25 Questions
What is the maximum throughput for reads when using the Bursting Throughput Mode in Amazon EFS?
100 MiB/s
Which Performance Mode in Amazon EFS is suitable for latency-sensitive use cases like web servers and CMS?
General Purpose
In Amazon EFS, what is the purpose of the Performance Mode 'Max I/O'?
High latency and throughput for big data processing
What is the purpose of the Storage Tier 'Infrequent access (EFS-IA)' in Amazon EFS?
For frequently accessed files at a lower price
Which Throughput Mode in Amazon EFS allows you to set your own throughput regardless of storage size?
Provisioned
In Amazon EFS, which Performance Mode automatically scales throughput based on your workloads?
Elastic
What is one of the hard things in Computer Science, according to the text?
Cache invalidation
Which ElastiCache solution supports Data Durability using AOF persistence?
ElastiCache for Redis
What type of authentication does Memcached support?
SASL-based authentication
Which ElastiCache solution is suitable for partitioning data through sharding?
Memcached
Which technology is responsible for translating human-friendly hostnames into machine IP addresses?
DNS
Which ElastiCache solution supports Sets and Sorted Sets?
Redis
What does Redis AUTH provide as an extra level of security?
"password/token"
Which feature ensures no stale data in a cache when adding or updating data?
"Write Through"
Which ElastiCache solution supports lazy loading that can result in stale data in the cache?
"Lazy Loading"
'Gaming Leaderboards' are computationally complex and rely on which ElastiCache feature for real-time ranking?
"Sorted Sets"
What protocol is used when creating a new Aurora DB Cluster from an existing one?
Copy-on-write protocol
In Amazon RDS and Aurora, what is the main purpose of using IAM roles for authentication?
Connecting to the database instead of using username/password
What is the primary role of the fully managed database proxy for RDS?
Reducing stress on database resources and minimizing open connections
Which service is analogous to ElastiCache for managing Redis or Memcached?
Amazon RDS Proxy
What kind of encryption must be defined at launch time for Database master & replicas in AWS KMS?
At-rest encryption
What is a benefit of creating a new Aurora DB Cluster from an existing one?
Involves faster copy-on-write operations
In Amazon RDS and Aurora, how are credentials securely stored according to best practices?
Encrypted using AWS Secrets Manager
What is the primary purpose of an ElastiCache in-memory database?
Reducing load on databases for read intensive workloads
What option should be undertaken if one needs to encrypt an unencrypted Amazon RDS database?
Go through a DB snapshot & restore process as encrypted
Test your knowledge on how to relieve load in Amazon RDS Cache and implement an invalidation strategy to ensure only the most current data is utilized. This quiz covers concepts such as cache hits, cache misses, reading from the database, writing to cache, and the overall architecture of ElastiCache solutions.
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