ch 1-3 practice q's Flashcards
1
Q
Which of the following does not contribute significantly to the operational value of a large cloud provider like AWS?
A
Deep experience in the retail sphere
2
Q
Which of the following are signs of a highly available application? (Select TWO.)
A
A failure in one geographic region will trigger an automatic fail over to resources in a different region.
Spikes in user demand are met through automatically increasing resources.
3
Q
How does the metered payment model make many benefits of cloud computing possible? (Select TWO.)
A
Experiments with multiple configuration options are now cost-effective.
Full-stack applications are possible without the need to invest in capital expenses.
4
Q
Which of the following are direct benefits of server virtualization? (Select TWO.)
A
Fast resource provisioning and launching
Efficient (high-density) use of resources
5
Q
What is a hypervisor?
A
Software used to administrate virtualized resources run on physical infrastructure
6
Q
Which of the following best describes server virtualization?
A
Logically partitioning physical compute and storage devices into multiple smaller virtual devices
7
Q
Which of the following best describes Infrastructure as a Service products?
A
Services that give you direct control over underlying compute and storage resources
8
Q
Which of the following best describes Platform as a Service products?
A
Services that hide infrastructure complexity behind a simple interface
9
Q
Which of the following best describes Software as a Service products?
A
Services that provide a service to end users through a public network
10
Q
Which of the following best describes scalability?
A
The ability of an application to automatically add preconfigured compute resources to meet increasing demand
11
Q
Which of the following best describes elasticity?
A
The ability of an application to increase or decrease compute resources to match changing demand
12
Q
Which of the following characteristics most help AWS provide such scalable services?
(Select TWO.)
A
The enormous number of servers it operates
Its highly automated infrastructure administration systems
13
Q
Which of the following EC2 services can be used without charge under the Free Tier?
A
t2.micro EC2 instance type instances for a total of 750 hours per month
14
Q
You want to experiment with deploying a web server on an EC2 instance. Which two of the following resources can you include to make that work while remaining within the Free Tier? (Select TWO.)
A
A t2.micro instance type EC2 instance
A 30 GB solid-state Elastic Block Store (EBS) drive
15
Q
Which of the following usage will always be cost-free even after your account’s Free Tier has expired? (Select TWO.)
A
10 GB of data retrievals from Amazon Glacier per month
10 custom monitoring metrics and 10 alarms on Amazon CloudWatch
16
Q
Which of the following tools are available to ensure you won’t accidentally run past your Free Tier limit and incur unwanted costs? (Select TWO.)
A
Automated email alerts when activity approaches the Free Tier limits
The Top Free Tier Services by Usage section on the Billing & Cost Management Dashboard
17
Q
Which of the following is likely to be an accurate source of AWS pricing information?
A
AWS online documentation relating to a particular service
18
Q
Which of the following will probably not affect the pricing for an AWS service?
A
Requests for raising the available service limit
19
Q
Which of the following is a limitation of the AWS Simple Monthly Calculator?
A
Not all AWS services are included.
20
Q
Which of the following Simple Monthly Calculator selections will likely have an impact on most other configuration choices on the page? (Select TWO.)
A
Free Usage Tier
Choose Region
21
Q
Which of the following is not an included parameter in the AWS Total Cost of Ownership Calculator?
A
The tax implications of a cloud deployment
22
Q
Which of the following AWS Total Cost of Ownership Calculator parameters is likely to have the greatest impact on cost?
A
Number of servers
23
Q
Which of the following AWS documentation URLs points to the page containing an up-to-date list of service limits?
A
https://docs.aws.amazon.com/general/latest/gr/aws_service_limits.html
24
Q
Which of the following best describes one possible reason for AWS service limits?
A
To prevent individual customers from accidentally launching a crippling level of resource consumption
25
Is it always possible to request service limit increases from AWS?
No. Some service limits are hard.
26
Which is the best place to get a quick summary of this month’s spend for your account?
Billing & Cost Management Dashboard
27
What is the main goal for creating a Usage budget type (in AWS Budgets)?
To track particular categories of resource consumption
28
Which of the following is not a setting you can configure in a Cost budget?
Owner (username of resource owner)
29
What is the main difference between the goals of Cost Explorer and of cost and usage reports?
Cost Explorer displays visualizations of high-level historical and current account costs, while cost and usage reports generate granular usage reports in CSV format.
30
What is the purpose of cost allocation tags?
To help you identify resources for the purpose of tracking your account spending
31
Which of the following scenarios would be a good use case for AWS Organizations? (Select TWO.)
A single company with multiple AWS accounts that wants a single place to administrate everything
A company that’s integrated some operations with an upstream vendor
32
Which of the tools lets you design graphs within the browser interface to track your account spending?
Cost Explorer
33
Your company is planning a major deployment on AWS. While the design and testing stages are still in progress, which of the following plans will provide the best blend of support and cost savings?
Business
34
Your web development team is actively gearing up for a deployment of an ecommerce site. During these early stages of the process, individual developers are running into frustrating conflicts and configuration problems that are highly specific to your situation. Which of the following plans will provide the best blend of support and cost savings?
Developer
35
Your corporate website was offline last week for more than two hours—which caused serious consequences, including the early retirement of your CTO. Your engineers have been having a lot of trouble tracking down the source of the outage and admit that they need outside help. Which of the following will most likely meet that need?
Enterprise
36
For which of the following will AWS provide direct 24/7 support to all users—even those on the Basic Support plan?
Help with making a bill payment to AWS
37
The primary purpose of an AWS technical account manager is to:
Provide deployment guidance and advocacy for Enterprise Support customers
38
```
Your Linux-based EC2 instance requires a patch to a Linux kernel module. The problem is that patching the module will, for some reason, break the connection between your
instance and data in an S3 bucket. Your team doesn’t know if it’s possible to work around this problem. Which is the most cost-effective AWS plan through which support
professionals will try to help you?
```
Business
39
Your company enrolled in the Developer Support plan and, through the course of one month, consumed $4,000 USD of AWS services. How much will the support plan cost the
company for the month?
$120
40
Your company enrolled in the Business Support plan and, through the course of three months, consumed $33,000 of AWS services (the consumption was equally divided
across the months). How much will the support plan cost the company for the full three months?
$2,310
41
Which of the following AWS support services does not offer free documentation of some sort?
AWS Partner Network
42
What is the key difference between the roles of AWS Professional Services and a technical account manager (TAM)?
The Professional Services product helps AWS Partner Network cloud professionals work alongside your own team to help you administrate your cloud infrastructure. The TAM is a cloud professional employed by AWS to guide you through the planning and execution of your infrastructure.
43
AWS documentation is available in a number of formats, including which of the following? (Select TWO.)
Kindle
| HTML
44
Which of the following documentation sites are most likely to contain code snippets for you to cut and (after making sure you understand exactly what they’ll do) paste into your AWS operations? (Select TWO.)
https: //aws.amazon.com/premiumsupport/knowledge-center/
https: //docs.aws.amazon.com/
45
What is the primary function of the content linked from the Knowledge Center?
To present solutions to commonly encountered technical problems using AWS infrastructure
46
On which of the following sites are you most likely to find information about encrypting your AWS resources?
https://aws.amazon.com/security/security-learning/
47
When using AWS documentation pages, what is the best way to be sure the information you’re reading is up-to-date?
The page URL will include the word latest.
48
Which of the following is not a Trusted Advisor category?
Replication
49
“Data volumes that aren’t properly backed up” is an example of which of these Trusted Advisor categories?
Fault Tolerance
50
Instances that are running (mostly) idle should be identified by which of these Trusted Advisor categories?
Cost Optimization
51
Within the context of Trusted Advisor, what is a false positive?
An alert for a service state that was actually intentional
52
Which of the following Trusted Advisor alerts is available only for accounts on the Business or Enterprise Support plan? (Select TWO.)
An alert for a service state that was actually intentional
53
Which of the following Trusted Advisor alerts is available only for accounts on the Business or Enterprise Support plan? (Select TWO.)
Load Balancer Optimization
IAM Access Key Rotation
54
Which of the following credentials can you use to log into the AWS Management Console?
A. Access key ID
B. Account alias
C. Account ID
D. Identity and Access Management (IAM) username
d
55
```
How long will your session with the AWS Management Console remain active?
A. 6 hours
B. 12 hours
C. 8 hours
D. 24 hours
E. 15 minutes
```
b
56
While looking at the EC2 service console in the AWS Management Console while logged in
as the root user, you notice all of your instances are missing. What could be the reason?
A. You’ve selected the wrong region in the navigation bar.
B. You don’t have view access.
C. You’ve selected the wrong Availability Zone in the navigation bar.
D. You don’t have an access key.
a
57
```
Which of the following is true regarding a resource tag?
A. It must be unique within an account.
B. It’s case insensitive.
C. It must have a key.
D. It must have a value.
```
c
58
Which of the following is required to use the AWS Command Line Interface (CLI)?
A. A secret key
B. An IAM user
C. Outbound network access to TCP port 80
D. Linux
a
59
```
Which of the following are options for installing the AWS CLI on Windows 10?
(Select TWO.)
A. The MSI installer
B. An AWS software development kit (SDK)
C. The Yum or Aptitude package manager
D. Using Python and pip
```
a, d
60
After installing the AWS Command Line Interface, what should you do before using it to
securely manage your AWS resources?
A. Issue the aws --version command.
B. Issue the aws configure command.
C. Reboot.
D. Generate a new access key ID and secret access key for the root user.
b
61
```
Which output format does the AWS CLI support?
A. Tab-separated values (TSV)
B. Comma-separated values (CSV)
C. JavaScript object notation (JSON)
D. None of these
```
c
62
```
Which of the following programming languages are AWS software development kits avail-
able for? (Select THREE.)
A. Fortran
B. JavaScript
C. JSON
D. Java
E. PHP
```
b. d. e
63
Which of the following software development kits (SDKs) enable developers to write mobile
applications that run on both Apple and Android devices? (Select TWO.)
A. AWS Mobile SDK for Unity
B. AWS Mobile SDK for .NET and Xamarin
C. AWS SDK for Go
D. AWS Mobile SDK for iOS
a, b
64
Which of the following programming languages are AWS Internet of Things (IoT) device
software development kits available for? (Select TWO.)
A. JavaScript
B. C++
C. Swift
D. Ruby
a, b
65
What’s the difference between the AWS Command Line Interface (CLI) and the AWS soft-
ware development kits (SDK)? (Select TWO.)
A. The AWS SDKs allow you to use popular programming languages to write applications
that interact with AWS services.
B. The AWS CLI allows you to interact with AWS services from a terminal.
C. The AWS SDKs allow you to interact with AWS services from a terminal.
D. The AWS CLI allows you to use popular programming languages to write applications
that interact with AWS services.
a, b
66
```
Which of the following CloudWatch features store performance data from AWS services?
A. Logs
B. Metrics
C. Events
D. Metric filters
E. Alarms
```
b
67
For which of the following scenarios can you create a CloudWatch alarm to send a
notification?
A. A metric that doesn’t change for 24 hours
B. Termination of an EC2 instance
C. The presence of a specific IP address in a web server log
D. A metric that exceeds a given threshold
d
68
Which of the following Simple Notification Service (SNS) protocols can you use to send a
notification? (Select TWO.)
A. Short Message Service (SMS) text message
B. CloudWatch Events
C. Simple Queue Service (SQS)
D. Mobile pull notification
a, c
69
Which of the following are true regarding CloudWatch Events? (Select TWO.)
A. It can reboot an EC2 instance when an error appears in a log file.
B. It can send an SNS notification when an EC2 instance’s CPU utilization exceeds 90%.
C. It can send an SNS notification when an IAM user logs in to the AWS Management
Console.
D. It can shut down an EC2 instance at a specific time.
c, d
70
Which of the following trigger an API action? (Select TWO.)
A. Configuring the AWS Command Line Interface (CLI)
B. Viewing an S3 bucket from the AWS Management Console
C. Logging into the AWS Management Console
D. Listing IAM users from the AWS Command Line Interface (CLI)
b, d
71
```
What’s the most cost-effective way to view and search only the last 60 days of management
API events on your AWS account?
A. Use CloudTrail event history.
B. Create a trail.
C. Stream CloudTrail logs to CloudWatch.
D. Use CloudWatch Events.
```
a
72
You want to log every object downloaded from an S3 bucket in a specific region. You want
to retain these logs indefinitely and search them easily. What’s the most cost-effective way
to do this? (Select TWO.)
A. Stream CloudTrail logs to CloudWatch Logs.
B. Use CloudTrail event history.
C. Enable CloudTrail logging of global service events.
D. Create a trail to log S3 data events.
a, d
73
What is a benefit of using CloudTrail log file integrity validation?
A. It lets you assert that no CloudTrail log files have been deleted from CloudWatch.
B. It lets you assert that no CloudTrail log files have been deleted from S3.
C. It prevents unauthorized users from deleting CloudTrail log files.
D. It tells you how a CloudTrail log file has been tampered with.
b
74
Which of the following Cost Explorer report types can show you the monthly costs for your
reserved EC2 instances?
A. Reserved instance recommendations
B. Reserved Instances (RI) Coverage reports
C. Reserved Instances (RI) Utilization reports
D. Costs and usage reports
d
75
Which of the following services allow you to purchase reserved instances to save money?
A. Amazon Relational Database Service (RDS)
B. Lambda
C. S3
D. AWS Fargate
a
76
Which Cost Explorer report shows the amount of money you’ve saved using reserved
instances?
A. Daily costs
B. Reservation Utilization
C. Reservation Coverage
D. Monthly EC2 running hours costs and usage
b
77
You’ve been running several Elasticsearch instances continuously for the past three months.
You check the reserved instance recommendations in Cost Explorer but see no recommen-
dations. What could be a reason for this?
A. The recommendation parameters are based on the past seven days.
B. You haven’t selected the Elastic Compute Cloud (EC2) service.
C. Cost Explorer doesn’t make reservation recommendations for Elasticsearch.
D. Your instances are already covered by reservations.
E. You haven’t selected the ElastiCache service.
d
78
What is the function of an EC2 AMI?
A. To define the hardware profile used by an EC2 instance
B. To serve as an instance storage volume for high-volume data processing operations
C. To serve as a source image from which an instance’s primary storage volume is built
D. To define the way data streams are managed by EC2 instances
c
79
```
Where can you find a wide range of verified AMIs from both AWS and third-party vendors?
A. AWS Marketplace
B. Quick Start
C. Community AMIs
D. My AMIs
```
a
80
```
Which of the following could be included in an EC2 AMI? (Select TWO.)
A. A networking configuration
B. A software application stack
C. An operating system
D. An instance type definition
```
b, c
81
```
Which of the following are EC2 instance type families? (Select TWO.)
A. c5d.18xlarge
B. Compute optimized
C. t2.micro
D. Accelerated computing
```
b, d
82
When describing EC2 instance types, what is the role played by the vCPU metric?
A. vCPUs represent an instance’s potential resilience against external network demands.
B. vCPUs represent an instance type’s system memory compared to the class of memory
modules on a physical machine.
C. vCPUs represent an AMI’s processing power compared to the number of processors on
a physical machine.
D. vCPUs represent an instance type’s compute power compared to the number of
processors on a physical machine.
d
83
Which of the following describes an EC2 dedicated instance?
A. An EC2 instance running on a physical host reserved for the exclusive use of a single
AWS account
B. An EC2 instance running on a physical host reserved for and controlled by a single
AWS account
C. An EC2 AMI that can be launched only on an instance within a single AWS account
D. An EC2 instance optimized for a particular compute role
a
84
Which of the following describes an EBS volume?
A. A software stack archive packaged to make it easy to copy and deploy to an EC2
instance
B. A virtualized partition of a physical storage drive that’s directly connected to the EC2
instance it’s associated with
C. A virtualized partition of a physical storage drive that’s not directly connected to the
EC2 instance it’s associated with
D. A storage volume that’s encrypted for greater security
c
85
Why might you want to use an instance store volume with your EC2 instance rather than a
volume from the more common EBS service? (Select TWO.)
A. Instance store volumes can be encrypted.
B. Instance store volumes, data will survive an instance shutdown.
C. Instance store volumes provide faster data read/write performance.
D. Instance store volumes are connected directly to your EC2 instance.
c, d
86
Your web application experiences periodic spikes in demand that require the provisioning
of extra instances. Which of the following pricing models would make the most sense for
those extra instances?
A. Spot
B. On-demand
C. Reserved
D. Dedicated
b
87
Your web application experiences periodic spikes in demand that require the provisioning
of extra instances. Which of the following pricing models would make the most sense for
the “base” instances that will run constantly?
A. Spot
B. On-demand
C. Spot fleet
D. Reserved
d
88
Which of the following best describes what happens when you purchase an EC2 reserved
instance?
A. Charges for any instances you run matching the reserved instance type will be covered
by the reservation.
B. Capacity matching the reserved definition will be guaranteed to be available whenever
you request it.
C. Your account will immediately and automatically be billed for the full reservation
amount.
D. An EC2 instance matching your reservation will automatically be launched in the
selected AWS Region.
a
89
Which of the following use cases are good candidates for spot instances? (Select TWO.)
A. Big data processing workloads
B. Ecommerce websites
C. Continuous integration development environments
D. Long-term, highly available, content-rich websites
a, c
90
```
Which AWS services simplify the process of bringing web applications to deployment?
(Select TWO.)
A. Elastic Block Store
B. Elastic Compute Cloud
C. Elastic Beanstalk
D. Lightsail
```
c, d
91
```
Which of the following services bills at a flat rate regardless of how it’s consumed?
A. Lightsail
B. Elastic Beanstalk
C. Elastic Compute Cloud
D. Relational Database Service
```
a
92
```
Which of these stacks are available from Lightsail blueprints? (Select TWO.)
A. Ubuntu
B. Gitlab
C. WordPress
D. LAMP
```
b, d
93
```
Which of these AWS services use primarily EC2 resources under the hood? (Select TWO.)
A. Elastic Block Store
B. Lightsail
C. Elastic Beanstalk
D. Relational Database Service
```
b, c
94
```
Which of the following AWS services are designed to let you deploy Docker containers?
(Select TWO.)
A. Elastic Container Service
B. Lightsail
C. Elastic Beanstalk
D. Elastic Compute Cloud
```
a, c
