Networking

Question 1

Cloud Network Services

Answer 1

• Amazon VPC
• AWS Transit Gateway
• AWS Privatelink
• Amazon Route53

Question 2

Define and provision an isolated network for your AWS resources

Answer 2

Amazon VPC

Question 3

Connect VPCs and on-premises networks

Answer 3

Amazon Transit Gateway

Question 4

Provide private connectivity between VPCs and on-premises applications

Answer 4

AWS Privatelink

Question 5

Host your own managed DNS

Answer 5

Amazon Route 53

Question 6

Services for Network Scaling

Answer 6

• Elastic Load Balancing
• AWS Global Accelerator

Question 7

Automatically distribute network traffic across a pool of resources

Answer 7

Elastic Load Balancing

Question 8

Direct traffic through the AWS global network to improve global application performance

Answer 8

AWS Global Accelerator

Question 9

Content Delivery

Answer 9

• Amazon CloudFront

Question 10

Securely deliver data, videos, and applications to customers globally with low latency and high transfer speeds

Answer 10

Amazon CloudFront

Question 11

IPv4 Address

Answer 11

Four sets of numbers ranging from 0-255 resulting in 256 numbers per set.

Question 12

Private network IP Addresses

Answer 12

10.0.01
172.16.0.1
192.168.0.1

Question 13

VPC

Answer 13

Create a virtual network for AWS services to exist in a local IP address range using the local network

• Gated community for VM’s and services in AWS

Question 14

NAT gateway

Answer 14

VM’s access for internet

Question 15

Internet Gateway

Answer 15

Internet to access instances

Question 16

Network access control list

Answer 16

Control which traffic is allowed into and out of VPC network

Question 17

CloudFront

Answer 17

Exists between website and visitors to deliver data, videos, applications, and websites with low latency and high transfer speeds.

Serves internet traffic from edge locations. Data is cached in edge locations. If necessary, cloudFront checks website server for new content to save to edge locations.

Question 18

Amazon CloudFront Benefits

Answer 18

• Increases security
• Traffic spike protection
• Lambda@Edge (lambda code running at edge locations)
• Real-time metrics
• Cost-effective

Question 19

DNS

Answer 19

Database that maps IP addresses to domains

Question 20

Routing policies

Answer 20

• Simple Routing
• Weighted Policy (multiple IP Addresses to spread traffic load, uses weights of 0-255)
• Geolocation Policy (reply with certain IP Addresses based on location)
• Latency Policy (AWS resources with lowest latency or fastest response)
• Failover Policy (point traffic at a single IP Address with failover if there is a problem)
• Multi-value Answer Policy (multiple healthy values)

Question 21

Amazon Virtual Private Cloud (VPC)

Answer 21

is a foundational service that allows you to create a secure private network in the AWS cloud where you launch your resources.
- private virtual network
- launch resources like EC2 instances inside the VPC
- Isolate and protect resources
- spans availability zones in a region

Question 22

Peering

Answer 22

VPC peering allows you to connect 2 VPCs together, facilitating the transfer of data in a secure manner.

Question 23

Amazon Route 53

Answer 23

is a DNS service that routes users to applications.
- Domain name registration
- Performs health checks on AWS resources
- Supports hybrid cloud architectures

Question 24

AWS Direct Connect

Answer 24

is a dedicated physical network connection from your on-premises data center to AWS.
- Dedicated physical network connection
- Connects on-premises data center to AWS
- Data travels over a private network
- Supports a hybrid environment

Question 25

AWS VPN

Answer 25

Site-to-Site VPN creates a secure connection between your internal networks and your AWS VPCs.
- Similar to Direct Connect, but travels over public internet
- Data is automatically encrypted
- Connect on-prem to AWS
- Supports a hybrid environment

Question 26

API Gateway

Answer 26

allows you to build and manage APIs