Test
AWS 2
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Preguntas del test (50)
1The user has configured AutoScaling based on the dynamic policy. Which of the following is not the right command to specify a change in capacity as a part of the policy?
- A“adjustment=3” (type is ExactCapacity)
- B“adjustment=-50” (type is PercentChangeInCapacity)
- C“adjustment=-1” (type is ChangeInCapacity)
- D“adjustment=-8” (type is ExactCapacity)
2A user has configured AutoScaling with policy based scaling. The user has 68 instances running right now. The policy states that the count should be increased by 10%. How many instances will be running after the scaling activity is complete?
- A75
- B74
- C69
- D76
3A user has configured AutoScaling with policy based scaling. The user has 53 instances running right now. The policy states that the count should decrease by 10%. How many instances will be running after the scaling activity is complete?
- A47
- B48
- C50
- D52
4A user is providing a SaaS which is hosted on AWS. The SaaS is having multiple customers and the owner wants to setup AutoScaling for each customer based on their requirement. What is the maximum number of AutoScaling groups that the owner can configure in each region?
- A100
- B40
- C10
- D20
5A user has launched an instance with an EBS backed root device and then attached two additional EBS volumes to it. The user is trying to create the AutoScaling Launch configuration using this instance as a reference.
How many additional block devices will the future instance have by default?- A3
- B2
- C0
- D1
6A user is trying to create an AutoScaling launch configuration from an existing EC2 instance using AWS console. Where should the user select the instance to setup the launch config?
- AEC2-> Auto Scaling-> Instance Listing
- BEC2->Describe Instances Page
- CThe launch from the instance is not supported in the AWS console
- DEC2-> Launch Config Creation Page
7A user is trying to create a vault in AWS Glacier. The user wants to enable notifications. In which of the below mentioned options can the user enable the notifications from the AWS console?
- AVault Inventory Retrieval Job Complete.
- BGlacier does not support the AWS console.
- CArchival Upload Complete.
- DVault Retrieval Job Complete.
8A user is writing an application which creates versions of all the objects which are older than 50 days. Which of the below mentioned APIs or methodologies should the user use?
- ASOAP API
- BCLI
- CREST API
- DAWS console
9A user is planning to launch an instance from AWS EC2. Which of the below mentioned options is not a possible scenario?
- AUse the AWS Tools for Windows PowerShell with an AMI that the user selects.
- BLaunch an instance using the Amazon EBS snapshot.
- CLaunch using the ELB console with the selected AMI.
- DLaunch an instance using the EC2 CLI.
10When selecting an AMI to launch the EC2 instance, which of the below mentioned options is not available to the user?
- ASelect Community AMIs.
- BSelect from the AWS marketplace.
- CSelect from the Trusted AWS partners.
- DSelect My AMIs.
11A user is using an EBS backed Windows instance. The user wants the instance to terminate when he stops the instance. How can the user achieve this?
- AThe user has to use Cloudwatch to configure instance termination while the instance is being stopped.
- BUpdate the instance termination protection attributes so it always terminates when it is stopped.
- CChange the shutdown behaviour of the instance from stop to terminate.
- DIt is not possible to terminate the instance when it is stopped.
12A user has launched an EC2 instance. Which of the below mentioned statements is not true with respect to instance addressing?
- AThe user can communicate using the private IP across regions.
- BThe private IP address and public IP address for an instance are directly mapped to each other using NAT.
- CThe private IP addresses are not reachable from the internet.
- DThe private IP address for the instance is assigned using DHCP.
13A user is creating a custom firewall configuration in EC2-Classic. How will the user ensure that the internal DNS resolution of the instance does not fail?
- AThe user cannot create a custom firewall in EC2-Classic.
- BThe custom firewall should map the internal DNS with the elastic IP using NAT.
- CAllow inbound traffic on port 53 from the Amazon DNS server.
- DThe user should implement NAT for DNS and IP mapping.
14A user has launched an EC2 instance and mounted a 20 GB volume on /dev/sdf. What will happen to the volume when the instance is terminated?
- AThe volume will survive instance termination.
- BThe volume will be terminated only if it is mounted as a root device.
- CThe volume will be terminated along with the instance.
- DThe volume will be terminated only if the user has marked the flag of deleteontermination false.
15A user is trying to launch an instance with a free usage tier. Which of the below mentioned options is not possible?
- AAttach an EBS volume of 1 GB.
- BLaunch with RHEL OS.
- CEnable termination protection.
- DAttach an ephemeral storage.
16A user is creating an AMI from a large instance. The instance has one EBS volume of 10 GB and one ephermal storage. Will the AMI have ephermal storage when a new instance is launched from it?
- AProvided it is an EBS backed AMI.
- BNo.
- CProvided it is an instance store backed AMI.
- DYes.
17A user has launched an EC2 instance under the free usage tier. The user wants to have some temporary storage attached to the instance. How can the user have ephermal storage?
- AIt is not possible to have ephermal storage with free usage.
- BLaunch an instance with an instance store backed AMI.
- CCreate an AMI which has ephermal storage attached on instance launch.
- DWhile launching an instance the user can attach ephermal storage.
18A user is launching an EC2 instance under the free usage tier from the AMI with a snapshot size of 50 GB. How can the user launch the instance under the free usage tier?
- AIt is not possible to have this instance under the free usage tier.
- BLaunch a micro instance, but in the EBS configuration modify the size of EBS to 30 GB.
- CLaunch a micro instance.
- DLaunch a micro instance, but do not store the data of more than 30 GB on the EBS storage.
19While assigning a tag to an instance, which of the below mentioned options is not a valid tag key/value pair?
- AKey: “aws:name” Value: “instance@aws”
- BKey: “Name :aws” Value: “instance@aws”
- CKey : “name@aws” Value:”aws:instance”
- DKey : “aws” Value:”aws”
20A user has configured a security group with EC2-CLASSIC. Which of the below mentioned statements is true?
- ABy default all inbound traffic is disabled and all outbound traffic is enabled.
- BBy default all inbound and outbound traffic is enabled.
- CBy default all inbound and outbound traffic is disabled.
- DBy default all inbound traffic is enabled and all outbound traffic is disabled.
21A user has enabled versioning of a bucket. Is it possible to store all the versions of the objects in RRS and the current version of the object in S3?
- AYes.
- BNo.
- CNo, but it is possible that the current version stays in RRS and the older version in S3.
- DYes, only if the life cycle rule is set.
22A user is exploring options to work with AWS S3. Which of the below mentioned statements does not help user with respect to AWS S3?
- AThe user can store a php file in AWS S3.
- BThe user can host a static website on AWS S3.
- CThe user can host a dynamic website with Cloudfront.
- DThe user can create a bucket with the same name as the user domain on S3.
23A user has enabled a static website with AWS S3. The user already has index.html as a part of this bucket. What difference will be there for the user while using this hosting feature?
- ANothing. The website hosting feature just enables the user to point to the specific index file.
- BIt helps the user to save some costs as it will not consider the I/O charges if website hosting is enabled.
- CThe user can directly access the website using the region specific endpoint.
- DNothing. the user can always access index.html without the hosting feature.
24A user has a root domain as www.cloudacademy.com. The user wants to serve all the requests for cloudacademy.com as well as for www.cloudacademy.com using AWS S3. How can the user achieve this?
- ACreate two buckets with the name www.cloudacademy.com and cloudacademy.com and host a static website on both the buckets.
- BCreate two buckets with the name www.cloudacademy.com and cloudacademy.com and route requests from both the buckets to each other using S3 website hosting.
- CIt is not possible to have two buckets serving the same website.
- DCreate two buckets with the name www.cloudacademy.com and cloudacademy.comand route requests of one bucket to another using S3 website hosting.
25A user has uploaded an object on S3. Which of the below mentioned methodologies should be implemented by S3 to ensure the integrity of the data?
- AArchival.
- BChecksum.
- CEncryption.
- DIntrinsic replication.
26A user is updating an object in the Singapore region. The original content has the value “colour=red”. The user updates the object with the content as “colour=”white”. If the user tries to read the value of the object 1 minute after it was uploaded, what will S3 return?
- AIt will return “colour=white”.
- BIt will return “colour=red”.
- CIt will return an error saying that the object was not found.
- DIt may return either “colour=red” or “colour=white” i.e. any of the value.
27A user is creating an object in the EU region. The content of the object is the value “colour=red”. If the user tries to read the value of the object 1 minute after it was uploaded, what will S3 return?
- AIt will return error 404 object not found.
- BIt may return an error or return the value “colour=red”.
- CIt will return an invalid key.
- DIt will return “colour=red”.
28A user has created an bucket with the name "cloudacademy" in the US East region. The other AWS account user is trying to create a bucket with the same name in the EU region. What will S3 do?
- AIt will allow the other AWS owner to create since the AWS account ID is different.
- BIt will throw an error saying naming criteria not met for EU region.
- CIt will allow the other AWS owner to create since the region is different.
- DIt will throw an error saying the requested bucket name is not available
29An IAM user is performing an operation on some other user’s S3 bucket. What will S3 first check in this context?
- AVerifies if the IAM policy is available for the root account to provide permission to the other IAM users.
- BVerifies that the bucket has the required policy defined for access the IAM user.
- CVerifies if the parent of the IAM user has granted sufficient permission.
- DReject the request since the IAM user does not belong to the root account.
30A user has the vault name “CLOUDAcademy” in the US-East region. The user is trying to create a new vault in the US-West-1 region with the same name. What will happen in this case?
- AGlacier is not supported the in US-West-1 region.
- BGlacier will throw an error for same vault name.
- CGlacier will allow the user to create a new vault in the US-West-1 region.
- DGlacier will throw an error for wrong naming convention in the US-West-1 region.
31A user has uploaded 1 archive to an empty existing Glacier vault. The user is trying to get the inventory of archives using a job. Will Glacier return the list of uploaded archives in that job?
- AIt will list the archive in the job result.
- BIt will not list the archive in the job result.
- CIt may or may not list the archive in the result.
- DIt is not possible to get the list of the archive using the vault inventory Job.
32An organization has created an IAM user named cloud. The organization is trying to create a new group with the same name as cloud. What will happen in this case?
- AAWS will allow to create the IAM group with the name cloud as both the user and the group have separate ARNs.
- BAWS will not allow to create the IAM group with the name cloud as there will be a conflict between the ARNs.
- CAWS will allow to create the IAM group with the name cloud provided the user has given the path attribute name.
- DIf the user is creating from CLI, it will allow since the user can specify the path attribute to a separate ARN.
33A root owner wants to set up MFA with a smartphone for each of his IAM users. What should he do to achieve this?
- AThe owner needs a setup for each user’s smartphone.
- BCreate a policy which will allow each user to setup their smartphone for MFA.
- CEnable MFA for each user and AWS will ask the user to attach their smartphone on first login.
- DIt is not possible to have MFA with a smartphone.
34Which of the below mentioned statements is false with respect to the public DNS of an EC2 instance?
- AIt is linked with the user AWS account.
- BIt is mapped to the primary network interface.
- CIt can be used to access the instance from the internet.
- DThe public DNS cannot be changed by the user.
35A user is defining a policy for an IAM user. The user did not define the version as a part of the policy. What will happen now?
- AAWS will not take any version of the policy.
- BAWS will take the default "Version":"2012-10-17".
- CAWS will throw an error.
- DAWS will take the default "Version":"2008-10-17".
36A user is defining a policy for the IAM user. Which of the below mentioned elements will be used as a part of the policy?
- ASupported Data Types
- BNotEffect
- CPrincipalResource
- DVersionManagement
37A user has hosted an application on EC2. The application makes a call to RDS. How can the user ensure that access to the RDS DB is secure?
- AAllow the EC2 security group within the RDS security group to allow access from EC2.
- BIAM role with RDS access and attach it to EC2.
- CAccess between RDS and EC2 is always secure.
- DCreate an IAM user with RDS access and use its own credentials.
38A user has launched RDS with the Oracle DB. The instance size is 20 GB. The user has taken 2 snapshots of that DB. Will RDS charge the user for the snapshot?
- ANo, provided the snapshot storage is less than 40 GB.
- BNo. Backup storage is always free.
- CNo, provided the total snapshot size is less than 20 GB.
- DYes.
39A user is configuring MySQL RDS without PIOPS. What should be the minimum size of DB storage provided by the user?
- A5 GB
- B50 GB
- C1 TB
- D100 GB
40A user is configuring an application with the PostgreSQL RDS instance. The user does not want a mandatory maintenance window. How can the user configure this?
- AThe user should select the option as ‘No’ in the Management Options screen against the Maintenance window.
- BThe user should provide the same time for start and end so that it will not perform maintenance.
- CThe user should skip the step to configure the maintenance window.
- DIt is not possible to skip the mandatory maintenance window.
41A user has configured RDS with MySQL. The user has setup the maintenance window of 12:00 AM with the duration as 1 hour on every Sunday. The user wants to setup the automated backup for the same instance. What time should the user supply in this case?
- A12:30 AM
- B01:00 AM
- C01:01 AM
- DThe default duration for maintenance is 30 minutes and the user cannot specify 1 hour.
42How can a user have complete separation of the physical hardware for the virtual machines from the other tenants in EC2?
- AUse dedicated instances.
- BUse enhanced EC2 instances.
- CIt is not possible to have hardware separation for EC2.
- DUse single tenant option.
43A user has launched an EC2 micro instance from the AWS Linux image. When the user is trying to SSH the instance, it gives a message “No supported Authentication Method” after the user enters the user ID ec2-user. Which of the below mentioned options is a possible reason for the error?
- AThe instance is not configured for security.
- BThe user might not have attached the key-pair with the EC2 instance.
- CThe instance default user name is wrong.
- DPort 22 is not open for the instance security group.
44A user has launched an EC2 instance and wants to launch a similar instance with the same AMI ID, Instance Type and AZ with ease. What is the option provided by AWS?
- ACreate a new AMI template and launch it. The new instance will have all the required config options.
- BUse the option “Launch from template” from the AWS console.
- CCreate the instance template and launch it.
- DUse the option “Launch More like this” from the AWS console.
45An EBS volume was unable to detach from an instance. Thus, the user used the Force Detach option. Which of the below mentioned options can happen after the volume has been Forcibly detached?
- AThe instance may not be able to flush the file system and may result in a corrupted file system of the volume.
- BAWS deletes the volume automatically since it will be in a corrupted state.
- CThe volume will be available but cannot be attached to any instance in the future.
- DAWS terminates the instance automatically since the file system is corrupted.
46A user has created an EBS volume of 10 GB. The user takes the first snapshot of that volume. What will happen when the snapshot is taken?
- AAWS will create a snapshot of only blocks which are written on the volume.
- BAWS will copy all the blocks from EBS and create a snapshot.
- CThe I/O on the volume will be frozen while a snapshot is being taken.
- DAWS will create a snapshot of the modified content in the same AZ of the region.
47A user has attached an EBS volume created from an existing snapshot to a running instance. The volume is not mounted on the instance yet. If the user takes a snapshot of the attached volume, what will happen?
- AThe snapshot will fail since the volume is not mounted.
- BThe snapshot will succeed but it will have no data.
- CThe snapshot will succeed with all the modified data of the EBS volume.
- DThe new snapshot will only have the original volume content.
48An online exam starts at 9 AM. All the participants will do an I/O on a standard EBS backed instance at 9 AM. How can the user initially achieve a higher I/O performance when the EBS is not pre-warmed?
- AThe user should access all the blocks of data before the exam in advance.
- BThe user should select the instance with a higher size to avoid an initial low I/O.
- CThe EBS will automatically scale up the I/O when the load increases.
- DUse the ELB to distribute the load on EBS.
49A user is creating a PIOPS volume. What is the maximum ratio the user should configure between PIOPS and the volume size?
- A20
- B10
- C30
- D5
50A user is creating a 100GB PIOPS volume. What is the minimum IOPS the user should provision to meet the AWS suggested PIOPS / volume size ratio?
- A4000
- B1000
- C2000
- D3000
Información
- Descripción
- Test sobre AWS 2, creado por K H el 30/08/2015.
- Autor
- K H
- Idioma
- English
- Visitas
- 68
- Valoración
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