Options: (A)The set of system services and constraints in details (B) System functions that restricts the use of objects to certain users (C) Purposeful collection of interrelated components that work together to achieve some objective. (D) None of these 26
Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model?
Which of the following is not true of a magnetic disk?
Options: It is expensive relative to magnetic tape, It provides only sequential access to stored data, Users can easily update records by writing over the old data, It does not provide an automatic audit trail
Options: (A)It shows the software process as a set of activities each of which carries out data transformation. (B) Data and associated programs are reengineered to remove limits on the data processing. (C) It is responsible for the definition, operation, protection, performance, and recovery of a database. (D) Development of a database to meet a userâ€™s requirements. 16
Options: a. Means do not change the value in the primary key field if that record has related records in another table
b. Means change all the related records in child tables if the record in parent table is changed
c. Both of above
d. None of above
Options: A virtual table that can be accessed via SQL commands, A virtual table that cannot be accessed via SQL commands, A base table that can be accessed via SQL commands, A base table that cannot be accessed via SQL commands