Thursday, 02/12/2026
💚 Democracy Now! due!
📋 Tasks
Print Attendance. #cis126rh #done
- Replace Graded Lab slide bullet points with original text. #cis126RH #cis238rh #todo
- Fix Tasks under Projects. Should be ==== Tasks ====.
📝 Notes
CLD120 (25866)
- Activate Your AWS Skill Builder Offer (repost)
CLD120 Module 4 Knowledge Check
1: Due to a company merger, a data engineer needs highly scalable object storage for unstructured, semistructured, and structured data. Which AWS service is most cost effective?
- Amazon Elastic Block Store (Amazon EBS)
- AWS Storage Gateway
- Amazon RDS
- Amazon S3
2: Amazon S3 provides a good solution for which use case?
- A data warehouse for business intelligence
- Hourly storage of frequently accessed temporary files
- Ledger data that is updated and accessed frequently
- Internet-accessible storage for video files for external access
3: Which types of content does Amazon S3 support for static web hosting? (Select three)
- Dynamic HTML files
- Server-side scripts
- Database engine
- Client-side scripts
- HTML files and image files
- Video and sound files
4: A company wants to store sensitive data in S3. Which actions protect their data? (Select two)
- Enable server-side encryption after upload
- Enable server-side encryption before upload
- Use client-side encryption before sending data
- Upload unencrypted files (S3 encrypts by default)
- Use SFTP
5: Which requirements does Amazon S3 support? (Select two)
- Compare file contents
- Attach comments to files
- Lock a file for editing
- Maintain different versions of files
- Recover deleted files
6: What storage policy is most cost efficient for data accessed daily for 30 days and occasionally for one year?
- S3 Standard then lifecycle to S3 Standard-IA after 30 days
- S3 Standard to Glacier after 30 days
- Intelligent-Tiering
- Keep all data in S3 Standard
7: Which option uses CloudFront edge locations to transfer files over long distances to S3?
- AWS SDKs
- AWS Transfer Family
- Amazon S3 REST API
- Amazon S3 Transfer Acceleration
8: Which method is most reliable for frequent uploads of 100–700 MB video files over unreliable internet?
- AWS Transfer Family
- AWS Management Console
- Amazon S3 Transfer Acceleration
- S3 Multipart Uploads
9: Which storage class is designed for backup copies or easily re-creatable data?
- S3 Standard-IA
- S3 Intelligent-Tiering
- S3 One Zone-Infrequent Access (S3 One Zone-IA)
- S3 Glacier Instant Retrieval
10: A company must retain records for 7 years with rare access. Cheapest option?
- S3 Intelligent-Tiering
- S3 Standard-IA
- S3 One Zone-IA
- S3 Glacier Deep Archive