The Domain Name System is part of the Internet that we often take for granted. In this video, you’ll learn how the DNS system takes a fully qualified domain name and converts it to an IP address.
CompTIA Network+ N10-005: 1.7 – An Overview of DNS Read More »
Our advanced network management systems use specialized protocols to perform their tasks. In this video, you’ll learn how SNMP, SSH, ICMP, and other protocols are used to keep our networks running at peak efficiency.
CompTIA Network+ N10-005: 1.6 – Management Protocols Read More »
You suspect that a bad DNS server is causing your mail server to fail when sending outbound messages. Which of these Windows commands can tell you which DNS server you are currently using?
We wouldn’t be able to easily browse the web without DNS. In this video, you’ll learn about Domain Name Services and how we use DNS to resolve IP addresses from our domain names.
CompTIA Security+ SY0-301: 1.4 – SSH and Encrypted File Transfer Read More »
We wouldn’t be able to easily browse the web without DNS. In this video, you’ll learn about Domain Name Services and how we use DNS to resolve IP addresses from our domain names.
Windows 7 integrates two of the most popular protocols on the planet; IPv4 and IPv6. In this video, you’ll learn about these protocols, the specifics of addressing with IPv4 and IPv6, and how these technologies are used to communicate across the network.
Microsoft 70-680: 4.1 – An Overview of IPv4 and IPv6 Read More »
Your computer is taking a long time to perform name resolutions when you’re browsing, so you’d like to see which DNS server is configured on your workstation. Which of these command line utilities can provide DNS configuration information?
The TCP/IP protocol is the foundation of today’s network connectivity. In this video, you’ll learn about the TCP/IP settings and some of the loopback and automatic addressing functionality of the protocol.
CompTIA A+ 220-702: 3.1 – Troubleshooting TCP/IP Settings Read More »
The fundamental languages used over our computer networks are a standard set of protocols that are used around the world. In this video, you’ll learn about protocols and the set of standards associated with TCP/IP. You’ll also learn the essentials of TCP/IP and how subnetting can be used to build today’s modern networks.
CompTIA A+ 220-701: 4.1 – Protocols and Addresses Read More »
Often, some of our most irritating network problems are related to logical configuration settings. In this module, you’ll learn how to check port speed, duplex, VLAN configurations, DNS settings, and much more.
CompTIA Network+ N10-004: 4.7 – Troubleshooting Common Logical Connectivity Issues Read More »
