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Question: 1
A user is running a MySQL RDS instance. The user will not use the DB for the next 3 months.
How can the user save costs?
A. Pause the RDS activities from CLI until it is required in the future
B. Stop the RDS instance
C. Create a snapshot of RDS to launch in the future and terminate the instance now
D. Change the instance size to micro
Answer: C
Explanation:
The RDS instances unlike the AWS EBS backed instances cannot be stopped or paused. The
user needs to take the final snapshot, terminate the instance and launch a new instance in the
future from that snapshot.
Reference:
http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Overview.BackingUpAndRestori
ngAmazonRDSInstances.html
Question: 2
In DynamoDB, if you create a table and request 10 units of write capacity and 200 units of read
capacity of provisioned throughput, how much would you be charged in US East (Northern
Virginia) Region?
A. $0.05 per hour
B. $0.10 per hour
C. $0.03 per hour
D. $0.15 per hour
Answer: A
Explanation:
To understand pricing in DynamoDB, consider the following example. If you create a table and
AWS-Developer-Associate -- AWS Certified Developer Associate Exam
request 10 units of write capacity and 200 units of read capacity of provisioned throughput, you
would be charged: $0.01 + (4 x $0.01) = $0.05 per hour
Reference: http://aws.amazon.com/dynamodb/pricing/
Question: 3
You have been doing a lot of testing of your VPC Network by deliberately failing EC2 instances to
test whether instances are failing over properly. Your customer who will be paying the AWS bill
for all this asks you if he being charged for all these instances. You try to explain to him how the
billing works on EC2 instances to the best of your knowledge. What would be an appropriate
response to give to the customer in regards to this?
A. Billing commences when Amazon EC2 AMI instance is completely up and billing ends as soon
as the instance starts to shutdown.
B. Billing commences when Amazon EC2 initiates the boot sequence of an AMI instance and
billing ends when the instance shuts down.
C. Billing only commences only after 1 hour of uptime and billing ends when the instance
terminates.
D. Billing commences when Amazon EC2 initiates the boot sequence of an AMI instance and
billing ends as soon as the instance starts to shutdown.
Answer: B
Explanation:
Billing commences when Amazon EC2 initiates the boot sequence of an AMI instance. Billing
ends when the instance shuts down, which could occur through a web services command, by
running “shutdown -h”, or through instance failure.
Reference: http://aws.amazon.com/ec2/faqs/#Billing
Question: 4
AWS Elastic Load Balancer supports SSL termination.
A. True. For specific availability zones only.
B. False
C. True. For specific regions only
D. True. For all regions
Answer: D
Explanation:
You can configure your load balancer in ELB (Elastic Load Balancing) to use a SSL certificate in
order to improve your system security.The load balancer uses the certificate to terminate and
then decrypt requests before sending them to the back-end instances. Elastic Load Balancing
uses AWS Identity and Access Management (IAM) to upload your certificate to your load
balancer.
Reference:
http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/US_SettingUpLoa
dBalancerHTTPS.html
Question: 5
A user has launched five instances with ELB. How can the user add the sixth EC2 instance to
ELB?
A. The user can add the sixth instance on the fly.
B. The user must stop the ELB and add the sixth instance.
C. The user can add the instance and change the ELB config file.
D. The ELB can only have a maximum of five instances.
Answer: A
Explanation:
Elastic Load Balancing automatically distributes incoming traffic across multiple EC2 instances.
You create a load balancer and register instances with the load balancer in one or more
Availability Zones. The load balancer serves as a single point of contact for clients. This enables
you to increase the availability of your application. You can add and remove EC2 instances from
your load balancer as your needs change, without disrupting the overall flow of information.
Reference:
http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/SvcIntro.html
Question: 6
An organization has 500 employees. The organization wants to set up AWS access for each
department. Which of the below mentioned options is a possible solution?
A. Create IAM roles based on the permission and assign users to each role
B. Create IAM users and provide individual permission to each
C. Create IAM groups based on the permission and assign IAM users to the groups
D. It is not possible to manage more than 100 IAM users with AWS
Answer: C
Explanation:
An IAM group is a collection of IAM users. Groups let the user specify permissions for a
collection of users, which can make it easier to manage the permissions for those users.
Reference:
http://docs.aws.amazon.com/IAM/latest/UserGuide/Using_WorkingWithGroupsAndUsers.ht
ml
Question: 7
How long can you keep your Amazon SQS messages in Amazon SQS queues?
A. From 120 secs up to 4 weeks
B. From 10 secs up to 7 days
C. From 60 secs up to 2 weeks
D. From 30 secs up to 1 week
Answer: C
Explanation:
The SQS message retention period is configurable and can be set anywhere from 1 minute to 2
weeks. The default is 4 days and once the message retention limit is reached your messages will
be automatically deleted. The option for longer message retention provides greater flexibility to
allow for longer intervals between message production and consumption.
Reference: https://aws.amazon.com/sqs/faqs/
Question: 8
In regard to DynamoDB, which of the following statements is correct?
A. An Item should have at least two value sets, a primary key and another attribute.
B. An Item can have more than one attributes.
C. A primary key should be single-valued.
D. An attribute can have one or several other attributes.
Answer: B
Explanation:
In Amazon DynamoDB, a database is a collection of tables. A table is a collection of items and
each item is a collection of attributes.
Reference:
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DataModel.html
Question: 9
Which one of the following statements is NOT an advantage of DyanamoDB being built on Solid
State Drives:
A. serve high-scale request workloads
B. low request pricing
C. high I/O performance of WebApp on EC2 instance
D. low-latency response times
Answer: C
Explanation:
In DynamoDB, SSDs help achieve design goals of predictable low-latency response times for
storing and accessing data at any scale. The high I/O performance of SSDs also enables to serve
high-scale request workloads cost efficiently, and to pass this efficiency along in low request
pricing.
Reference: http://aws.amazon.com/dynamodb/faqs/
Question: 10
An organization has hosted an application on the EC2 instances. There will be multiple users
connecting to the instance for setup and configuration of application. The organization is
planning to implement certain security best practices. Which of the below mentioned pointers
will not help the organization achieve better security arrangement?
A. Apply the latest patch of OS and always keep it updated.
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