NSE 7 – SD-WAN 6.4 — Question 4

Which two interfaces are considered overlay links? (Choose two.)

Answer options

• A. IPsec
• B. Physical
• C. LAG
• D. GRE

Correct answer: A, D

Explanation

IPsec and GRE are both protocols used to create secure tunnels for data transmission, making them overlay links. In contrast, Physical and LAG are not considered overlay interfaces as they pertain to the physical layer connections and link aggregation, respectively.