Database Management System Set 19

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Bachelor of Science in Computer Science FY (BSc CS),

Bachelor of Science in Computer Science SY (BSc CS),

Bachelor of Science in Information Technology SY (BSc IT),

Bachelor of Computer Applications (BCA),

Bachelor of Business Administration in Computer Applications (BBA [CA]),

Bachelor of Science in Information Technology (BSc IT),

Bachelor of Science in Computer Science (BSc CS),

Master of Business Administration (MBA)

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This set of DataBase Management System (DBMS) Multiple Choice Questions & Answers (MCQs) focuses on Database Management System Set 19

Q1 |                    is the time from when a read or write request is issued to when data transfer begins.
Q2 | The time for repositioning the arm is called the                  and it increases with the distance that the arm must move.
Q3 |                    is around one-half of the maximum seek time.
Q4 | Hybrid disk drives are hard-disk systems that combine magnetic storage with a smaller amount of flash memory, which is used as a cache for frequently accessed data.
Q5 | Optical disk technology uses
Q6 | With multiple disks, we can improve the transfer rate as well by                        data across multiple disks.
Q7 |                              partitions data and parity among all N+1 disks, instead of storing data in N-disks and parity in one disk.
Q8 | The RAID level which mirroring is done along with stripping is
Q9 | Where performance and reliability are both important, RAID level          is used.
Q10 |                        is popular for applications such as storage of log files in a database system since it offers the best write performance.
Q11 |                              which increases the number of I/O operations needed to write a single logical block, pays a significant time penalty in terms of write performance.
Q12 | Tertiary storage is built with :
Q13 | Operating system is responsible for
Q14 | A typical tape drive is                  a typical disk drive.
Q15 | During recovery from a failure
Q16 | A magneto-optic disk is :
Q17 | Which of the following are the process of selecting the data storage and data access characteristics of the database?
Q18 | The replacement of a bad block generally is not totally automatic because
Q19 | Which of the following is the oldest database model?
Q20 | The surface area of a tape is                  the surface area of a disk.
Q21 | Which one of the following is not a secondary storage?
Q22 | Which level of RAID refers to disk mirroring with block striping?
Q23 | A unit of storage that can store one or more records in a hash file organization is denoted as
Q24 | The file organization which allows us to read records that would satisfy the join condition by using one block read is
Q25 | What are the correct features of a distributed database?
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