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Amazon Exam CLF-C02 Topic 5 Question 15 Discussion

Actual exam question for Amazon's CLF-C02 exam
Question #: 15
Topic #: 5
[All CLF-C02 Questions]

Which AWS services or features provide disaster recovery solutions for Amazon EC2 instances? (Select TWO.)

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Suggested Answer: B, C

The correct answer isBandC. EC2 Amazon Machine Images (AMIs) and Amazon Elastic Block Store (Amazon EBS) snapshots are two AWS services that provide disaster recovery solutions for Amazon EC2 instances.

EC2 AMIsare preconfigured templates that contain the software configuration and data required to launch an EC2 instance. You can create AMIs from your running EC2 instances and use them to launch new instances in the same or different AWS Regions.This way, you can quickly recover your EC2 instances in case of a disaster that affects your primary Region or Availability Zone1.

Amazon EBS snapshotsare incremental backups of your Amazon EBS volumes. You can create snapshots of your volumes and store them in Amazon S3, which is a highly durable and scalable storage service. You can use snapshots to restore your volumes to a previous point in time or to create new volumes from snapshots.Snapshots can also be copied across AWS Regions, enabling you to recover your data in another Region in case of a disaster2.

The other options are not directly related to disaster recovery for EC2 instances:

EC2 Reserved Instancesare a pricing model that allows you to reserve EC2 capacity for a specific period of time and receive a discount on the hourly charge.Reserved Instances do not provide any disaster recovery benefits, as they are only a billing option3.

AWS Shieldis a managed service that protects your AWS resources from distributed denial-of-service (DDoS) attacks. AWS Shield provides basic protection for all AWS customers at no additional charge, and advanced protection for customers who need higher levels of detection and mitigation.AWS Shield does not provide any disaster recovery benefits, as it is only a security service4.

Amazon GuardDutyis a threat detection service that monitors your AWS account and workloads for malicious or unauthorized activity. Amazon GuardDuty analyzes various data sources, such as AWS CloudTrail, Amazon VPC Flow Logs, and DNS logs, to identify potential threats and alert you via Amazon CloudWatch Events or AWS Lambda.Amazon GuardDuty does not provide any disaster recovery benefits, as it is only a monitoring service5.


by Devora at Apr 14, 2024, 01:20 PM

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Lanie
7 days ago
Hmm, I'm not so sure about Shield. Isn't that more for protecting against DDoS attacks? Doesn't really seem like a disaster recovery solution to me. But I could be wrong.
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Denise
7 days ago
Hah, good point. Those are about as useful as a chocolate teapot in a disaster scenario. I'd steer clear of those.
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Shawnee
8 days ago
Yeah, I agree with Viola. AMIs and EBS snapshots allow us to create backups of our instances and data, which we can then use to quickly spin up new instances if needed. Those are definitely the way to go for disaster recovery.
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Rebeca
9 days ago
What about the other options? I'm not sure I'd trust AWS Shield or GuardDuty to handle a full-blown disaster. Sounds more like security features.
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Viola
9 days ago
I think the key here is to focus on the services or features that can help us recover our EC2 instances in the event of a disaster. AMIs and EBS snapshots seem like the most obvious choices to me.
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Dorothy
10 days ago
This is a tricky one. I'm not sure if Reserved Instances or GuardDuty are really disaster recovery solutions for EC2 instances. Those seem more like cost-saving and security features.
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Hector
10 days ago
Yeah, those are definitely the right answers. AMIs let you quickly spin up new instances, and EBS snapshots let you restore your data. Easy peasy.
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Timothy
11 days ago
Hmm, let me think... I'd say EC2 AMIs and EBS snapshots are the obvious choices here. Those are the bread and butter of disaster recovery for EC2.
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Ezekiel
13 days ago
I know, right? But it's important to be prepared. I'm glad they're testing this stuff - it could save our butts one day.
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Janet
15 days ago
Ugh, disaster recovery questions are the worst. I hate having to think about all the bad things that could happen to my instances.
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