You have a small remote office with a limited number of users that needs to have network access to the corporate headquarters location. The remote site has an Internet connection, but you don’t want to connect your sites using an insecure public network. What’s the best technology for securing network connections between locations, even over public network links?
802.11 wireless networking technologies have changed a lot through the years. In 2001, a cryptographic vulnerability was found in one 802.11 encryption method. Which encryption type should never be used on an 802.11 wireless network?
Which Wi-Fi encryption method should never be used? Read More »
Which of these network and topology types would best categorize a MPLS network?
You are installing an internal modem into a desktop computer system, and you need to connect the telephone cable to the modem. What kind of cable connector is used for telephone and modem connections?
What cable connector is used for telephones and modems? Read More »
Your network adapter has a setting called “duplex” that is currently set to full-duplex. What does this mean?
To use a command line utility, you should usually start with a Windows 32-bit command prompt. Which command launches the 32-bit command prompt window?
You need to have a backup program run every morning at 3am. What Windows program can run programs automatically at a certain time of day?
Which Windows utility can run programs automatically? Read More »
You’ve noticed that your system has become very sluggish and slow to react since loading some additional software. You’d like to examine the real-time CPU utilization of your system to determine which applications may be using processing resources. Which Windows feature would be the best choice to monitor CPU utilization for the entire system and each individual application?
During the startup process of Windows XP startup, you are able to login and view the desktop. Immediately after the desktop appears, an error message in a pop-up box appears on the screen. The error message does not seem to reference a specific application and the message simply says “Error found. Application closing.” What built-in Windows utility would easily help troubleshoot this Windows startup problem?
What program can help you troubleshoot startup errors? Read More »
Your computer has recently been randomly suffering from the dreaded “blue screen of death” Windows STOP error page. What should you do to troubleshoot the problem?
