. What is the use of Cascade Delete Option in MS Access?
Options: a. It makes sure that all the records from the parent table and child table is deleted from selected database
b. It makes sure that all the related records will be deleted automatically from child table when the records from parent table is deleted
c. It makes sure that all the related records will be deleted automatically from Parent table when the records from child table is deleted
d. None of above
Options: (A)It is a memory buffer that is used to store data that is needed frequently by an algorithm in order to minimize input/ output traffic (B) The number of different values that a given attribute can take (C) A mathematical conception of space where the location of a point is given by reference to its distance from two or three axes intersecting at right angles (D) None of these 1
Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer.
Options: Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology, Ethernet, because it is cabled using fiber-optic cable, Token-Ring, because it uses a MAU, Ethernet, because it can be set up with most topologies and can use multiple transfer speeds
Options: (A)The probability that the system will cause an accident (B) Extent to which a system or component can function correctly in the presence of invalid inputs or stressful environment conditions. (C) The frequency of occurrence with which unexpected behavior is likely to occur (D) None of these 23
The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.
Options: Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel, Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable, Baseband refers to local area networks, and broadband refers to wide area networks., Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed