TCP/IP And OSI Reference Model

Overview

While the OSI Reference Model provides us with a conceptual framework for talking about how networks function, it is the TCP/IP protocols that are essential for actually enabling modern networking and data communications.

Imagine that you are relaxing at your favorite local coffee shop enjoying a delicious beverage. You turn on your laptop or smartphone, connect to the shop’s wireless local area network (WLAN), and use the Internet to access your cloud-based e-mail (for example Gmail). What protocols make it all work?

In this assignment, you explain and illustrate concepts and functioning of some TCP/IP protocol functions and interactions related to the use of cloud-based e-mail from a client connected to a WLAN.

Directions

Part 1 – E-mail client and Cloud-Based E-mail Path Diagram

Draw a diagram of a typical data transmission path between an e-mail client and a cloud-based e-mail server depicting the following components involved in the data transmission.

Physical media.
Wireless access point.
Local and remote switches and routers.
Firewalls.
ISPs and the Internet Cloud service provider.

Make sure to do the following:

Create a network diagram that accurately depicts cloud-based e-mail server to remote client transmission.

Part 2 – The OSI Layer and Security

Write a detailed narrative explanation of the primary function of each OSI layer and describe its part in facilitating a typical data transmission from a cloud-based e-mail server to a remote client computer. After that, describe three or four security issues inherent to the TCP/IP protocol suite.

Make sure to do the following:

Explain the primary function of each layer of the OSI model and its related TCP/IP protocols.
Describe the OSI layers’ part in facilitating a typical data transmission from a cloud-based e-mail server to a remote client computer.
Describe security problems inherent to the TCP/IP protocol suite.
Frame your explanations using vocabulary and frameworks that are appropriate for technical stakeholders.

Submission Requirements

Submit a single Word document with both parts of this assignment.
Font: Times New Roman, 12 point.
Format: Double spaced lines. Use current APA style and format.

Resources

TCP/IP and OSI Reference Model Scoring Guide.

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