s Network+ Study Group – December 2012 Read More »
My CompTIA certification is only valid for three years. How can I renew it?
My CompTIA certification is only valid for three years. How can I renew it? Read More »
I heard the exams now include performance-based questions. What does this mean?
I heard the exams now include performance-based questions. What does this mean? Read More »
I failed my certification exam. What can I do now?
I failed my certification exam. What can I do now? Read More »
How close together should I schedule my A+ exams?
CompTIA A+ FAQ: How close together should I schedule my A+ exams? Read More »
How much does my CompTIA certification exam cost?
CompTIA FAQ: How much does my CompTIA certification exam cost? Read More »
What kind of job can I get with the CompTIA A+ certification?
CompTIA FAQ: What kind of job can I get with the CompTIA A+ certification? Read More »
Are these videos updated with the latest certification content?
CompTIA FAQ: Are these videos updated with the latest certification content? Read More »
Can I pass my certification by just watching these videos?
CompTIA FAQ: Can I pass my certification by just watching these videos? Read More »
