Exam AZ-104 topic 5 question 8 discussion

The given answer is correct: B - HA ports need are not supported by a basic loadbalancer C - You need a floating ip for the active-active configuration to switch over quickly F - You need 2 backend pools for the 2 different services

The Answer is not correct. It should be BDE. Why? - Basically we are just want to load balance the NVM , that's all. So, we will need HA ports for HA and failover. But since we don't want to balance the services themselves , so we go with disabled IP floating and one backend service for NVM. check https://docs.microsoft.com/en-us/azure/load-balancer/load-balancer-ha-ports-overview#a-single-non-floating-ip-non-direct-server-return-ha-ports-configuration-on-an-internal-standard-load-balancer However, if we need to also Load Balance the production two services using the same LB, then we would need Floating IP and also another backend pool for those 2 services. then the answer would be BCF. But the question here, can LB send balance traffic to those production services. I think it can by using the health probe and some monitoring to balance the requests sent to IPs.

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just a good guess LOL, OMG how many things do I need to know for this test. Just kill me quickly!

BCF are correct

B. Deploy a standard load balancer A standard load balancer is required for more advanced features, such as high availability, support for NVAs, and failover between multiple virtual appliances. A basic load balancer does not meet these requirements, so this is the correct choice. C. Add two load balancing rules that have HA Ports and Floating IP enabled HA Ports are needed to ensure that the load balancer can forward traffic across all ports and support the active-active configuration. Floating IP allows the same IP to float between the NVAs, enabling failover and distribution of traffic efficiently between them. E. Add a frontend IP configuration, a backend pool, and a health probe You need a frontend IP configuration to receive incoming traffic, a backend pool to send the traffic to the NVAs, and a health probe to check the health of the NVAs to ensure failover and load balancing work as expected.

B. C, F Deploy a standard load balancer: A standard load balancer is required to meet the requirements for high availability and performance. A basic load balancer would not support all needed features, such as multiple backend pools and advanced health probes. Add two load balancing rules that have HA Ports and Floating IP enabled: HA Ports are necessary to ensure that the load balancer can handle all ports and provide high availability. Floating IP is required for the active-active configuration and automatic failover between the NVAs. Add a frontend IP configuration, two backend pools, and a health probe: A frontend IP configuration is needed to accept incoming traffic. Two backend pools are necessary because you need to balance traffic to two services with different IP addresses on the Production subnet. A health probe is essential to monitor the health of the NVAs and ensure traffic is only sent to healthy instances.

The question is itself wrog. Using HA Ports Enabled force a one to one match between frontend IP address and load balancing rules, so it's not possibile to have 2 load balancing rules with HA enabled and only 1 frontend ip configuration. Tested in Lab.

BDE is the answer

B, C and F

B. Deploy a standard load balancer - This is necessary for HA Ports and also supports the active-active configuration. C. Add two load balancing rules that have HA Ports and Floating IP enabled - Since we're considering a high-availability scenario, HA Ports will facilitate this, and the Floating IP enables the NVAs to maintain the same IP address during failovers. E. Add a frontend IP configuration, a backend pool, and a health probe - These are essential components of a load balancer configuration; the frontend IP configuration is the entry point for the traffic, the backend pool contains the NVAs, and the health probe monitors their health for failover capabilities. Reference: https://docs.microsoft.com/en-us/azure/load-balancer/load-balancer-ha-ports-overview

This question was in exam 01/03/2024

Answer is correct

Common examples of port reuse include clustering for high availability, network virtual appliances, and exposing multiple TLS endpoints without re-encryption. https://learn.microsoft.com/en-us/azure/load-balancer/load-balancer-floating-ip

https://learn.microsoft.com/en-us/azure/load-balancer/load-balancer-ha-ports-overview Multiple HA-ports configurations on an internal standard load balancer To configure more than one HA port frontend for the same backend pool, use the following steps: 1- Configure more than one front-end private IP address for a single internal standard load balancer resource. 2- Configure multiple load-balancing rules, where each rule has a single unique front-end IP address selected. 3- Select the HA ports option, and then set Floating IP to Enabled for all the load-balancing rules.

Common examples of port reuse include clustering for high availability, network virtual appliances, and exposing multiple TLS endpoints without re-encryption.

https://learn.microsoft.com/en-us/azure/load-balancer/load-balancer-ha-ports-overview Multiple HA-ports configurations on an internal standard load balancer To configure more than one HA port frontend for the same backend pool, use the following steps: 1- Configure more than one front-end private IP address for a single internal standard load balancer resource. 2- Configure multiple load-balancing rules, where each rule has a single unique front-end IP address selected. 3- Select the HA ports option, and then set Floating IP to Enabled for all the load-balancing rules.