156-915.80 Kernel Practice Questions
The free 156-915.80: CCSE Update R80 questions that deal with kernel, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #2
Full synchronization between cluster members is handled by Firewall Kernel. Which port is used for this?
Correct answer: D
Explanation
Full synchronization transfers the complete kernel tables and runs over an encrypted TCP connection on port 256 (handled by fwd). Delta sync uses UDP port 8116, and port 265 is unrelated to sync.
Question #9
The Firewall kernel is replicated multiple times, therefore:
Correct answer: D
Explanation
On a Security Gateway with CoreXL enabled, the Firewall kernel is replicated multiple times. Each replicated copy, or instance, runs on one processing core. These instances handle traffic concurrently, and each instance is a complete and independent inspection kernel. When CoreXL is enabled, all the kernel instances in the Security Gateway process traffic through the same interfaces and apply the same security policy.
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