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Network Fundamentals
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Learn about basic networking concepts.
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Network Protocols – ICMP
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Learn about the Internet Control Message Protocol (ICMP).
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Network Protocols – ARP
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Learn about the Address Resolution Protocol (ARP).
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Network Protocols – DHCP
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Learn about the Dynamic Host Configuration Protocol (DHCP).
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Network Protocols – DNS
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Learn about the Domain Name System (DNS) protocol.
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Network Devices
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Learn about different network device types.
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Firewalls
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Learn about Cisco’s firewall product line.
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IPS and AMP
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Learn Cisco’s Intrusion Prevention System (IPS) and Advanced Malware Protection (AMP) solutions.
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Email and Web Security
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Learn Cisco’s email and web security solutions.
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Inline Traffic Interrogation, Taps and NetFlow
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Learn about the different ways to intercept network traffic.
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DNS, SMTP/POP3/IMAP
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Syllabus
Syllabus
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.


Meet the author
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.
Associated NICE Work Roles
All Infosec training maps directly to the NICE Workforce Framework for Cybersecurity to guide you from beginner to expert across 52 Work Roles.
- All-Source Analyst
- Mission Assessment Specialist
- Exploitation Analyst
You're in good company
We use Infosec Skills to provide continuous training to our technicians and to prepare them for various certifications. Infosec Skills allows us to create personalized training programs that focus on each of our technicians’ particular roles and see their progress as they take courses. We also, recommend it to clients to make their IT support teams better.
Caleb Yankus
This has been utilized to bridge the skills gap across our cyber team and to aid them as they prepare for their various certifications. It also has provided a nice learning foundation for our various cyber team members to utilize as we continue to find ways for cross-utilization with operations while minimizing the downtime needed to ensure everyone’s knowledge is the same.
Daniel Simpson
We use Infosec Skills to provide base level knowledge for employees. We also use the services to provide in depth learning for employees as they encounter new technologies. If an employee is is assigned to a new project, we can rely on Infosec Skills to provide a rapid concentrated learning environment. This rapid concentrated learning positions our employees for success.
Infosec Skills Teams client
Plans & pricing
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Infosec Skills Personal
- 190+ role-guided learning paths (e.g., Ethical Hacking, Threat Hunting)
- 100s of hands-on labs in cloud-hosted cyber ranges
- Custom certification practice exams (e.g., CISSP, Security+)
- Skill assessments
- Infosec peer community support
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Infosec Skills Teams
- Team administration and reporting
- Dedicated client success manager
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Single sign-on (SSO)
Easily authenticate and manage your learners by connecting to any identity provider that supports the SAML 2.0 standard.
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Integrations via API
Retrieve training performance and engagement metrics and integrate learner data into your existing LMS or HRS.
- 190+ role-guided learning paths and assessments (e.g., Incident Response)
- 100s of hands-on labs in cloud-hosted cyber ranges
- Create and assign custom learning paths
- Custom certification practice exams (e.g., CISSP, CISA)
- Optional upgrade: Guarantee team certification with live boot camps
Unlock 7 days of free training
- 1,400+ hands-on courses and labs
- Certification practice exams
- Skill assessments
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