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Huawei HCIP-Security V4.0 Sample Questions (Q39-Q44):

NEW QUESTION # 39
Match the HTTP control items with the corresponding descriptions.

Answer:

Explanation:

Explanation:
A screenshot of a computer error message AI-generated content may be incorrect.

POST # Sending Information to the Server
* ThePOST methodin HTTP is used to send data to a web server.
* Examples include:
* Submitting login credentials.
* Posting comments or messages on a forum.
* Uploading files via web applications.
* UnlikeGET, POSThides sensitive information in the request body, making it more secure for transmitting login credentials or personal data.
Internet Access Using a Proxy # Firewall Deployment for Proxy Access
* Aproxy serverallows users toaccess the internet through a controlled gateway.
* To enforce security policies, afirewall must be deployed between the intranet and the proxy server.
* Proxies are used for:
* Content filtering(blocking unwanted websites).
* Access control(restricting web usage based on user roles).
* Anonymization(hiding the user's original IP address).
File Upload/Download Size # Controlling Upload Limits
* Firewalls and security devicescan restrict file upload/download sizesto:
* Prevent excessive bandwidth usage.
* Block potentially malicious file uploads.
* Alert and Block Thresholds:
* Alert threshold:Logs a warning if a file exceeds a specific size.
* Block threshold:Prevents files larger than the configured limit from being uploaded or downloaded.

NEW QUESTION # 40
Which of the following statements is false about hot standby networking?(Select All that Apply)

A. In active/standby mode, configuration commands and status information are backed up from the active device to the standby device.
B. In load-sharing mode, both devices process traffic. Therefore, this mode supports more peak traffic than the active/standby or mirroring mode.
C. In load-sharing mode, both firewalls are active. Therefore, if both firewalls synchronize commands to each other, commands may be overwritten or conflict with each other.
D. In load-sharing mode, configuration commands can be backed up only from the configuration standby device to the configuration active device.

Answer: C,D

Explanation:
Comprehensive and Detailed Explanation:
* Hot standby networkingensureshigh availabilityby keeping a backup firewall ready in case of failure.
* Two main modes exist:
* Active/Standby Mode# One firewall is active, and the other remains standby. Configuration is synchronized fromactive # standby.
* Load-Sharing Mode# Both firewallsprocess traffic simultaneously, improving performance.
* Why is A false?
* InLoad-Sharing Mode, both firewalls are active, butconfiguration synchronization does not cause conflicts. Instead, the firewalls synchronize states properly.
* Why is D false?
* InLoad-Sharing Mode, configuration is always synchronizedfrom the active firewall to the standby firewall, not the other way around.
HCIP-Security References:
* Huawei HCIP-Security Guide # Hot Standby Configuration
* Huawei USG Firewalls High Availability Guide

NEW QUESTION # 41
The difference between DoS attacks and DDoS attacks is that DoS attacks are usually directly initiated by attackers, whereas DDoS attacks are usually initiated by attackers controlling multiple zombies.

A. TRUE
B. FALSE

Answer: A

Explanation:
Comprehensive and Detailed Explanation:
* DoS (Denial-of-Service)# A single attacker sends excessive traffic to a target.
* DDoS (Distributed Denial-of-Service)# Uses multiple compromised devices (zombies or botnets) to amplify the attack.
* Why is this statement true?
* DDoS attacks originate from multiple sources (botnets), unlike DoS attacks.
HCIP-Security References:
* Huawei HCIP-Security Guide # DoS vs. DDoS Attacks

NEW QUESTION # 42
Which of the following statements are true about SYN scanning attacks?(Select All that Apply)

A. If the peer end does not respond to the SYN packet sent by the scanner, the peer host does not exist, or filtering is performed on the network or host.
B. When the scanner sends a SYN packet, a SYN-ACK response indicates an open port.
C. When the scanner sends a SYN packet, an RST response indicates a closed port.
D. When the scanner sends a SYN packet, if the peer end responds with a SYN-ACK packet, the scanner then responds with an ACK packet to complete the three-way handshake.

Answer: A,B,C

Explanation:
Comprehensive and Detailed Explanation:
* SYN scanning is a stealthy technique used to identify open ports on a target system without fully establishing a TCP connection.
* How SYN scanning works:
* The scanner sends aSYN packetto the target port.
* The target responds based on the port state:
* SYN-ACK # Port is open(Correct - D).
* RST # Port is closed(Correct - A).
* No response # The host does not exist, or a firewall is blocking it(Correct - B).
* The scanner doesnot send an ACK(unlike a full TCP connection). Instead, it sends anRSTto avoid detection.
* Why is C incorrect?
* In SYN scanning, the scanner does NOT send an ACK to complete thehandshake. Instead, it sends an RST to abort the connection.
HCIP-Security References:
* Huawei HCIP-Security Guide # SYN Scanning Techniques

NEW QUESTION # 43
In the figure, if 802.1X authentication is used for wired users on the network, the network admission device and terminals must be connected through a Layer 2 network.

Options:

A. TRUE
B. FALSE

Answer: A

Explanation:
Understanding 802.1X Authentication in Wired Networks:
* 802.1X is a port-based network access control (PNAC) protocolthat requires aLayer 2 connection between thesupplicant (PC), the authenticator (switch), and the authentication server (e.g., RADIUS server).
* In wired networks,802.1X authentication occurs at the Ethernet switch (Layer 2 device), which enforces authenticationbefore allowing network access.
Why Must the Network Be Layer 2?
* 802.1X authentication operates at Layer 2 (Data Link Layer) before any IP-based communication (Layer 3) occurs.
* If the authentication device and user terminal were on different Layer 3 networks, the authentication packets (EAPOL - Extensible Authentication Protocol Over LAN)would not be forwarded.
* In the figure, the authentication control point is at theaggregation switch, which means thePC and switch must be in the same Layer 2 domain.
Components of 802.1X Authentication in the Figure:
* Supplicant (PC)# The device requesting network access.
* Authenticator (Aggregation Switch)# The switch controlling access to the network based on authentication results.
* Authentication Server (iMaster NCE-Campus & AD Server)# Verifies user credentials and grants or denies access.
* Layer 2 Connectivity Requirement# ThePC must be in the same Layer 2 networkas the Authenticatorto communicate via EAPOL.
Why "TRUE" is the Correct answer:
* 802.1X authentication is performed before IP addresses are assigned, meaning it can only operate in a Layer 2 network.
* EAPOL (Extensible Authentication Protocol Over LAN) messages are not routableand must stay within a single Layer 2 broadcast domain.
* In enterprise networks,VLAN-based 802.1X authentication is often used, where authenticated users are assigned to a specific VLAN.
HCIP-Security References:
* Huawei HCIP-Security Guide# 802.1X Authentication in Enterprise Networks
* Huawei iMaster NCE-Campus Documentation# Authentication Control and NAC Deployment
* IEEE 802.1X Standard Documentation# Layer 2 Network Authentication

NEW QUESTION # 44
......

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