Share Đáp Án AWS Educate - Cloud Career Pathway - Application Developer

Question Answer Data and Databases Question 1: An ___  is a fundamental data element, something that does not need to be broken d...


QuestionAnswer
Data and Databases
Question 1: An ___ is a fundamental data element, something that does not need to be broken down any further. For example, a Department item might have attributes such as DepartmentIDNameManager, and so on.
asset
element
attribute
item
attribute
Question 2: What does SQL stand for?
Structured Question Language
Standard Query Language
Structured Query Language
Strong Question Language
Structured Query Language
Question 3: With SQL, how can you return the number of records in the “Persons” table?
SELECT COUNT(*) FROM Persons
SELECT COUNT() FROM Persons
SELECT COLUMNS(*) FROM Persons
SELECT COLUMNS() FROM Persons
SELECT COUNT(*) FROM Persons
Question 4: SQL has many built-in functions for performing calculations on data. SQL aggregate functions return a single value, calculated from values in a column. Which of the following is NOT a SQL aggregate function?
AVG()
APPEND()
COUNT()
MAX()
APPEND()
Question 5: What is a primary key in Amazon DynamoDB?
a data record in a table
a data stack
a table attribute
a unique identifier for each item in the table
a unique identifier for each item in the table
Software Development
Question 1: Which of the following are strategies to achieve greater fault tolerance? (Select all that apply)
Create a library of your own AMIs
Use Amazon Elastic Block Store (EBS) for persistent storage
Distribute your application geographically
Keep a spare instance running
Create a library of your own AMIs
Use Amazon Elastic Block Store (EBS) for persistent storage
Distribute your application geographically
Keep a spare instance running
Question 2: This is a formal document used to describe in detail for software developers a product’s intended capabilities, appearance, and interactions with users.
acceptable use policy
functional specification
Bootstrap Protocol
license
functional specification
Question 3: What is AWS DevOps?
The use of automation so you can build faster and more efficiently.
A large ecosystem of partners which integrate with and extend cloud services.
A set of flexible services designed to reduce computing costs.
The combination of cultural philosophies, practices, and tools that increases an organization’s ability to deliver applications and services at high velocity: evolving and improving products at a faster pace than organizations using traditional software development and infrastructure management processes. This speed enables organizations to better serve their customers and compete more effectively in the market.
The combination … market.
Question 4: ___ makes it easier for you to rapidly release new features, helps you avoid downtime during application deployment, and handles the complexity of updating your applications.
AWS CodeCommit
DevOps
AWS CodeDeploy
AWS CodePipeline
AWS CodeDeploy
Question 5: The annual failure rate (AFR) for an EBS volume is ___.
3% and 4%
0.1% and 0.5%
2% and 3%
1% and 2%
0.1% and 0.5%
Programming and Scripting
Question 1: True or False.
JavaScript ignores multiple spaces.
True
Question 2: On Microsoft Windows operating system and environment which AWS CLI installation method should you use?
awscli library
Pip
API Gateway
MSI installer
MSI installer
Question 3: True or False.
CMake options are variables that can either be ON or OFF, with a controllable default.
True
False
True
Question 4: True or False.
The AWS SDK for Go provides APIs and utilities that developers can use to build Go applications that use AWS services, such as Amazon Elastic Cloud Compute (Amazon EC2) and Amazon Simple Storage Service (Amazon S3).
True
False
True
Question 5: What does HTML stand for?
Hedge Text Metric Language
Hyper Text Markup Language
Hard To Measure Language
Highlight Text Markup Language
Hyper Text Markup Language
Web, Mobile, and Gaming
Question 1: ___ provides the information required to launch an instance, which is a virtual server in the cloud.
CloudFront
Index file
Application Programming Interface (API)
Amazon Machine Image (AMI)
Amazon Machine Image (AMI)
Question 2: The annual failure rate (AFR) for an EBS volume is ___.
3% and 4%
0.1% and 0.5%
1% and 2%
2% and 3%
0.1% and 0.5%
Question 3: Which of the following are reasons to build web applications on AWS? (Select all that apply)
Amazon EC2 instances span across a number of different performance levels 0:37 to support your applications requirements
Identity and Access Management
AWS OfficeWorks allows you to easily deploy and manage your applications
Significantly reduce build, development and testing cycles
Amazon EC2 instances span across a number of different performance levels 0:37 to support your applications requirements
Identity and Access Management
AWS OfficeWorks allows you to easily deploy and manage your applications
Significantly reduce build, development and testing cycles
Question 4: Using CSS, how do you display a border like this:
The top border = 15 pixels
The bottom border = 25 pixels
The left border = 10 pixels
The right border = 5 pixel?
border-width:15px 25px 10px 5px;
border-width:5px 25px 10px 15px;
border-width:10px 25px 15px 5px;
border-width:10px 5px 15px 25px;
border-width:15px 25px 10px 5px;
Question 5: True or False.
JavaScript statements are separated by colons.
True
False
False
JavaScript statements are separated by semicolons.
Platforms
Question 1: On Linux, OS X, or Unix operating system and environment which AWS CLI installation method should you use?
MSI installer
awscli library
Pip
API Gateway
Pip
Question 2: On Microsoft Windows operating system and environment which AWS CLI installation method should you use?
MSI installer
awscli library
Pip
API Gateway
MSI installer
Question 3: A security group acts as a virtual firewall to control the traffic for its associated instances. Your VPC comes with a default security group. When you launch an instance into your VPC what are the default security group settings?
Allow all inbound traffic, Allow no outbound traffic and Allow instances associated with this security group to talk to each other
Allow no inbound traffic, Allow all outbound traffic and Does NOT allow instances associated with this security group to talk to each other
Allow all inbound traffic, Allow all outbound traffic and Does NOT allow instances associated with this security group to talk to each other
Allow no inbound traffic, Allow all outbound traffic and Allow instances associated with this security group to talk to each other
Allow all inbound traffic, Allow all outbound traffic and Does NOT allow instances associated with this security group to talk to each other
Question 4: True or False.
Primary private IP addresses are retained for the instance’s or interface’s lifetime.
True
False
True
Question 5: Which of the following is NOT a type of virtualization?
Memory
Mobile
Hardware
Desktop
Mobile
Final Assessment
Question 1: An _ is a fundamental data element, something that does not need to be broken down any further. For example, a Department item might have attributes such as DepartmentIDNameManager, and so on.
asset
element
attribute
item
attribute
Question 2: Which SQL statement is used to create a table in a database?
CREATE DATABASE TABLE
CREATE DATABASE TAB
CREATE DB
CREATE TABLE
CREATE TABLE
Question 3: By default, how many Amazon RDS DB instances can a customer have running?
40
20
30
100
40
Question 4: Within the DynamoDB console, what is the function of the play button arrow ►?
create a table
run the code
query a table
create a database
run the code
Question 5: What is a primary key in Amazon DynamoDB?
a table attribute
a data stack
a unique identifier for each item in the table
a data record in a table
a unique identifier for each item in the table
Question 6: On Microsoft Windows operating system and environment which AWS CLI installation method should you use?
awscli library
API Gateway
MSI installer
Pip
MSI installer
Question 7: On Linux, OS X, or Unix operating system and environment which AWS CLI installation method should you use?
MSI installer
awscli library
Pip
API Gateway
Pip
Question 8: Which of the following is NOT a type of virtualization?
Memory
Mobile
Hardware
Desktop
Mobile
Question 9: How are Reserved Instances different from On-Demand DB Instances?
Storage Capacity
Billing Method
CPU Resources
Memory Resources
Billing Method
Question 10: Which of the following are benefits of virtualization? (Select all that apply)
Deliver flexible and scalable IT resources
Increased energy consumption
Reduction in capital expenditures on IT infrastructure
Speeds up the configuration and deployment of IT resources
Deliver flexible and scalable IT resources
Reduction in capital expenditures on IT infrastructure
Speeds up the configuration and deployment of IT resources
Question 11: Creating a virtual machine over existing operating system and hardware is referred as ___.
Memory Virtualization
Software Virtualization
Hardware Virtualization
Storage Virtualization
Hardware Virtualization
Question 12: This is a formal document used to describe in detail for software developers a product’s intended capabilities, appearance, and interactions with users.
license
functional specification
acceptable use policy
Bootstrap Protocol
functional specification
Question 13: The annual failure rate (AFR) for an EBS volume is ___.
3% and 4%
0.1% and 0.5%
2% and 3%
1% and 2%
0.1% and 0.5%
Question 14: What is fault-tolerance?
The ability for a system to remain in operation even if some of the components used to build the system fail
Used to perform arithmetic on numbers (literals or variables)
A special variable, which can hold more than one value at a time
A block of code designed to perform a particular task
The ability for a system to remain in operation even if some of the components used to build the system fail
Question 15: What is AWS DevOps?
The combination of cultural philosophies, practices, and tools that increases an organization’s ability to deliver applications and services at high velocity: evolving and improving products at a faster pace than organizations using traditional software development and infrastructure management processes. This speed enables organizations to better serve their customers and compete more effectively in the market.
A set of flexible services designed to reduce computing costs.
The use of automation so you can build faster and more efficiently.
A large ecosystem of partners which integrate with and extend cloud services.
The combination of … market
Question 16: The annual failure rate (AFR) for an EBS volume is ___.
0.1% and 0.5%
3% and 4%
2% and 3%
1% and 2%
0.1% and 0.5%
Question 17: ___ is a fully-managed service in the AWS Cloud that makes it easy to set up, manage, and scale a search solution for your website or application.Amazon CloudSearch
Question 18: A ___ is defined as a collection of items in which the last item added to the collection is the first one to be removed – (last in, last out).
array
queue
stack
table
stack
Question 19: What four pieces of information is required to use the “aws configure” command to set up your AWS CLI installation? (select all that apply)
Default region
AWS Secret Access Key
Default output format (json, text, or table)
AWS Privacy Access Key
AWS Access Key ID
Default region
AWS Secret Access Key
Default output format (json, text, or table)
AWS Access Key ID
Question 20: What does the following JavaScript statement instruct the browser to execute?
document.getElementById(“AWS”).innerHTML = “Hello World.”;
Display “Hello World.” in the browser title page
Write “Hello World.” inside an HTML element with id=”AWS”
Write “AWS.” inside an HTML element with id=”Hello World”
Display “AWS” in the browser title page
Write “Hello World.” inside an HTML element with id=”AWS”
Question 21: JavaScript statements often start with a keyword to identify the JavaScript action to be performed. Which of the following is NOT a JavaScript keyword?
Debugger
Break
Write
Function
Write
Question 22: Which of the following PHP type of variables has only one value: NULL?
Booleans
Strings
Doubles
Null
Null
Question 23: True or False.
Java is a case sensitive programming language.
True
False
True
Question 24: True or False.
Java is an object oriented programming language.
True
False
True
Question 25: Which of the following is a core library feature of AWS SDK for C++?
All answer choices
Memory Allocation
Credential Management
Logging
All answer choices

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