Free AWS-Solution-Architect-Associate Exam Dumps

Question 106

Can you move a Reserved Instance from one Availability Zone to another?

A. Yes, but each Reserved Instance is associated with a specific Region that cannot be changed.
B. Yes, only in US-West-2.
C. Yes, only in US-East-1.
D. No

Correct Answer:A
Each Reserved Instance is associated with a specific Region, which is fixed for the lifetime of the reservation and cannot be changed. Each reservation can, however, be used in any of the available AZs within the associated Region.
Reference: https://aws.amazon.com/rds/faqs/

Question 107

A company is building a voting system for a popular TV show, viewers win watch the performances then visit the show's website to vote for their favorite performer. It is expected that in a short period of time after the show has finished the site will receive millions of visitors. The visitors will first login to the site using their Amazon.com credentials and then submit their vote. After the voting is completed the page will display the vote totals. The company needs to build the site such that can handle the rapid influx of traffic while maintaining good performance but also wants to keep costs to a minimum. Which of the design patterns below should they use?

A. Use Cloud Front and an Elastic Load balancer in front of an auto-scaled set of web servers, the web servers will first can the Login With Amazon service to authenticate the user then process the users vote and store the result into a multi-AZ Relational Database Service instance.
B. Use CIoudFront and the static website hosting feature of 53 with the Javascript SDK to call the Login With Amazon service to authenticate the user, use IAM Roles to gain permissions to a DynamoDB table to store the users vote.
C. Use Cloud Front and an Elastic Load Balancer in front of an auto-scaled set of web servers, the web servers will first call the Login with Amazon service to authenticate the user, the web servers will process the users vote and store the result into a DynamoDB table using IAM Roles for EC2 instances to gain permissions to the DynamoDB table.
D. Use Cloud Front and an Elastic Load Balancer in front of an auto-scaled set of web servers, the web servers will first call the Logi
E. With Amazon service to authenticate the user, the web sewers win process the users vote and store the result into an SQS queue using IAM Roles for EC2 Instances to gain permissions to the SQS queu
F. A set of application sewers will then retrieve the items from the queue and store the result into a DynamoDB table.

Correct Answer:D

Question 108

A user has created an ELB with Auto Scaling. Which of the below mentioned offerings from ELB helps the
user to stop sending new requests traffic from the load balancer to the EC2 instance when the instance is being deregistered while continuing in-flight requests?

A. ELB sticky session
B. ELB deregistration check
C. ELB auto registration Off
D. ELB connection draining

Correct Answer:D
The Elastic Load Balancer connection draining feature causes the load balancer to stop sending new requests to the back-end instances when the instances are deregistering or become unhealthy, while ensuring that in-flight requests continue to be served.
Reference:
http://docs.aws.amazon.com/EIasticLoadBaIancing/latest/DeveIoperGuide/config-conn-drain.htmI

Question 109

After setting up an EC2 security group with a cluster of 20 EC2 instances, you find an error in the security group settings. You quickly make changes to the security group settings. When will the changes to the settings be effective?

A. The settings will be effective immediately for all the instances in the security group.
B. The settings will be effective only when all the instances are restarted.
C. The settings will be effective for all the instances only after 30 minutes.
D. The settings will be effective only for the new instances added to the security grou

Correct Answer:A
Amazon Redshift applies changes to a cluster security group immediately. So if you have associated the cluster security group with a cluster, inbound cluster access rules in the updated cluster security group apply immediately.
Reference: http://docs.aws.amazon.com/redshift/latest/mgmt/working-with-security-groups.htm|

Question 110

A company has configured and peered two VPCs: VPC-1 and VPC-2. VPC-1 contains only private subnets, and VPC-2 contains only public subnets. The company uses a single AWS Direct Connect connection and private virtual interface to connect their on-premises network with VPC-1. Which two methods increases the fault tolerance of the connection to VPC-1 ? Choose 2 answers

A. Establish a hardware VPN over the internet between VPC-2 and the on-premises network.
B. Establish a hardware VPN overt he internet between VPC-1 and the on-premises network.
C. Establish a new AWS Direct Connect connection and private virtual interface in the same region as VPC-2.
D. Establish a new AWS Direct Connect connection and private virtual interface in a different AWS region than VPC-1.
E. Establish a new AWS Direct Connect connection and private virtual interface in the same AWS region as VPC-1

Correct Answer:BC