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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Troubleshooting | 10% | - Network diagnostics - Issue resolution strategies |
| Topic 2: IPv6 Routing | 20% | - OSPFv3/IS-IS for IPv6 - IPv6 static and dynamic routing |
| Topic 3: Network O&M | 7% | - Operation & maintenance best practices - Monitoring and health metrics |
| Topic 4: Advanced Ethernet Technologies | 10% | - VLAN and Ethernet enhancements - MAC/security features |
| Topic 5: MPLS Technologies | 19% | - MPLS LDP and TE - MPLS VPN basics |
| Topic 6: Advanced BGP Features | 10% | - Route reflector and attributes - BGP policy controls |
| Topic 7: Network Cutover | 7% | - Migration planning techniques - Rollback procedures |
| Topic 8: Advanced IGP Features | 17% | - IS-IS advanced optimisations - OSPF advanced capabilities |
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NEW QUESTION # 62
Each OSPFv3 router generates a Link-LSA for each link. A Link-LSA describes information such as the link-local address, IPv6 address prefix, and port number associated with the link, and provides the link options to be set in the Network-LSA. It is transmitted only on the link.
Answer: A
Explanation:
Yes, this is true. In OSPFv3:
* Each router generates one Link-LSA per link .
* The Link-LSA contains:
* The router ' s link-local address
* IPv6 prefixes associated with the interface
* Options that are advertised to neighbors on the same link
* It is not flooded throughout the OSPF area ; it is only sent on the local link (similar to a Hello packet ' s behavior).
# Official Reference from Huawei:
" Each router sends a Link-LSA on every attached link. This LSA is not flooded beyond the link and includes link-local address, prefix list, and interface options. "
- [Huawei HCIA-Datacom OSPFv3 Chapter - LSA Types]
NEW QUESTION # 63
IPSG is a source IP address filtering technology based on the three-layer interface. It can prevent malicious hosts from forging the IP addresses of legitimate hosts to impersonate legitimate hosts to access legitimate network resources.
Answer: B
NEW QUESTION # 64
In a BGP Confederation deployment within a large AS, which statement is correct?
Answer: A
NEW QUESTION # 65
As shown below:
IR2] ad 2000
[R2-ad-basic-2000]rule deny
[R2-ad-basic-2000]quit
#
[R2] ospf
[R2-ospf-1]area 1
[R2-ospM-area-0.0.0.1] filter 2000 import
[R2-ospf-1-area-0.0.0,1] quit
[R2-ospf-1] default-route-advertise always
Answer: B
NEW QUESTION # 66
As shown in the figure, an administrator enables port isolation on the switch's interfaces connected to terminals.
In this scenario, which of the following IP addresses cannot be pinged from PC1?
Answer: A,C
Explanation:
Comprehensive and Detailed In-Depth Explanation:
Understanding Port Isolation in the Network
* Network Setup Details:
* The switch is Layer 3, with VLANIF10 configured as 10.1.1.1/24 (gateway for all PCs).
* All PCs are in VLAN 10 and use 10.1.1.1 as the default gateway.
* Port isolation is enabled on switch interfaces, dividing them into two groups:
* Group 1 (PC1 & PC2): GigabitEthernet0/0/1 and GigabitEthernet0/0/2
* Group 2 (PC3 & PC4): GigabitEthernet0/0/3 and GigabitEthernet0/0/4
* Port Isolation Behavior:
* Ports within the same isolation group CAN communicate with each other.
* Ports from different isolation groups CANNOT communicate directly.
* All devices CAN still communicate with the L3 switch (10.1.1.1), which acts as the gateway.
Ping Analysis from PC1 (10.1.1.2)
Destination IP
Device
Connected Port
Isolation Group
Ping Result from PC1
10.1.1.3
PC2
GigabitEthernet0/0/2
Group 1
# Can Ping
10.1.1.4
PC3
GigabitEthernet0/0/3
Group 2
# Cannot Ping
10.1.1.5
PC4
GigabitEthernet0/0/4
Group 2
# Cannot Ping
10.1.1.1
L3 Switch (Gateway)
N/A
Not Isolated
# Can Ping
Which IPs Cannot be Pinged from PC1?
* PC3 (10.1.1.4) and PC4 (10.1.1.5) are in a different isolation group (Group 2), so PC1 cannot reach them directly.
* PC2 (10.1.1.3) is in the same isolation group (Group 1), so PC1 can ping it.
* PC1 can ping the gateway (10.1.1.1) because the switch is Layer 3 and forwards traffic.
Thus, the correct answers are: A. 10.1.1.3 and D. 10.1.1.4.
Final Conclusion:
# PC1 CAN ping:
* 10.1.1.3 (PC2, same isolation group)
* 10.1.1.1 (Gateway, L3 Switch)
# PC1 CANNOT ping:
* 10.1.1.4 (PC3, different isolation group)
* 10.1.1.5 (PC4, different isolation group)
Thus, the correct answer is: A. 10.1.1.3 and D. 10.1.1.4.
Reference:
HCIP-Datacom-Advanced Routing & Switching Technology V1.0 - Port Isolation and VLAN Behavior Huawei Official HCIP-Datacom Study Guide - Port Isolation and Layer 3 Switch Configuration Huawei Documentation on Port Isolation in VLANs
NEW QUESTION # 67
......
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