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হোম›একাদশ-দ্বাদশ শ্রেণি›English Version›Information and Communication Technology›C-06 — Database Management System›C-06-Q085

C-06-Q085mediumsingle_mcq

Why are backups usually stored in separate physical drives?

aTo save money
bBecause data corruption or a disk crash could otherwise affect the backup copy too
cTo make the backup encrypted
dBecause one drive cannot hold backups

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85/143

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এই অধ্যায়ের আরও প্রশ্ন

C-06-Q086Why are data centers usually located in different geological locations?
C-06-Q087Consider the following statements about database security: Which of the following is correct?
C-06-Q088According to the chapter, which databases offer many types of extensive security protections, unlike SQLite?
C-06-Q089The branch of computer science that deals with data encryption is known as —
C-06-Q090In encryption, what is the original (unencrypted) data called?
C-06-Q091The encrypted data is called —
C-06-Q092Which Roman emperor is mentioned as having encoded his letters so only the receiver could decode them?
C-06-Q093Encryption systems are mainly of which two types?
C-06-Q094In symmetric key cryptography, the key used to encrypt and decrypt is —
C-06-Q095Consider the following downfalls of symmetric key cryptography: Which of the following is correct?

C-06 — Database Management System — সব প্রশ্ন দেখুন (143টি) →