Refer to exhibit.

When analyzing a pcap file, data encryption can pose a significant challenge in terms of visibility. Encrypted data cannot be easily inspected, which means that the analyst may not be able to view the contents of the network packets to detect suspicious activity.

The answers are based on the general knowledge of host-based firewalls and the challenges faced during the analysis of pcap files in cybersecurity, as outlined in Cisco’s cybersecurity documentation and resources.