Huawei H12-725_V4.0 Exam With Confidence Using Practice Dumps

Comprehensive and Detailed Explanation:

Authentication-free rules allow unauthenticated users to access essential services before login.

The following traffic must be allowed before authentication:

DNS traffic→ Users need to resolve domain names for the Portal page.

Portal page access→ The captive portal must be reachable.

RADIUS server communication→ Users must authenticate via RADIUS.

Why is this statement true?

Without these authentication-free rules, users would be unable to reach thePortal login page.

HCIP-Security References:

Huawei HCIP-Security Guide → Portal Authentication-Free Rules

Comprehensive and Detailed Explanation:

Nginx logs store detailed HTTP request information, including:

RequestedURLs

ClientIP addresses

Query parameters(which may contain SQL injection attempts)

SQL injection detection using logs:

SuspiciousSQL keywordsin GET/POST requests (e.g., ' OR 1=1 -- or UNION SELECT).

Repeated attack attemptsfrom a single source IP.

Why is this statement true?

Nginx logs provide full request details, enabling engineers to detect SQL injection attempts.

HCIP-Security References:

Huawei HCIP-Security Guide → Web Attack Detection & Log Analysis

Comprehensive and Detailed Explanation:

Firewalls with advanced security features(such asIPS, Antivirus, and File Filtering) candetect and respond to file anomalies.

Actions that can be taken when an anomaly is detected:

A. Alarm→ Generates a log entry and notifies the administrator.

C. Block→ Prevents the file from being transferred.

D. Delete attachment→ Removes malicious attachments from emails.

Why is B incorrect?

Allowing a detected malicious file is not a valid security response.

HCIP-Security References:

Huawei HCIP-Security Guide → File Filtering & IPS Protection