AWS Review – Questions Architecting on AWS version 6 | Page 1 de 1

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La revue à J+15 – AWS Training and Certification - Programme : Architecting on AWS version 6

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ARC601 – Which act is part of the Security perspective of the Well-Architecting Framework? *

Enable traceability
Recover quickly from infrastructure or service failures
Measure efficiency
The ability to run and monitor systems
Mechanical sympathy

ARC602 – The maximum size of a file that you can upload by using the Amazon S3 console is? *

100 Megabytes
5 Gigabytes
78 Gigabytes
5 Terabytes
Unlimited

ARC603 – What is the best volume type EBS for logs processing? *

General Purpose SSD
Provisioned IOPS SSD
Throughput Optimized HDD
Cold HDD
EC2 instance store

ARC604 – What is the best service if you have multiple Windows instances that need to use the same file system storage? *

Amazon S3
Amazon EBS
Amazon EFS
Amazon Storage Gateway
Amazon FSx

ARC605 – Which following assumptions are true? *

You can change the tenancy of an instance from default to dedicated after you've launched it
You can change the tenancy of an instance from default to host after you've launched it
You can change the tenancy of an instance from dedicated to host after you've launched it
You can change the tenancy of an instance from dedicated to default after you've launched it
You can change the tenancy of an instance from host to dedicated after you've launched it
You can change the tenancy of an instance from host to default after you've launched it

ARC606 – Which database can be queried with SQL-like language? *

Amazon RDS
Amazon DynamoDB
Amazon RedShift
Amazon ElastiCache
Amazon Neptune

ARC607 – An EC2 instance at AWS can communicate with the Internet using? *

A public IP addresses
An Elastic IP addresses
Your own publicly-routable IP address prefixes with BYOIP feature
A NAT Gateway service
An additional Linux instance with proper configuration running by cfn-init
Starting it in the correct subnet of the default VPC
Automatically if the AWS tenant was created before December 2013
All above

ARC608 – What are the network IP configurations supported by a VPC? *

Subnetting IP
Protected IP Subnet
Broadcast IP
Supernetting IP
Unicast IP
Public IP Subnet
Private IP Subnets
Multicast IP

ARC609 – Which statements are correct about NACLs? *

Firewalls at the subnet boundary
Will allow all inbound and outbound traffic for default network ACL in a VPC
Are statefull, requiring explicit rules for both inbound and outbound traffic
A network ACL contains a numbered list of rules that we evaluate in order, starting with the lowest numbered rule
By default, each custom network ACL denies all inbound and outbound traffic
Recommended for specific network security requirements only
A NACL can support multiple rules
A subnet can be associated with only one network ACL but a network ACL can be associated with multiple subnets

ARC610 – How many Gbps throughput max per VPN tunnel a Direct Connect’s AWS Managed VPN supports? *

1-Gbps
1.25-Gbps
10-Gbps
In theory, we can scale any throughput with Equal Cost Multi Path (ECMP)

ARC611 – The Application Load Balancer supports? *

Websockets over HTTP or HTTPS
TCP protocol
HTTP/2 protocol
Source IP address preservation
Custom security policies
Resource-based IAM permissions
HTTPS Endpoint termination
Back-end server encryption

ARC612 – What are the components needed to build a Global Accelerator? *

Amazon S3
Amazon ElastiCache
Multi-AZ configuration
AWS Elastic Load Balancer
Amazon CloudFront configuration
DNS Failover configuration
Multi-Region configuration

ARC613 – What does the following policy for Amazon EC2 do? { “Statement”: [{ “Effect”:”Allow”, “Action”:”ec2: Describe*”, “Resource”:”*” } *

Allow users to use all actions on an EC2 instance.
Allow users to use actions that start with 'Describe' across all the EC2 resources.
Allow users to use actions that does not have the keyword "Describe' across all the EC2 resources.
Allow a group to be able to Describe with run, stop, start, and terminate instances

ARC614 – Which technique can be used to integrate AWS IAM (Identity and Access Management) with an on-premises LDAP (Light Weight Directory Access Protocol) directory service? *

Use an IAM policy that references the LDAP account identifiers and the AWS credentials.
Use SAML (Security Assertion Markup Language) to enable single sign-on between AWS and LDAP.
Use AWS security Token Service from an identity broker to issue short-lived AWS credentials.
Use IAM roles to automatically rotate the IAM credentials when LDAP credentials are updated.
Use the LDAP credentials to restrict a group of users from launching specific EC2 instance types.

ARC615 – What are the HA factors? *

Recoverability
Security
Scalability
Fault Tolerance
High Availability
Multi-AZ

ARC616 – What is the minimum confidence interval for Cost Explorer forecasts? *

50%
65%
75%
80%
90%

ARC618 – Find the existing purchasing strategies of Autoscalling EC2 fleets *

Maximum Spot Price
Spot Allocation Strategy
On-Demand Base
On-Demand Percentage Above
Reserved Instances
All above

ARC619 – What services or technologies can be used to increase the quality of service in the case of web activity scaling? *

Amazon CloudFront
Amazon DAX
Amazon DynamoDB for Session State
Amazon ELB
Amazon ElastiCache
Amazon Route53
Amazon Session Affinity Preference
AWS Amplify
AWS WAF

ARC620 – In which scenarios is the use of Amazon SQS recommended? *

Asynchronous work items
Heavy real-time processing
Large messages treatment
Selecting specific message
Service-to-service communication
State change notification

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