Computer Networking – Digital Network Security
Course facts
- Payment: Free to learn, certificate paid
- Credits: CPD Credits
- Learning style: Self-paced, start anytime
- Format: Video Based
- Video access: Offline Download (App)
- Refund: Conditional Refund
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Learn network security: VPN protocols such as PPTP and L2TP, firewalls and packet filtering, perimeter networks, proxy servers, NIDS, and NIPS.
As more personal data is stored online, networks need trained people to keep attackers out, even though no network is completely immune. This short course defines network infrastructure and information security, then explains VPN protocols such as PPTP and L2TP with IPSec, custom RRAS configuration, firewalls and the two types of packet filtering, perimeter networks, application-level gateways and proxy servers, and how network intrusion detection and prevention systems (NIDS and NIPS) monitor traffic and stop malicious activity.
What You Will Achieve
- Describe the features and functions of VPN protocols such as PPTP and L2TP
- Explain how firewalls and the two types of packet filtering protect a network
- Describe the role of a perimeter network and an application-level gateway
- Compare network intrusion detection and intrusion prevention systems
Program Overview
Network Security Protocols and Remote Access
Securing connections into and across the network.
- Network security protocols
- Custom RRAS configuration
Firewalls, Proxy Servers and Security Systems
Keeping unwanted traffic out and spotting attacks.
- Firewalls and network security
- Proxy servers and security systems
Certificate Awarded (Paid)
Pass the final course assessment to earn it. The course is free to study; the certificate is optional and has a fee.
Job Outlook
Network security skills are used in IT departments, security teams, and managed service providers, by the engineers and specialists who protect an organization’s networks.
- Network Security Engineer
- Computer Security Specialist
Good for: IT learners who know networking basics and want a short introduction to the main network security tools.
Keep in mind: It matches the security module of the same publisher’s Diploma in Computer Networking, so take one or the other.
Bottom line: A short, focused introduction to network security systems and protocols.
Frequently Asked Questions
How does PPTP work?
The course explains how the Point-to-Point Tunneling Protocol captures Point-to-Point (PPP) frames into IP datagrams for transmission over an IP-based network.
What is a perimeter network?
The course describes a perimeter network as a way to keep certain information open to specific users or the public while keeping the rest of an organization's data private.
What is the difference between NIDS and NIPS?
A network intrusion detection system detects and monitors network traffic, while a network intrusion prevention system inspects, removes, and redirects malicious traffic.
How does L2TP provide encryption?
The course explains that L2TP relies on IPSec in Transport Mode for its encryption services when carrying traffic.
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