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AST Training > AST Prep > Flashcards

AST Prep Flashcards

1
Q

When it comes to APIs, REST is:

A

A convention for building HTTP Services/API’s

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2
Q

DynamoDB was built to handle applications at amazon, like amazon.com

A

True

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3
Q

Kubernetes is:

A

a. Open source

b. Used to help with the orchestration (automation, deployment, scale and management) of containers

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4
Q

Developers use application code to send HTTP requests to:

A

API Endpoints

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5
Q

DocumentDB has Point in time restore for up to how many days?

A

35 days

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6
Q

Which data models does CosmosDB support:

A

Document, graph, key value, column family

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7
Q

Some advantages of mainframes are:

A

HA

Massive scalability and performance

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8
Q

PostgreSQL markets itself as an Object-relational database

A

True

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9
Q

When your customer is going with MongoDB for a number of their microservices, which self-managed licensing model makes the most sense

A

Ram Pool

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10
Q

Data Caches like Redis are in memory

A

True

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11
Q

Benefits of Microservices include:

A

Each microservice can use its own tech stack
You can scale each microservices independently
If one microservice goes down the rest still work properly

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12
Q

Continuous Delivery/Deployment

A

Starts once the tests of new code are successful

Packages the app to be downloaded by users and or deploy it to a production environment to be used

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13
Q

DynamoDB on its own has out of the box support for the following:

A

Encryption at rest
Auto scaling
ACID transactions
Database Triggers

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14
Q

Two main benefits of DevOps are:

A

Better code quality and products

Faster releases TTM

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15
Q

Azure CosmosDB has industry leading security & compliance. They encrypt over the wire and at rest.

A

True

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16
Q

Event Driven Architectures power modern systems that enable companies to:

A

Provide a compelling customer experience

Combine everything they know about their customers with state-of-the-art predictive models

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17
Q

Atlas, like DocumentDB can have Analytics nodes that are larger than the operational replica set

A

False

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18
Q

DocumentDB is assessed to comply with PCI, ISO and is HIPAA eligible

A

True

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19
Q

How many pre-built, “canned” demos do we have for SA’s to use during PoVs

A

More than 45

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20
Q

MongoDB Charts is a replacement for a BI tool like Tableau

A

False

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21
Q

Operational data (like user reviews) that sit in MongoDB are often a source for Data Lakes/Warehouses. This enables broader analysis with other data sets

A

True

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22
Q

PostgreSQL doesn’t support or conform to all of the features and standards of the SQL:2016 Core conformance standard. This means that:

A

Moving any application previously built on another RDBMS to PostgreSQL could require some code refactoring

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23
Q

DocumentDB, like Atlas can automatically scale your compute Up and Down

A

False

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24
Q

Amazon Aurora has out of the box compatibility with which databases

A

PostgreSQL

MySQL

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25
Q

Data Lakes were designed to store processed, refined data

A

False

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26
Q

ETL was built to:

A

Take data from multiple sources combine and transform it and load it into a desired location

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27
Q

For each sales motion, the TFW Planning Framework has:

A

Common Required Capabilities to consider and the best way to showcase how MongoDB solves it
Links to demos the SA can use to highlight our differentiation

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28
Q

Amazon suggests that rarely can 1 data platform handle every use case, and instead you should use the purpose built database for the job.

A

True

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29
Q

Amazon claims that documentDB is:

A

Fully compatible with MongoDB 3.6
Has twice the throughput of MongoDB
Has automatic patching, backups and provisioning

30
Q

If mainframes are so performant and reliable, why are your customers trying to offload workloads?

A

Want to get out of the Data Center business and into the Cloud
Its getting hard to find the specialized skill sets needed to run and develop against them
Mainframes are ridiculously expensive. They want to save cost

31
Q

Continuous integration:

A

Allows code to be automatically built and tested once added to the main code repository
Allows developers to release features on their own timelines independent of other developers

32
Q

Amazon documentDB utilizes similar funtionality to replica sets to enable:

A

HA/DR

Workload isolation/READ ONLY WORKLOADS

33
Q

RESTful APIs are commonly built to CRUD data on the server:

A

True

34
Q

What % of deals need some sort of biz case?

A

100%

35
Q

Mainframes are best used for:

A

zero downtime use cases

Processing huge amounts of smaller transactions simultaneously

36
Q

For MongoDB sellers, it’s exciting to find out if a company is using a microservice architecture because:

A

Replacing a Monolith is a large undertaking, but replacing a microservice is easier; a smaller barrier to entry
Managing many services each with their own database is difficult and time consuming

37
Q

4 main HTTP methods

A

Get Post Put Delete

38
Q

Amazon claims that Data Migration Service (DMS) can freely (for the first 6 months) migrate your sharded MongoDB databases, whether on premises or self managed in the cloud, to DocumentDB with virtually no downtime and its as simple as changing a connection string

A

True

39
Q

Containers help

A

Agile DevOps
CICD
Better utilization of resources compared to VMs

40
Q

This business case has structured interviews with key stakeholders to understand and validate current state business challenges, negative consequences, and a desired future state. It is high touch and includes a formal proposal with a business-focused narrative and a CFO-ready financial analysis of the key financial metrics

A

BVA

41
Q

The Sales Process Playbook has tips/tricks & pitfalls to keep in mind during the sales process for each motion

A

True

42
Q

Modern companies are moving towards a

A

Self service BI strategy

43
Q

Data warehouses and data lakes were built primarily to be a transactional system

A

False

44
Q

Kafka / (Message Queues) enable the move to real-time, Event Driven Architectures

A

True

45
Q

ETL stands for

A

extract transform load

46
Q

API main uses include

A

Allowing developers to expose their services to many different applications
Allowing different devices and services to connect and interact with each other

47
Q

Aurora can globally distribute replicas for fast local performance and DR

A

True

48
Q

The Sales Process Playbook has Customer Verifiable Outcomes to help know when you are ready to move to the next stage/gate

A

True

49
Q

A financial comparison of two (or more) operating models that is used to support deals when MDB has already won the technical decision describes which business case:

A

TCO

50
Q

DynamoDB is multi-master which means by default its

A

eventually consistent

51
Q

CosmosDB guarantees reads of 1kb or less to return in how many MS

A

10 MS

52
Q

Customers can utilize Kubernetes and our Operator/Broker to deploy and manage MongoDB:

A

Self Managed in the public cloud with Ops/Cloud Manager
Fully Managed in Atlas
On Prem with Ops/Cloud Manager

53
Q

Kafka / Message Queues give you the flexibility to evolve your IT architectures easily because:

A

They reduce the need for point to point ETL processes(even if the need to help with the transform at times)

54
Q

MongoDB connector for BI can help a BI tool like Tableau utilize data in mongodb for

A

Visualizing data
Spotting market trends
Analyze customer behavior

55
Q

TFW planning framework has checklists to help with

A

Prep for TFW
Understanding who should be doing what during TFW
What to follow up with after the TFW

56
Q

We start this business case in Discovery. Its something we develop over time, not necessarily an exercise done with the customer

A

3 whys

57
Q

CosmosDB claims that you will be able to write from any API and read from any API. For Example: write a Document using MongoDB API and read the data in the form of a column-family data model with the Cassandra API.

A

True

58
Q

Business Intelligence (BI) is simply the act of visualizing data

A

False

59
Q

For MongoDB sellers, it’s exciting to find out if a company is truly practicing CI/CD because:

A

We know they care about speed to market and productivity

60
Q

Large focus of the devops practice is:

A

automation

61
Q

BVA’s are most applicable to which sales motion

A

select and replace

62
Q

If one of the main benefits of devops is faster TTM Mongo can help by

A

Letting developers focus more time on features instead of schema changes
Letting developers focus on features rather than mapping code needed to translate data into objects

63
Q

The purpose of a data cache like redis is to

A

Speed up reads

64
Q

If one of the main benefits of DevOps is TTM, mongodb Atlas can help by

A

Automatically scaling their database servers up and down based on demand with 0 lines of code
Can utilize Atlas’ API to take advantage of Infrastructure as Code
Automating and simplifying the management of the database so the team can focus on developing features

65
Q

Data Lakes and DW were built primarily to be used for analytics

A

True

66
Q

Data warehouses by design have strict predetermined data structure (schema) this means that

A

The data itself is easier to decipher, which allows it to be used in charts, spreadsheets and tables for Business users
it makes the data warehouses difficult and costly to manipulate and support new use cases

67
Q

Like Atlas, Aurora has auto scale features

A

True

68
Q

PostgreSQL supports a wide variety of features such as

A

Geospatial capabilities
Full text search
JSON/XML support

69
Q

Containers are more lightweight than VM’s

A

True

70
Q

Technical validation comes before business case in the mongodb sales process

A

False

71
Q

MongoDB can not be used as in memory cache

A

False

72
Q

TCO’s are most applicable for which sales motion

A

launch and migrate

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