Before any changes to database structure are attempted one should first:
Options: clearly understand the current structure and contents of the database only., test any changes on a test database only., create a complete backup of the operational database only., All of the above should be done.
Options: implies structure and order, refers to the mannar in which each component functions with other components of the system., means that parts of the computer system depend on one the another., refers to the holism of systems
Options: (A)These system runs on a single processor or an integrated group of processors (B) A system where each sub-system can respond to generated events where the events might be generated from other sub-systems or from the environment of the system. (C) A system continues in operation after some system faults have manifested themselves. (D) A system whose operation is incorrect, if results are not produced according to the timing specifications 100 | 18
Options: identifying sub systems and the interfaces between sub systems, adopting a developed system to the present environment, developing the system as a large, single unit, propose alternatives to the current system
You get a call from a network administrator who tells you that he typed the following into his router: Router(config)#router ospf 1 Router(config-router)#network 10.0.0.0 255.0.0.0 area 0 He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?
Options: The wildcard mask is incorrect., The OSPF area is wrong., The OSPF Process ID is incorrect., The AS configuration is wrong.
Options: (A)Suspends main program, execute procedure P1 and after execution resume main program. (B) Procedure P1 is delayed infinitely due to other procedure are given preference. (C) Procedure P1 is not considered for execution. (D) None of these. 13