8.Match the following in RAID scheme : AParallel access array, B-Independent access array, 1- All member disks participate in the execution of every I/O request. 2- Each member disk participates separately in the execution of every I/O request. 3- Here spindles of the individual drives are synchronized so that each disk head is in the same position on each disk at any given time.
Options: (A)A â€“ 1, 3 and B â€“ 2 (B) A â€“ 1, and B â€“ 2, 3 (C) A â€“ 2 and B â€“ 1, 3 (D) A â€“ 1, 2 and B â€“ 3 15
Which of the following statements is a true statement concerning the open database connectivity standard (ODBC)?
Options: Each vendor desiring to be ODBC-complaint provides an ODBC driver., Requires certain criteria to be met in order to establish an ODBC connection., Provides a programming interface that provides a common language for application programs to access and process SQL databases independent of the RDBMS accessed., All of the above.
The core of an electromagnet is said to be in saturation when:
Options: the core is permitted to move freely within the coil, an increase in current through the coil causes no further increase in the mmf, frequent changes in the direction of current through the coil causes heating effects in the core material, changing the polarity of the current in the coil changes the polarity of the magnetic field around the core
Which of the following technique is used for fragment?
Options: a technique used in best-effort delivery systems to avoid endlessly looping packets, a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame, one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size, All of the above