Azure FrontDoor

Question 1

What is Azure Front Door?

Answer 1

Azure Front Door is a scalable and secure entry point for fast delivery of global applications, offering Layer 7 load balancing and security.

Question 2

What layer of the OSI model does Azure Front Door operate on?

Answer 2

Azure Front Door operates at Layer 7 (Application Layer) of the OSI model.

Question 3

What are the main use cases for Azure Front Door?

Answer 3

Main use cases include global load balancing, application acceleration, and enhanced security with features like Web Application Firewall (WAF).

Question 4

What types of load balancing does Azure Front Door provide?

Answer 4

Azure Front Door provides Layer 7 load balancing for HTTP/HTTPS requests based on URL, path, and host headers.

Question 5

How does Azure Front Door integrate with Azure Web Application Firewall (WAF)?

Answer 5

Azure Front Door integrates with WAF to protect applications from web vulnerabilities like SQL injection and XSS attacks.

Question 6

What are the two Azure Front Door service tiers?

Answer 6

The two tiers are Standard and Premium. Premium includes advanced security features like WAF, Bot Protection, and integration with private endpoints.

Question 7

What kind of routing methods are available in Azure Front Door?

Answer 7

Azure Front Door offers latency-based routing, priority-based routing, and weighted round-robin routing.

Question 8

How does Azure Front Door support disaster recovery (DR)?

Answer 8

Azure Front Door supports DR through global load balancing and failover across multiple regions.

Question 9

What security features does Azure Front Door offer?

Answer 9

Security features include TLS termination, WAF, DDoS protection, and integration with Azure Private Link.

Question 10

How does Azure Front Door integrate with Azure Entra ID for RBAC?

Answer 10

Azure Front Door integrates with Azure Entra ID, enabling role-based access control (RBAC) for managing access to resources.

Question 11

How does Azure Front Door improve application availability?

Answer 11

Azure Front Door improves availability by providing global load balancing, automatic failover, and health probes to monitor endpoint health.

Question 12

What is the benefit of using Azure Front Door for global applications?

Answer 12

Azure Front Door provides low latency and high availability for global applications by routing traffic to the nearest regional endpoint.

Question 13

What is session affinity in Azure Front Door?

Answer 13

Session affinity, also called cookie-based affinity, ensures that client requests are routed to the same backend during a session.

Question 14

How does Azure Front Door handle SSL termination?

Answer 14

Azure Front Door supports SSL/TLS termination at the edge, reducing load on backend servers.

Question 15

How does Azure Front Door ensure security for backend services?

Answer 15

Azure Front Door integrates with Azure Private Link to securely connect to private backend services.

Question 16

What is the role of health probes in Azure Front Door?

Answer 16

Health probes monitor backend endpoints for availability and help Azure Front Door to route traffic only to healthy endpoints.

Question 17

What is the role of URL-based routing in Azure Front Door?

Answer 17

URL-based routing directs client requests to different backend pools based on the URL path, improving application efficiency.

Question 18

How does Azure Front Door integrate with Azure Traffic Manager?

Answer 18

Azure Front Door can work alongside Azure Traffic Manager to combine Layer 7 and DNS-based traffic management.

Question 19

What disaster recovery options does Azure Front Door support?

Answer 19

Azure Front Door supports DR through multi-region failover and automatic rerouting of traffic to available regions.

Question 20

How does Azure Front Door handle DDoS attacks?

Answer 20

Azure Front Door offers built-in DDoS protection by distributing traffic globally and absorbing large-scale attacks.

Question 21

What is the difference between Azure Front Door Standard and Premium tiers?

Answer 21

Premium tier includes advanced security features like WAF policies, Bot Protection, and private link integration, while Standard offers core CDN and routing capabilities.

Question 22

How does Azure Front Door improve application performance?

Answer 22

Azure Front Door accelerates application performance by routing traffic to the nearest regional backend, reducing latency.

Question 23

What is the importance of Azure Front Door’s multi-region deployment?

Answer 23

Multi-region deployment ensures high availability and business continuity by automatically failing over to healthy regions.

Question 24

How does Azure Front Door integrate with Azure CDN?

Answer 24

Azure Front Door integrates with Azure CDN to provide content delivery acceleration and enhanced web security features.

Question 25

What type of applications benefit most from Azure Front Door?

Answer 25

Global applications with users in multiple regions, requiring low latency and high availability, benefit the most.

Question 26

What governance features are available in Azure Front Door?

Answer 26

Governance features include RBAC via Azure Entra ID, policy management, and monitoring through Azure Monitor and Log Analytics.

Question 27

How can you monitor Azure Front Door traffic?

Answer 27

Azure Front Door traffic can be monitored using Azure Monitor, Log Analytics, and Metrics for insights into performance and availability.

Question 28

What is WAF policy in Azure Front Door?

Answer 28

WAF policy allows for custom rules and managed rule sets to protect web applications from common threats like OWASP Top 10.

Question 29

How does Azure Front Door handle bot protection?

Answer 29

Azure Front Door Premium tier includes bot protection to identify and block malicious bots from accessing applications.

Question 30

What are routing rules in Azure Front Door?

Answer 30

Routing rules define how traffic is routed from the front-end host to the backend pool based on conditions like URL path and HTTP headers.

Question 31

What kind of SSL/TLS support does Azure Front Door offer?

Answer 31

Azure Front Door provides full SSL/TLS support, including automatic certificate management and HTTPS-only traffic enforcement.

Question 32

How does Azure Front Door provide scalability?

Answer 32

Azure Front Door provides global scalability by distributing traffic across multiple backend servers and regions.

Question 33

What is path-based routing in Azure Front Door?

Answer 33

Path-based routing allows different parts of the URL path to be routed to different backend pools.

Question 34

What is the role of backend pools in Azure Front Door?

Answer 34

Backend pools group multiple backend endpoints, allowing Azure Front Door to distribute traffic and ensure availability.

Question 35

How does Azure Front Door integrate with Azure Virtual Network?

Answer 35

Azure Front Door Premium integrates with Azure Virtual Network using Private Link to securely connect to backend services.

Question 36

How does Azure Front Door enhance security with Azure Private Link?

Answer 36

Azure Private Link in Front Door Premium allows for secure connections to private backend services, preventing data exposure to the public internet.

Question 37

How does Azure Front Door support zero-downtime deployments?

Answer 37

Azure Front Door supports zero-downtime deployments by routing traffic to healthy backends while updates are being applied.

Question 38

What are custom domains in Azure Front Door?

Answer 38

Custom domains allow you to map your Front Door configuration to a user-friendly domain name, enhancing brand visibility.

Question 39

How can Azure Front Door improve the security of APIs?

Answer 39

Azure Front Door can protect APIs using WAF rules, DDoS protection, and rate-limiting to prevent abuse.

Question 40

What integration options does Azure Front Door offer?

Answer 40

Azure Front Door integrates with services like Azure App Service, Azure Kubernetes Service, and third-party origins for flexible application delivery.

Question 41

How does Azure Front Door handle global load balancing?

Answer 41

Azure Front Door globally balances traffic by routing requests to the nearest healthy backend endpoint, improving performance.

Question 42

What is the purpose of backend health monitoring in Azure Front Door?

Answer 42

Backend health monitoring ensures traffic is routed only to available backends, improving availability and performance.

Question 43

What are backend pools in Azure Front Door?

Answer 43

Backend pools are a collection of backend servers to which Azure Front Door routes traffic based on routing rules.

Question 44

How does Azure Front Door improve content delivery?

Answer 44

Azure Front Door improves content delivery by caching content at global edge locations, reducing latency for end-users.

Question 45

What role does RBAC play in managing Azure Front Door?

Answer 45

RBAC ensures that access to Azure Front Door resources is controlled and managed using roles in Azure Entra ID.

Question 46

Does Azure Front Door support IPv6?

Answer 46

Yes, Azure Front Door supports IPv4 and IPv6, ensuring broad compatibility and future-proofing for network access.

Question 47

Explain how Azure Front Door works?

Answer 47

Azure Front Door uses edge node and anycast IP to create endpoints close to the user, Azure Front Door can terminate layer 7 using split TCP for improved performance, it alos provides dynamic and static content caching

Question 48

Explain an origan group?

Answer 48

An Azure Front Door origin group is a collection of backend services (origins) that serve traffic based on load balancing and health checks. It supports multiple routing strategies like priority-based or weighted distribution and provides failover for high availability. Health probes monitor the origins to ensure reliability.

Question 49

When using Azure Front Door standard tier, can I have DDOS?

Answer 49

No, it is a premium feature

Question 50

When using Azure Front Door premium, is WAF a premium or standard tier capability?

Answer 50

It is a premium feature

Question 51

Can I have a Private Link when using the Azure Front Door standard tier?

Answer 51

It is a premium feature.

Question 52

What types of caching are supported?

Answer 52

1. Query string

Question 53

I am concerned about managing Certificates for Azure Front Door; how can I automatically renew certificates and quickly provide secure certificate management?

Answer 53

For Azure Front Door Standard, managed identities are used with Azure Key Vault to securely handle TLS/SSL certificates without needing to manage secrets directly.

Question 54

For Azure Front Door, how can I get automatic advice for the service?

Answer 54

Azure Front Door integrates with Azure Advisor