Automatic Scaling & Monitoring

To implement dynamic scaling in Amazon EC2 set up, you need (Choose THREE):

A. Amazon EC2 Auto Scaling.
B. AWS Config.
C. CloudWatch.
D. Elastic Load Balancing.

Which of the following statement describes Elastic Load Balancing?

A. It distributes traffic to instances with high throughput only.
B. Elastic Load Balancing automatically distributes incoming application traffic across multiple targets equally.
C. Elastic Load Balancing automatically distributes traffic across VPCs only.
D. Elastic Load Balancing automatically distributes traffic unequally to other load balancers and does not do health checks.

Which of the following statement describes Elastic Load Balancing?

A. Elastic Load Balancing automatically distributes incoming application traffic across multiple targets.
B. It can handle the varying load of your application traffic in a single Availability Zone or across multiple Availability Zones.
C. Application Load Balancers route and load balance traffic at the application layer (layer 7) using HTTP/HTTPS protocols.
D. All of the Above.

Which of the following are types of AWS Load Balancers (Choose TWO)?

A. API Gateway Load Balancers.
B. Network Load Balancers.
C. Classical Load Balancers.
D. Gateway Load Balancers.

Network Load Balancer:

A. Routes traffic to application layer using HTTP/HTTPS.
B. Routes traffic to layer 7.
C. Routes and load balances traffic at the transport layer-layer 4 (TCP/UDP), based on address information extracted from the TCP packet header, not from packet content.
D. Routes traffic to unhealthy instances.

A Systems Administrator is looking for high performance ELB that will route traffic to the IP addresses of EC2 instances. Which load balancer can do this?

A. Application Load Balancer
B. Network Load Balancer
C. Gateway Load Balancer
D. Classic Load Balancer

A Systems Administrator is looking for a load balancer that can route traffic to layers 7 and 4 using HTTP/HTTPS and TCP/IP protocols. Which load balancer can do this?

A. Application Load Balancer
B. Network Load Balancer
C. Gateway Load Balancer
D. Classic Load Balancer

A Systems Administrator is looking for a load balancer that distributes traffic to a fleet of appliance instances and provides scale, availability and simplicity for third-party virtual appliances that support GENEVE protocol. Which load balancer can do this?

A. Application Load Balancer
B. Network Load Balancer
C. Gateway Load Balancer
D. Classic Load Balancer

Which of the following is a use case for using ELB (Choose TWO)?

A. To distribute traffic to both healthy and unhealthy instances.
B. To achieve high availability and better fault tolerance for your applications.
C. To scale only when the threshold is 100%.
D. To automatically scale your applications.

You can monitor the following load balancer features (Choose TWO):

A. Amazon CloudWatch Metrics.
B. VPC logs.
C. Access logs,
D. Kinesis logs.

Which statement describes Amazon CloudWatch (Choose TWO)?

A. Amazon CloudWatch is a monitoring service for AWS cloud resources and the applications you run on AWS.
B. You can use Amazon CloudWatch to collect and track metrics.
C. Basic monitoring sends alerts every 1 minute.
D. Basic monitoring gives you memory (RAM) information.

Which statement describes Amazon CloudWatch (Choose TWO)?

A. Amazon CloudWatch monitors your API calls.
B. Amazon CloudWatch monitors your accounts and VPC flow logs.
C. You can use Amazon CloudWatch to gain system-wide visibility into resource utilization (e.g. disk I/O operations).
D. Amazon CloudWatch Logs lets you monitor and troubleshoot your systems and applications using your existing system, application and custom log files.

With the new Unified CloudWatch Agent, you can (Choose TWO):

A. Get monitoring alerts every 1 minute without enabling detailed monitoring.
B. Get monitoring alerts every 1 minute when you enabling detailed monitoring.
C. You can configure custom monitoring when you enable detailed monitoring.
D. You can configure custom monitoring without using detailed monitoring.

Amazon CloudWatch Insights enables (Choose TWO):

A. You to delete S3 buckets.
B. Developers, operators and systems engineers to understand, improve and debug their applications by allowing them to search and visualize their logs.
C. You to write queries with aggregations, filters and regular expressions to derive actionable insights from your logs using Logs Insights.
D. You to use Config.

Amazon CloudWatch Contributor Insights:

A. Helps you to delete S3 buckets.
B. Helps developers, operators and systems engineers to understand, improve and debug their applications by allowing them to search and visualize their logs.
C. Helps you to write queries with aggregations, filters and regular expressions to derive actionable insights from your logs using Logs Insights.
D. Amazon CloudWatch Contributor Insights analyses time-series data to provide a view of the top contributors influencing system performance.

The following statement describes Amazon CloudWatch Metric:

A. A metric watches a single metric over a specified time period, and performs one or more specified actions (e.g. sends notification to an Amazon SNS topic or an Auto Scaling policy or added to a dashboard), based on the value of the metric relative to a threshold over time.
B. Amazon CloudWatch metric delivers a near real-time stream of system events that describe changes in AWS resources using simple rules.
C. A metric represents a time-ordered set of data points that are published to CloudWatch.
D. Amazon CloudWatch metric lets you monitor and troubleshoot your systems and applications using your existing system, application and custom log files.

Amazon CloudWatch Basic Monitoring helps you (Choose TWO):

A. To monitor RAM (memory) utilization.
B. To monitor performance (CPU utilization).
C. To monitor disk space capacity.
D. To monitor disk I/O operations.

Amazon CloudWatch Detailed Monitoring helps you (Choose THREE):

A. To monitor RAM (memory) utilization.
B. To get alerts in 5 minutes.
C. To monitor disk space capacity.
D. To get alerts in 1 minute.

The following statement describes Amazon EC2 Auto Scaling (Choose TWO):

A. Amazon EC2 Auto Scaling is a fully managed service designed to launch or terminate Amazon EC2 instances automatically to help ensure you have the correct number of Amazon EC2 instances available to handle the load for your application.
B. Amazon EC2 Auto Scaling is used to scaled all services including S3.
C. Amazon EC2 Auto Scaling helps you maintain application availability through fleet management for EC2 instances, which detects and replaces unhealthy instances.
D. Amazon EC2 Auto Scaling is only available in eu-west-2.

The following statement describes AWS Auto Scaling (Choose TWO):

A. AWS EC2 Auto Scaling is only available in eu-east-1.
B. AWS Auto Scaling is used to scaled only EC2 instances.
C. AWS Auto Scaling monitors your applications and automatically adjusts capacity to maintain steady, predictable performance at the lowest possible cost.
D. AWS Auto Scaling makes it easy to setup application scaling for multiple resources across multiple services in minutes.

The following statements are true for Amazon EC2 Auto Scaling and AWS Auto Scaling (Choose TWO):

A. Use AWS Auto Scaling when you ant to scale only Ec2 instances.
B. Use AWS Auto Scaling to manage scaling for multiple resources across multiple services.
interested in maintaining the health of your EC2 fleet.
D. Use Amazon EC2 Auto Scaling if you want to scale multiple AWS services and resources.

What is Auto Scaling Group?

A. An Auto Scaling Group is a collection of load balancers only.
B. An Auto Scaling group is a collection of EC2 instances that are treated as a logical grouping for the purposes of automatic scaling and management.
C. An Auto Scaling Group is a collection of VPCs.
D. An Auto Scaling Group is a collection of security groups.

Scale out and scale in mean (Choose TWO)?

A. Scaling Out is the act of adding one or more EC2 instances or resources to accommodate more workload.
B. Scale Out is the act of terminating or removing one or more EC2 instances or resources because they are not needed to save cost.
C. Scaling In is the act of terminating or removing one or more EC2 instances or resources because they are not needed to save cost.
D. Scale In is the act of adding one or more EC2 instances or resources to accommodate more workload

A Systems Administrator wants launch EC2 instances using auto scaling. She also wants to be able to modify the settings of the EC2 instances anytime without creating new configuration files. What AWS service should she use?

A. Use Launch Configurations to be able to make modifications.
B. Use CloudFormer to be able to male modifications.
C. Use Launch Templates to be able to make modifications.
D. Use CloudFormation to be able to make modifications.

When you create a launch configuration, you need to specify the following information:

A. Amazon Machine Image (AMI) ID
B. Instance type
C. A key pair and security group
D. EBS volume (Block device mapping)
E. All of the Above.

A Systems Administrator has created a launch configuration. He later discovered that he needs to modify the configurations with new AMIs in the Auto Scaling group. How can he achieve this?

A. Just modify the launch configuration and update the Auto Scaling group with the new AMIs.
B. To change the launch configuration for an Auto Scaling group, you must create a new launch configuration and then update your Auto Scaling group with the new launch configuration.
C. If you make mistake in launch configuration, you cannot delete it and cannot create a new one.
D. Change the parameters in the launch configuration and update the Auto Scaling group.

Automatic Scaling & Monitoring

Automatic Scaling & Monitoring

Gideon September 18, 2021

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