Data Communication & Network Fund

 

Data Communication & Network Fund

 

4-1. Your home is connected to the Internet. You get to create SLAs that the ISP must follow. Being reasonable, write SLAs you would like to have for the following things. Do not just say what each SLA should include; actually write the SLAs as the ISP would write them.
a) Write an SLA for speed.
b) Write an SLA for availability.
c) Write an SLA for latency.
d) Write an SLA for jitter.
4-2. Need to draw diagram for this question.
A company has offices in Honolulu, Seattle, Ogden, and Dublin, Ireland. There are transmission links between Honolulu and Seattle, Seattle and Ogden, and Ogden and Dublin. Seattle needs to communicate at 1 Gbps with each other site. Seattle and Dublin only need to communicate with each other at 1 Mbps. Ogden and Dublin need to communicate at 2 Gbps, and Ogden and Seattle need to communicate with each other at 10 Mbps. How much traffic will each transmission link have to carry? Show your work.
4-3. a) Suppose that an attack would do $100,000 in damage and has a 15% annual probability of success. Spending $9,000 per year on “Measure A” would cut the annual probability of success by 75%. Do a risk analysis comparing benefits and costs. Show your work clearly.
b) Should the company spend the money? Explain.
c) Do another risk analysis if Measure A costs $20,000 per year. Again, show your work.
d) Should the company spend the money? Explain.
4-4. An executive opened an e-mail attachment because the content looked like it came from a subordinate. In addition, the executive knew that the company did antivirus filtering. Actually, this was a spear phishing attempt, and the attachment contained malware. What security planning principle does this breakdown represent?
4-5. Edward Snowden, a server administrator, was able to copy many CIA secret and top secret files to a USB RAM stick. What security planning principle breakdown allowed this?
4-6. Why do you think companies create guidelines for some things instead of creating standards for them?
4-7. If oversight practitioners and implementers disagree on whether an implementation is correct, what might be wrong?
Total 7 questions.

 

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