NEW QUESTION 1
Fill in the blanks: The base URI for all requests for instance metadata is _ _

• A. http://254.169.169.254/Iatest/
• B. http://169.169.254.254/|atesU
• C. http://127.0.0.1/|atest/
• D. http://I69.254.169.254/|atest/

Answer: D

NEW QUESTION 2
You have just finshed setting up an advertisement server in which one of the obvious choices for a service was Amazon Elastic Map Reduce( EMR) and are now troubleshooting some weird cluster states that you are seeing. Which of the below is not an Amazon EMR cluster state?

• A. STARTING
• B. STOPPED
• C. RUNNING
• D. WAITING

Answer: B

Explanation: Amazon Elastic Map Reduce (EMR) is a web service that enables businesses, researchers, data analysts, and developers to easily and cost-effectively process vast amounts of data.
Amazon EMR historically referred to an Amazon EMR cluster (and all processing steps assigned to it) as a "c|uster". Every cluster has a unique identifier that starts with "j-".
The different cluster states of an Amazon EMR cluster are listed below. STARTING — The cluster provisions, starts, and configures EC2 instances. BOOTSTRAPPING — Bootstrap actions are being executed on the cluster. RUNNING — A step for the cluster is currently being run.
WAITING — The cluster is currently active, but has no steps to run. TERMINATING - The cluster is in the process of shutting down. TERMINATED - The cluster was shut down without error. TERMINATED_W|TH_ERRORS - The cluster was shut down with errors.
Reference: https://aws.amazon.com/elasticmapreduce/faqs/

NEW QUESTION 3
What does Amazon Route53 provide?

• A. A global Content Delivery Network.
• B. None of these.
• C. A scalable Domain Name System.
• D. An SSH endpoint for Amazon EC2.

Answer: C

NEW QUESTION 4
In the most recent company meeting, your CEO focused on the fact that everyone in the organization needs to make sure that all of the infrastructure that is built is truly scalable. Which of the following statements is incorrect in reference to scalable architecture?

• A. A scalable service is capable of handling heterogeneity.
• B. A scalable service is resilient.
• C. A scalable architecture won't be cost effective as it grows.
• D. Increasing resources results in a proportional increase in performanc

Answer: C

Explanation: In AWS it is critical to build a scalable architecture in order to take advantage of a scalable infrastructure. The cloud is designed to provide conceptually infinite scalability. However, you cannot leverage all that scalability in infrastructure if your architecture is not scalable. Both have to work together. You will have to identify the monolithic components and bottlenecks in your architecture, identify the areas where you cannot leverage the on-demand provisioning capabilities in your architecture, and work to refactor your application, in order to leverage the scalable infrastructure and take advantage of the cloud.
Characteristics of a truly scalable application:
Increasing resources results in a proportional increase in performance A scalable service is capable of handling heterogeneity
A scalable service is operationally efficient A scalable service is resilient
A scalable service should become more cost effective when it grows (Cost per unit reduces as the number of units increases)
Reference: http://media.amazonwebservices.com/AWS_CIoud_Best_Practices.pdf

NEW QUESTION 5
Which of the following services natively encrypts data at rest within an AWS region? Choose 2 answers

• A. AWS Storage Gateway
• B. Amazon DynamoDB
• C. Amazon C|oudFront
• D. Amazon Glacier
• E. Amazon Simple Queue Senrice

Answer: AD

Explanation: Reference:
https://media.amazonwebservices.com/AWS_Securing_Data_ at_Rest_ with_E ncryption. pdf (page 12)

NEW QUESTION 6
A user wants to achieve High Availability with PostgreSQL DB. Which of the below mentioned functionalities helps achieve HA?

• A. Mu|ti AZ
• B. Read Replica
• C. Multi region
• D. PostgreSQL does not support HA

Answer: A

Explanation: The Multi AZ feature allows the user to achieve High Availability. For Multi AZ, Amazon RDS automatically provisions and maintains a synchronous "standby" replica in a different Availability Zone. Reference: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Welcome.html

NEW QUESTION 7
Please select the Amazon EC2 resource which cannot be tagged.

• A. images (AM|s, kernels, RAM disks)
• B. Amazon EBS volumes
• C. Elastic IP addresses
• D. VPCs

Answer: C

NEW QUESTION 8
Your company plans to host a large donation website on Amazon Web Services (AWS). You anticipate a large and undetermined amount of traffic that will create many database writes. To be certain that you do not drop any writes to a database hosted on AWS. Which service should you use?

• A. Amazon RDS with provisioned IOPS up to the anticipated peak write throughput.
• B. Amazon Simple Queue Service (SOS) for capturing the writes and draining the queue to write to the database.
• C. Amazon EIastiCache to store the writes until the writes are committed to the database.
• D. Amazon DynamoDB with provisioned write throughput up to the anticipated peak write throughpu

Answer: B

Explanation: Amazon Simple Queue Service (Amazon SQS) offers a reliable, highly scalable hosted queue for storing messages as they travel between computers. By using Amazon SQS, developers can simply move data between distributed application components performing different tasks, without losing messages or requiring each component to be always available. Amazon SQS makes it easy to build a distributed, decoupled application, working in close conjunction with the Amazon Elastic Compute Cloud (Amazon EC2) and the other AWS infrastructure web services.
What can I do with Amazon SQS?
Amazon SQS is a web service that gives you access to a message queue that can be used to store messages while waiting for a computer to process them. This allows you to quickly build message queuing applications that can be run on any computer on the internet. Since Amazon SQS is highly scalable and you only pay for what you use, you can start small and grow your application as you wish, with no compromise on performance or reliability. This lets you focus on building sophisticated message-based applications, without worrying about how the messages are stored and managed.
You can use Amazon SQS with software applications in various ways. For example, you can: Integrate Amazon SQS with other AWS infrastructure web services to make applications more reliable and filexible.
Use Amazon SQS to create a queue of work where each message is a task that needs to be completed by a process. One or many computers can read tasks from the queue and perform them. Build a microservices architecture, using queues to connect your microservices.
Keep notifications of significant events in a business process in an Amazon SQS queue. Each event can have a corresponding message in a queue, and applications that need to be aware of the event can read and process the messages.

NEW QUESTION 9
You are running a successful multitier web application on AWS and your marketing department has asked you to add a reporting tier to the application. The reporting tier will aggregate and publish status reports every 30 minutes from user-generated information that is being stored in your web application s database. You are currently running a MuIti-AZ RDS MySQL instance for the database tier. You also have implemented Elasticache as a database caching layer between the application tier and database tier. Please select the answer that will allow you to successful ly implement the reporting tier with as little impact as possible to your database.

• A. Continually send transaction logs from your master database to an 53 bucket and generate the reports off the 53 bucket using 53 byte range request s.
• B. Generate the reports by querying the synchronously replicated standby RDS MySQL instance maintained through Multi-AZ.
• C. Launch a RDS Read Replica connected to your MuIti AZ master database and generate reports by querying the Read Replica.
• D. Generate the reports by querying the EIastiCache database caching tie

Answer: C

Explanation: Amazon RDS allows you to use read replicas with MuIti-AZ deployments. In Multi-AZ deployments for MySQL, Oracle, SQL Server, and PostgreSQL, the data in your primary DB Instance is synchronously replicated to a standby instance in a different Availability Zone (AZ). Because of their synchronous replication, MuIti-AZ deployments for these engines offer greater data durability benefits than do read replicas. (In all Amazon RDS for Aurora deployments, your data is automatically replicated across 3 Availability Zones.)
You can use MuIti-AZ deployments and read replicas in conjunction to enjoy the complementary benefits of each. You can simply specify that a given Multi-AZ deployment is the source DB Instance for your Read replicas. That way you gain both the data durability and availability benefits of Multi -AZ deployments and the read scaling benefits of read replicas.
Note that for MuIti-AZ deployments, you have the option to create your read replica in an AZ other than that of the primary and the standby for even more redundancy. You can identify the AZ corresponding to your standby by looking at the "Secondary Zone" field of your DB Instance in the AWS Management Console.

NEW QUESTION 10
Your company has HQ in Tokyo and branch offices all over the world and is using a logistics software with a multi-regional deployment on AWS in Japan, Europe and USA, The logistic software has a 3- tier architecture and currently uses MySQL 5.6 for data persistence. Each region has deployed its own database
In the HQ region you run an hourly batch process reading data from every region to compute cross regional reports that are sent by email to all offices this batch process must be completed as fast as possible to quickly optimize logistics how do you build the database architecture in order to meet the requirements'?

• A. For each regional deployment, use RDS MySQL with a master in the region and a read replica in the HQ region
• B. For each regional deployment, use MySQL on EC2 with a master in the region and send hourly EBS snapshots to the HQ region
• C. For each regional deployment, use RDS MySQL with a master in the region and send hourly RDS snapshots to the HQ region
• D. For each regional deployment, use MySQL on EC2 with a master in the region and use 53 to copy data files hourly to the HQ region
• E. Use Direct Connect to connect all regional MySQL deployments to the HQ region and reduce network latency for the batch process

Answer: A

NEW QUESTION 11
If I want my instance to run on a single-tenant hardware, which value do I have to set the instance's tenancy attribute to?

• A. dedicated
• B. isolated
• C. one
• D. reserved

Answer: A

NEW QUESTION 12
A user is storing a large number of objects on AWS S3. The user wants to implement the search functionality among the objects. How can the user achieve this?

• A. Use the indexing feature of S3.
• B. Tag the objects with the metadata to search on that.
• C. Use the query functionality of S3.
• D. Make your own DB system which stores the S3 metadata for the search functionalit

Answer: D

Explanation: In Amazon Web Services, AWS S3 does not provide any query facility. To retrieve a specific object the user needs to know the exact bucket / object key. In this case it is recommended to have an own DB system which manages the S3 metadata and key mapping.
Reference: http://media.amazonwebservices.com/AWS_Storage_Options.pdf

NEW QUESTION 13
How can you apply more than 100 rules to an Amazon EC2-Classic?

• A. By adding more security groups
• B. You need to create a default security group specifying your required rules if you need to use more than 100 rules per security group.
• C. By default the Amazon EC2 security groups support 500 rules.
• D. You can't add more than 100 rules to security groups for an Amazon EC2 instanc

Answer: D

Explanation: In EC2-Classic, you can associate an instance with up to 500 security groups and add up to 100 rules to a security group.
Reference: http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/using-network-security.htmI

NEW QUESTION 14
is a fast, filexible, fully managed push messaging service.

• A. Amazon SNS
• B. Amazon SES
• C. Amazon SQS
• D. Amazon FPS

Answer: A

Explanation: Amazon Simple Notification Service (Amazon SNS) is a fast, filexible, fully managed push messaging service. Amazon SNS makes it simple and cost-effective to push to mobile devices such as iPhone, iPad, Android, Kindle Fire, and internet connected smart devices, as well as pushing to other distributed services.
Reference: http://aws.amazon.com/sns/?nc1=h_I2_as

NEW QUESTION 15
Which of the following statements is true of Amazon EC2 security groups?

• A. You can change the outbound rules for EC2-Classi
• B. Also, you can add and remove rules to a group at any time.
• C. You can modify an existing rule in a grou
• D. However, you can't add and remove rules to a group.
• E. None of the statements are correct.
• F. You can't change the outbound rules for EC2-Classi
• G. However, you can add and remove rules to agroup at any tim

Answer: D

Explanation: When dealing with security groups, bear in mind that you can freely add and remove rules from a group, but you can't change the outbound rules for EC2-Classic. If you're using the Amazon EC2 console, you can modify existing rules, and you can copy the rules from an existing security group to a new security group.
Reference: http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/using-network-security.htmI

NEW QUESTION 16
When automatic failover occurs, Amazon RDS will emit a DB Instance event to inform you that automatic failover occurred. You can use the to ret urn information about events related to your DB Instance

• A. FetchFai|ure
• B. DescriveFai|ure
• C. DescribeEvents
• D. FetchEvents

Answer: C

NEW QUESTION 17
You are very concerned about security on your network because you have multiple programmers testing APIs and SDKs and you have no idea what is happening. You think C|oudTrai| may help but are not sure what it does. Which of the following statements best describes the AWS service CIoudTraiI?

• A. With AWS CIoudTraiI you can get a history of AWS API calls and related events for your account.
• B. With AWS CIoudTraiI you can get a history of IAM users for your account.
• C. With AWS CIoudTraiI you can get a history of S3 Iogfiles for your account.
• D. With AWS CIoudTraiI you can get a history of CIoudFormation JSON scripts used for your accoun

Answer: A

Explanation: With AWS CIoudTraiI, you can get a history of AWS API calls for your account, including API calls made via the AWS IV|anagement Console, the AWS SDKs, the command line tools, and higher-level AWS services. You can also identify which users and accounts called AWS APIs for services that support CIoudTraiI, the source IP address the calls were made from, and when the calls occurred.
You can identify which users and accounts called AWS for services that support CIoudTraiI, the source IP address the calls were made from, and when the calls occurred. You can integrate CIoudTraiI into applications using the API, automate trail creation for your organization, check the status of your trails, and control how administrators turn CIoudTraiI logging on and off.
Reference: http://docs.aws.amazon.com/awscloudtrail/latest/userguide/what_is_cIoud_traiI_top_IeveI.html

NEW QUESTION 18
In the 'DetaiIed' monitoring data available for your Amazon EBS volumes, Provisioned IOPS volumes automatically send _ minute metrics to Amazon CIoudWatch.

• A. 3
• B. 1
• C. 5
• D. 2

Answer: B

NEW QUESTION 19
What happens when you create a topic on Amazon SNS?

• A. The topic is created, and it has the name you specified for it.
• B. An ARN (Amazon Resource Name) is created.
• C. You can create a topic on Amazon SQS, not on Amazon SNS.
• D. This QUESTION doesn't make sens

Answer: B