1. Which of the following are characteristics of Amazon VPC subnets? (Choose 2 answers)(Select 2answers)

A) The case in a private subnet can communicate with the Internet as if they have an elastic IP.
B) A CIDR block mask of / 25 has the smallest range supported
C) By default, all subnets can forward them, whether private or public
D) Each subnet maps to a single Availability Zone
E) V Each subnet spans at least two Availability Zones to provide a high availability environment


2. A user has recently started using EC2. The user has launched an EC2 instance in the default subnet VPC-EC2 Which of the options mentioned below is not attached or available to the EC2 instance during its launch?

A) Private IP
B) Public IP Address
C) None
D) elastic IP
E) Internet gateway


3. A client has a Web application that uses sessions cookies based on users logged track is deployed on AWS using ELB and updated automatically scale the client observes that when the load increases. Auto Scaling launch new instances, but the load on the X-axis instances does not decrease, causing all existing users to have a lackluster experience. What two answer choices independently describe a behavior that could be the cause of slow user experience? (Choose 2 answers)(Select 2answers)

A) ELBA ¬ YS behavior when sticky sessions are enabled causes ELB to send requests in the same session on the same instance of back-end
B) The web application uses long Poling such as catch comet or web. thus keeping an open connection to a Web server for a long time.
C) A faulty browser does not respect the TTL ELB DNS name.
D) The web application uses long Poling such as catch comet or web. thus keeping an open connection to a Web server for a long time tor
E) ELB normal behavior even sends user requests to the same instance of back-end


4. Your whole life AWS infrastructure within an Amazon VPC You have a monitoring application running on Amazon infrastructure instance in the availability zone (AZ) A of the region, and another instance of 'running application in AZ B. monitoring application needs to use ICMP ping to confirm the proceedings of reach capacity network hosting the application. Can you configure security groups for these instances to only allow ICMP ping to switch from the application instance's supervisory body and nothing else and à ¬ Ÿ If yes hoe. No two cases in two different?

A) Yes, the group of security monitoring body must allow inbound ICMP and needs of the security group of the application instance to allow inbound ICMP
B) None
C) Yes, both the group the instance of security monitoring and application needs security force authorities to allow both incoming and outgoing ping ICMP packets from ICMP is not a protocol oriented connection-
D) Z can not talk directly to each other via ICMP ping this protocol is not allowed across subnet boundaries (repost)
E) Yes Both the Monitoring and the application instance must be part of the same security group, and that the needs of the security group to allow inbound ICMP


5. A user configured an Auto Scaling group ELB. The user has enabled detailed monitoring on Watch Cloud Elastic Load Balancing. Which of the below mentioned will help the user to better understand this feature?

A) ELB is not supported by Cloud Watching
B) It is impossible to set up detailed monitoring for ELB
C) None
D) ELB sends every minute of data and charge the additional user
E) ELB sends Cloud Data Watch all the minutes and does not charge the user