Investigate simple cloud file storage

Assignment Help Computer Engineering

Reference no: EM132732551

ITECH1102 Networking and Security - Federation University

Week 9 lab sheet: Cloud & Mobile networks

Major goals of this lab sheet:
• Investigate simple cloud file storage
• Investigate the CDMA protocol

Part 1 - Investigate simple cloud file storage. Discussion:
Cloud services come in many shapes and sizes. For large corporates, outsourcing many services to cloud providers can be an effective but sometimes costly option. Fed University, for example, currently uses cloud providers for our corporate web site and also for Workstation management (controlling and updating staff and lab machine software). The university also has plans to use cloud providers for other IT systems.

At the other end of the spectrum is Cloud Storage Services which is primarily directed to the consumer market. These services provide free or subscription-based access to the internet (cloud) based storage and associated services. Products in this category include:
• Microsoft's OneDrive
• Dropbox
• Google Drive
• Apple's iCloud

Federation University students have access to Microsoft's OneDrive Cloud Storage Service.

This Microsoft (Azure) service gives students and staff access to 1TByte of mirrored cloud-based storage. The data is currently stored in Melbourne and Sydney.

OneDrive also allows access to online Microsoft Office applications, or more particular Microsoft Word, Excel and others.

To encourage consumers to use their products, Cloud Storage Service add other services such as file synchronisation to PC's, Macs, Android devices etc.

Today we will use OneDrive to store files from a Windows platform. We will then access those files from our Linux Virtual Machine then edit those files.
Finally, those students with mobile devices can access the cloud-based files from their mobile handsets (smartphones).

Task 1 : Create some file for storing in the cloud.

Students who are working from lab machines can access their OneDrive storage from the OneDrive icon in Windows Explorer.

If you are working from a machine without the OneDrive app you can:
• Install and configure OneDrive on your Windows machine OR
• Access OneDrive from a browser

To access OneDrive from a Browser enter the URL https://onedrive.live.com/about/en-nz/business/ or do a Google search for OneDrive for Business login.

Then enter your Fed Uni email address, follow the prompts to authenticate. The OneDrive interface will open, giving you 1 TByte of cloud storage.
Create the following three document and save them in the cloud:
• A Microsoft Word document
• A Microsoft Excel document
• A text file created with Notepad

Each document should be named week9-lab-xxxxxxx (where xxx is Excel, Word or Notepad). Each file should also include a line of text within the document (Eg. Week 9 lab)

Task 2: Access the file from your Linux Virtual Machine

1. Run Linux Lite.

2. Open a browser and login to OneDrive from the browser.

Note - Our Linux Lite Virtual Machines do not have Excel, Word or Notepad installed. Any editing of these documents will be done using the Cloud provider's online applications.

3. Open the word document and make a few text and formatting changes.

4. Open the Excel document and do the same.

5. Open the Text document and make some changes.

Part 2 - Investigate the CDMA (Code division multiple access) protocols.

CDMA is used widely in mobile phone communications systems.

This digital protocol aims to send the data from multiple devices as a single transmission, therefore, making better use of the radio channel bandwidth.

Each mobile device extracts its own data from the combined transmission, to extract the data from the combined transmission - each user device is allocated a code that is combined with each bit of data to be sent.

The process involves combining many users' data into one transmission and then the extraction of the data at the mobile phone, to extract the data; each mobile device uses its unique chipping code that was used to combine the data at the sender.

This process is demonstrated in the following YouTube video. Please examine it carefully.

Then use the associated spreadsheet to replicate the YouTube video in paper format. This should give you a reasonable understanding of how CDMA works.

Attachment:- Cloud Computing Mobile Networks.rar

Reference no: EM132732551

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