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WorksheetsDay 7: EBS - AMI - EFS p2
Total questions: 20
Worksheet time: 16mins
Name
Class
Date
1.
EBS locked to an AZ
a)
true
b)
false
2.
You are deploying a database on multi EC2 instances which requires low latency and high throughput to support several million IOPS. It can withstand the loss of data on some EC2 instances. Which one will fit this use case ?
a)
EBS
b)
EFS
c)
Instance Store
d)
FSx
3.
EFS locked to an AZ
a)
true
b)
false
4.
Production team needs store a large amount of data which will be analyzed hourly and modified by multiple EC2 Linux instances. Data will continue to grow triples for next 6 months. Which one will fit this use case ?
a)
EBS
b)
EFS Standard Multi AZ
c)
EFS Standard 1 Zone
d)
EFS IA Multi AZ
e)
EFS IA 1 Zone
5.
Sort the steps to create an encrypted EBS volume for EC2 instance from the unencrypted one
1 - Encrypt the snapshot
2 - Create a snapshot
3 - Attach the encrypted volume to the instance
4 - Create new volume from the snapshot
a)
2 1 3 4
b)
2 1 4 3
c)
2 4 1 3
d)
2 4 3 1
6.
An application run on a group of Linux EC2 instances which need writes log using API calls. All log files must retained infinitely and will be analyzed by a reporting toll that must access all files concurrently. Which one will fit this use case ?
a)
EBS
b)
EFS
c)
Instance Store
d)
FSx
7.
Under what circumstances will EC2 instance store data not be preserved? (choose all that apply)
a)
The associated security groups are changed.
b)
The instance is stopped
c)
The instance is rebooted
d)
The instance is terminated
e)
None of the above
8.
Which of the following EBS volume types can be used as boot volumes when you create EC2 instances? (choose 2)
a)
Cold HDD
b)
Throughput-optimized HDD
c)
General-purpose SSD
d)
Provisioned-IOPS SSD
9.
EFS Compatible with ___ based AMI
a)
Windows
b)
Mac
c)
Linux
10.
Which of the following are features of EBS (choose 2)
a)
Data stored on EBS is automatically replicated within an AZ
b)
EBS data is automatically backed up to tape
c)
EBS volumes can be encrypted transparently to workloads on the attached instance.
d)
Data on an EBS volume is lost when the attached instance is stopped.
11.
You need to take a snapshot of an EBS volume. How long will the volume be unavailable?
a)
It depends on the provisioned size of the volume.
b)
It depends on the amount of data stored on the volume.
c)
It depends on the attached instance
d)
The volume will be available immediately.
12.
You are restoring an EBS volume from a snapshot. How long will it be before the data is available?
a)
It depends on the provisioned size of the volume.
b)
It depends on the amount of data stored on the volume.
c)
It depends on the attached instance
d)
The data will be available immediately.
13.
If an EBS volume is root volume, you must stop instance before detach it
a)
true
b)
false
14.
If an EBS volume is not a root volume, you must stop instance before detach it
a)
true
b)
false
15.
if I terminated an EC2 instance, would that EBS root volume persist
a)
No - It will always be deleted immediately on termination
b)
No - Unless 'Delete on Termination' is unchecked for the root volume
c)
Yes - It will always persist until deleted manually
d)
Yes - But only for certain instance types
16.
Your organization is planning to build a Big Data project on AWS. They need high data transfer rates for huge workloads to stream through with better performance. They are also looking for a cost-effective solution. Which EBS storage type would you choose in this scenario?
a)
Cold HDD
b)
Throughput-optimized HDD
c)
General-purpose SSD
d)
Provisioned-IOPS SSD
17.
Which of the following are true of instance stores? (Choose 2)
a)
Automatic backups
b)
Data is lost when the instance stops.
c)
Very high IOPS
d)
Charge is based on the total amount of storage provisioned.
18.
Which of the following are true ? (Choose 2)
a)
Instance store backed EC2 instances will persist storage across instance stop, terminate, and failures.
b)
EBS backed EC2 instances can persist storage across instance stop, terminate, and failures.
c)
Instance store backed EC2 instance will persist storage only during instance stop and start.
d)
You cannot add instance store volumes once the EC2 instance is launched.
19.
You have a fleet of EC2 Linux instances distributes across AZs that process a large data set. What do you recommend to make the same data to be accessible as an NFS drive to all of your EC2 instances?
a)
EBS
b)
EFS
c)
Instance Store
d)
FSx
20.
You are running a high-performance database that requires an IOPS of 310,000 for its underlying storage. What do you recommend?
a)
EBS gp2
b)
EBS io1
c)
Instance Store
d)
EBS io2 Block Express
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