POSSIBLE QUESTIONS FOR MIDTERM EXAM From: Manjunath Somayaji 1. Multiple Choice: In Telecommunications Network Management, the term ‘OSS’ stands for: a. Object Structure Specification b. Operational Support System c. Operating System Software d. Optical Synchronous System e. Open Services Solutions ANSWER: b - Operational Support System Source: Class Lecture #1 2. Multiple Choice: In the TMN architecture, the interface between the Service Provider and Equipment Vendors is between: a. BML and SML b. BML and NML c. SML and NML d. NML and EML e. EML and NEL ANSWER: d - NML and EML Source: Class Lecture #1 3. Multiple Choice: Alarm Correlation and Fault Localization are functions of: a. AM b. CM c. FM d. PM e. SM ANSWER: c – FM Source: Lecture Notes s4-53 & s4-55 4. Multiple Choice: Fault Management is also referred as: a. Maintenance Management b. Service Management c. Quality Management d. Line Management e. Performance Management ANSWER: a – Maintenance Management Source: Lecture Notes s4-47 5. True/False: ITU does not detail the implementation aspects of TMN and it is open for vendors and service providers to interpret. ANSWER: TRUE Source: “The Use of TMN Architecture as an Integrated Management Framework” – page 4 6. True/False: The Service Level Agreement (SLA) is a contract between a Service Provider and Equipment Vendor specifying performance guarantee of network equipment. ANSWER: FALSE (It is between the service provider and customer) Source: Class Lecture. 7. True/False: The x reference point connects one TMN to another. ANSWER: TRUE Source: Lecture Notes s3-9 8. True/False: Functional Modeling is a powerful tool for defining managed objects for configuration management. ANSWER: TRUE Source: Lecture Notes s4-24 9. Short Essay Question: Briefly describe Containment and Recovery in Security Management. ANSWER: Containment is the group of functions that assist in limiting damage caused by data corruption due to viruses or unauthorized use of a network. Recovery involves the restoration of service and network integrity back to the conditions that existed prior to the security breach. Source: Lecture Notes s5-21 10. Short Essay Question: Briefly describe how better reliability is achieved in telecommunications networks today. ANSWER: Optical fibers are replacing copper wires. VLSI techniques are replacing small scale ICs. Analog equipment is being replaced by digital equipment and better software design methodologies are being used today. Source: Lecture Notes s4-50