Network Concepts

To become a security analyst, you need to start with understanding the basics of networking.

10 videos  //  43 minutes of training

Free training week — 1,400+ on-demand courses and hands-on labs

Course description

Networks can be complex, confusing and tricky. With this course, you’ll dive into the devices and protocols used in networking, getting to grips with the basics of what you’ll need to know for a successful security analyst career.

Course syllabus

Network FundamentalsDuration: 9:42

Learn about basic networking concepts.

Network Protocols - ARPDuration: 2:55

Learn about the Address Resolution Protocol (ARP).

Network Protocols - ICMPDuration: 4:06

Learn about the Internet Control Message Protocol (ICMP).

Network Protocols - DHCPDuration: 4:01

Learn about the Dynamic Host Configuration Protocol (DHCP).

Network Protocols - DNSDuration: 2:56

Learn about the Domain Name System (DNS) protocol.

Network DevicesDuration: 4:48

Learn about different network device types.

FirewallsDuration: 2:49

Learn about Cisco's firewall product line.

IPS and AMPDuration: 8:38

Learn Cisco's Intrusion Prevention System (IPS) and Advanced Malware Protection (AMP) solutions.

Email and Web SecurityDuration: 1:18

Learn Cisco's email and web security solutions.

Inline Traffic Interrogation, Taps and NetFlowDuration: 1:46

Learn about the different ways to intercept network traffic.

Meet the author

Matt Carey


Matt Carey is a network engineer who has been in the IT field for over a decade. He has worked on over 100 networks with his main focus being Cisco WAN, DC, SDN and security solutions.

Working as a consultant has given him exposure to many different technologies and skills, which has helped him excel in IT. Teaching has always been one of his passions, and he started working as an instructor about five years into his career. He enjoys using his experience to help others further their careers in IT and security.

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