ACLOUD GURU SA ASSOCIATE Flashcards
YOU WILL PASS THE FIRST FUCKING TIME
If you want your application to check RDS for an ERROR, have it look for an ______ node in the response from the Amazon RDS API.
ERROR NODE
Which of the following DynamoDB features are chargeable, when using a single region?
- READ AND WRITE CAPACITY
* STORAGE OF DATA
What data transfer charge is incurred when replicating data from your primary RDS instance to your secondary RDS instance?
THERE IS NO FUCKING CHARGE FOR THIS
How many copies of my data does RDS - Aurora store by default?
6
Amazon’s ElastiCache uses which two engines?
Redis & Memcached
MySQL installations default to port number ________.
3306
Which of the following is most suitable for OLAP?
REDSHIFT
Which of the following is not a feature of DynamoDB?
The ability to store relational based data
In RDS, what is the maximum value I can set for my backup retention period
35 DAYS
If I wanted to run a database on an EC2 instance, which of the following storage options would Amazon recommend?
EBS
What happens to the I/O operations of a single-AZ RDS instance during a database snapshot or backup?
I/O may be briefly suspended while the backup process initializes (typically under a few seconds), and you may experience a brief period of elevated latency.
Which set of RDS database engines is currently available?
Oracle, SQL Server, MySQL, PostgreSQL
If you are using Amazon RDS Provisioned IOPS storage with a Microsoft SQL Server database engine, what is the maximum size RDS volume you can have by default?
16TB
Each subnet must reside entirely within
one Availability Zone and cannot span zones.
The /16 offers
65,536 possible addresses.
chief advantage of using VPC endpoints to connect your VPC to services such as S3?
Traffic between your VPC and the other service does not leave the Amazon network.
In a default VPC, all Amazon EC2 instances are assigned 2 IP addresses at launch. What are they?
A Private IP Address & Public IP Address
An Application Load Balancer must be deployed into at least
two subnets.
A VPN connection consists of which of the following components
“Customer Gateway” and “Virtual Private Gateway
In a custom VPC with new subnets in each AZ, there is a Route that supports
communication across all subnets/AZs. Plus a Default SG with an allow rule ‘All traffic, All protocols, All ports, from anything using this Default SG’
What is the purpose of an Egress-Only Internet Gateway?
Prevents IPv6 based Internet resources initiating a connection into a VPC
AND
Allows VPC based IPv6 traffic to communicate to the Internet
IN AMAZON VPC AN INSTANCE DOES NOT
RETAIN ITS PRIVATE IP
Security groups act like a firewall at the instance level, whereas _________ are an additional layer of security that act at the subnet level
NACL
You have just created a 2nd VPC and launched an EC2 instance in a subnet of that VPC. You want this instance to be publicly available, but you forgot to assign a public IP address during creation. How might you make your instance reachable from the outside world?
Create an Internet gateway and an Elastic IP address. Associate the Elastic IP with the EC2 instance.
