The types of VPN communities are Meshed, Star, and Combination. A Meshed community is a group of Security Gateways that have VPN connections between every pair of members. A Star community has one Security Gateway as the center and other Security Gateways or hosts as satellites. A Combination community is a group of Meshed and Star communities. [Check Point R81 Site-to-Site VPN Administration Guide]

A firewall can NOT prevent a network bandwidth saturation attack, which is a type of denial-of-service (DoS) attack that aims to consume all the available bandwidth of a target network or device1, p. 9.A firewall can prevent other types of attacks, such as buffer overflow, SYN flood, and SQL injection, by inspecting packets and applying security rules2, p. 11-12. Check Point CCSA - R81: Practice Test & Explanation,156-315.81 Checkpoint Exam Info and Free Practice Test

The correct answer is D. Identity Collector is the Identity Awareness component that can collect identity information from multiple external identity infrastructure sources, including Microsoft Active Directory Domain Controllers, Cisco Identity Services Engine, NetIQ eDirectory, and Syslog-based sources depending on deployment. Option A is wrong because the Identity Agent for a user endpoint computer is installed on endpoints and reports identity from that endpoint context. Options B and C are Terminal Server agent options used in multi-user terminal server/Citrix-style environments; they solve a different problem where many users share the same server IP address. Identity Collector is designed for centralized, high-volume identity acquisition from identity infrastructure, which is why it is the correct answer when Cisco ISE and NetIQ eDirectory are included. Reference topics: Identity Awareness, Identity Collector, identity sources, Active Directory, Cisco ISE, NetIQ eDirectory.

The Sticky Decision Function (SDF) is required to preventfailovrsin an ctive-Active cluster. The SDF ensures that the same cluster member handles all connections that belong to a certain session.If the SDF is not enabled, different cluster members may handle different connections of the same session, which may cause a failover or a drop12. ClusterXL Administration Guide R81,Check Point CCSA - R81: Practice Test & Explanation

The correct answer is B. Per connection logging generates a log entry for each connection in a session, while per session logging reduces log volume by generating one log for the overall session. This distinction matters in high-volume environments because connection-level logging can provide granular visibility but increases log volume and indexing/storage load. Session-level logging is more efficient but provides less per-connection detail. Option A is incorrect because the concept is not limited to only URL Filtering in the manner stated. Option C is unrelated and confuses application identification and Content Awareness with the log-generation mode. Option D reverses the meaning. Administrators choose tracking/log behavior based on investigation requirements, compliance needs, and performance
/storage considerations. For ordinary access rules, per-session logging may be sufficient; for sensitive or heavily investigated traffic, per-connection logging may be preferable. Reference topics: Tracking Options, per-connection logging, per-session logging, SmartConsole Logs & Events.