Options: Indexes are created to enforce uniqueness on columns., Indexes are created to enable fast retrieval by column values., Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes., Indexes are created with the ALTER TABLE command.
Options: (A)Process of estimating the costs associated with software development projects that include the effort, time, and labor required. (B) Overall cost of maintaining a computer system that includes the costs associated with personnel / training/ maintenance of hardware and software/ requirements growth. (C) Overall cost of operating a computer system that includes the costs associated with personnel / training / system operations. (D) Overall cost of a computer system to an organization that includes the costs associated with operating/ maintaining the system, and the lifetime of operational use of the system. 16
Options: means storing records in contiguous blocks according to a key., Stores records sequentially but uses an index to locate records, uses an index for each key type, has records placed randomly throughout the file
. The proper definition of a modern digital computer is
Options: A) An electronic automated machine that can solve problems involving words and numbers
B) A more sophistic and modified electronic pocket calculator
C) Any machine that can perform mathematical operations
D) A machine that works on binary code
Options: a method of determining which device has access to the transmission medium at any time, a method access control technique or multiple-access transmission media, a very common bit-oriented data link protocol issued to ISO., network access standard for connecting stations to a circuit-switched network
A network consists of eight NT servers. You are planning to move servers to different segments of your network, what utility should be used at each server to determine which server generates the most traffic?