The correct answer is C. HTTPS Inspection must be deployed carefully because some encrypted services, especially software-update services, certificate-pinning applications, financial sites, healthcare portals, or privacy-sensitive services, may fail or should not be decrypted. The Bypass Allow List is used to bypass selected HTTPS connections from inspection. Option A is wrong because Fail Mode defines how traffic is handled when inspection fails; it does not define a curated bypass list for known services. Option B is wrong because Categorization Mode classifies HTTPS traffic based on available metadata such as domain/certificate information; it is not the allow-list mechanism for bypassing software updates. Option D is incorrect because certificate blocking is about certificate validation or blocking behavior, not bypassing trusted software-update destinations. Correct HTTPS Inspection policy design normally places bypass rules or allow-list exceptions above broader inspection rules so sensitive or incompatible traffic avoids decryption while other traffic remains inspected. Reference topics: HTTPS Inspection, bypass rules, software update bypass, encrypted traffic policy design.