Discussion 3 cryptography

Evaluate the history of the Data Encryption Standard (DES) and then how it has transformed cryptography with the advancement of triple DES.  How does this affect the way business is done? How have you used it?

You must use at least one scholarly resource.

– discussion posting must be properly APA formatted.

– 400 words

– No plagiarism 

– References

Reliability and Validity

  1. How do you describe the concepts of validity and reliability? 
  2. From what view did you use in providing that description?

Three references with 450 words

Cellular network

  Base on the reading assignment, your experience, and personal research, please  answer the following questions: 

  • Thoroughly explain the Base Station Controller (BSC) as it relates to a cellular network?
  • What is a Mobile Equipment Identifier (MEID) and what is it used for?
  • As an examiner, why is it important for you to understand how a call is routed through the cellular network?
  • What is the significance of Code Division Multiple Access (CDMA)?
  • List and explain three components of a SIM file system

Post your main response to the question (400 words minimum). 

web dev

 

Based on the feedback from your earlier drafts, make any changes necessary. You will continue to work on your site adding the following elements:

  • Use CSS to position content on at least two pages
  • Add a special effect using CSS on the Homepage
  • Use CSS to “brand” your form

Now that you have begun to write your pages in HTML, please add the following to a comment in the of your work:

  • Name, date, week #, class with section, and campus # (i.e. CIS273001VA016)

Always zip your work into a single folder for uploading to Blackboard. You’ll want to keep each week separate so that you can review earlier iterations of your site, in case you want to revert something back based on feedback from your professor.

Communication audit PPT

 

  1. Pay close attention to the rubric details for each of the following grading criteria as these will serve as your guidelines when preparing your presentation:
    1. Content
    2. Quality of Content
    3. Organization
    4. Written Communication
    5. Visual Aids
    6. Presentation Style
    7. Body Language
    8. Voice
    9. Grammar/Diction
  2. Create a simple thank-you note for your business/organization partner.
  3. Send or present the report to your business/organization partner.
  4. Submit the Audit Report Presentation and the note to the submission folder by the end of the workshop.

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Attached sample PPT. Need one presentation with 6-8 slides

Simple random Sampling Discussion

What’s simple random sampling? Is it possible to sample data instances using a distribution different from the uniform distribution? If so, give an example of a probability distribution of the data instances that is different from uniform (i.e., equal probability).

All discussions should contain at least one reference (and matching in-text citation in APA format).