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Welcome to the Storage and File Structures MCQs Page

Dive deep into the fascinating world of Storage and File Structures with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Storage and File Structures, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Storage and File Structures, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

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Check out the MCQs below to embark on an enriching journey through Storage and File Structures. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Storage and File Structures. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Storage and File Structures MCQs | Page 17 of 20

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Q161.
In Flash memory, the erase operation can be performed on a number of pages, called an _______ at once, and takes about 1 to 2 milliseconds.

a.

Delete block

b.

Erase block

c.

Flash block

d.

Read block

Discuss
Answer: (b).Erase block
Q162.
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.

a.

Hybrid drivers

b.

Disk drivers

c.

Hybrid disk drivers

d.

All of the mentioned

Discuss
Answer: (b).Disk drivers
Q163.
______________ partitiones data and parity among all N+1 disks, instead of storing data in N-disks and parity in one disk.

a.

Block interleaved parity

b.

Block interleaved distributed parity

c.

Bit parity

d.

Bit interleaved parity

Discuss
Answer: (b).Block interleaved distributed parity
Q164.
Hardware RAID implementations permit _________ that is, faulty disks can be removed and replaced by new ones without turning power off.

a.

Scrapping

b.

Swapping

c.

Hot swapping

d.

None of the mentioned

Discuss
Answer: (c).Hot swapping
Q165.
______________ 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.

a.

RAID level 1

b.

RAID level 2

c.

RAID level 5

d.

RAID level 3

Discuss
Answer: (a).RAID level 1
Q166.
A unit of storage that can store one or more records in a hash file organization is denoted as

a.

Buckets

b.

Disk pages

c.

Blocks

d.

Nodes

Discuss
Answer: (a).Buckets
Q167.
The file organization which allows us to read records that would satisfy the join condition by using one block read is

a.

Heap file organization

b.

Sequential file organization

c.

Clustering file organization

d.

Hash file organization

Discuss
Answer: (c).Clustering file organization
Q168.
What are the correct features of a distributed database?

a.

Is always connected to the internet

b.

Always requires more than three machines

c.

Users see the data in one global schema.

d.

Have to specify the physical location of the data when an update is done

Discuss
Answer: (c).Users see the data in one global schema.
Q169.
Each tablespace in an Oracle database consists of one or more files called

a.

Files

b.

name space

c.

datafiles

d.

PFILE

Discuss
Answer: (c).datafiles
Q170.
The management information system (MIS) structure with one main computer
system is called a

a.

Hierarchical MIS structure

b.

Distributed MIS structure

c.

Centralized MIS structure

d.

Decentralized MIS structure

Discuss
Answer: (c).Centralized MIS structure
Page 17 of 20

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