4.3 Flashcards
What is Azure Application Gateway
Routes Applications resources to a backend pool.
a type of load balancer that can manage traffic for web applications.
Azure application gateway offers additional feature such as SSL/TLS
What is Azure Load Balancer
fully managed load-balancing service, which is used to distribute inbound traffic across a pool fo back-end servers running in an azure virtual network. Can recieve traffic on either internet-facing or intranet facing endpoints and supports both UDP and TCP traffic. Operates at layer 4
What does Azure Load Balancer use for Automatic failover
health probes
What are the Azure load balance tiers
basic
Standard
What is the basic Azure Load Balancer tier
Does not support availability zones.
Supports up to 300 backend servers.
VMs must be in the same availability set or a single VM Scale SEt
Describe Standard Azure Load balancer tier
Supports Zone-specific or zone-redundant deployments. including cross-zone load-balancing. Up to 1000 servers any mix of VMs availability sets, and VM scale sets in the same VNET. Supports TCP, HTTP, and HTTPS health probes
What is needed for a load balancer to support multiple frontend IP configurations
They have to be used with IaaS VMS
Describe the health probes supported by Azure Load Balancer
TCP –
HTTP
GTTPS
what is the minimum probe interval and minimum consecutive prove failure threshold
five second probe and 2 second failure
What does configuring a dedicated health check page do
enables each background server to implement custom application logic to decide whether it is healthy
What is Floating IP setting in Load balancer used for
for a SQL server always on availability group listener
What does Log Analytics Workspace do
Destination for Azure Load Balancer Diagnostics that allows KQL queries to be run directly from Azure portal
