You host a web server in your DMZ that’s configured with your private IP addressing scheme. Which of these would you need to configure in your router to allow access to this server from your public IP address?
1996 called, and they’d like their web server back Read More »
This month: Internal temperature sensors, RAID and RAID parity, DHCP, and A+ exam updates.
Professor Messer’s A+ Study Group – September 2012 Read More »
You want to continue using UAC, but you’d like to change the UAC interaction for certain events. Which of these would be the best way to make this configuration change?
You have just purchased a new dual-core PC, but when you look at the Windows Task Manager’s Performance tab, you see usage statistics for four CPUs. What would be the most likely cause of this difference?
One of your clients is seeing an error message flash by when booting their system, but it goes by too quickly to read. Which of these Windows utilities would be the best choice to help you determine what might be occurring?
Your computer has many options for the storage and retrieval of your important files. In this video, you’ll learn about the most popular options for PC storage.
An Overview of Storage Devices – CompTIA A+ 220-801: 1.5 Read More »
A computer’s expansion cards can provide nearly unlimited upgrade options. In this video, you’ll learn about some of the most popular expansion card types and some of the best practices for installing and configuring expansion cards.
Installing and Configuring Expansion Cards – CompTIA A+ 220-801: 1.4 Read More »
Your computer contains many types of memory. In this video, you’ll learn about ROM, SRAM, SDRAM, and other memory types. You’ll also learn an easy way to calculate the memory bus speed or memory throughput rates of DDR, DDR2, or DDR3 memory.
An Overview of PC Memory Types – CompTIA A+ 220-801: 1.3 Read More »
PC memory consists of many different operating features and specifications. In this video, you’ll learn about memory speeds, memory latency, error correcting memory, multi-channel memory, and much more.
Understanding PC Memory – CompTIA A+ 220-801: 1.3 Read More »
