AWS CLOUD MODULE 3 QUIZ

What is an AWS Region?

• A single data center
• A group of edge locations
• A geographical area with multiple AZs
• A local cache server

Answer explanation

A Region is a geographical area consisting of multiple Availability Zones.

What does each AWS Region consist of?

• One data center
• Multiple Availability Zones
• One Availability Zone
• Regional edge cache only

Answer explanation

Each Region typically has two or more Availability Zones.

Which of the following factors help determine the right AWS Region?

• Data governance
• Cost
• Latency
• All of the above

Answer explanation

You select Regions based on compliance, cost, services, and proximity.

What is an Availability Zone (AZ)?

• A country where AWS operates
• A physically isolated data center group
• A virtual machine
• A CDN node

Answer explanation

Each AZ is a fully isolated partition of the AWS infrastructure.

What connects Availability Zones together?

• Public Internet
• AWS high-speed private network
• Customer-managed VPN
• Satellite

Answer explanation

AZs are connected via AWS private high-speed networking.

Why does AWS recommend replicating data across Availability Zones?

• To save cost
• To improve latency
• For resiliency and fault tolerance
• To reduce storage size

Answer explanation

Replication across AZs increases system availability and fault tolerance.

What is the typical number of servers in a data center?

• 500–800
• 5,000–8,000
• 50,000–80,000
• 100,000+

Answer explanation

Each AWS data center typically contains 50,000–80,000 physical servers.

What are AWS Points of Presence made up of?

• Data centers
• Edge locations and Regional edge caches
• Availability Zones
• Local Zones only

Answer explanation

PoPs consist of edge locations and regional edge caches.

Which AWS service uses edge locations?

• Amazon EC2
• AWS Lambda
• Amazon CloudFront
• AWS CloudTrail

Answer explanation

CloudFront uses edge locations for low-latency content delivery.

What is a key feature of AWS infrastructure?

• Manual scaling
• Elasticity and scalability
• Limited redundancy
• Fixed capacity

Answer explanation

Elasticity and scalability allow automatic adjustment of resources.