Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

AWS Cloud Practitioner Essentials > Storages and Databases > Flashcards

Storages and Databases Flashcards

1
Q

What is an Instance Store

A

temporary block-level storage for an Amazon EC2 instance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is Amazon Elastic Block Store (Amazon EBS)

A

a service that provides block-level storage volumes that you can use with Amazon EC2 instances

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is an EBS Snapshot

A

an incremental backup
-First backup taken of a volume copies all the data.

-For subsequent backups, only the blocks of data that have changed since the most recent snapshot are saved.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is Object Storage

A

each object consists of data, metadata, and a key

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

When you modify a file in block storage, only the pieces that are changed are updated. When a file in object storage is modified…

A

the entire object is updated.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is Amazon Simple Storage Service (Amazon S3)

A

a service that provides object-level storage.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What does Amazon Simple Storage Service (Amazon S3) store data as

A

stores data as objects in buckets.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the maximum file size for an object in Amazon S3

A

5 TB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the 8 Amazon S3 storage classes

A

-S3 Standard
-S3 Standard - Infrequent Access (S3 Standard-IA)
-S3 One Zone - Infrequent Access (S3 One Zone-IA)
-S3 Intelligent Tiering
-S3 Glacier Instant Retrieval
-S3 Glacier Flexible Retrieval
-S3 Glacier Deep Archive
-S3 Outposts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is S3 Standard storage class

A

-Designed for frequently accessed data

-Stores data in a minimum of three Availability Zones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is S3 Standard - Infrequent Access (S3 Standard-IA)

A

-Ideal for infrequently accessed data

-Similar to Amazon S3 Standard but has a lower storage price and higher retrieval price

-Stores data in a minimum of three Availability Zones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is S3 One Zone - Infrequent Access (S3 One Zone-IA)

A

-Stores data in a single Availability Zone

-Has a lower storage price than Amazon S3 Standard-IA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is S3 Intelligent Tiering

A

-Ideal for data with unknown or changing access patterns

-Requires a small monthly monitoring and automation fee per object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How does S3 Intelligent Tiering Work

A

If you haven’t accessed an object for 30 consecutive days, Amazon S3 automatically moves it to the infrequent access tier, S3 Standard-IA. If you access an object in the infrequent access tier, Amazon S3 automatically moves it to the frequent access tier, S3 Standard.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is S3 Glacier Instant Retrieval

A

-Works well for archived data that requires immediate access

-Can retrieve objects within a few milliseconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is S3 Glacier Flexible Retrieval

A

-Low-cost storage designed for data archiving

-Able to retrieve objects within a few minutes to hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is S3 Glacier Deep Archive

A

-Lowest-cost object storage class ideal for archiving

-Able to retrieve objects within 12-48 hours

-stored across at least three geographically dispersed Availability Zones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is S3 Outposts

A

-Creates S3 buckets on Amazon S3 Outposts

-Makes it easier to retrieve, store, and access data on AWS Outposts

-delivers object storage to your on-premises AWS Outposts environment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

When to use S3 Storage

A

you are using complete objects or only making occasional changes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

When to use Amazon Elastic Block Storage (EBS)

A

you are doing complex read, write, change functions on larger files

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is File Storage

A

-multiple clients (such as users, applications, servers, and so on) can access data that is stored in shared file folders

-ideal for use cases in which a large number of services and resources need to access the same data at the same time

22
Q

What is Amazon Elastic File System (Amazon EFS)

A

-file system used with AWS Cloud services and on-premises resources.

-Amazon EFS grows and shrinks automatically as you add and remove files.

-Can scale on demand to petabytes without disrupting applications.

23
Q

What are the 2 characteristics of EBS

A

-Stores Data in a single Availability Zone

-Both EC2 instance and EBS volume must reside in the same availability zone

24
Q

What are the 3 characteristics of EFS

A

-Regional Service that stores data in and across multiple availability zones

-Duplicate storage allows concurrent data access from all availability zones within a region

-On premise servers can access using AWS Direct Connect

25
Q

What is a Relational Database

A

data is stored in a way that relates it to other pieces of data

26
Q

What is structured query language (SQL)

A

allows data to be stored in an easily understandable, consistent, and scalable way

27
Q

What is Amazon Relational Database Service

A

a service that enables you to run relational databases in the AWS Cloud

28
Q

What are the 6 database engines Amazon RDS is available on

A

-Amazon Aurora
-PostgreSQL
-MySQL
-MariaDB
-Oracle Database
-Microsoft SQL Server

29
Q

What is Amazon Aurora

A

an enterprise-class relational database

30
Q

What database engines is Amazon Aurora compatible with

A

-MySQL
-PostgreSQL

31
Q

What are the 4 characteristics of Amazon Aurora

A

-up to five times faster than standard MySQL databases

-up to three times faster than standard PostgreSQL databases

-replicates 6 copies of your data across three Availability Zones

-continuously backs up your data to Amazon S3.

32
Q

What is a nonrelational database

A

you create tables. A table is a place where you can store and query data.

33
Q

Nonrelational databases are sometimes referred to as

A

NoSQL databases

34
Q

What is 1 type of structural approach for nonrelational databases

A

key-value pairs, data is organized into items (keys), and items have attributes (values)

35
Q

What is Amazon DynamoDB

A

a key-value database service

36
Q

What are the 3 characteristics of Amazon DynamoDB

A

-single-digit millisecond performance
-serverless
-automatically scales to adjust to capacity

37
Q

What is Amazon Redshift

A

a data warehousing service that you can use for big data analytics

38
Q

What is AWS Database Migration Service (AWS DMS)

A

enables you to migrate relational databases, nonrelational databases, and other types of data stores

39
Q

use cases for AWS DMS

A

-Development and Test database migrations
-Database consolidation
-Continuous database replication

40
Q

What is a homogenous database migration

A

databases that are of the same type

41
Q

What is heterogenous database migration

A

source and target databases are of different types

42
Q

What is Amazon DocumentDB

A

a document database service that supports MongoDB workloads.

43
Q

What is Amazon Neptune

A

a graph database service

44
Q

What is Amazon Neptune used for

A

build and run applications that work with highly connected datasets, such as recommendation engines, fraud detection, and knowledge graphs.

45
Q

What is Amazon QLDB, or Quantum Ledger Database

A

An immutable system of record where any entry can never be removed from the audits
-Ledger Database

46
Q

What is Amazon Managed Blockchain

A

a service that you can use to create and manage blockchain networks with open-source frameworks

47
Q

What is Blockchain

A

a distributed ledger system that lets multiple parties run transactions and share data without a central authority

48
Q

What is Amazon ElastiCache

A

is a service that adds caching layers on top of your databases to help improve the read times of common requests.

49
Q

What 2 types of data stores does Amazon ElastiCache support

A

-Redis
-Memcached

50
Q

What is Amazon DynamoDB Accelerator (DAX)

A

an in-memory cache for DynamoDB.

AWS Cloud Practitioner Essentials (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions