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

Which of the following is a type of data storage that is designed for long-term storage of data that is rarely accessed?

  1. Sequential Access Storage

  2. Direct Access Storage

  3. Network Attached Storage

  4. Cloud Storage
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sequential Access Storage (SAS) is a type of data storage that is designed for long-term storage of data that is rarely accessed. Data is stored on magnetic tape, which is a low-cost and durable storage medium.

Multiple choice

Which of the following is a type of data storage that is provided by a third-party provider over the internet?

  1. Sequential Access Storage

  2. Direct Access Storage

  3. Network Attached Storage

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

Cloud Storage is a type of data storage that is provided by a third-party provider over the internet. This allows users to store and access data from anywhere with an internet connection.

Multiple choice

What is the term used to describe the process of storing data in a compressed format to reduce the amount of storage space required?

  1. Data Compression

  2. Data Encryption

  3. Data Deduplication

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

Data Compression is the process of storing data in a compressed format to reduce the amount of storage space required. This can be done using a variety of algorithms, such as ZIP, RAR, and GZIP.

Multiple choice

Which of the following is a type of data storage that is designed for storing large amounts of unstructured data, such as video, audio, and images?

  1. Sequential Access Storage

  2. Direct Access Storage

  3. Network Attached Storage

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

Object Storage is a type of data storage that is designed for storing large amounts of unstructured data, such as video, audio, and images. Data is stored in objects, which are self-contained units that can be easily managed and accessed.

Multiple choice

What is the term used to describe the process of removing duplicate copies of data from a storage system?

  1. Data Compression

  2. Data Encryption

  3. Data Deduplication

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

Data Deduplication is the process of removing duplicate copies of data from a storage system. This can be done using a variety of algorithms, such as block-level deduplication and file-level deduplication.

Multiple choice

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

  1. Sequential Access Storage

  2. Direct Access Storage

  3. Network Attached Storage

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

Cold Storage is a type of data storage that is designed for storing large amounts of data that is accessed infrequently. Data is stored on magnetic tape or other low-cost, durable storage media.

Multiple choice

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

  1. Sequential Access Storage

  2. Direct Access Storage

  3. Network Attached Storage

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

Hot Storage is a type of data storage that is designed for storing large amounts of data that is accessed frequently. Data is stored on high-performance storage media, such as solid-state drives (SSDs).

Multiple choice

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

  1. Sequential Access Storage

  2. Direct Access Storage

  3. Network Attached Storage

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

Warm Storage is a type of data storage that is designed for storing large amounts of data that is accessed infrequently. Data is stored on high-performance storage media, such as solid-state drives (SSDs), but it is not as fast as hot storage.

Multiple choice

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

  1. Sequential Access Storage

  2. Direct Access Storage

  3. Network Attached Storage

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

Hot Storage is a type of data storage that is designed for storing large amounts of data that is accessed frequently. Data is stored on high-performance storage media, such as solid-state drives (SSDs).

Multiple choice

What is the default storage class for objects in Cloud Storage?

  1. STANDARD

  2. DURABLE_REDUCED_AVAILABILITY

  3. REGIONAL

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

The default storage class for objects in Cloud Storage is STANDARD, which provides durable and highly available storage for frequently accessed data.

Multiple choice

Which storage class is designed for long-term, infrequently accessed data?

  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 long-term, infrequently accessed data and provides the lowest storage cost.

Multiple choice

What is the maximum object size allowed in Cloud Storage?

  1. 5 GB

  2. 10 GB

  3. 50 GB

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

The maximum object size allowed in Cloud Storage is 5 GB.

Multiple choice

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

  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 requires high durability and availability and provides the highest level of data protection.

Multiple choice

What is the minimum number of copies of an object that are stored in Cloud Storage?

  1. 1

  2. 2

  3. 3

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

Cloud Storage stores a minimum of three copies of each object across multiple locations to ensure durability and availability.

Multiple choice

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

  1. STANDARD

  2. DURABLE_REDUCED_AVAILABILITY

  3. REGIONAL

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

The STANDARD storage class is designed for storing data that is accessed frequently and provides the best performance and lowest latency.