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Amazon AWS-SysOps Braindumps 2021




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Free demo questions for Amazon AWS-SysOps Exam Dumps Below:

NEW QUESTION 1
A user has launched 5 instances in EC2-CLASSIC and attached 5 elastic IPs to the five different instances in the US East region. The user is creating a VPC in the same region. The user wants to assign an elastic IP to the VPC instance. How can the user achieve this?

  • A. The user has to request AWS to increase the number of elastic IPs associated with the account
  • B. AWS allows 10 EC2 Classic IPs per region; so it will allow to allocate new Elastic IPs to the same region
  • C. The AWS will not allow to create a new elastic IP in VPC; it will throw an error
  • D. The user can allocate a new IP address in VPC as it has a different limit than EC2

Answer: D

Explanation: Section: (none)
A Virtual Private Cloud (VPC. is a virtual network dedicated to the user’s AWS account. A user can create a subnet with VPC and launch instances inside that subnet. A user can have 5 IP addresses per region with EC2 Classic. The user can have 5 separate IPs with VPC in the same region as it has a separate limit than EC2 Classic.

NEW QUESTION 2
A user has configured ELB with a TCP listener at ELB as well as on the back-end instances. The user wants to enable a proxy protocol to capture the source and destination IP information in the header. Which of the below mentioned statements helps the user understand a proxy protocol with TCP configuration?

  • A. If the end user is requesting behind a proxy server then the user should not enable a proxy protocol on ELB
  • B. ELB does not support a proxy protocol when it is listening on both the load balancer and the back-end instances
  • C. Whether the end user is requesting from a proxy server or directly, it does not make a difference for the proxy protocol
  • D. If the end user is requesting behind the proxy then the user should add the “isproxy” flag to the ELB Configuration

Answer: A

Explanation:
When the user has configured Transmission Control Protocol (TCP. or Secure Sockets Layer (SSL. for both front-end and back-end connections of the Elastic Load Balancer, the load balancer forwards the request to the back-end instances without modifying the request headers unless the proxy header is enabled. If the end user is requesting from a Proxy Protocol enabled proxy server, then the ELB admin should not enable the Proxy Protocol on the load balancer. If the Proxy Protocol is enabled on both the proxy server and the load balancer, the load balancer will add another header to the request which already has a header from the proxy server. This duplication may result in errors.

NEW QUESTION 3
When attached to an Amazon VPC which two components provide connectivity with external networks? Choose 2 answers

  • A. Elastic IPS (EIP)
  • B. NAT Gateway (NAT)
  • C. Internet Gateway {IGW)
  • D. Virtual Private Gateway (VGW)

Answer: CD

NEW QUESTION 4
A user is publishing custom metrics to CloudWatch. Which of the below mentioned statements will help the user understand the functionality better?

  • A. The user can use the CloudWatch Import tool
  • B. The user should be able to see the data in the console after around 15 minutes
  • C. If the user is uploading the custom data, the user must supply the namespace, timezone, and metric name as part of the command
  • D. The user can view as well as upload data using the console, CLI and APIs

Answer: B

Explanation:
AWS CloudWatch supports the custom metrics. The user can always capture the custom data and upload the data to CloudWatch using CLI or APIs. The user has to always include the namespace as a part of the request. However, the other parameters are optional. If the user has uploaded data using CLI, he can view it as a graph inside the console. The data will take around 2 minutes to upload but can be viewed only after around 15 minutes.

NEW QUESTION 5
A user has created a Cloudformation stack. The stack creates AWS services, such as EC2 instances, ELB, AutoScaling, and RDS. While creating the stack it created EC2, ELB and AutoScaling but failed to create RDS. What will Cloudformation do in this scenario?

  • A. Cloudformation can never throw an error after launching a few services since it verifies all the steps before launching
  • B. It will warn the user about the error and ask the user to manually create RDS
  • C. Rollback all the changes and terminate all the created services
  • D. It will wait for the user’s input about the error and correct the mistake after the input

Answer: C

Explanation:
AWS Cloudformation is an application management tool which provides application modelling, deployment, configuration, management and related activities. The AWS Cloudformation stack is a collection of AWS resources which are created and managed as a single unit when AWS CloudFormation instantiates a template. If any of the services fails Amazon AWS-SysOps : Practice Test
to launch, Cloudformation will rollback all the changes and terminate or delete all the created services.

NEW QUESTION 6
A user has setup an RDS DB with Oracle. The user wants to get notifications when someone modifies the
security group of that DB. How can the user configure that?

  • A. It is not possible to get the notifications on a change in the security group
  • B. Configure SNS to monitor security group changes
  • C. Configure event notification on the DB security group
  • D. Configure the CloudWatch alarm on the DB for a change in the security group

Answer: C

Explanation:
Amazon RDS uses the Amazon Simple Notification Service to provide a notification when an Amazon RDS event occurs. These events can be configured for source categories, such as DB instance, DB security group, DB snapshot and DB parameter group. If the user is subscribed to a Configuration Change category for a DB security group, he will be notified when the DB security group is changed.

NEW QUESTION 7
A user has created a VPC with two subnets: one public and one private. The user is planning to run the patch update for the instances in the private subnet. How can the instances in the private subnet connect to theinternet?

  • A. Use the internet gateway with a private IP
  • B. Allow outbound traffic in the security group for port 80 to allow internet updates
  • C. The private subnet can never connect to the internet
  • D. Use NAT with an elastic IP

Answer: D

Explanation:
A Virtual Private Cloud (VPC. is a virtual network dedicated to the user’s AWS account. A user can create a subnet with VPC and launch instances inside that subnet. If the user has created two subnets (one private and one public., he would need a Network Address Translation (NAT. instance with the elastic IP address. This enables the instances in the private subnet to send requests to the internet (for example, to perform software updates..

NEW QUESTION 8
A user is using a small MySQL RDS DB. The user is experiencing high latency due to the Multi AZ feature.Which of the below mentioned options may not help the user in this situation?

  • A. Schedule the automated back up in non-working hours
  • B. Use a large or higher size instance
  • C. Use PIOPS
  • D. Take a snapshot from standby Replica

Answer: D

Explanation:
An RDS DB instance which has enabled Multi AZ deployments may experience increased write and commit latency compared to a Single AZ deployment, due to synchronous data replication. The user may also face changes in latency if deployment fails over to the standby replica. For production workloads, AWS recommends the user to use provisioned IOPS and DB instance classes (m1.large and larger. as they are optimized for provisioned IOPS to give a fast, and consistent performance. With Multi AZ feature, the user can not have option to take snapshot from replica.

NEW QUESTION 9
An organization's security policy requires multiple copies of all critical data to be replicated across at least a primary and backup data center. The organization has decided to store some critical data on Amazon S3.
Which option should you implement to ensure this requirement is met?

  • A. Use the S3 copy API to replicate data between two S3 buckets in different regions
  • B. You do not need to implement anything since S3 data is automatically replicated between regions
  • C. Use the S3 copy API to replicate data between two S3 buckets in different facilities within an AWS Region
  • D. You do not need to implement anything since S3 data is automatically replicated between multiple facilities within an AWS Region

Answer: D

NEW QUESTION 10
A user has scheduled the maintenance window of an RDS DB on Monday at 3 AM. Which of the below mentioned events may force to take the DB instance offline during the maintenance window?

  • A. Enabling Read Replica
  • B. Making the DB Multi AZ
  • C. DB password change
  • D. Security patching

Answer: D

Explanation:
Amazon RDS performs maintenance on the DB instance during a user-definable maintenance window. The system may be offline or experience lower performance during that window. The only maintenance events that may require RDS to make the DB instance offline are: Scaling compute operations Software patching. Required software patching is automatically scheduled only for patches that are security and durability related. Such patching occurs infrequently (typically once every few months. and seldom requires more than a fraction of the maintenance window.

NEW QUESTION 11
A user has configured ELB with SSL using a security policy for secure negotiation between the client and load balancer. The ELB security policy supports various ciphers. Which of the below mentioned options helps identify the matching cipher at the client side to the ELB cipher list when client is requesting ELB DNS over SSL?

  • A. Cipher Protocol
  • B. Client Configuration Preference
  • C. Server Order Preference
  • D. Load Balancer Preference

Answer: C

Explanation:
Elastic Load Balancing uses a Secure Socket Layer (SSL. negotiation configuration which is known as a Security Policy. It is used to negotiate the SSL connections between a client and the load balancer. When client is requesting ELB DNS over SSL and if the load balancer is configured to support the Server Order Preference, then the load balancer gets to select the first cipher in its list that matches any one of the ciphers in the client's list. Server Order Preference ensures that the load balancer determines which cipher is used for the SSL connection.

NEW QUESTION 12
An organization has created 5 IAM users. The organization wants to give them the same login ID but different passwords. How can the organization achieve this?

  • A. The organization should create a separate login ID but give the IAM users the same alias so that each one can login with their alias
  • B. The organization should create each user in a separate region so that they have their own URL to login
  • C. It is not possible to have the same login ID for multiple IAM users of the same account
  • D. The organization should create various groups and add each user with the same login ID to different group
  • E. The user can login with their own group ID

Answer: C

Explanation:
AWS Identity and Access Management is a web service which allows organizations to manage users and user permissions for various AWS services. Whenever the organization is creating an IAM user, there should be a unique ID for each user. It is not possible to have the same login ID for multiple users. The names of users,groups, roles, instance profiles must be alphanumeric, including the following common characters: plus (+., equal (=., comma (,., period (.., at (@., and dash (-..

NEW QUESTION 13
When assessing an organization s use of AWS API access credentials which of the following three credentials should be evaluated?
Choose 3 answers

  • A. Key pairs
  • B. Console passwords
  • C. Access keys
  • D. Signing certificates
  • E. Security Group memberships

Answer: ACD

Explanation: Reference:
http://media.amazonwebservices.com/AWS_Operational_Checklists.pdf

NEW QUESTION 14
You are running a database on an EC2 instance, with the data stored on Elastic Block Store (EBS) for persistence At times throughout the day, you are seeing large variance in the response times of the database queries Looking into the instance with the isolate command you see a lot of wait time on the disk volume that the database's data is stored on.
What two ways can you improve the performance of the database's storage while maintaining the current persistence of the data?
Choose 2 answers

  • A. Move to an SSD backed instance
  • B. Move the database to an EBS-Optimized Instance
  • C. T Use Provisioned IOPs EBS
  • D. Use the ephemeral storage on an m2 4xiarge Instance Instead

Answer: AB

NEW QUESTION 15
A user is trying to launch an EBS backed EC2 instance under free usage. The user wants to achieve
encryption of the EBS volume. How can the user encrypt the data at rest?

  • A. Use AWS EBS encryption to encrypt the data at rest
  • B. The user cannot use EBS encryption and has to encrypt the data manually or using a third party tool
  • C. The user has to select the encryption enabled flag while launching the EC2 instance
  • D. Encryption of volume is not available as a part of the free usage tier

Answer: B

Explanation:
AWS EBS supports encryption of the volume while creating new volumes. It supports encryption of the data at rest, the I/O as well as all the snapshots of the EBS volume. The EBS supports encryption for the selected instance type and the newer generation instances, such as m3, c3, cr1, r3, g2. It is not supported with a micro instance.

NEW QUESTION 16
An organization has setup Auto Scaling with ELB. Due to some manual error, one of the instances got
rebooted. Thus, it failed the Auto Scaling health check. Auto Scaling has marked it for replacement. How can the system admin ensure that the instance does not get terminated?

  • A. Update the Auto Scaling group to ignore the instance reboot event
  • B. It is not possible to change the status once it is marked for replacement
  • C. Manually add that instance to the Auto Scaling group after reboot to avoid replacement
  • D. Change the health of the instance to healthy using the Auto Scaling commands

Answer: D

Explanation:
After an instance has been marked unhealthy by Auto Scaling, as a result of an Amazon EC2 or ELB health check, it is almost immediately scheduled for replacement as it will never automatically recover its health. If the user knows that the instance is healthy then he can manually call the SetInstanceHealth action (or the as-setinstance- health command from CLI. to set the instance's health status back to healthy. Auto Scaling will throw an error if the instance is already terminating or else it will mark it healthy.

NEW QUESTION 17
You have a server with a 5O0GB Amazon EBS data volume. The volume is 80% full. You need to back up the volume at regular intervals and be able to re-create the volume in a new Availability Zone in the shortest time possible. All applications using the volume can be paused for a period of a few minutes with no discernible user impact.
Which of the following backup methods will best fulfill your requirements?

  • A. Take periodic snapshots of the EBS volume
  • B. Use a third party Incremental backup application to back up to Amazon Glacier
  • C. Periodically back up all data to a single compressed archive and archive to Amazon S3 using a parallelized multi-part upload
  • D. Create another EBS volume in the second Availability Zone attach it to the Amazon EC2 instance, and use a disk manager to mirror me two disks

Answer: D

Explanation: Reference:
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-creating-snapshot.html

NEW QUESTION 18
A sys admin is trying to understand EBS snapshots. Which of the below mentioned statements will not be
useful to the admin to understand the concepts about a snapshot?

  • A. The snapshot is synchronous
  • B. It is recommended to stop the instance before taking a snapshot for consistent data
  • C. The snapshot is incremental
  • D. The snapshot captures the data that has been written to the hard disk when the snapshot command was executed

Answer: A

Explanation:
The AWS snapshot is a point in time backup of an EBS volume. When the snapshot command is executed it will capture the current state of the data that is written on the drive and take a backup. For a better and consistent snapshot of the root EBS volume, AWS recommends stopping the instance. For additional volumes it is recommended to unmount the device. The snapshots are asynchronous and incremental.

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