Exam N10-009 Topic 3 Question 288 Discussion

Actual exam question for CompTIA's N10-009 exam
Question #: 288
Topic #: 3
A secure communication link needs to beconfigured between data centers via the internet. The data centers are located in different regions. Which of the following is thebest protocolfor the network administrator to use?

Suggested Answer: D Vote an answer

Comprehensive and Detailed Explanation:
IPSec (Internet Protocol Security)is the best choice forsecure communication over the internet, as it providesencryption, authentication, and data integrity. It is widely used inVPNs and site-to-site secure tunnels.
Breakdown of Options:
* A. DCI (Data Center Interconnect)- A general term forlinking data centers, but it doesn't specify a secure tunneling protocol.
* B. GRE (Generic Routing Encapsulation)- Encapsulates traffic butlacks encryption, making itless secure than IPSec.
* C. VXLAN (Virtual Extensible LAN)- Used forLayer 2 network overlays,not for securing communication over the internet.
* D. IPSec-#Correct answer.Providesencryption, authentication, and integrityfor data over the internet.

by Burgess at Feb 16, 2026, 12:32 AM

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