CompTIA A+ 220-1101

We often take the DNS resolution process for granted. In this video, you’ll get an insight into what happens behind the scenes when resolving an IP address and how the DNS server configuration is used during the resolution process. << Previous Video: Assigning IP Addresses Next Video: DHCP Configuration >> DNS is the domain name […]

Every device on the network is configured with an IP address. In this video, you’ll learn about IPv4 and IPv6 addressing and the settings for configuring IPv4 on a device. << Previous Video: Network Services Next Video: Assigning IP Addresses >> IP version 4, which you will commonly see written as IPv4, is the primary

It takes many different services to keep a data center running. In this video, you’ll learn about services supporting, DNS, DHCP, printing, email, and more. << Previous Video: Wireless Network Technologies Next Video: IPv4 and IPv6 >> If you’ve ever worked in a data center or you have an organization that has a data center,

There are many different technologies used to support our wireless network connections. In this video, you’ll learn about frequency use, channel designations, regulations, band selections, and Bluetooth connectivity. << Previous Video: Wireless Network Standards Next Video: Network Services >> If you’re using an 802.11 network, there are a number of technical specifications that you need

We use many different types of wireless networks every day. In this video, you’ll learn about the 802.11 standards, the use of long-range fixed wireless, RFID, and NFC technologies. << Previous Video: Software Defined Networking Next Video: Wireless Network Technologies >> Wireless networks have become almost commonplace in our homes and businesses, and we’ve almost

The CompTIA A+ certification is one of the most popular in the world. In this video, you’ll learn about the exam format, topics, and tips that can help you pass this important industry exam. << Previous Video: Main Index Next Video: Laptop Hardware >> If you’re watching this video, then you’re probably interested in the

We have extended the functionality of physical networking devices into cloud-based infrastructures. In this video, you’ll learn about the structure and usability of software defined networking. << Previous Video: Network Devices Next Video: Wireless Network Standards >> The advent of cloud computing has changed networking in many ways. And if you’re a network administrator, you

It takes more than a single router or access point to operate an enterprise network. In this video, you’ll learn about switches, routers, patch panels, PoE, and more. << Previous Video: Common Network Ports Next Video: Software Defined Networking >> If you walk in a data center for any organization, you’ll find many, many different

We use port numbers to differentiate between applications as they traverse the network. In this video, you’ll learn which port numbers are used by some of the most popular protocols. << Previous Video: Introduction to IP Next Video: Network Devices >> In our previous video, we talked about how services have port numbers that they