CompTIA Network+ N10-005: 1.7 – DNS Records
A DNS server uses many different records to keep all of our IP addresses properly resolved. In this video, you’ll learn about the most important records in your DNS server.
A DNS server uses many different records to keep all of our IP addresses properly resolved. In this video, you’ll learn about the most important records in your DNS server.
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 specialized application protocols make it very easy for us to surf the net, transfer files, and send our email messages. In this video, you’ll learn about common application protocols used by HTTP, IMAP, and VoIP applications.
CompTIA Network+ N10-005: 1.6 – Application Protocols 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 »
The TCP/IP protocol suite is the backbone of modern networks. In this video, you’ll learn how these fundamental protocols are used on today’s global Internet.
CompTIA Network+ N10-005: 1.6 – Networking Protocols Read More »
When you work on a network, you’ll see a lot of applications using many different port numbers. In this video, you’ll learn the about the most popular ports that are used on our networks every day.
CompTIA Network+ N10-005: 1.5 – Common TCP and UDP Ports Read More »
In today’s study group: The purpose of subnets, application firewalls, introduction to DHCP, and access points vs. wireless routers. Professor Messer’s Network+ Course Notes: Have you watched my CompTIA Network+ videos, but you’d like to have all of the notes available in one place? With these detailed Network+ study guides, you can focus your study
Professor Messer’s CompTIA Network+ Study Group – January 2012 Read More »
Most networks are subject to changes that can occur at any time of the day. In this video, you’ll learn about the importance of convergence and which factors can affect the time it takes to converge a network after a change has occurred.
Routing tables are the foundation of any router. In this video, you’ll learn how routing tables work, and we’ll step through a typical network configuration to see how a routers use the routing tables to get your traffic to its destination.
If you manage a network, then you are probably using many different routing protocols. In this video, you’ll learn how Interior Gateway Protocols and Exterior Gateway Protocols work together to connect both your internal networks and your external links.