1-30 Flashcards

1
Q

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

A

C. Create a snapshot of RDS to launch in the future and terminate the instance now

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2
Q
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
A

A. $0.05 per hour

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3
Q

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.

A

B. Billing commences when Amazon EC2 initiates the boot sequence of an AMI instance and billing ends when the instance shuts down.

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4
Q

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

A

D. True. For all regions

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5
Q

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.

A

A. The user can add the sixth instance on the fly.

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6
Q

QUESTION 6
An orgAMzation has 500 employees. The orgAMzation wants to set up AWS access for each department. Which of the below mentioned options is a possible solution?
A. Create 1AM roles based on the permission and assign users to each role
B. Create 1AM users and provide indMdual permission to each
C. Create 1AM groups based on the permission and assign 1AM users to the groups
D. It is not possible to manage more than 100 1AM users with AWS

A

C. Create 1AM groups based on the permission and assign 1AM users to the groups

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7
Q
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
A

C. From 60 secs up to 2 weeks

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8
Q

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

A

B. An Item can have more than one attributes.

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9
Q

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

A

C. high I/O performance of WebApp on EC2 instance

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10
Q

QUESTION 10
An orgAMzation has hosted an application on the EC2 instances. There will be multiple users connecting to the instance for setup and configuration of application. The orgAMzation is planning to implement certain security best practices. Which of the below mentioned pointers will not help the orgAMzation achieve better security arrangement?
A. Apply the latest patch of OS and always keep it updated.
B. Allow only 1AM users to connect with the EC2 instances with their own secret access key.
C. Disable the password based login for all the users. All the users should use their own keys to connect with the instance securely.
D. Create a procedure to revoke the access rights of the indMdual user when they are not required to connect to EC2 instance anymore for the purpose of application configuration.

A

B. Allow only 1AM users to connect with the EC2 instances with their own secret access key.

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11
Q
QUESTION 11
A user is planning to make a mobile game which can be played online or offline and will be hosted on EC2. The user wants to ensure that if someone breaks the highest score or they achieve some milestone they can inform all their colleagues through email. Which of the below mentioned AWS services helps achieve this goal?
A.	AWS Simple Workflow Service.
B.	AWS Simple Queue Service.
C.	Amazon Cognito
D.	AWS Simple Email Service.
A

D. AWS Simple Email Service.

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12
Q
QUESTION 12
Which one of the following operations is NOT a DynamoDB operation?
A.	Batch Write |tem
B.	DescribeTable
C.	BatchGetltem
D.	BatchDeleteltem
A

D. BatchDeleteltem

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13
Q

QUESTION 13
True or False: In DynamoDB, Scan operations are always eventually consistent.
A. No, scan is like Query operation
B. Yes
C. No, scan is strongly consistent by default
D. No, you can optionally request strongly consistent scan.

A

B. Yes

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14
Q
QUESTION 14
Regarding Amazon SNS, when you want to subscribe to a topic and receive notifications to your email, in the Protocol drop-down box, you should select.
A.	Email
B.	Message
C.	SMTP
D.	IMAP
A

A. Email

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15
Q
QUESTION 15
In Amazon EC2, which of the following is the type of monitoring data for Amazon EBS volumes that is available automatically in 5-minute periods at no charge?
A.	Primary
B.	Basic
C.	Initial
D.	Detailed
A

B. Basic

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16
Q
QUESTION 16
In DynamoDB, to get a detailed listing of secondary indexes on a table, you can use the action.
A.	DescribeTable
B.	BatchGetltem
C.	Getltem
D.	TableName
A

A. DescribeTable

17
Q

QUESTION 17
A user has launched an EC2 instance. However, due to some reason the instance was terminated. If the user wants to find out the reason for termination, where can he find the details?
A. The user can get information from the AWS console, by checking the Instance description under the State transition reason label
B. The user can get information from the AWS console, by checking the Instance description under the Instance Termination reason label
C. The user can get information from the AWS console, by checking the Instance description under the Instance Status Change reason label
D. It is not possible to find the details after the instance is terminated

A

A. The user can get information from the AWS console, by checking the Instance description under the State transition reason label

18
Q
QUESTION 18
is a task coordination and state management service for cloud applications.
A.	Amazon SES
B.	Amazon SWF
C.	Amazon FPS
D.	Amazon SNS
A

B. Amazon SWF

19
Q

QUESTION 19
When you create a table with a hash-and-range key, you must define one or more secondary indexes on that table.
A. False, hash-range key is another name for secondary index
B. False, it is optional
C. True
D. False, when you have Hash-Range key you cannot define Secondary index

A

B. False, it is optional

20
Q
QUESTION 20
A user is planning to create a structured database in the cloud. Which of the below mentioned AWS offerings help the user achieve the goal?
A.	AWS DynamoDB
B.	AWS RDS
C.	AWS Simp|eDB
D.	AWS RSD
A

B. AWS RDS

21
Q

QUESTION 21
A user has created a MySQL RDS instance with PIOPS. Which of the below mentioned statements will help user understand the advantage of PIOPS?
A. The user can achieve additional dedicated capacity for the EBS I/O with an enhanced RDS option
B. It uses optimized EBS volumes and optimized configuration stacks
C. It provides a dedicated network bandwidth between EBS and RDS
D. It uses a standard EBS volume with optimized configuration the stacks

A

B. It uses optimized EBS volumes and optimized configuration stacks

22
Q

QUESTION 22
A user is accessing an EC2 instance on the SSH port for IP 10.20.30.40. Which one is a secure way to configure that the instance can be accessed only from this IP?
A. In the security group, open port 22 for IP 1020.30.40/0
B. In the security group, open port 22 for IP 10.20.30.40/32
C. In the security group, open port 22 for IP 10.20.30.40/24
D. In the security group, open port 22 for IP 10.20.30.40

A

B. In the security group, open port 22 for IP 10.20.30.40/32

23
Q

QUESTION 23
When a user is detaching an EBS volume from a running instance and attaching it to a new instance, which of the below mentioned options should be followed to avoid file system damage?
A. Unmount the volume first
B. Stop all the I/O of the volume before processing
C. Take a snapshot of the volume before detaching
D. Force Detach the volume to ensure that all the data stays intact

A

A. Unmount the volume first

24
Q
QUESTION 24
A user is planning to host a scalable dynamic web application on AWS. Which of the services may not be required by the user to achieve automated scalability?
A.	CloudWatch
B.	S3
C.	AutoScaling
D.	AWS EC2 instances
A

B. S3

25
Q
QUESTION 25
Which one of the following data types does Amazon DynamoDB not support?
A.	Arrays
B.	String
C.	Binary
D.	Number Set
A

A. Arrays

26
Q

QUESTION 26
Regarding Amazon SNS, you can send notification messages to mobile devices through any of the following supported push notification services, EXCEPT:
A. Google Cloud Messaging for Android (GCM)
B. Apple Push Notification Service (APNS)
C. Amazon Device Messaging (ADM)
D. Microsoft Windows Mobile Messaging (MWMM)

A

D. Microsoft Windows Mobile Messaging (MWMM)

27
Q

QUESTION 27
A user plans to use RDS as a managed DB platform. Which of the below mentioned features is not supported by RDS?
A. Automated backup
B. Automated scaling to manage a higher load
C. Automated failure detection and recovery
D. Automated software patching

A

B. Automated scaling to manage a higher load

28
Q
QUESTION 28
A user has not enabled versioning on an S3 bucket. What will be the version ID of the object inside that bucket?
A.    0
B.	There will be no version attached
C.	Null
D.	Blank
A

C. Null

29
Q

QUESTION 29
A user has created a queue named “myqueue” with SQS. There are four messages published to queue which are not received by the consumer yet. If the user tries to delete the queue, what will happen?
A. A user can never delete a queue manually. AWS deletes it after 30 days of inactivity on queue
B. It will initiate the delete but wait for four days before deleting until all messages are deleted automatically.
C. It will ask user to delete the messages first
D. It will delete the queue

A

D. It will delete the queue

30
Q

QUESTION 30
What happens if your application performs more reads or writes than your provisioned capacity?
A. Nothing
B. requests above your provisioned capacity will be performed but you will receive 400 error codes.
C. requests above your provisioned capacity will be performed but you will receive 200 error codes.
D. requests above your provisioned capacity will be throttled and you will receive 400 error codes.

A

D. requests above your provisioned capacity will be throttled and you will receive 400 error codes.