computer networks

39. Which of the following statements about best practices covered in ITEC 3210 is (are) true? A. In large organizations, using the host-based architecture for mission critical applications helps prevent collisions B. Using managed networks helps reduce the total cost of ownership of a network C. At the distribution layer, replacing switches by routers helps implement routing protocols that. improve network performance D. a and b E. a,b and c 40. Which of the following statements about network management is (are) FALSE? A. The Total Cost of Ownership measures how much on average it costs per year to keep each client operating B. MTBF and MTTR are used to assess the performance of vendors and guide decisions related to future purchases C. MIB are used to store statistics generated by the Trouble Reporting Systems D. All of the above are false E. None of the above are false 41. Which of the following statements about best practices covered in ITEC 3210 is (are) true? A. Selecting higher nominal data rates helps increase network capacity and reduce transfer time B. Using a logical star topology on each access layer of a network helps improve network availability and response time C. Using switches with higher latency helps improve the response time on a network D. a and b E. a,b and c