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| Section | Weight | Objectives |
|---|---|---|
| Multicast Technologies | 9% | - PIM protocol - Multicast basic concepts - IGMP protocol |
| Routing Basics | 3% | - Routing table composition and selection rules - Routing concepts and classification |
| BGP Fundamentals | 17% | - BGP configuration and policy application - BGP route attributes and selection - BGP characteristics and working principles |
| Network Reliability | 7% | - BFD technology - VRRP protocol - Device redundancy and link backup |
| Network Solutions and Design | 5% | - Enterprise network design principles - Typical network architecture and solution |
| Network Service and Management | 5% | - Network management and monitoring - DHCP and DNS services |
| WLAN Basics | 2% | - WLAN deployment and optimization - WLAN technology principles |
| OSPF Fundamentals | 16% | - OSPF principles and operation mechanisms - OSPF configuration and optimization - OSPF special applications and troubleshooting |
| IPv6 Technologies | 3% | - IPv6 routing protocols - IPv6 address structure and configuration |
| Network Security | 8% | - ACL and packet filtering - Attack defense and security policy - AAA authentication |
| Ethernet Switching Technologies | 7% | - Spanning Tree Protocol - Link aggregation and stack technology - VLAN principles and configuration |
| Routing and Traffic Control | 10% | - Route import and redistribution - Policy-based routing - Routing policy and filtering |
| IS-IS Fundamentals | 8% | - IS-IS configuration and deployment - IS-IS protocol principles |
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Latest Huawei H12-821_V1.0 Dumps are here to help you to pass your Huawei Certification exam with Getcertkey' valid, real, and updated H12-821_V1.0 Exam Questions with passing guarantee. The Huawei H12-821_V1.0 certification is a valuable certificate that is designed to advance the professional career. With the HCIP-Datacom-Core Technology V1.0 (H12-821_V1.0) certification exam seasonal professionals and beginners get an opportunity to demonstrate their expertise. The HCIP-Datacom-Core Technology V1.0 exam recognizes successful candidates in the market and provides solid proof of their expertise.
NEW QUESTION # 91
Which of the following is the multicast destination address of the Hello message in PIM?
Answer: A
NEW QUESTION # 92
To overcome the disadvantages of STP, RSTP changes the format of configuration BPDUs. Which of the following fields in STP BPDUs is used to specify the port role?
Answer: D
Explanation:
Comprehensive and Detailed In-Depth Explanation:
* STP (Spanning Tree Protocol) BPDUs do not contain an explicit port role field. Instead, roles are determined indirectly.
* RSTP (Rapid Spanning Tree Protocol) modifies BPDU structure by using the Flags field to indicate:
* Port roles (Root, Designated, Alternate, Backup)
* Proposal/Agreement (P/A) handshake mechanism
* The correct field that specifies the port role in RSTP BPDUs is Flags.
# Reference: Huawei HCIA-Datacom Study Guide, RSTP BPDU Structure and Flags Field.
NEW QUESTION # 93
GRE is a VPN technology that can implement packet transmission over heterogeneous networks. Which of the following statements are true about GRE?
Answer: A,C
Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
1. What is GRE (Generic Routing Encapsulation)?
GRE is a tunneling protocol that allows the encapsulation of various types of packets (e.g., IPv4, IPv6, multicast, etc.) to be transmitted over another protocol (e.g., IP).
GRE is used to create point-to-point connections over heterogeneous networks.
2. Analysis of Each Option:
Option A: GRE is a Layer 2 VPN encapsulation technology.
Incorrect.
GRE operates at Layer 3 (Network Layer) and encapsulates Layer 3 packets. It is not a Layer 2 VPN encapsulation technology like MPLS or Ethernet-over-IP.
Option B: GRE enables encapsulated data packets to be transmitted over another network layer protocol, but cannot encapsulate multicast data.
Incorrect.
GRE supports the encapsulation and transmission of multicast data packets. This is one of its key features, making it suitable for protocols like OSPF and multicast applications.
Option C: GRE tunnels can work with IPsec to ensure the security of multicast services such as voice and video.
Correct.
GRE by itself does not provide encryption or security. However, GRE can work with IPsec to secure the encapsulated traffic, including multicast data, for services like voice and video.
Option D: GRE tunnels can extend the working range of network protocols with hop limits.
Correct.
GRE encapsulates packets, effectively resetting their hop limits and allowing protocols with limited hop counts (e.g., RIP) to work over larger networks.
3. Summary:
The correct options areCandD.
Reference:
Huawei HCIA-Datacom Study Guide, Chapter "GRE Tunnel Technology."
RFC 2784: Generic Routing Encapsulation (GRE).
NEW QUESTION # 94
BFD for OSPF is deployed on a directly connected link. If the physical link is disconnected, drag the following BFD processes to the corresponding sequence numbers.
Answer:
Explanation:
Link fault alarm
The BFD session goes down.
Interrupted OSPF neighbor relationship
NEW QUESTION # 95
Which of the following options are available for the network type supported by the OSPF protocol? (Multiple choice)
Answer: A,B,C,D
NEW QUESTION # 96
......
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