AWS Certified Solutions Architect - Associate (Part 2)
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- 1.A customer enquires about whether all his data is secure on AWS and is especially concerned about Elastic Map Reduce (EMR) so you need to inform him of some of the security features in place for AWS. Which of the below statements would be an incorrect response to your customers enquiry?
- A.
Amazon ENIR customers can choose to send data to Amazon S3 using the HTTPS protocol for secure transmission
- B.
Amazon S3 provides authentication mechanisms to ensure that stored data is secured against unauthorized access.
- C.
Every packet sent in the AWS network uses Internet Protocol Security (IPsec).
- D.
Customers may encrypt the input data before they upload it to Amazon S3.
- 2.You are in the process of building an online gaming site for a client and one of the requirements is that it must be able to process vast amounts of data easily. Which AWS Service would be very helpful in processing all this data?
- A.
Amazon S3
- B.
AWS Data Pipeline
- C.
AWS Direct Connect
- D.
Amazon EMR
- 3.You need to change some settings on Amazon Relational Database Service but you do not want the database to reboot immediately which you know might happen depending on the setting that you change. Which of the following will cause an immediate DB instance reboot to occur?
- A.
You change storage type from standard to PIOPS, and Apply Immediately is set to true.
- B.
You change the DB instance class, and Apply Immediately is set to false
- C.
You change a static parameter in a DB parameter group.
- D.
You change the backup retention period for a DB instance from 0 to a nonzero value or from a nonzero value to 0, and Apply Immediately is set to false.
- 4.What does the following policy for Amazon EC2 do? { "Statement":[{ "Effect":"AI|ow", "Action":"ec2:Describe*", "Resource":"*" II }
- A.
Allow users to use actions that start with "Describe" over all the EC2 resources.
- B.
Share an AMI with a partner
- C.
Share an AMI within the account
- D.
Allow a group to only be able to describe, run, stop, start, and terminate instances
- 5.You are setting up a very complex financial services grid and so far it has 5 Elastic IP (EIP) addresses. You go to assign another EIP address, but all accounts are limited to 5 Elastic IP addresses per region by default, so you aren't able to. What is the reason for this?
- A.
For security reasons
- B.
Hardware restrictions.
- C.
Public (IPV4) internet addresses are a scarce resource
- D.
There are only 5 network interfaces per instance.
- 6.Amazon RDS provides high availability and failover support for DB instances using .
- A.
Customized deployments
- B.
Appstream customizations
- C.
Log events
- D.
MuIti-AZ deployments
- 7.A major customer has asked you to set up his AWS infrastructure so that it will be easy to recover in the case of a disaster of some sort. Which of the following is important when thinking about being able to quickly launch resources in AWS to ensure business continuity in case of a disaster?
- A.
Create and maintain AM|s of key sewers where fast recovery is required.
- B.
Regularly run your sewers, test them, and apply any software updates and configuration changes
- C.
All items listed here are important when thinking about disaster recovery.
- D.
Ensure that you have all supporting custom software packages available in AWS.
- 8.What does Amazon DynamoDB provide?
- A.
A predictable and scalable MySQL database
- B.
A fast and reliable PL/SQL database cluster
- C.
A standalone Cassandra database, managed by Amazon Web Services
- D.
A fast, highly scalable managed NoSQL database service
- 9.You want to use AWS Import/Export to send data from your S3 bucket to several of your branch offices. What should you do if you want to send 10 storage units to AWS?
- A.
Make sure your disks are encrypted prior to shipping
- B.
Make sure you format your disks prior to shipping.
- C.
Make sure your disks are 1TB or more.
- D.
Make sure you submit a separate job request for each device.
- 10.What would be the best way to retrieve the public IP address of your EC2 instance using the CLI?
- A.
Using tags
- B.
Using traceroute
- C.
Using ipconfig
- D.
Using instance metadata
- 11.You need to measure the performance of your EBS volumes as they seem to be under performing. You have come up with a measurement of 1, 024 KB I/O but your colleague tells you that EBS volume performance is measured in IOPS. How many IOPS is equal to 1, 024 KB I/O?
- A.
16
- B.
256
- C.
8
- D.
4
- 12.Having set up a website to automatically be redirected to a backup website if it fails, you realize that there are different types of failovers that are possible. You need all your resources to be available the majority of the time. Using Amazon Route 53 which configuration would best suit this requirement?
- A.
Active-active failover
- B.
None. Route 53 can't failover
- C.
Active-passive failover
- D.
Active-active-passive and other mixed configurations
- 13.AWS CIoudFormation is a service that helps you model and set up your Amazon Web Services resources so that you can spend less time managing those resources and more time focusing on your applications that run in AWS. You create a template that describes all the AWS resources that you want (like Amazon EC2 instances or Amazon RDS DB instances), and AWS CIoudFormation takes care of provisioning and configuring those resources for you. What formatting is required for this template?
- A.
JSON-formatted document
- B.
CSS-formatted document
- C.
XML-formatted document
- D.
HTML-formatted document
- 14.True or False: In Amazon Route 53, you can create a hosted zone for a top-level domain (TLD).
- A.
FALSE
- B.
False, Amazon Route 53 automatically creates it for you.
- C.
True, only if you send an XML document with a CreateHostedZoneRequest element for TLD.
- D.
TRUE
- 15.You decide that you need to create a number of Auto Scaling groups to try and save some money as you have noticed that at certain times most of your EC2 instances are not being used. By default, what is the maximum number of Auto Scaling groups that AWS will allow you to create?
- A.
12
- B.
Unlimited
- C.
20
- D.
2
- 16.A user needs to run a batch process which runs for 10 minutes. This will only be run once, or at maximum twice, in the next month, so the processes will be temporary only. The process needs 15 X-Large instances. The process downloads the code from S3 on each instance when it is launched, and then generates a temporary log file. Once the instance is terminated, all the data will be lost. Which of the below mentioned pricing models should the user choose in this case?
- A.
Spot instance.
- B.
Reserved instance.
- C.
On-demand instance.
- D.
EBS optimized instance
- 17.Which of the following is NOT a characteristic of Amazon Elastic Compute Cloud (Amazon EC2)?
- A.
It can be used to launch as many or as few virtual servers as you need.
- B.
It increases the need to forecast traffic by providing dynamic IP addresses for static cloud computing
- C.
It eliminates your need to invest in hardware up front, so you can develop and deploy applications faster.
- D.
It offers scalable computing capacity in the Amazon Web Services (AWS) cloud.
- 18.You have been storing massive amounts of data on Amazon Glacier for the past 2 years and now start to wonder if there are any limitations on this. What is the correct answer to your question?
- A.
The total volume of data is limited but the number of archives you can store are unlimited.
- B.
The total volume of data is unlimited but the number of archives you can store are limited.
- C.
The total volume of data and number of archives you can store are unlimited.
- D.
The total volume of data is limited and the number of archives you can store are limited.
- 19.You are setting up your first Amazon Virtual Private Cloud (Amazon VPC) so you decide to use the VPC wizard in the AWS console to help make it easier for you. Which of the following statements is correct regarding instances that you launch into a default subnet via the VPC wizard?
- A.
Nstances that you launch into a default subnet receive a public IP address and 10 private IP addresses.
- B.
Instances that you launch into a default subnet receive both a public IP address and a private IP address
- C.
Instances that you launch into a default subnet don't receive any ip addresses and you need to define them manually.
- D.
Instances that you launch into a default subnet receive a public IP address and 5 private IP addresses
- 20.A user has configured ELB with two EBS backed EC2 instances. The user is trying to understand the DNS access and IP support for ELB. Which of the below mentioned statements may not help the user understand the IP mechanism supported by ELB?
- A.
The client can connect over IPV4 or IPV6 using Dualstack
- B.
Communication between the load balancer and back-end instances is always through IPV4
- C.
ELB DNS supports both IPV4 and IPV6
- D.
The ELB supports either IPV4 or IPV6 but not both
- 21.Does AWS CIoudFormation support Amazon EC2 tagging?
- A.
Yes, AWS CIoudFormation supports Amazon EC2 tagging
- B.
No, CIoudFormation doesn't support any tagging
- C.
No, it doesn't support Amazon EC2 tagging.
- D.
It depends if the Amazon EC2 tagging has been defined in the template.
- 22.An existing client comes to you and says that he has heard that launching instances into a VPC (virtual private cloud) is a better strategy than launching instances into a EC2-classic which he knows is what you currently do. You suspect that he is correct and he has asked you to do some research about this and get back to him. Which of the following statements is true in regards to what ability launching your instances into a VPC instead of EC2-Classic gives you?
- A.
All of the things listed here
- B.
Change security group membership for your instances while they're running
- C.
Assign static private IP addresses to your instances that persist across starts and stops
- D.
Define network interfaces, and attach one or more network interfaces to your instances
- 23.Amazon S3 allows you to set per-file permissions to grant read and/or write access. However you have decided that you want an entire bucket with 100 files already in it to be accessible to the public. You don't want to go through 100 files indMdually and set permissions. What would be the best way to do this?
- A.
Move the bucket to a new region
- B.
Add a bucket policy to the bucket.
- C.
Move the files to a new bucket.
- D.
Use Amazon EBS instead of S3
- 24.A user is accessing an EC2 instance on the SSH port for IP 10.20.30.40. Which one is a secure way to configure that the instance can be accessed only from this IP?
- A.
In the security group, open port 22 for IP 10.20.30.40
- B.
In the security group, open port 22 for IP 10.20.30.40/32
- C.
In the security group, open port 22 for IP 10.20.30.40/24
- D.
In the security group, open port 22 for IP 10.20.30.40/0
- 25.Which of the following statements is true of creating a launch configuration using an EC2 instance?
- A.
The launch configuration can be created only using the Query APIs.
- B.
Auto Scaling automatically creates a launch configuration directly from an EC2 instance.
- C.
A user should manually create a launch configuration before creating an Auto Scaling group.
- D.
The launch configuration should be created manually from the AWS CLI.
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