Understand the crucial distinctions between inline traffic interrogation and traffic mirroring for effective network security analysis. Explore how each approach handles data packets and impacts network performance.
Table of Contents
Question
What is the difference between inline traffic interrogation and traffic mirroring?
A. Inline replicates the traffic to preserve integrity rather than modifying packets before sending them to other analysis tools.
B. Traffic mirroring results in faster traffic analysis and inline is considerably slower due to latency.
C. Inline interrogation is less complex as traffic mirroring applies additional tags to data.
D. Traffic mirroring copies the traffic rather than forwarding it directly to the analysis tools.
Answer
D. Traffic mirroring copies the traffic rather than forwarding it directly to the analysis tools.
Explanation
Inline traffic interrogation and traffic mirroring are two distinct approaches to analyzing network traffic for security purposes. The key difference lies in how each method handles the data packets.
Inline traffic interrogation involves placing the security analysis tools directly in the path of the network traffic. The packets are sent to the analysis tools, processed, and then forwarded to their intended destination. This allows for real-time analysis and the ability to immediately block or modify malicious traffic.
In contrast, traffic mirroring creates a copy of the network traffic and sends that copy to the analysis tools. The original traffic continues to its destination unimpeded. This approach allows for detailed analysis without introducing latency or potential packet modification. However, because it’s a copy, the analysis occurs post-factum and doesn’t allow for real-time intervention.
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