What kind of printer is this?
What kind of printer is good for multiple copies and has a low cost per page, but is a bit noisy and has relatively poor graphics quality when compared to other printer types?
What happened to my wireless signal?
A client’s laptop has recently had its internal mini-PCI wireless adapter card replaced. Although the drivers for the card load without any errors and the Windows Device Manager shows the card working properly, the wireless card management software shows very low signal strength. The wireless card keeps dropping its wireless connection and will not maintain a consistent network link. What is the most likely reason for this problem?
CompTIA Network+ N10-004: 6.2 – Firewalls
Firewalls are one of the most fundamental security components in our modern networks, but not all firewalls are created equally. In this module, you’ll learn about common features of modern firewalls, such as network-layer and application-layer firewalls, stateful vs. stateless operation, content filtering, signature identification, and zone-based security.
CompTIA Network+ N10-004: 6.1 – Security Devices
As network professionals, we rely on some core security devices to protect our network. In this video, you’ll learn about network-based firewalls, host-based firewalls, IDS/IPS, and VPN concentrators.
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What’s a good way to get audio into a computer?
One of your clients has asked for an audio input into their laptop computer for recording voice memos. What is the best audio input jack to use for casual voice applications?
CompTIA Network+ N10-004: 5.3 – Hardware Tools
If you’re managing a network, you’ll need a comprehensive toolkit to keep things running at peak efficiency. In this video, you’ll learn about the tools that will make your life a much better place. We’ll discuss cable testers and certifiers, TDRs, multimeters, punch-down tools, voltage event recorders, and much more.
CompTIA Network+ N10-004: 5.2 – Network Scanners
The network is a constantly moving river of information, and it may be necessary to occasionally test the water as it flows by. In this video module, you’ll learn the reasons for scanning your network and the different technologies available to gather information. We’ll also dive into packet analyzers, intrusion detection systems, intrusion prevention systems, and port scanners.
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What is the name of this device?
You’ve removed the cover of your computer to examine the CPU, but you can’t see anything because of the large metal block attached to the top of the chip. The metal block is flat where it attaches to the CPU and has long thin fins that extend away from the processor. What is this odd looking piece of metal called?
CompTIA Network+ N10-004: 5.1 – Command Line Tools
Many of the most powerful network troubleshooting tools can be found at the command line of your operating system. In this video, you’ll learn the importance of command line tools such as traceroute, ipconfig, ifconfig, ping, arping, nslookup, dig, mtr, route, nbtstat, and netstat.
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CompTIA Network+ N10-004: 4.7 – Troubleshooting Wireless Issues
The lack of a physical infrastructure can make troubleshooting a wireless network a bit more complex than traditional wired networks. In this video, you’ll learn how to troubleshoot some of the most common wireless network issues, such as interference, encryption mismatches, frequency problems, bounce, and antenna placement.
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