|
Question 1.1. (TCO 6) Select the best features for an operational support system designed to assist users who must sift through large volumes of management information. (Points : 5)
|
Visual highlighting of information that seems out of the ordinary
Graphical representation of large data sets—diagrams and curves to visualize trends
Functions to sort, search, and filter information according to a wide variety of criteria
None of the above
All of the above
|
|
Question 2.2. (TCO 6) The effectiveness of management is influenced at which layers in the network management structure? (Points : 5)
|
Level of management technology, level of management support, level of management organization, level of management providers
Level of management devices, level of management support, level of management organization
Level of management technology, level of management support, level of management organization
Level of management technology, level of management support, level of management organization, level of managed enablers
None of the above
|
|
Question 3.3. (TCO 6) Which factors comprise the total cost of ownership? (Points : 5)
|
Cost of the operations staff, amortization cost of the operations support infrastructure
Scale index of the operations center, cost for end-user help desk calls
Cost of the operations staff, cost for end-user help desk calls
Cost of the operations staff, amortization cost of the operations support infrastructure, scale index of the operations center, cost for end-user help desk calls
Cost of the operations staff, amortization cost of the operations support infrastructure, scale index of the operations center
|
|
Question 4.4. (TCO 6) Select the best answer about the effectiveness and impact of network management in a business enterprise. (Points : 5)
|
Helps determine where to direct investment into network management, provides a basis for developing ROI models, and provides a foundation for determining when maintenance must be scheduled.
Helps determine where to direct investment into network management, provides a foundation for determining when maintenance must be scheduled
Helps determine where to direct investment into network management, provides a basis for developing ROI models, provides a foundation for determining when maintenance must be scheduled
Provides a basis for developing ROI models, provides a foundation for determining when maintenance must be scheduled
Helps determine where to direct investment into network management, provides a basis for developing ROI models, provides a basis for determining where investment will have the biggest impact
|
|
Question 5.5. (TCO 6) Which gives the best definition of MTBF? (Points : 5)
|
A classical measure of reliability that gives an indication of how often a service or device becomes unavailable
Percentage of time during which a service is functioning properly
Time from service order to service activation
Customer defections from slow order fulfillment and lack of consistent quality
A classical measure for indicating how long it takes for services that are impacted by failures to be restored
|
|
Question 6.6. (TCO 5) Select the examples below that represent proxied tasks by a hierarchical network management system. (Points : 5)
|
Handling high-frequency, high-bandwidth management operations geographically close to the actual equipment and not centrally by the NOC; polling a link for its utilization on behalf of another application; backing up the database server each evening
Handling high-frequency, high-bandwidth management operations geographically close to the actual equipment and not centrally by the NOC; polling a link for its utilization on behalf of another application; backing up the database server each evening; a port interface card counting the number of packets sent each second
Handling high-frequency, high-bandwidth management operations geographically close to the actual equipment and not centrally by the NOC; polling a link for its utilization on behalf of another application
Backing up the database server each evening; a port interface card counting the number of packets sent each second
Polling a link for its utilization on behalf of another application; backing up the database server each evening
|
|
Question 7.7. (TCO 5) Select the two distinct types of management complexity (from either runtime, application, service, or build) that affect scale and must be dealt with when developing and deploying management systems.(Points : 5)
|
Runtime complexity and build complexity
Application complexity and service complexity
Service complexity and build complexity
Runtime complexity and application complexity
Application complexity and build complexity
|
|
Question 8.8. (TCO 5) Select the correct formula for determining scale complexity as a function (f) of port number and domain size. (Points : 5)
|
Scale complexity = f(# devices, domain size).
Scale complexity = f(# ports, # interfaces).
Scale complexity = f(# ports, # devices).
Scale complexity = f(# interfaces, domain name).
Scale complexity = f(# ports, domain size).
|
|
Question 9.9. (TCO 4) Which is not one of the management layer primitives that are found in most management protocols and that form the basis of management communication patterns between manager-agent relationships? (Points : 5)
|
Action primitives
Write primitives
Update primitives
Event-reporting primitives
Read primitives
|
|
Question 10.10. (TCO 4) Which type of event typically requires management attention in a network management system? (Points : 5)
|
A configuration change alert
A threshold-crossing alert
A syslog message alert
An alarm event
An operator activity alert
|
|