Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Troubleshooting Internet Connections, Part 1
The CompTIA A+ exams have many network troubleshooting scenario questions. The Great Mikestrami gives you a few rules to help you get through these questions. In addition, a few basic tools and preparation makes troubleshooting most...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Internet of Things (IoT)
Mike explores some of the latest and greatest networking technologies with the Internet of Things (IoT). He describes the three common wireless technologies used to connect to IoT devices, 802.11, Zigbee, and Z-wave. Mike finishes with a...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Virtual Private Networks (VPNs)
In this episode, Mike shows how Virtual Private Networks (VPNs) work and why people use VPN connections. He discusses the types of protocols and clients that make this work today and walks through a generic VPN setup. This clip is from...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Proxy Servers
In this episode, Mike describes how proxy servers work to block certain web sites and filter outgoing or incoming content. The episode shows how to set up a browser to connect to a proxy server. This clip is from the chapter "Book...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - E-Mail
Continuing with the Application-layer protocols, this episode explores e-mail. Mike covers the three classic e-mail protocols, SMTP for sending and POP3 and IMAP4 for receiving. The episode covers typical client configuration using the...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Firewalls and Servers
In this episode, Mike begins the discussion of Application-layer protocols. Starting with a review of the interaction between IP packets and servers, the episode analyzes the functions of local and server-based firewalls. This clip is...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Broadband Connections
In this episode, Mike explores common always-on broadband connections to the Internet. Starting with DSL, the episode looks also at fiber, cable, satellite, and 80 2.11 Wi-Fi. This clip is from the chapter "Book Chapter 21 - The...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Internet Tiers
In this episode, Mike discusses the structure of the Internet. Starting with the Tier 1 carriers, he shows how carriers at each layer relate to their peers and also how they interact with Tiers above and customers below. This episode...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Troubleshooting Wireless Connections
There are few worse feelings than a wireless connection that just doesn't...connect. In situations like this, good techs will have the right tools and skills to diagnose and repair the issue. This clip is from the chapter "Book Chapter...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Beyond Wi-Fi
The 80 2.11 standard isn't the only wireless out there today. Standards such as Bluetooth, RFID and NFC also need the support of good techs. This clip is from the chapter "Book Chapter 20 - Wireless Networking" of the series "CompTIA A+...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Enterprise Wireless
There's a big difference between the 80 2.11 network in your home and small office vs. 802.11 in larger organizations such as businesses, schools, and government offices. Multiple SSIDS, advanced technologies, and more aggressive...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - It's a Huge Mesh
Mesh networking is here and gaining in popularity daily. But what does mesh networking do for your 80 2.11 network? Where do you use it and how is it deployed? This clip is from the chapter "Book Chapter 20 - Wireless Networking" of the...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Wi-Fi Standards
Since the original 80 2.11 standard back in 1999, there have been five major and hundreds of minor revisions. It's impossible to support an 802.11 network without a working understanding of these standards. This clip is from the chapter...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Wireless Network Hardware
The 80 2.11 standard has had a number of improvements over the years, but every version shares common devices and functions that haven't changed in over 20 years. This episode explores wireless access points (WAPs), home routers, and the...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Network Troubleshooting
Networks sometimes fail. A good network tech knows how read symptoms and diagnose a network quickly to enable users to get back to work. This clip is from the chapter "Book Chapter 19 - Local Area Networking" of the series "CompTIA A+...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Virtual LANs (VLANs)
Virtual LANs (VLANs) are common features built into almost all switches. VLANs provide superb control of your LAN but have their own quirks that a good tech understands. This clip is from the chapter "Book Chapter 19 - Local Area...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Basic Router Configuration
All routers share some basic configuration steps every tech must know. From router passwords to LAN IDs, this is the place to learn about these settings. This clip is from the chapter "Book Chapter 19 - Local Area Networking" of the...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Routers
The CompTIA A+ exams challenge test takers to perform many configurations of a typical home router. But what does a router do for a SOHO network? This clip is from the chapter "Book Chapter 19 - Local Area Networking" of the series...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Understanding DNS
Individual hosts use IP addresses, but humans are terrible at memorizing long strings of numbers. To make our lives easier, most TCP/IP networks (and certainly the Internet) use the Domain Name System (DNS) to apply more human-friendly...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Port Numbers
An IP address directs a packet to the right computer, but it's the port number that makes a connection between two applications on separate systems. It's critical to understand how port numbers do their job and to memorize many special...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - IPv6
The traditional IP addressing scheme (called IPv4) is quickly being replaced with the much more advanced IPv6 scheme. IPv6 adds several benefits over IPv4, and good techs know how to use it in our systems. This clip is from the chapter...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Dynamic IP Addressing
Manually entering IP addresses into all our devices is an administrative nightmare. To avoid this mess, smart techs use the Dynamic Host Configuration Protocol (DHCP) to automatically provide IP addressing to individual hosts. This clip...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Introduction to TCP/IP
The Transmission Control Protocol/Internet Protocol (TCP/IP) is the cornerstone of Internet addressing and routing. It's important to understand IP addressing schemes and to see how TCP and IP work together to make the Internet work....
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Network Card Troubleshooting
Without a network card, you won't be able to surf the Web. Hence, this video talks about how to troubleshoot a network card. This clip is from the chapter "Book Chapter 18 - Essentials of Networking" of the series "CompTIA A+...