Introduction to Transport Layer and Network Security
Learn more about encryption, network security and troubleshooting with this free online course.
Take this certificate on your own.
Start now and learn at your own pace.
CertificationView course modules
This free online course introdcues you to security in computer networks by explaining the two types of transport layers - the connection orientated protocols, and the connection less protocols. Next, the course teaches you about UDP on a Cisco packet tracer. For a router to be able to forward packet from source to destination, it needs is a mapping between destination IP address and the port number of this router.
The course introduces you to the most essential part of encryption which is changing the human readable form using some mathematical function. You'll how port numbers help communication between one application and another - by assigning these port numbers the applications are able to determine which packet belongs to which application.
Start this course today and you will gain knowledge computer networks including routing, dynamic routing with distance vector, Transport Layer, TCP, UDP, UDP on a Cisco packet tracer, encryption, network security and troubleshooting.Start Course Now
Tranport Layer, TCP, UDP, Delivery Fiasco and Port Numbers
Tranport Layer, TCP, UDP, Delivery Fiasco and Port Numbers - Learning Outcomes
Introduction to Tranport Layer, TCP, UDP on Cisco Packet Tracer
Delivery Fiasco and Port Numbers
Tranport Layer, TCP, UDP, Delivery Fiasco and Port Numbers - Lesson Summary
Network Security - Learning Outcomes
Introduction to Network Security
The Troubleshooting Approach
Secret Box and Encryption; A Case Study
Introduction to Security and CIA
Network Security - Lesson Summary
Having completed this course you will be able to:
- Identify the concept of transport layer in a network
- Discuss TCP and UDP on Cisco Packet Tracer
- Identify how to troubleshoot a network and challenges of troubleshooting
- Recognize different types of encryption and how to code and decode using different keys
- Differentiate between network security, information on data security, cyber and internet security and certain securities that relate to the computer
All Alison courses are free to enrol, study and complete. To successfully complete this Certificate course and become an Alison Graduate, you need to achieve 80% or higher in each course assessment. Once you have completed this Certificate course, you have the option to acquire an official Certificate, which is a great way to share your achievement with the world. Your Alison Certificate is:
Ideal for sharing with potential employers - include it in your CV, professional social media profiles and job applications
An indication of your commitment to continuously learn, upskill and achieve high results
An incentive for you to continue empowering yourself through lifelong learning
Alison offers 3 types of Certificates for completed Certificate courses:
Digital Certificate - a downloadable Certificate in PDF format, immediately available to you when you complete your purchase
Certificate - a physical version of your officially branded and security-marked Certificate, posted to you with FREE shipping
Framed Certificate - a physical version of your officially branded and security-marked Certificate in a stylish frame, posted to you with FREE shipping
All Certificates are available to purchase through the Alison Shop. For more information on purchasing Alison Certificates, please visit our FAQs. If you decide not to purchase your Alison Certificate, you can still demonstrate your achievement by sharing your Learner Record or Learner Achievement Verification, both of which are accessible from your Dashboard. For more details on our Certificate pricing, please visit our Pricing Page.