mist 4630 exam 1 review

AURI
NURI
PURI

AURI
NURI
PURI

for certain services like Amazon Elastic Compute Cloud (Amazon EC2) and Amazon Relational Database Service (Amazon RDS), you can invest in reserved capacity. What options are available for Reserved Instances?
a. AURI
b. MURI
c. NURI
d. PURI
e. DURI

AWS Cost Explorer

Where can a customer go to get more details about Amazon Elastic Compute Cloud (Amazon EC2) billing activity that took place 3 months ago?
a. Amazon EC2 dashboard
b. AWS cost Explorer
c. AWS Trusted Advisor dashboard
d. AWS CloudTrail logs stored in Amazon Simple Storage Service (Amazon S3)

False

True or False? To receive the discounted rate associated with Reserved Instances, you must make a full, upfront payment for the term of the agreement.

gigabytes

In regards to the pricing model on AWS, storage is typically charged based on how many ______________ you use. For services that use tiered pricing, the per _________ cost is less when you use more.

Basic, Developer, Business, Enterprise

What are the four support plans offered by AWS support?

AWS Pricing Calculator

What AWS tool lets you explore AWS services and create an estimate for the cost of your use cases on AWS?

Economies of Scale

As AWS grows, the cost of doing business is reduced and savings are passed back to the customer with lower pricing. What is this optimization called?

True

True or False? AWS offers some services at no charge, such as, Amazon Virtual Private Cloud, AWS, Identify and Access Management, Consolidated Billing, Beanstalk, automatic scaling, AWS OpsWorks and AWS CloudFormation. However, you might be charged for other AWS services that you use in conjunction with these services.

Provides the ability to create groups of accounts and then attach policies to a group
Simplifies automating account creation and management by using APIs

What are benefits of using AWS Organizations?
a. Replaces existing AWS Identity and Access Management (IAM) service control policies (SCPs), which are simpler to manage
b. Provides the ability to create groups of accounts and then attach policies to a group
c. Provides the ability to create an unlimited number of nested organizational units (OUs) to support your desired structure
d. Simplifies automating account creation and management by using APIs
e. prevents any restrictions from being put on the root user that is associated with the main organization in an account

false

true or false? Unlimited services are available with the AWS free Tier to new AWS customers for 12 months following their AWS sign-up date

AWS edge locations

which component of the AWS Global Infrastructure does Amazon CloudFront use to ensure low-latency delivery?
a. AWS Regions
b. AWS edge locations
c. AWS Availability Zones
d. Amazon Virtual Private Cloud (Amazon VPC)

Decrease

You can run applications and workloads from a region closer to the end users to __________ latency.

True

Networking, storage, compute, and databases are examples of service categories that AWS offers

AWS Regions

What is a geographic area that host two or more Availability Zones?
a. AWS Origins
b. AWS Regions
c. Compute Zones
d. Edge Locations

Fault Tolerant, Elastic and Scalable

____________ means the infrastructure has built-in component redundancy and ________ means that resources dynamically adjust to increases or decreases in capacity requirements

True

True or False? Availability Zones within a Region are connected through low-latency links

False

True or False? A data center can be used for more than one Availability Zone.

What is true about Regions?
a. They are the physical locations of your customers
b. Each Region is located in a separate geographic area
c. All Regions are located in one specific geographic area
d. A Region is a physical location that has multiple Availability Zones

Multiple

AWS highly recommends provisioning your compute resources across __________ Availability Zones.

False

True or False? Edge locations are only located in the same general area as Regions.

Security of the Cloud

In the shared responsibility model, AWS is responsible for providing what?

a. Security group configurations
b. encryption of data at rest and data in transit

In the shared responsibility model, which of the following are examples of "security in the cloud"?
a. Compliance with compute security standards and regulations
b. Physical security of the facilities in which the services operate
c. Security group configurations
d. Encryption of data at rest and data in transit
e. Protecting the global infrastructure

Maintaining physical hardware

Which of the following is the responsibility of AWS under the AWS responsibility model?
a. Configuring third-party applications
b. Maintaining physical hardware
c. Security application access and data
d. Managing custom Amazon Machine Images (AMIs)

programmatic access
AWS Management Console access

when creating an AWS Identity and Access Management (IAM) policy, what are the two types of access that can be granted to a user?
a. institutional access
b. authorized access
c. programmatic access
d. AWS Management Console access
e. Administrative root access

True

True or False? AWS Organizations enables you to consolidate multiple AWS accounts so that you can centrally manage them.

Manage access to AWS resources
Define fine-grained access rights

Which of the following are best practices to secure your account using AWS Identity and Access Management (IAM)?
a. Provide users with default administrative privileges
b. Leave unused and unnecessary users and credentials in place
c. Manage access to AWS resources
d. Avoid using IAM groups to grant the same access permissions to multiple users
e. Define fine-grained access rights

change the AWS support plan

Which of the following should be done by the AWS account root user?
a. Secure access for applications
b. integrate with other AWS services
c. Change granular permissions
d. Change the AWS support plan

delete access keys of the AWS account root user

after initial login, what does AWS recommend as the best practice for the AWS account root user?

enable multi-factor authentication

How would a system administrator add an additional layer of login security to a user's AWS Management Console?

False, this service allows you to create and manage encryption keys and control the use of encryption across a wide range of AWS services and in your application

True or False? AWS Key Management Service (AWS KMS) enables you to assess, audit, and evaluate the configurations of your AWS resources.

/28

with Amazon Virtual Private Cloud (Amazon VPC), what is the smallest size subnet you can have as a VPC?

/16

with Amazon Virtual Private Cloud (Amazon VPC), what is the maximum size IP address range you can have in a VPC?

NAT gateway

You need to allow resources in a private subnet to access the internet. What must be present to enable this access?
a. Route tables
b. NAT gateway
c. Network access control lists
d. Security groups

Amazon Virtual Private Cloud

which AWS networking service enables a company to create a virtual network within AWS?
a. Amazon Virtual Private Cloud (Amazon VPC)
b. Amazon Route 53
c. AWS Direct Connect
d. AWS Config

False

True or False? Private subnets have direct access to the internet

AWS edge locations

which component of AWS Global Infrastructure does Amazon CloudFront use to ensure low-latency delivery?

network ACL

what is an optional security control that can be applied at the subnet layer of a VPC?

a main route table is created by default

What happens when you use Amazon Virtual Private Cloud (Amazon VPC) to create a new VPC?
a. an internet gateway is created by default
b. a main route table is created by default
c. three subnets are created by default in one Availability Zone
d. three subnets are created by default: one for each Availability Zone

a security group

which of the following can be used to protect Amazon Elastic Compute Cloud (Amazon EC2) instances hosted in AWS?
a. AMI
b. Internet Gateway
c. Security Group
d. All of the above

251, technically 256 IP addresses, but only 251 are available because 5 are reserved

you are a solutions architect who works at a large retail company that is migrating its existing infrastructure ot aWS. You recommend that they use a custom VPC. When you create a VPC, you assign it to an IPv4 Classless Inter-Domain Routing (CIDR) block of 10.0.1.0/24 (which has 256 total IP addresses). How many IP addresses are available?

Amazon EC2 instances can be launched on-demand

Why is AWS more economical than traditional data centers for applications with varying compute workloads?

Scheduled Reserved Instances

If your project requires monthly reports that iterate through very large amounts of data, which Amazon Elastic Compute Cloud (Amazon EC2) purchasing option should you consider?
a. Spot instances
b. Scheduled Reserved Instances
c. Dedicated Hosts
d. On-Demand Instances

all of the above

what is included in an Amazon Machine Image (AMI)?
a. a template for the root volume for the instance
b. launch permissions that control which AWS accounts can use the AMI to launch instances
c. a block device mapping that specifies the volumes to attach to the instance when it's launched
d. all of the above

Dedicated Instances

which Amazon Elastic Compute Cloud (Amazon EC2) feature ensures your instances will not share a physical host with instances from any AWS customer?

AWS Lambda

what service is a server-less compute service in AWS?
a. AWS Config
b. AWS Lambda
c. AWS OpsWorks
d. Amazon EC2

AWS Elastic Beanstalk

what is the service provided by AWS that enables developers to easily deploy and manage applications in the cloud?

Run four Reserved Instances constantly, then add eight On-Demand Instances on the last day of each month.

Your web application needs four instances to support steady traffic all of the time. On the last day of the month, the traffic triples. What is the most cost-effective way to handle this pattern>

False, containers are smaller than virtual machines

True or False? Containers contain an entire operating system.

Reserved Instances

Which Amazon EC2 option is best for long-term workloads with predictable usage patterns?
a. Spot Instances
b. On-Demand Instances
c. Reserved Instances

a. Amazon EC2 instance type
b. Amazon Machine Image

Which of the following must be specified when launching a new Amazon Elastic Compute Cloud (Amazon EC2) Windows instance?
a. The Amazon EC2 instance ID
b. Amazon EC2 instance type
c. Amazon Machine Image (AMI)
d. Password for the administrator account

True

True or False? Amazon Simple Storage Service (Amazon S3) is an object storage suitable for the storage of flat flies like Microsoft Word documents, photos, etc.

in multiple availability zones within the same region

Amazon S3 replicates all objects ________________.
a. on multiple volumes within an Availability Zone
b. in multiple Availability Zones within the same Region
c. across multiple Regions for higher durability
d. on multiple S3 buckets

Simple Storage Service Glacier
S3 Infrequent Access
S3 Standard Access

Which of the following can be used as a storage class for an S3 object lifecycle policy?
a. S3- Standard Access
b. AWS Storage Gateway
c. S3= Infrequent Access
d. Simple Storage Service Glacier
e. S3- Reduced Redundancy Storage
f. Amazon Dynamo DB

Worldwide across all AWS accounts

The name of an S3 bucket must be unique ________________.
a. worldwide across all AWS accounts
b. within a Region
c. across all your AWS accounts
d. within your AWS account

Implement storage for Amazon EC2 instances that multiple virtual machines can access at the same time

you can use Amazon Elastic File System (Amazon EFS) to:
a. provide simple, scalable, elastic file storage for use only within AWS
b. Implement storage for Amazon EC2 instances that multiple virtual machines can access at the same time
c. host a robust CDN to deliver entire web sites with dynamic, static, and streaming content
d. generate user-specific content

requires an encryption solution
must be quickly accessible, requiring long-term persistence

Amazon Elastic Block Store (Amazon EBS) is recommended when data...
a. requires object-level storage
b. must be quickly accessible, requiring long-term persistence
c. requires an encryption solution
d. needs to be stored in a different Availability Zone than the one the EC2 instance is in

False

True or False? By default, all data stored in Amazon S3 is viewable by the public.

A container for storing archives

Regarding Amazon S3 Glacier, what is a Vault?
a. the rules that determine who may (or may not) access archives
b. an object (photos, videos, files, or documentS)
c. a container for storing archives
d. a policy that identifies who can access content stored in Glacier

True

When you create a bucket in Amazon S3, it is associated with a specific AWS region.

the data is automatically replicated within an Availability Zone
can be encrypted upon creation and used by an instance, as if they were not encrypted

Which of the following are features of Amazon Elastic Block Store (Amazon EBS)?
a. Amazon EBS data is automatically backed up to tape
b. data on an Amazon EBS volume is lost when the attached instance is stopped
c. data stored on Amazon EBS is automatically replicated within an Availability Zone
d. Amazon EBS volumes can be encrypted transparently to workloads on the attached instance

Amazon DynamoDB

you are designing an e-commerce web application that will scale to hundreds of thousands of concurrent users. Which database technology is best suited to hold the session state in this example?
a. Amazon Relational Database Service
b. Amazon DynamoDB
c. Amazon Redshift
d. Amazon Simple Storage Service (Amazon S3)

Scan

You need to find an item in an Amazon DynamoDB table using an attribute other than the item's primary key. Which of the following operations should you use?
a. PutItem
b. Scan
c. Query
d. GetItem

all of the above

In Amazon DynamoDB, what does the query operation enable you to do?
a. query a table using the partition key and an optional sort key filter
b. query any secondary indexes that exist for a table
c. efficiently retrieve items from a table or secondary index
d. all of the above

Amazon Redshift

Which AWS Cloud service is best suited for analyzing your data by using standard structured query language (SWL) and your existing business intelligence (BI) tools?

a fundamental data element

In Amazon DynamoDB, an attribute is ________
a. a fundamental data element
b. a collection of items
c. a collection of attributes

Amazon DynamoDB

If you are developing an application that requires a database with extremely fast performance, fast scalability, and flexibility in the database schema, which service should you consider?

Complex transactions

what is an appropriate use case for using Amazon Relational Database Service (Amazon RDS)?
a. massive read.write rates
b. simple GET or PUT requests
c. complex transactions
d. all of the above

Amazon Aurora

A company has an application, which consists of a .NET layer that connects to a MySQL database. They want to move this application on to AWS and use AWS features such as high availability and automated backups. Which of the following would be an ideal database for this use case?
a. Amazon DynamoDB
b. Amazon Redshift
c. Amazon Aurora
d. Amazon RDS

True

True or False? Amazon RDS automatically patches the database software and backs up your database, storing the backups for a user-defined retention period and enabling point-in-time recovery.

all of the above

what should you consider when choosing a database type?
a. data size
b. data access period
c. query frequency
d. highly available
e. all of the above

traceability

Which of the following is not one of the four areas of the performance efficiency pillar of the AWS Well-Architected Framework?
a. Tradeoffs
b. Selection
c. Traceability
d. Monitoring

assume everything will fail

what is a principle when designing cloud based systems?
a. build tightly-couple components
b. make infrequent, large batch changes
c. assume everything will fail
d. use as many services as possible

operational excellence
security
reliability
performance efficiency
cost optimization

what are the pillars of the AWS Well-Architected Framework?

democratize advanced technologies
use server-less architectures

what design principles are recommended when considering performance efficiency?
a. democratize advanced technologies
b. analyze and attribute expenditure
c. match supply with demand
d. enable traceability
e. use server-less architectures

performance
cost optimization
security
fault tolerance
service limits

AWS trusted Advisor provides insight regarding which five categories of an AWS account?

minimizing the environmental impact of running cloud workload

what is the focus of the sustainability pillar of the Well-Architected Framework?

AWS Trusted Advisor

After you move to the AWS Cloud, you want to ensure that the right security settings are put in place. Which online tool can assist in security compliance?

Reliabiltiy

Which of the following is a measure of your system's ability to provide functionality when desired by the user?
a. Avaialbility
b. Fault Tolerance
c. Reliability
d. Performance Efficiency

Fault Tolerance

What is defined as the ability for a system to remain operational even if some of the components of that system fail?

Highly available

What best describes a system that can withstand some measurers of degradation, experiences minimal downtime, and requires minimal human intervention?

Amazon EC2 Auto Scaling
Elastic Load Balancing

What AWS tools can help your application scale up or down based on demand?
a. Availability Zones
b. Amazon EC2 Auto Scaling
c. AWS CloudFormation
d. Elastic Load Balancing
e. AWS Config

Amazon Simple Notification Service (Amazon SNS)

Which service would you use to send alerts based on Amazon CloudWatch alarms?
a. Amazon Simple Notification Service
b. AWS CloudTrail
c. AWS Trusted Advisor
d. Amazon Route 53

Responds to changing conditions by adding or terminating instances
Launches instances from a specified Amazon Machine Image (AMI)
Enforces a minimum number of running Amazon EC2 instance

What are characteristics of Amazon EC2 Auto Scaling?
a. only supports dynamic scaling
b. Responds to changing conditions by adding or terminating instances
c. delivers push notifications
d. Launches instances from a specified Amazon Machine Image (AMI)
e. Enforces a minimum number of running Amazon EC2 instance

a listener

what must be configured on an Elastic Load Balancing load balancer to expect incoming traffic?

Amazon Machine Image (AMI)
Instance type
Amazon Elastic Block Store (Amazon EBS) volumes

which elements are used to create an Amazon EC2 Auto Scaling launch configuration?
a. Amazon Machine Image (AMI)
b. load balancer
c. Instance type
d. Virtual private cloud (VPC) and subnets
e. Amazon Elastic Block Store (Amazon EBS) volumes

Amazon CloudWatch

Amazon service that can help you collect important metrics from Amazon Relational Database Service (Amazon RDS) and Amazon Elastic Compute Cloud (Amazon EC2) instances

minimum size
desired capacity
maximum size

what are elements of an Auto Scaling group?
a. minimum size
b. desired capacity
c. maximum size
d. health checks

AWS CloudTrail

there is an audit at your company and they need to have a log of all access to AWS resources in the account. What service can assist in providing these details?

stops routing traffic to that target
sends it to a healthy target
resumes routing traffic when it detects that the target is healthy again

In Elastic Load Balancing, when the load balancer detects an unhealthy target, what does it do?
a. stops routing traffic to that target
b. triggers an alarm
c. resumes routing traffic when it detects that the target is healthy again
d. resumes routing traffic when manually restarted
e. sends it to a healthy target

a. Application Load Balancer
b. Network Load Balancer
c. Classic Load Balancer

what are three types of load balancers that Elastic Load Balancing offers?

e. all of the above

What are the best advantages of cloud computing over computing on-premises?
a. avoid large capital purchases
b. use on-demand capacity
c. go global in minutes
d. increase speed and agility
e. all of the above

b. pay as you go

What is the pricing model that enables AWS customers to pay for resources on an as-needed basis?
a. pay as you decommission
b. pay as you go
c. pay as you buy
d. pay as you reserve

c. system administration as a service

which of these is NOT a cloud computing model?
a. platform as a service
b. infrastructure as a service
c. system administration as a service
d. software as a service

True

True or False? AWS owns and maintains the network-connected hardware required for application services, while you provision and use what you need.

b. pay for racking, stacking, and powering servers

Which of these is NOT a benefit of cloud computing over on-premise computing?
a. increase speed and agility
b. pay for racking, stacking, and powering servers
c. eliminate guessing on your infrastructure capacity needs
d. trade capital expense for variable expense
e. benefit from massive economies of scale

c. high latency
a. multiple procurement cycles

which of the following are NOT benefits of AWS Cloud computing?
a. multiple procurement cycles
b. high availability
c. high latency
d. temporary and disposable resources
e. fault-tolerant databases

c. Amazon EC2

which of the following is a compute service?
a. Amazon VPC
b. Amazon S3
c. Amazon EC2
d. Amazon CloudFront
e. Amazon Redshift

False

True or False? Cloud computing provides a simple way to access servers, storage, databases, and a broad set of application services over the internet. You own the network-connected hardware required for these services and Amazon Web Services provisions what you need.

b. having hundreds of thousands of customers aggregated in the cloud

Economies of scale result from...
a. having many different cloud providers
b. having hundreds of thousands of customers aggregated in the cloud
c. having hundreds of cloud services available over the internet
d. having to invest heavily in data centers and servers

c. AWS Management Console
d. AWS Command Line Interface
e. Software Development Kits

Which of these are ways to access AWS core services?
a. technical support calls
b. AWS Marketplace
c. AWS Management Console
d. AWS Command Line Interface (AWS CLI)
e. Software Development Kits (SDKs)