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AWS-SysOps試題 - AWS-SysOps最新試題

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最新的 SysOps Administrator AWS-SysOps 免費考試真題 (Q300-Q305):

問題 #300
A new network is needed to run secure Amazon EC2 instance. This network cannot have direct access to the internet and must be separate from existing production instances. The instances will be manager using SSH from a Developer in a home office with a fixed IP address but without a VPN- capable router.
How should a SysOps Administrator create this network and manage these servers?

  • A. Create a new subnet in an existing VPC. Configure access rules to allow SSH access from the Developer's IP address. Use AWS Shield to select the instances that should not have access to the internet.
  • B. Associated an internet gateway with a new VPC with two subnet. Set up a bastion instance with an Elastic IP address Configure security groups and routing to allow SSH access to the bastion instance from the Developer's Ip address and SSH access from the bastion hot to the private subnet.
  • C. Setup a new VPC with one private subnet. When deployment the instance use the User data to install and configure a third-party management tool for the instances Connect to the instance using the third-party tool.
  • D. Configure a new VPC with one public subnet no internet gateway. Configure the security for the instance to allow SSH from the Developer's IP address.

答案：B
問題 #301
What happens if the instance launched by Auto Scaling becomes unhealthy?

  • A. Auto Scaling will notify the user and the user can update the instance.
  • B. The instance cannot become unhealthy.
  • C. Auto Scaling will terminate the instance and launch a new healthy instance.
  • D. Auto Scaling will terminate the instance but not launch a new instance.

答案：C 解題說明：
Auto Scaling keeps checking the health of the EC2 instances launched by it at regular intervals. If an instance
is observed as unhealthy, Auto Scaling will automatically terminate the instance and launch a new healthy
instance. Thus, it maintains the number of instances as per the Auto Scaling group configuration.
Reference:
http://docs.aws.amazon.com/AutoScaling/latest/DeveloperGuide/AutoScalingLifecycleHooks.html
問題 #302
The Security team has decided that there will be no public internet access to HTTP (TCP port 80) because it is moving to HTTPS for all incoming web traffic. The team has asked a SysOps Administrator to provide a report on any security groups that are not compliant.
What should the SysOps Administrator do to provide near real-time compliance reporting?

  • A. Use Amazon Inspector to evaluate the security groups during scans, and send the completed reports to the Security team.
  • B. Schedule an AWS Lambda function to run hourly to scan and evaluate all security groups, and send a report to the Security team.
  • C. Enable AWS Trusted Advisor and show the Security team that the Security Groups unrestricted access check will alarm.
  • D. Use AWS Config to enable the restricted-common-ports rule, and add port 80 to the parameters.

答案：A
問題 #303
An organization has configured a VPC with an Internet Gateway (IGW). pairs of public and private subnets (each with one subnet per Availability Zone), and an Elastic Load Balancer (ELB) configured to use the public subnets. The application's web tier leverages the ELB. Auto Scaling and a multi-AZ RDS database instance The organization would like to eliminate any potential single points of failure in this design.
What step should you take to achieve this organization's objective?

  • A. Create and attach a second IGW to provide redundant internet connectivity.
  • B. Create and configure a second Elastic Load Balancer to provide a redundant load balancer.
  • C. Create a second multi-AZ RDS instance in another Availability Zone and configure replication to provide a redundant database.
  • D. Nothing, there are no single points of failure in this architecture.

答案：D
問題 #304
George has launched three EC2 instances inside the US-East-1a zone with his AWS account. Ray has launched two EC2 instances in the US-East-1a zone with his AWS account. Which of the below mentioned statements will help George and Ray understand the availability zone (AZ. concept better?

  • A. All the instances of George and Ray can communicate over a private IP without any cost
  • B. All the instances of George and Ray can communicate over a private IP with a minimal cost
  • C. The instances of George and Ray will be running in the same data center
  • D. The US-East-1a region of George and Ray can be different availability zones

答案：D 解題說明：
Each AWS region has multiple, isolated locations known as Availability Zones. To ensure that the AWS resources are distributed across the Availability Zones for a region, AWS independently maps the Availability Zones to identifiers for each account. In this case the Availability Zone US-East-1a where George's EC2 instances are running might not be the same location as the US-East-1a zone of Ray's EC2 instances. There is no way for the user to coordinate the Availability Zones between accounts.
問題 #305
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