Computer Knowledge

Computer Memory and Storage

2,121 Questions

Computer memory and storage questions test foundational knowledge of hardware, cache mapping, and data transfer mechanisms. Key areas include Direct Memory Access, analog recording, and RAID levels. This section is essential for candidates preparing for banking and government computer proficiency tests.

Cache memory mappingDirect memory accessRAID storage levelsHard disk technologyOptical media storageMemory addresses

Computer Memory and Storage Questions

Multiple choice

What is the maximum number of versions of an object that can be stored in Cloud Storage?

  1. 10

  2. 25

  3. 50

  4. 100
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Cloud Storage allows you to store up to 100 versions of an object, including the live version.

Multiple choice

Which storage class is designed for storing data that is rarely accessed?

  1. STANDARD

  2. DURABLE_REDUCED_AVAILABILITY

  3. REGIONAL

  4. COLDLINE
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The COLDLINE storage class is designed for storing data that is rarely accessed and provides the lowest storage cost.

Multiple choice

What is the default retention period for objects in Cloud Storage?

  1. 30 days

  2. 60 days

  3. 90 days

  4. 120 days
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The default retention period for objects in Cloud Storage is 30 days.

Multiple choice

Which storage class is designed for storing data that is accessed infrequently but requires high durability?

  1. STANDARD

  2. DURABLE_REDUCED_AVAILABILITY

  3. REGIONAL

  4. COLDLINE
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The DURABLE_REDUCED_AVAILABILITY storage class is designed for storing data that is accessed infrequently but requires high durability and provides a lower storage cost than the STANDARD storage class.

Multiple choice

What is the maximum retention period for objects in Cloud Storage?

  1. 1 year

  2. 2 years

  3. 3 years

  4. 4 years
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The maximum retention period for objects in Cloud Storage is 4 years.

Multiple choice

Which storage class is designed for storing data that is accessed frequently and requires high durability?

  1. STANDARD

  2. DURABLE_REDUCED_AVAILABILITY

  3. REGIONAL

  4. COLDLINE
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The REGIONAL storage class is designed for storing data that is accessed frequently and requires high durability and provides the highest level of data protection.

Multiple choice

What is the minimum retention period for objects in Cloud Storage?

  1. 1 day

  2. 7 days

  3. 14 days

  4. 30 days
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The minimum retention period for objects in Cloud Storage is 1 day.

Multiple choice

Which storage class is designed for storing data that is accessed infrequently and requires high durability?

  1. STANDARD

  2. DURABLE_REDUCED_AVAILABILITY

  3. REGIONAL

  4. COLDLINE
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The DURABLE_REDUCED_AVAILABILITY storage class is designed for storing data that is accessed infrequently and requires high durability and provides a lower storage cost than the STANDARD storage class.

Multiple choice

What is the maximum number of objects that can be stored in a single Cloud Storage bucket?

  1. 100,000

  2. 1,000,000

  3. 10,000,000

  4. 100,000,000
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The maximum number of objects that can be stored in a single Cloud Storage bucket is 100,000,000.

Multiple choice

What is the term used to describe the ability of a cloud storage system to recover data from multiple copies of the data?

  1. Data Replication

  2. Data Durability

  3. Data Consistency

  4. Data Integrity
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Data replication is the process of creating multiple copies of data in different locations to ensure that the data is available even if one of the copies is lost or corrupted.

Multiple choice

Which of the following is a consistency model that ensures that all reads of data from a cloud storage system return the most recent write?

  1. Strong Consistency

  2. Eventual Consistency

  3. Read-After-Write Consistency

  4. Monotonic Read Consistency
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Strong consistency is a consistency model that ensures that all reads of data from a cloud storage system return the most recent write. This means that there is no delay between when data is written to the system and when it is available to be read.

Multiple choice

What is the term used to describe the ability of a cloud storage system to ensure that data is not lost or corrupted?

  1. Data Durability

  2. Data Consistency

  3. Data Integrity

  4. Data Replication
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Data durability is the ability of a cloud storage system to ensure that data is not lost or corrupted. This is typically achieved through the use of data replication and error-correction codes.

Multiple choice

Which of the following is a type of cloud storage that is designed for storing small amounts of data that is frequently accessed?

  1. Block Storage

  2. Object Storage

  3. File Storage

  4. In-Memory Storage
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In-memory storage is a type of cloud storage that is designed for storing small amounts of data that is frequently accessed. This type of storage is typically much faster than other types of cloud storage, but it is also more expensive.

Multiple choice

Which of the following is a type of cloud storage that is designed for storing large amounts of data that is rarely accessed?

  1. Block Storage

  2. Object Storage

  3. File Storage

  4. Archival Storage
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Archival storage is a type of cloud storage that is designed for storing large amounts of data that is rarely accessed. This type of storage is typically less expensive than other types of cloud storage, but it is also slower.

Multiple choice

Which of the following is a type of cloud storage that is designed for storing files?

  1. Block Storage

  2. Object Storage

  3. File Storage

  4. Relational Database
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

File storage is a type of cloud storage that is designed for storing files. This type of storage typically provides features such as file sharing and version control.