Tag: telnet

Common TCP and UDP Ports – CompTIA A+ 220-901 – 2.4

Common TCP and UDP Ports – CompTIA A+ 220-901 – 2.4

December 11, 2015

We use transport-layer protocols to communicate to specific services on a remote device. In this video, you’ll learn about some of the most popular TCP and UDP ports used on our servers.

Continue Reading

Application Ports and Protocols – CompTIA Network+ N10-006 – 5.10

Application Ports and Protocols – CompTIA Network+ N10-006 – 5.10

May 14, 2015

The knowledge of our application ports and protocols is important for network security and management. In this video, you’ll learn about the popular application ports and protocols on your network.

Continue Reading

Telnet and SSH – CompTIA Security+ SY0-401: 1.4

Telnet and SSH – CompTIA Security+ SY0-401: 1.4

August 4, 2014

Terminal access to remote devices is an important part of network and security management. In this video, you’ll learn how to use Telnet and SSH to manage your network infrastructure.

Continue Reading

CompTIA Network+ N10-005: 1.6 – Management Protocols

CompTIA Network+ N10-005: 1.6 – Management Protocols

January 19, 2012

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.

Continue Reading

I can see you there

I can see you there

July 11, 2011

Your organization has been using the insecure Telnet protocol to communicate to your company web servers. What secure protocol should you recommend to replace these Telnet sessions?

Continue Reading

CompTIA A+ 220-702: 3.1 – Network Troubleshooting Tools

CompTIA A+ 220-702: 3.1 – Network Troubleshooting Tools

July 30, 2010

There are many network troubleshooting tools available at the command line. In this video, you’ll learn how to use tools such as ping, tracert, nslookup, netstat, and many others.

Continue Reading

CompTIA A+ 220-701: 4.1 – Common Ports

CompTIA A+ 220-701: 4.1 – Common Ports

April 18, 2010

The TCP and UDP protocols use ports to associate application communication between devices. In this video, you’ll get an overview of ports and you’ll learn which ports are most commonly found on the network.

Continue Reading

CompTIA A+ 220-701: 3.2 – Command Line Utilities

CompTIA A+ 220-701: 3.2 – Command Line Utilities

February 23, 2010

There is a wealth of Windows utilities that can be run directly from the command line or launched from the Start menu. In this video, we’ll examine utilities like telnet, ping, msconfig, dxdiag, and many more.

Continue Reading