Syllabus
TCP and UDP
Video — 00:07:13
In this episode, Mike discusses TCP (connection-based) and UDP (connectionless) protocols.
ICMP and IGMP
Video — 00:05:59
In this episode, Mike explains the importance of two of the fundamental protocols used in the Internet Protocol Suite, ICMP and IGMP.
Handy Tools
Video — 00:06:35
Explore the various tools that can get quick answers when troubleshooting a network latency issue.
Introduction to Wireshark
Video — 00:10:29
In this episode, Mike goes through a captured data stream using the Wireshark tool.
Introduction to Netstat
Video — 00:08:42
In this episode, Mike demonstrates uses for the powerful netstat command.
Web Servers
Video — 00:11:43
In this episode, Mike discusses Web servers and some of the requirements and protocols used.
FTP
Video — 00:11:37
In this episode, Mike discusses the venerable file transfer protocol.
E-mail Servers and Clients
Video — 00:09:09
In this must-see episode for all aspiring spammers out there, Mike explains the various protocols used in sending and receiving e-mail.
Securing E-mail
Video — 00:05:39
Historically, securing e-mail was a bit complicated. In this episode, Mike explains the various e-mail protocols and the evolution to STARTTLS.
Telnet and SSH
Video — 00:09:08
In this episode, Mike looks at the remote connection protocol called telnet, as well as methods for encrypting telnet connections via SSH.
Network Time Protocol
Video — 00:02:47
Joe goes over how we synchronize time with all our devices using NTP.
Network Service Scenarios
Video — 00:09:25
In this episode, Mike works through some known issues for network service problems.

Meet the author
Mike Meyers, affectionately called the “Alpha Geek,” is the industry’s leading authority on CompTIA certifications. He is the president and co-founder of Total Seminars, LLC, a provider of PC and network repair seminars, books, videos and courseware for thousands of organizations throughout the world. Mike has been involved in the computer and network repair industry since 1987 as a technician, instructor, author, consultant and speaker. He has sold over a million IT and certification books, including the best-selling CompTIA A+ Certification All-in-One Exam Guide and CompTIA Network+ Certification All-in-One Exam Guide. He has personally taught thousands of students, including U.S. senators, U.S. Supreme Court Justices, members of the United Nation, every branch of the U.S. Armed Forces, many branches of the Department of Justice, hundreds of corporate clients and academic students at every level.
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