IST346 Exam 2

Exam Format

  • In class exam, closed book – Nothing but your noggin and a writing instrument
  • Covers everything up to and including this week’s material.
  • You will be given the full 1:20 to complete the exam, which should be more than enough time.
  • You will be given 7 questions total. You must choose 5 of the 7 questions you wish to answer.
  • 5 Questions, each with two parts a) and b) 10 points each part, 100 points total
  • You will either receive full credit (10) half credit (5) or no credit (0) for each question part.
  • In the event you answer more than 5 questions, and do not designate which ones you would like graded, the first 5 answers will be used.
  • The 7 questions you will be assigned on this exam will come from this pool of 13 questions. These will be the exact questions asked unless indicated otherwise. (Questions 3 and4 , for example)

Question Pool (14 total)

  1. Namespaces are an everyday occurrence in IT.
    a) Define flat namespace and give an example of a service that uses a flat namespace.
    b) Define hierarchical namespace and give an example of a service that uses a hierarchical namespace.
  2. Storage Management
    a) Explain the difference between a logical drive and a logical volume.
    b) Define partitioning and formatting.
  3. (Numbers may vary slightly for this question) You have a NAS appliance with 8 disk drives of 1.5 TB each. Assuming that you require fault tolerance in your setup and your raid choices are RAID0, RAID5, RAID6, and RAID 10
    a) Which RAID configuration will be fault tolerant yet have the lowest storage capacity, and what would be that capacity be in TB?
    b) Which RAID configuration will be fault tolerant yet have the highest storage capacity, and what would be that capacity be in TB?
  1. (Numbers may vary slightly for this question) As the director of IT, you know it costs the company $4000 to replace a stolen notebook, and that 2% of your notebook computers is stolen annually.
    a) What is annual anti-theft risk budget for a notebook?
    b) A company wants to sell you a laptop anti-theft device for your notebooks at a cost of $99.95 per year for each notebook. Is this a good investment? Why or why not?
  2. Disaster recovery and business continuity
    a) Define disaster recovery plan; define business continuity plan
    b) Explain why both are important to an organization.
  3. Backups and data integrity
    a) Explain the difference between an incremental and a differential backup.
    b) What is data integrity and why is it important to have data integrity in your backup solution?
  4. Assume you are an IT manager - briefly explain TWO different approaches to mitigating the following types of disasters within your organization:
    a) Users accidentally deleting or overwriting files? (Explain 2 approaches.)
    b) An entire server crashes and the data is not recoverable. (Explain 2 approaches.)
  5. In class and in the Textbook it was emphasized that any offered service being should have production, development and test environments.
    a) Define the role of each of these three environments.
    b) Which environment would you use to recreate a problem encountered in the production environment? Which environment would you use to evaluate / try out a new feature?
  6. Security Policy
    a) Define the term security incident, and give two examples of a security incident
    b) Describe how monitoring and logging can assist with security incidents
  7. Information security is the relationship among assets, threats, and vulnerabilities.
    a) Define these three terms: assets, threats and vulnerabilities.
    d) Give at least two examples of each (two examples of a threat, etc…)
  1. Total Cost of Ownership
    a) Define Direct and Indirect cost.
    b) In class we learned the 30/70 principle. Explain this principle and its relationship to direct and indirect costs.
  2. (Numbers may vary slightly for this question) Your employer likes to redesign their website every two years. Based on a quotation from a vendor “A”, you know an upgrade /redesign of your company’s website will cost $75,000.
    a) What is the expected gain for an ROI of 10%?
    b) If the gain after 2 years is $100,000, what is the ROI?
  3. Your company’s email server is responding slowly and cannot keep up with demand.

a)How can the service be scaled (up or out) in the short-term address demand? For full credit, you must explain what will be done to scale in this fashion.

b)How should the service be scaled in the long run? Again, for full credit explain what is required to scale in this fashion.

  1. a) Define Historical Monitoring and Real-time Monitoring
    b) Explain why both are required to provide adequate service