Exam (elaborations)
2024 AWS SOLUTIONS ARCHITECT EXAM WITH 100% SMART ANSWERS
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AWS SOLUTIONS ARCHITECT EXAM WITH 100% SMART ANSWERS
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AWS SOLUTIONS ARCHITECTEXAM WITH 100% SMART
ANSWERS
When can you assign IAM roles? - CORRECT-ANSWERSwhen you create an
instance. After, you can only change permissions.
Placement Group- - CORRECT-ANSWERSlogical grouping of instances within
single availability zone. Enables applications to participate in low latency
application groups.
Can't span multiple AZ Zones.
EFS (Elastic File System) - CORRECT-ANSWERSFile storage service for EC2
instances. Storage capacity is elastic. Stored across multiple AZ's in a region.
Read after write consistency.
TTL(Time To Live) (Route 53) - CORRECT-ANSWERSlength that a DNS record
is cached so request doesn't have to do another cache.
Canonical Name (CName) - CORRECT-ANSWERSused to resolve one domain
name to another.
Region - CORRECT-ANSWERSGeographic Area that consist of two or more
Availability Zones
Availability Zone - CORRECT-ANSWERSData Center inside a region
Edge Locations - CORRECT-ANSWERSCDNs (Content Delivery Networks) for
CloudFront. Location where content will be cached.
Alias Records - CORRECT-ANSWERSlike CName, maps to ELB or CloudFront.
Can use naked domain names.
When to use Canonical and Alias? - CORRECT-ANSWERSUsually use Alias
because you're not charged and it maps to ELB
Routing Policies (53) - CORRECT-ANSWERS1. Simple- default, single resource
that performs given function. One web server that serves content.
2. Weighted- splits traffic based on weight distribution assigned
, 3. Latency- route traffic based on lowest network latency for user. Fastest
response time
4. Failover- create active/passive setup. Will be directed to secondary if
failure.
5. Geolocation- chose where traffic will be sent based location of user
RDS(Relational Database Service) - CORRECT-ANSWERStraditional
spreadsheet(tables,rows,columns)
Types: SQL Server, Oracle, MySQL Server,PostgreSQL,Aurora,MariaDB
Used for OLTP (online transaction processing)
Non Relational Database(NoSQL) - CORRECT-ANSWERSDynamoDB
collection=table
document=row
key value pair=fields
Data Warehousing - CORRECT-ANSWERSRedshift. Pull in large and complex
data sets by management to do queries on data. Business intelligence
ElastiCache - CORRECT-ANSWERSin memory cache in the cloud. Improves
performance of web applications. Takes load off database if it is read heavy
and not prone to change. Supports: 1. Memcached 2. Redis
DMS (Database Migration Service) - CORRECT-ANSWERSmigrate production
database to AWS
Redshift - CORRECT-ANSWERSdata warehousing. OLAP (Online analytic
processing).Start with single node and scale to multi node.(Leader node and
Compute Node) Fast Speed because columnar data storage. Encryption at
rest=AES-256 and in transit using SSL.
Good if database stress is because management keeps running OLAP
transactions.
Backups for Database - CORRECT-ANSWERSAutomated Backups- Recover
database to any point in time within "retention" period. Takes snapshots
daily at specified time.
Snapshots- take manual snapshots.
Encryption of Database - CORRECT-ANSWERSOnly supported at rest.
Multi-AZ - CORRECT-ANSWERSUsed for disaster recovery, not increase in
performance
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