A secure communication link needs to be configured between data centers via the internet. The data centers are located in different regions. Which of the following is the best protocol for the network administrator to use?
DCI isn’t a protocol. GRE and VXLAN are tunneling/overlay protocols but lack native encryption, requiring additional security layers (IPSec) to be secure.
IPSec directly addresses security with encryption and authentication, making it a standard choice for site-to-site VPNs over the internet. It can also encapsulate other protocols if needed, but as a standalone solution, it meets the requirement for secure communication.
D. IPSec
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AriGarcia
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