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Overview of Important Protocols

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Overview of Important Protocols

This course is part of Network Fundamentals Specialization

Instructor: Mai Vang

Included with

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6 modules

Gain insight into a topic and learn the fundamentals.

Beginner level

No prior experience required

3 hours to complete

Flexible schedule

Learn at your own pace

6 modules

Gain insight into a topic and learn the fundamentals.

Beginner level

No prior experience required

3 hours to complete

Flexible schedule

Learn at your own pace

What you'll learn

Understand how protocols like ARP, STP, DHCP, DNS, NAT, and PAT ensure stable and secure network operation
Gain practical knowledge of HTTP, SMTP, Telnet, SSH, and RDP for designing and troubleshooting networks

Skills you'll gain

Tools you'll learn

Details to know

Shareable certificate

Add to your LinkedIn profile

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Build your subject-matter expertise

This course is part of the Network Fundamentals Specialization

When you enroll in this course, you'll also be enrolled in this Specialization.

Learn new concepts from industry experts
Gain a foundational understanding of a subject or tool
Develop job-relevant skills with hands-on projects
Earn a shareable career certificate

There are 6 modules in this course

By completing this course, learners will gain a practical understanding of the essential protocols that power today’s computer networks. You’ll explore the significance of protocols such as ARP and Spanning Tree Protocol, learning how they work together to prevent Layer 2 loops and maintain network stability. The course provides clear explanations of critical services like DHCP and DNS, illustrating how dynamic IP assignment and domain name resolution are fundamental to seamless connectivity. You’ll also delve into NAT and PAT, discovering how these techniques enable secure and efficient internet access for multiple devices.

Unique to this course is its comprehensive yet accessible approach, covering not only foundational protocols but also widely used application-level protocols like HTTP, SMTP, Telnet, SSH, and RDP. Through real-world examples, the content empowers you to confidently design, implement, and troubleshoot robust networks. Whether you’re preparing for a networking career or seeking to strengthen your technical foundation, this course delivers the essential knowledge you need to succeed.

Module details

The MAC address is a unique identifier assigned to each network interface or network adapter, and it plays a vital role in device identification, data link layer communications, and address resolution. Address resolution is the process of resolving an IP address to a MAC address, and it is extensively used when a device wants to communicate with another device on the same local network. In this module, you will learn about the popular Layer 2 protocol, the Address Resolution Protocol (ARP), and its workings as well as the Spanning Tree Protocol (STP), what it is and how it removes loops from the network.

What's included

2 videos4 readings1 assignment

2 videosTotal 17 minutes

Spanning Tree: Part-16 minutes
Spanning Tree: Part-211 minutes

4 readingsTotal 23 minutes

Overview of Important Protocols - Specialization Introduction2 minutes
Overview of Important Protocols Course Syllabus5 minutes
Spanning Tree Protocol10 minutes
Address Resolution Protocol6 minutes

1 assignmentTotal 6 minutes

Knowledge Check - Layer 2 Protocols: Spanning Tree and Address Resolution6 minutes

A router is a networking device that operates in Layer 3 of the OSI model and connects two or more packet-switched networks together. It is responsible for forwarding packets by determining the optimal path for data to reach its destination. This process of selecting the best path for data packets is called routing. The router uses routing protocols and algorithms to find the optimal route for the packets. This topic describes routing and how routing protocols operate in Layer 3.

What's included

2 videos1 reading1 assignment

DHCP and DNS are both important networking protocols that play significant roles in facilitating communication and connectivity within computer networks. In this module, you will learn about the popular application layer protocols, DHCP and DNS, and their roles in IP assignment and IP resolution, respectively.

What's included

1 video1 reading1 assignment

While protocols such as ARP, STP, and DHCP are widely known, protocols such as Hypertext Transfer Protocol (HTTP), File Transfer Protocol (FTP), Secure Shell (SSH), and other commonly known protocols are equally essential for keeping the data flowing in a network. In this module, you will explore these popular networking protocols and understand their role and significance in the networking world.

What's included

1 reading1 assignment

In computer networks, address translation refers to the conversion of one type of network address into another. This translation helps devices on different networks communicate with each other by converting the source and destination addresses. In this module, you will learn about two of the most popular address translations: Network Address Translation and Port Address Translation.