When a stateful service is enabled for the first lime on a Tier-0 Gateway, what happens on the NSX Edge node’
A. SR is instantiated and automatically connected with DR.
B. DR Is instantiated and automatically connected with SR.
C. SR and DR Is instantiated but requites manual connection.
D. SR and DR doesn’t need to be connected to provide any stateful services.
Answer: A
Explanation:
The answer is A. SR is instantiated and automatically connected with DR.
SR stands for Service Router and DR stands for Distributed Router. They are components of the NSX Edge node that provide different functions1
The SR is responsible for providing stateful services such as NAT, firewall, load balancing, VPN, and DHCP. The DR is responsible for providing distributed routing and switching between logical segments and the physical network1
When a stateful service is enabled for the first time on a Tier-0 Gateway, the NSX Edge node automatically creates an SR instance and connects it with the existing DR instance. This allows the stateful service to be applied to the traffic that passes through the SR before reaching the DR2
According to the VMware NSX 4.x Professional Exam Guide, understanding the SR and DR components and their functions is one of the exam objectives3
To learn more about the SR and DR components and how they work on the NSX Edge node, you can refer to the following resources:
– VMware NSX Documentation: NSX Edge Components 1
– VMware NSX 4.x Professional: NSX Edge Architecture
– VMware NSX 4.x Professional: NSX Edge Routing
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