Azure Networking Flashcards

Which Azure load balancing option provides health probing and distributes traffic at Layer 4 within a region with support for HA Ports?

Answer: Azure Standard Load Balancer

Azure Standard Load Balancer operates at Layer 4 with support for HA ports, zone redundancy, and outbound rules for internet-bound traffic.

What is the purpose of Azure Private DNS Zones?

Answer: Resolve custom domain names privately within VNets without exposing DNS to the internet

Azure Private DNS Zones provide name resolution for resources within Azure VNets using custom domain names that are not resolvable from the public internet.

Which feature of Azure Virtual WAN simplifies hub-and-spoke networking at global scale?

Answer: Managed virtual hubs with automated routing

Azure Virtual WAN uses managed virtual hubs that automate routing configuration, enabling full-mesh connectivity between branches, VNets, and Azure services.

What is the purpose of the 'effective routes' view in the Azure portal for a VM's NIC?

Answer: Displays the combined result of all system routes, UDRs, and BGP routes applied to the NIC

The effective routes view shows the final routing table as seen by the NIC, combining system routes, user-defined routes, and BGP-learned routes.

Which Azure networking service performs DNS-based global traffic distribution and supports geographic, weighted, and priority routing methods?

Answer: Azure Traffic Manager

Azure Traffic Manager uses DNS to route users to the most appropriate endpoint based on routing methods like geographic, performance, weighted, or priority.

In Azure, what is the purpose of a NAT Gateway?

Answer: Enables outbound internet connectivity for VNet resources without exposing them with public IPs

Azure NAT Gateway provides scalable, reliable outbound internet connectivity for subnet resources using a pool of static public IP addresses.