Brainscape's Knowledge GenomeTM

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


See full index

AZ-204 > Developer Cards > Flashcards

Developer Cards Flashcards

1
Q

What are two cons of serverless?

A
  1. Non-persistent

2. Non-continuous execution

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

Which four services are automation of prosesses?

A
  1. Microsoft Power Automate
  2. Azure Logic App
  3. Azure Function
  4. App Service WebJobs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which service for automation of prosesses is design-first?

A
  1. Microsoft Power Automate

2. Azure Logic Apps

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

Which service for automation of prosesses is code-first?

A
  1. Azure Functions

2. App Service WebJobs

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

What is the difference between Azure Functions and App Service WebJobs?

A
  • Azure Functions: scales automatically

- App Service WebJobs: does not scale automatically

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

Which service to choose if design-first and users will develop the workflow?

A

Microsoft Power Automate

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

Which service to choose if design-first and developers will develop the workflow?

A

Azure Logic App

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

Which service to choose if code-first and part of an existing App Service app?

A

App Service WebJobs

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

Which service to choose if code-first and need to customize JobHost?

A

Azure Function

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

Which service automates, orchestrate and integrate components with designing workflows graphical or in JSON?

A

Azure Logic App

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

Which service can create workflow with almost no development or IT experience?

A

Azure Logic App

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

Which service is part of Azure App Service to run program or script automatically?

A

App Service WebJobs

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

Which service runs simple code in cloud without infrastructure?

A

Azure Functions

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

What is it called when a cloud provider manages provisioning and maintenance of infrastructure?

A

Serverless computing

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

What are some benefits of serverless computing?

A
  1. Fully managed
  2. Pay-for-use
  3. Elastic
  4. Stateless logic
  5. Event driven
  6. Functions can be re-used
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are drawbacks of serverless computing?

A
  1. Execution time

2. Execution frequency

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

What is an execution context that hosts functions?

A

Function app

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

What logically structures functions and compute resources?

A

Function app

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

What service plan runs a function continuously on a VM?

A

Azure App Service plan

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

What service plan is serverless, elastic payment and has timeout?

A

Consumption Service plan

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

How many triggers can a function have?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What connects data and services to functions?

A

Bindings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

In what format are bindings written?

A

JSON

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What objects define how Azure functions are invoked?

A

Triggers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What trigger executes a function at consistent level?

A

Timer trigger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What is a CRON expression?

A

{second} {minute} {hour} {day} {month} {day of the week}

Four characters: * , - /

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What key has a scope that applies to all functions inside the function app?

A

Host key

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What key has a scope that applies to only one function?

A

Function key

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What are the authorization levels in Azure?

A
  1. Function
  2. Anonymous
  3. Admin
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

What authentication level demands no authentication?

A

Anonymous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

What authentication level needs only host key?

A

Admin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

What authentication level needs both host key and function key?

A

Function

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

What are the three blob types in Azure Blob storage?

A
  1. Block blobs
  2. Append blobs
  3. Page blobs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

What blob type is good for constantly updated blobs?

A

Append blobs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What blob type is good for frequent random write and read operations?

A

Page blobs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What is a HTTP trigger?

A

Executes a function with HTTP request

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

What is Blob trigger?

A

Executes a function when file uploaded or updated in Azure Blob storage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What is the path for files in Azure Blob storage?

A

{blob-container}/{filename}

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

What are the two forms of bindings?

A
  1. Input bindings

2. Output bindings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

What four things do we need from a binding?

A
  1. Name
  2. Type (data/service)
  3. Direction (in/out)
  4. Connection (optional, name of app key setting with connection string).
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

In what format are bindings written?

A

JSON

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

What extensions of Azure functions perform long-lasting, stateful operations?

A

Durable Functions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

What benefits are there to Durable functions?

A
  1. Serverless
  2. Managed state
  3. Event driven code
  4. Chaining functions
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

What benefits are there to orchestration functions?

A
  1. Define workflow in code
  2. Functions can be called async or non-async
  3. Output saved locally and can be used in subsequent functions
  4. Can dehydrate function and save state. Rehydrate and restore state when running again.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

What are the three Durable Functions?

A
  1. Client
  2. Orchestrator
  3. Activity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

What Durable Function is the entry point for creating a Durable Function and can run in reponse to event?

A

Client

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

What Durable Function orchestrates functions by describing how actions are executed and in order they run?

A

Orchestrator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

What Durable Function is the basic unit of work in orchestration and contains the actual work in an orchestration?

A

Activity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Does Durable Functions or Logic Apps have the most built-in bindings?

A

Logic Apps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Does Durable Functions or Logic Apps have the most custom written activity?

A

Durable Functions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

What service can monitor Durable Functions?

A

Azure Application Insights

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

What services can monitor Logic Apps?

A
  • Azure portal

- Monitor logs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Where can Logic Apps be run?

A

Only in cloud

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Where can Durable Functions be run?

A

Both locally and in cloud

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Where can Durable Functions be run?

A

Both locally and in cloud

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Draw each of these workflows:

A
  1. Function chaining
  2. Fan out/fan in
  3. Async HTTP APIs
  4. Monitor
  5. Human interaction
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

What can we use to develop and run functions locally with CLI?

A

Azure Function Core Tools

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

What command can we use to run Azure Function Core Tools?

A

func

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

Who do all functions in Azure belong to?

A

Functions app

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

What do functions in an app share?

A

Common config values

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

What do local functions belong to?

A

Functions project

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

What folder contains code and configurations files for functions?

A

Functions project

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

What command can we create functions project with?

A

func init

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

What file in functions project stores runtime config values and used both locally and in Azure?

A

host.json

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

What file in functions project stores config values that apply to functions only locally in Core Tools?

A

local.settings.json

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

What command can we create a new function?

A

func new

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

What command can we start functions locally?

A

func start

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

What command can we use to create function app?

A

az functionapp create

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

What command can we use to publish functions app to Azure?

A

func azure functionapp publish

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

Can Core Tools validate or test functions?

A

No

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

What service can write, debug and deploy Azure functions?

A

Azure portal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

What is a mechanism for apps to nofity other services when event occurs via HTTP endpoints?

A

Webhook

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

What is a benefit to ensure secrets with Webhooks?

A

Hash signatures passed in request headers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

What abstraction of series of technologies allows app two-way communication with client and server?

A

SignalR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

What are two advantages of SignalR?

A
  1. Future-proof app

2. Allows apps to gracefully degrade

76
Q

What service supports transport fallback?

77
Q

Does SignalR have persistent communication between client and server?

78
Q

Does SignalR handle connection management automatically or manually?

A

Automatically

79
Q

What two services can be used to build Microservices architecture?

A
  • Azure Functions

- Azure API Management

80
Q

What service allows us to construct an API from disparate microservices?

A

Azure API Management

81
Q

What service is fully managed cloud service to publish, secure, transform, maintain and monitor APIs?

A

Azure API Management

82
Q

What can Azure API Management enforce?

A
  • Consistent rules

- Consistent security requirements

83
Q

What two things are a datagram?

A
  1. Messages

2. Events

84
Q

What datagram is meant for raw data?

85
Q

What datagram sends the data itself?

86
Q

What datagram are consumed by components?

87
Q

What datagram is lightweight notification?

88
Q

What datagram can reference data address?

89
Q

What datagram does the sender have no expectations?

90
Q

What datagrams can be sent to none or many receivers?

91
Q

What datagram should we use to send either data itself or payload to be processed by receiver?

92
Q

What datagram should we use to neither send the data itself nor the payload?

93
Q

What four Azure services relate to datagrams?

A
  • Azure Queue Storage
  • Azure Event Grid
  • Azure Event Hubs
  • Azure Service Bus
94
Q

What three Azure services relate to queues?

A
  • Azure Queue Storage
  • Azure Service Bus Queue
  • Azure Service Bus Topic
95
Q

What queue service is a message broker system for enterprise apps?

A

Azure Service Bus Queue

96
Q

What queue service can have multiple subscribers and queues are processed by subscriber branches?

A

Azure Service Bus Topic

97
Q

What queue service uses Azure Storage to store large number of queues?

A

Azure Queue Storage

98
Q

What restricts the capacity of messages through Azure Queue Storage?

A

Storage capacity

99
Q

What queue service to choose if multiple receivers to handle message?

A

Azure Service Bus Topic

100
Q

What queue service to choose if delivery guarantee, not too large queues (max 80 GB), publish/consume in batches?

A

Azure Service Bus Queues

101
Q

What queue service to choose if need audit trail of messages in queue, large queues (over 80 GB) and track progress of message in queue?

A

Azure Queue Storage

102
Q

What fully-managed event routing service runs on top of Azure Service Fabric?

A

Azure Grid

103
Q

What service distributes events from different sources to different handlers?

A

Azure Grid

104
Q

What are endpoints where publishers send events?

105
Q

What are built-in topics called?

A

System topics

106
Q

What are app and third-party topics called?

A

Custom topics

107
Q

How large can event files be?

A

Up to 64 Kb

108
Q

What format are event files?

109
Q

What are endpoint to route events?

A

Event subscriptions

110
Q

How can we filter events?

A

Event subscriptions

111
Q

What are the five reasons for using Azure Event Grid?

A
  • Simplicity: connect sources to subs in EG
  • Advanced filtering: subs can control events from topics
  • Fan-out: can subscribe to unlimited number of endpoints to same event and topic
  • Reliability: retries event delivery up to 24 hours for each sub
  • Pay-per-event: pay only for transmitted events
112
Q

What is Azure Event Grid not used for?

113
Q

What service is an intermediate for pub-sub communication pattern?

A

Events Hubs

114
Q

Why is Events Hubs important?

A
  • Optimized for high throughput
  • Optimized for large number of pubs
  • Optimized for security
  • Optimized for resiliency
115
Q

Which service allows us to build big data pipeline for processing millions of events/sec with low latency?

A

Events Hubs

116
Q

How does Events Hubs transmit communication?

A

Partitions

117
Q

What is the default number of partitions for Events Hubs?

118
Q

What is the maximum size of a single publisher in Events Hubs?

119
Q

What is Events Hubs used for?

A
  • Authenticate large number of pubs
  • Save stream to Data Lake or Blob
  • Aggregation or analytics on data stream
  • Reliable messaging or resiliency
120
Q

What service can store relational databases?

A

Azure SQL Database

121
Q

What service can store NoSQL databases?

122
Q

What do we call a logical group of database operations executed together?

A

Transactions

123
Q

What is OLTP?

A

Online Transaction Processing

124
Q

What is OLAP?

A

Online Analytical Processing

125
Q

What acronym is used for transactional databases?

126
Q

Is CosmosDB a OLTP or OLAP?

127
Q

What is the difference between OLTP and OLAP?

A
  • OLTP: many users; quick response; large data; highly available; small transactions
  • OLAP: few users; slow response; less available; large and complex transactions
128
Q

What can Azure Storage store?

A
  • Blob
  • Files
  • Queues
  • Tables
129
Q

What is CORS?

A

Cross-origin resource sharing

130
Q

What storing service supports CORS?

A

Azure Storage

131
Q

What is a Storage account?

A

Group of set of Azure Storage services

132
Q

What is the purpose of a Storage account?

A

Apply rules to all storages at the same time

133
Q

Where is a Storage account included?

A

Resource groups (can hold many)

134
Q

What is LRS?

A

Locally redundant storage

135
Q

What is GRS?

A

Geo-redundant storage

136
Q

What is ZRS?

A

Zone redundant storage

137
Q

What storage replicates data three times within single physical location in primary region?

138
Q

What storage copies data async three times within single physical location in multiple regions?

139
Q

What storage copies data async across three Azure AZ in primary region?

140
Q

How is encryption at rest handled in Azure Storage?

A

Encrypted by Storage Service Encryption (SSE) with 256-bits AES

141
Q

What service encrypts VMs?

A

Azure Disk Encryption

142
Q

What service can handle passwords and keys?

A

Azure Key Vault

143
Q

How can encryption in transit be handled in Azure Storage?

A
  • Enable transport-level security between Azure and client

- Use HTTP

144
Q

What service logs all operations on Azure Storage?

A

Storage Analytics

145
Q

What are Storage account keys?

A

Shared keys that give access to everything on storage account

146
Q

What is SAS?

A

Shared access signature

147
Q

What string of security token can be attached to URI in Azure Storage?

148
Q

What is the SAS level called to access specific resources?

A

Service level

149
Q

What is the SAS level called to access service-level plus more resources and abilities?

A

Account level

150
Q

What is the default access to Azure Storage?

A

All connections from clients on any network is accepted

151
Q

What service detects anomalies in Azure Storage account activity?

A

Advanced Threat Protection

152
Q

How is the security of Azure Data Lake Storage?

A

Inherits security from Azure Storage

153
Q

What is a blob?

A

Unstructured data

154
Q

Where does a blob reside?

155
Q

Can containers store containers?

A

No, only blobs

156
Q

How many types of blobs are there?

157
Q

What type of blob is good for random access read and writes?

A

Page blobs

158
Q

What type of blob is specialized to support only appending data (not update or delete)?

A

Append blobs

159
Q

What type of blob is good for different sizes uploaded independently and in parallel?

A

Block blobs

160
Q

Which service recommends optimization of costs, availability, security, performance etc.?

A

Azure Advisor

161
Q

Which service gives insight into cost, historical breakdown of cost, budgets, scheduled reports?

A

Azure Cost Management

162
Q

Which service predicts and analyzes spending for new or existing services?

A

Azure TCO Calculator

163
Q

Which license lets customers use Microsoft Server licenses for VMs on Azure?

A

Azure Hybrid Benefit

164
Q

What is a resource group?

A

Logical container of resources

165
Q

What must all resources belong to?

A

Resource group

166
Q

How can resource groups have lifecycle policies?

A

Azure Policy

167
Q

What allows type of permissions can we apply to resource groups?

A

RBAC - role-based access control

168
Q

What service offers on-demand scalable computing resources?

169
Q

What service is the connection between Azure VMs and Azure services?

A

Virtual Networks

170
Q

Which services can create Virtual Networks?

A
  • Azure Resource Manager
  • Azure Powershell
  • Azure CLI
  • Azure REST API
  • Azure Client SDK
  • Azure VM Extensions
  • Azure Automation Services
171
Q

What addresses does Azure reserve on subnets?

A

First and last

172
Q

What is the default security between subnets?

A

No boundary between subnets

173
Q

What can impose security on subnets?

A

Network Security Groups (NSG)

174
Q

What is an availability set?

A

Logical feature such that a group of VMs are fault tolerant and not all are upgraded at same time

175
Q

What does an Azure Resource consist of?

A
  • VM
  • Storage account for disks
  • Virtual network
  • Network interface to communicate on network
  • Network Security Group(s) to secure network traffic
  • Public internet access (optional)
176
Q

How does the location of VM impact performance?

A

Close location to user gives low latency

177
Q

How is the pricing model for VMs?

A

Depends upon services, hardware options and pricing

178
Q

Can we resize VMs?

A

Yes, but running VMs must be rebooted for resizing to take place

179
Q

What are some workload options for VMs?

A
  • General purpose
  • Compute optimized
  • Memory optimized
  • Storage optimized
  • GPU
  • High performance
180
Q

What is the compute costs for VMs?

A

Cost per-hour-basis billed per-minute basis

181
Q

What is the storage costs for VMs?

A

Charged separately for storage VM users

182
Q

What is Reserved Virtual Machines (RI)?

A

Upfront purchase for 1-3 years in specific region. Good for continuous work and predictibility

183
Q

How is the storage of a VM organized?

A

At least two disks:

  • Disk 1: OS
  • Disk 2: temp storage

Data in Azure Storage as Page blobs

184
Q

What type of disks does Azure Storage support?

A

Managed and unmanaged disks

185
Q

What service offers back-up with pay-as-you-go?

A

Azure Backup

AZ-204 (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions