Certification : Get AWS Certified Solutions Architect in 1 Day (2018 Update) Set 10

Which of the following will incur a cost when working with AWS resources. Choose 2 answers from the options given below


Options are :

  • A running EC2 Instance (Correct)
  • A stopped EC2 Instance
  • EBS Volumes attached to stopped EC2 Instances (Correct)
  • Using an Amazon VPC

Answer : A running EC2 Instance EBS Volumes attached to stopped EC2 Instances

You are hosting a web server on an EC2 Instance. The number of requests are now consuming a large part of the CPU, and the response performance for the application is getting degraded. Which of the following would help alleviate the problem and provide a better response time.


Options are :

  • Place the EC2 Instance behind a classic load balancer
  • Place the EC2 Instance behind an Application load balancer
  • Place the EC2 Instance in an Autoscaling Group with the max size as 1.
  • Place a Cloudfront distribution in front of the EC2 Instance (Correct)

Answer : Place a Cloudfront distribution in front of the EC2 Instance

Which of the following can be used as an origin server in CloudFront? Choose 3 answers from the options given below.


Options are :

  • A webserver running on EC2 (Correct)
  • A webserver running in your own datacenter (Correct)
  • A RDS instance
  • An Amazon S3 bucket (Correct)

Answer : A webserver running on EC2 A webserver running in your own datacenter An Amazon S3 bucket

A company needs to extend their storage infrastructure to the AWS Cloud. The storage needs to be available as iSCSI devices for your on-premises application servers. Which of the following would be able to fulfil this requirement


Options are :

  • Create a Glacier vault. Use a Glacier connector and mount it as an iSCSI device
  • Create an S3 bucket. Use an S3 connector and mount it as an iSCSI device
  • Use the AWS Storage gateway cached volumes service (Correct)
  • Use the EFS file service and mount the different file systems to the on premise servers

Answer : Use the AWS Storage gateway cached volumes service

What are three attributes of DynamoDB? Choose the 3 correct answers from the options below


Options are :

  • Used for data warehousing
  • A NoSQL database platform (Correct)
  • Uses key-value store (Correct)
  • Fully-managed (Correct)

Answer : A NoSQL database platform Uses key-value store Fully-managed

In Amazon CloudWatch what is the retention period for a one minute datapoint. Choose the right answer from the options given below


Options are :

  • 10 days
  • 15 days (Correct)
  • 1 month
  • 1 year

Answer : 15 days

Which of the following best describes what "bastion hosts" are? Choose the correct option.


Options are :

  • Bastion hosts are instances that sit within a private subnet and are typically accessed using SSH or RDP. Once remote connectivity has been established with the bastion host, it then acts as a ‘jump’ server, allowing you to use SSH or RDP to log into other instances (within public subnets) deeper within your network.
  • Bastion hosts are instances that sit within your public subnet and are typically accessed using SSH or RDP. Once remote connectivity has been established with the bastion host, it then acts as a ‘jump’ server, allowing you to use HTTPS to log into other instances (within private subnets) deeper within your network.
  • Bastion hosts are instances that sit within your public subnet and are typically accessed using SSH or RDP. Once remote connectivity has been established with a bastion host, it then acts as a ‘jump’ server, allowing you to use SSH or RDP to log into other instances (within private subnets) deeper within your network. (Correct)
  • Bastion hosts are instances that sit within your private subnet and are typically accessed using SSH or RDP. Once remote connectivity has been established with the bastion host, it then acts as a 'jump' server, allowing you to use HTTPS to log into other instances (within public subnets) deeper within your network.

Answer : Bastion hosts are instances that sit within your public subnet and are typically accessed using SSH or RDP. Once remote connectivity has been established with a bastion host, it then acts as a ‘jump’ server, allowing you to use SSH or RDP to log into other instances (within private subnets) deeper within your network.

Your company manages an application that currently allows users to upload images to an S3 bucket. These images are then picked up by EC2 Instances for processing and then placed in another S3 bucket. You need an area where the metadata for these images can be stored. Which of the following would be the ideal data store for this.


Options are :

  • AWS Redshift
  • AWS Glacier
  • AWS DynamoDB (Correct)
  • AWS SQS

Answer : AWS DynamoDB

You have a business-critical two tier web app currently deployed in 2 availability zones in a single region, using Elastic Load Balancing (ELB) and Auto-Scaling. The app depends on synchronous replication at the database layer. The application needs to remain fully available even if one application AZ goes off-line and AutoScaling cannot launch new instances in the remaining AZ. How can the current architecture be enhanced to ensure this requirement?


Options are :

  • Deploy in 2 regions using Weighted Round Robin with AutoScaling minimums set of 50% peak load per Region.
  • Deploy in 3 AZ with Autoscaling minimum set to handle 33 percent peak load per zone.
  • Deploy in 3 AZ with Autoscaling minimum set to handle 50 percent peak load per zone. (Correct)
  • Deploy in 2 regions using Weighted Round Robin with AutoScaling minimums set of 100% peak load per Region.

Answer : Deploy in 3 AZ with Autoscaling minimum set to handle 50 percent peak load per zone.

In what events would cause Amazon RDS to initiate a failover to the standby replica? Select 3 options.


Options are :

  • Loss of availability in primary Availability Zone (Correct)
  • Loss of network connectivity to primary (Correct)
  • Storage failure on secondary
  • Storage failure on primary (Correct)

Answer : Loss of availability in primary Availability Zone Loss of network connectivity to primary Storage failure on primary

A company has a requirement for archival of 6 TB of data. There is an agreement with the stakeholders for an 8hr agreed retrieval time. Which of the following can be used as the MOST cost effective storage option.


Options are :

  • AWS S3 Standard
  • AWS S3 Infrequent Access
  • AWS Glacier (Correct)
  • AWS EBS Volumes

Answer : AWS Glacier

You are building a system to distribute confidential training videos to employees. Using CloudFront, what method would be used to serve content that is stored in S3, but not publicly accessible from S3 directly? Choose the correct answer from the options given below


Options are :

  • Create an Origin Access Identify (OAI) for CloudFront and grant access to the objects in your S3 bucket to that OAI (Correct)
  • Create an Identity and Access Management (IAM) user for CloudFront and grant access to the objects in your S3 bucket to that IAM user.
  • Create a S3 bucket policy that lists the CloudFront distribution ID as the principal and the target bucket as the Amazon Resource Name (ARN)
  • Add the CloudFront account security group

Answer : Create an Origin Access Identify (OAI) for CloudFront and grant access to the objects in your S3 bucket to that OAI

A company currently hosts a Redshift cluster in AWS. Due to security reasons it needs to be ensured that all traffic from and to the Redshift cluster does not go through the Internet. Which of the following features can be used to fulfil this requirement in an efficient manner


Options are :

  • Enable Amazon Redshift Enhanced VPC routing (Correct)
  • Create a NAT gateway to route the traffic
  • Create a NAT instance to route the traffic
  • Create a VPN connection to ensure traffic does not flow through the internet

Answer : Enable Amazon Redshift Enhanced VPC routing

Currently you have a VPC with EC2 Security Group and several running EC2 instances. You change the Security Group rules to allow inbound traffic on a new port and protocol, and launch several new instances in the same Security Group. When will the Security Group changes be applied to the EC2 instances? Please choose the correct answer.


Options are :

  • Immediately to all instances in the security group. (Correct)
  • Immediately to the new instances only.
  • Immediately to the new instances, but old instances must be stopped and restarted before the new rules apply.
  • To all instances, but it may take several minutes for old instances to see the changes.

Answer : Immediately to all instances in the security group.

Your company currently has data hosted in an Amazon Aurora MySQL DB. Since the data is critical there is a need to ensure that data can be made available in another region in case of a disaster. How can this be achieved?


Options are :

  • Make a copy of the underlying EBS volumes in the Amazon cluster in another region
  • Enable Multi-AZ for the Aurora database
  • Create a Read replica for the database (Correct)
  • Create an EBS snapshot of the underlying EBS volumes in the Amazon cluster and then copy them to another region

Answer : Create a Read replica for the database

What is the basic requirement to login into an EC2 instance on the AWS cloud?


Options are :

  • Volumes
  • AMIs
  • Key Pairs (Correct)
  • S3

Answer : Key Pairs

Amazon’s Redshift uses which block size for its columnar storage


Options are :

  • 2KB
  • 8KB
  • 16KB
  • 32KB
  • 1024KB (Correct)

Answer : 1024KB

A company has a set of EC2 Instances hosted on the AWS Cloud. These instances form a web server farm which services a web application that is accessed by users on the internet. Which of the following would help make this architecture more fault tolerant. Choose 2 answers from the options given below


Options are :

  • Ensure the Instances are placed in separate Availability Zones (Correct)
  • Ensure the Instances are placed in separate Regions
  • Use an AWS Load Balancer to distribute the traffic (Correct)
  • Use Autoscaling to distribute the traffic

Answer : Ensure the Instances are placed in separate Availability Zones Use an AWS Load Balancer to distribute the traffic

You have launched two web servers in private subnet and one ELB (internet facing) in public subnet in your VPC. Yet, you are still unable to access your web application through the internet, which of the following would likely the cause of this? Choose two correct options


Options are :

  • Web server must be launched inside public subnet and not private subnet.
  • Route table for public subnet is not configured to route to VPC internet gateway. (Correct)
  • No elastic IP is assigned to web servers.
  • No internet gateway is attached to the VPC. (Correct)

Answer : Route table for public subnet is not configured to route to VPC internet gateway. No internet gateway is attached to the VPC.

Which procedure for backing up a relational database on EC2 that is using a set of RAlDed EBS volumes for storage minimizes the time during which the database cannot be written to and results in a consistent backup?


Options are :

  • 1. Detach EBS volumes, 2. Start EBS snapshot of volumes, 3. Re-attach EBS volumes
  • 1. Stop the EC2 Instance. 2. Snapshot the EBS volumes
  • 1. Suspend disk I/O, 2. Create an image of the EC2 Instance, 3. Resume disk I/O
  • 1. Suspend disk I/O, 2. Start EBS snapshot of volumes, 3. Resume disk I/O
  • 1. Suspend disk I/O, 2. Start EBS snapshot of volumes, 3. Wait for snapshots to complete, 4. Resume disk (Correct)

Answer : 1. Suspend disk I/O, 2. Start EBS snapshot of volumes, 3. Wait for snapshots to complete, 4. Resume disk

A data processing application in AWS must pull data from an Internet service. A Solutions Architect must design a highly available solution to access data without placing bandwidth constraints on the application traffic. Which solution meets these requirements?


Options are :

  • Launch a NAT gateway and add routes for 0.0.0.0/0
  • Attach a VPC endpoint and add routes for 0.0.0.0/0
  • Attach an Internet gateway and add routes for 0.0.0.0/0 (Correct)
  • Deploy NAT instances in a public subnet and add routes for 0.0.0.0/0

Answer : Attach an Internet gateway and add routes for 0.0.0.0/0

Which of the following statement is false with regards to the AWS Simple Queue Service?


Options are :

  • Standard queues provide at-least-once delivery, which means that each message is delivered at least once
  • Both FIFO queues and Standard queues preserve the order of messages (Correct)
  • Amazon SQS can help you build a distributed application with decoupled components
  • FIFO queues provide exactly-once processing

Answer : Both FIFO queues and Standard queues preserve the order of messages

AWS provides a storage option known as Amazon Glacier. What is this aws service designed for. Please specify 2 correct options.


Options are :

  • Cached session data
  • Infrequently accessed data (Correct)
  • Data archives (Correct)
  • Active database storage

Answer : Infrequently accessed data Data archives

An application is hosted on EC2 Instances for an application. There is a promotion campaign due to start in 2 weeks for the application. There is a mandate from management to ensure that no performance problems are encountered due to traffic growth during this time. Which of the following must be done to the Autoscaling Group to ensure this requirement can be fulfilled.


Options are :

  • Configure step scaling for the Autoscaling Group
  • Configure Dynamic scaling for the Autoscaling Group
  • Configure Scheduled scaling for the Autoscaling Group (Correct)
  • Configure static scaling for the Autoscaling Group

Answer : Configure Scheduled scaling for the Autoscaling Group

There is a requirement for a data store in AWS. Below are the requirements for the data store a) Ability to perform SQL queries b) Integration with existing business intelligence tools c) High concurrency workload that generally involves reading and writing all of the columns for a small number of records at a time Which of the following would be the ideal data store that can be used for such requirements. Choose 2 answers from the options below


Options are :

  • AWS Redshift
  • AWS RDS (Correct)
  • AWS Aurora (Correct)
  • AWS S3

Answer : AWS RDS AWS Aurora

A company is planning on building an application using the services available on AWS. The application will be stateless in nature. Which of the following would be an ideal compute service which can be used. The service should have the ability to scale accordingly


Options are :

  • AWS DynamoDB
  • AWS Lambda (Correct)
  • AWS S3
  • AWS SQS

Answer : AWS Lambda

A customer is leveraging Amazon Simple Storage Service in eu-west-1 to store static content for a web-based property. The customer is storing objects using the Standard Storage class. Where are the customers objects replicated?


Options are :

  • A single facility in eu-west-1 and a single facility in eu-central-1
  • A single facility in eu-west-1 and a single facility in us-east-1
  • Multiple facilities in eu-west-1 (Correct)
  • A single facility in eu-west-1

Answer : Multiple facilities in eu-west-1

Which of the following requires a custom CloudWatch metric to monitor?


Options are :

  • Memory Utilization of an EC2 instance (Correct)
  • CPU Utilization of an EC2 instance
  • Disk Reads activity of an EC2 instance
  • Networks packets out of an EC2 instance

Answer : Memory Utilization of an EC2 instance

A company has an application hosted in AWS. This application consists of EC2 Instances which sits behind an ELB with EC2 Instances. The following are requirements from an administrative perspective a) Ensure notifications are sent when the read requests goes beyond 1000 requests per minute b) Ensure notifications are sent when the latency goes beyond 10 seconds c) Also any API activity which calls for sensitive data should monitored Which of the following can be used to achieve this requirement. Choose 2 answers from the options given below


Options are :

  • Use Cloudtrail to monitor the API Activity (Correct)
  • Use Cloudwatch logs to monitor the API Activity
  • Use Cloudwatch metrics for whatever metrics need to be monitored (Correct)
  • Use a custom log software to monitor the latency and read requests to the ELB

Answer : Use Cloudtrail to monitor the API Activity Use Cloudwatch metrics for whatever metrics need to be monitored

An application has been migrated from on-premise to AWS in your company and you will not be responsible for the ongoing maintenance of packages. Which of the below services allows for access to the underlying infrastructure. Choose the 2 correct options


Options are :

  • Elastic Beanstalk (Correct)
  • EC2 (Correct)
  • DynamoDB
  • RDS

Answer : Elastic Beanstalk EC2