Database Management System Set 18

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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 18

Q1 | Each array declaration need not give, implicitly or explicitly, the information about
Q2 | In                                    attacks, the attacker manages to get an application to execute an SQL query created by the attacker.
Q3 | A Web site that allows users to enter text, such as a comment or a name, and then stores it and later display it to other users, is potentially vulnerable to a kind of attack called a                                        attack.
Q4 |                    is an attack which forces an end user to execute unwanted actions on a web application in which he/she is currently authenticated.
Q5 | A single                              further allows the user to be authenticated once, and multiple applications can then verify the user’s identity through an authentication service without requiring reauthentication.
Q6 | The                                        is a standard for exchanging authentication and authorization information between different security domains, to provide cross- organization single sign-on.
Q7 |                                allows a system administrator to associate a function with a relation; the function returns a predicate that must be added to any query that uses the relation.
Q8 | VPD provides authorization at the level of specific tuples, or rows, of a relation, and is therefore said to be a                             mechanism.
Q9 |                        is widely used today for protecting data in transit in a variety of applications such as data transfer on the Internet, and on cellular phone networks.
Q10 | In a database where the encryption is applied the data is cannot be handled by the unauthorised user without
Q11 | Which of the following is not a property of good encryption technique?
Q12 | In which of the following encryption key is used to encrypt and decrypt the data?
Q13 | Encryption of small values, such as identifiers or names, is made complicated by the possibility of                      
Q14 | Which one of the following uses a 128bit round key to encrypt the data using XOR and use it in reverse to decrypt it?
Q15 | Which of the following requires no password travel across the internet?
Q16 | The                    is the fastest and most costly form of storage, which is relatively small; its use is managed by the computer system hardware.
Q17 | Which of the following stores several gigabytes of data but usually lost when power failure?
Q18 | The flash memory storage used are
Q19 |                      is increasingly being used in server systems to improve performance by caching frequently used data, since it provides faster access than disk, with larger storage capacity than main memory.
Q20 | The primary medium for the long-term online storage of data is the                       where the entire database is stored on magnetic disk.
Q21 | Optical disk                systems contain a few drives and numerous disks that can be loaded into one of the drives automatically (by a robot arm) on demand.
Q22 | There are “record-once” versions of the compact disk and digital video disk, which can be written only once; such disks are also called                      disks.
Q23 | In magnetic disk                  stores information on a sector magnetically as reversals of the direction of magnetization of the magnetic material.
Q24 | A                      is the smallest unit of information that can be read from or written to the disk.
Q25 | The disk controller uses                  at each sector to ensure that the data is not corrupted on data retrieval.
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