Discussion 8

Instructions: Do not combine topics. Answer each letter separately. All answers must be at least five (5) sentences. Include any references.

1) "Logical and Physical Security" Please respond to the following:

• A) Evaluate the effectiveness of the physical and environmental security measures that the organization you researched used in regard to protecting its assets. Indicate improvements to the organization’s security measures where applicable. Justify your response. User this link:  http://csrc.nist.gov/publications/nistpubs/800-47/sp800-47.pdf

• B) Consider a scenario where a financial company, whose management harbors concerns about its immature security posture, has quickly expanded its operations into multiple locations throughout the U.S. Indicate where you believe the company should begin in its securing process with the top-three (3) logical security measures and top-three (3) physical security measures that most concern to you. Justify the main reasons why you believe that the six (6) measures indicated are so critical.

2) Satellite Communication. Please respond to the following:

· A) Justify the circumstances in a business situation in which you would use GEOS, LEOS, and MEOS.

· B) Discuss the business applications currently being used to support VSAT.

3) Data Transmission. Please respond to the following:

· A) Compare the four items related to channel capacity: data rate, bandwidth, noise, and error rate. Determine the most important and justify its significance over the remaining items.

· B) Describe real-world examples of attenuation and white noise. Examine the effect on the information-carrying capacity of the link and present a way to avoid these types of interruptions.