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Data Communications and Network Services

Cisco via Coursera

1 Review 216 students interested
  • Provider Coursera
  • Cost Free Online Course (Audit)
  • Session Upcoming
  • Language English
  • Certificate Paid Certificate Available
  • Effort 2-4 hours a week
  • Start Date
  • Duration 4 weeks long
  • Learn more about MOOCs

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Overview

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Welcome to the third of five courses in the Cisco Networking Basics Specialization.

Now that you know the basics of what an network is and how the devices on a network communicate with each other, it is time to explore the network further. In this course, you will learn the benefits and limitations of the IPv4 addressing system and why NAT and IPv6 were implemented to address the limitations. You will also explore common network services and protocols such as email, web services, instant messaging, DNS, HTTP, HTML, SMTP, Telnet, and SSH.

At the end of this course, you will be able to:

1. Describe the role of network services including DHCP and DNS.
2. Use Cisco Packet Tracer to configure a router to perform DHCP services for a LAN.
3. Explain use of IPv4 private addresses with NAT.
4. Compare TCP and UDP protocol operations for efficiency and reliability.
5. Describe the network services and applications for file transfer, web access, email, remote access and instant messaging.
6. Observe how web requests are processed by the web client and the server.
7. Use various tools to verify network operations.

Syllabus

Obtaining Addressing Information Automatically
-In this module, you will learn the purpose and benefits of using static and dynamic addressing in a network. You will use Packet Tracer to create a small wired network and enable the devices to automatically obtain the needed addressing information to connect to the network.

Limitations of IPv4 and Transitioning to IPv6
-In this module, you learn the benefits and limitations of the IPv4 addressing system and why NAT and IPv6 were implemented to address the limitations. You will use Packet Tracer to create and examine traffic for NAT translations.

Transporting Data Effectively and Efficiently
-In this module, you will observe the interactions that occur between servers and clients as data is requested and transmitted over the network. You will learn how data is transported across the network and the protocols that are used to accomplish the tasks. Comparisons between the two transport layer protocols, TCP and UDP will be made.

Common Network Services
-There are numerous services requested and delivered over the network. Some may seem apparent while others are at work in the background providing needed services. In this module, you will learn about common network services and protocols such as email, web services, instant messaging, DNS, HTTP, HTML, SMTP, Telnet, and SSH.

Taught by

Telethia Willis

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Review for Coursera's Data Communications and Network Services
5.0 Based on 1 reviews

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Mohamoud M
5.0 5 months ago
Mohamoud is taking this course right now, spending 2 hours a week on it and found the course difficulty to be medium.
Iam very happy this course because its my favorite so i like to take this

so i need like this
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