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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Troubleshooting | 10% | - Structured troubleshooting processes - Troubleshooting methods |
| Topic 2: Advanced BGP Features | 10% | - Route reflectors - Inter-domain routing optimization - BGP route control - Advanced BGP features |
| Topic 3: Advanced IGP Features | 17% | - Route control - OSPF advanced features - Fast convergence - IS-IS advanced features |
| Topic 4: MPLS Technologies | 19% | - MPLS forwarding - MPLS principles - MPLS configuration - MPLS VPN applications |
| Topic 5: Network O&M | 7% | - Routine maintenance - Data collection |
| Topic 6: Network Cutover | 7% | - Migration process - Basic cutover concepts |
| Topic 7: IPv6 Routing | 20% | - IS-IS for IPv6 - OSPFv3 - IPv6 static routes - BGP4+ |
| Topic 8: Advanced Ethernet Technologies | 10% | - Ethernet security - VLANs |
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NEW QUESTION # 42
As shown in the figure, Client1 and Client2 act as clients of RR1 and RR2 at the same time, and RR1 and RR2 are in the same In a Cluster, R introduces 10 routes. It is assumed that the configuration of B, CP is correct. Neighbor relations have been established Now, how many routing entries exist in the BGP routing table of Client2?
Answer: D
NEW QUESTION # 43
If a network engineer wants to clear the console port login password, which of the following needs to be entered?
Answer: B
Explanation:
The displayed BootLoader main menu assigns number 6 to the following option:
6. Password manager submenu
Therefore, the engineer must enter 6 at the Enter your choice (1-8): prompt to access the password- management functions. Inside that submenu, the engineer then selects the separate Clear the console login password option.
The distinction matters: entering 6 does not itself immediately clear the password; it opens the submenu containing the required recovery operation. The other choices perform unrelated functions:
* 5 opens the file-system submenu.
* 3 opens the Ethernet submenu.
* 4 opens the startup-parameters submenu.
Huawei's documented console-password recovery procedure likewise instructs the administrator to restart the device, access the BootLoader main menu, and enter 6 to access the password manager submenu before selecting the console-password-clearing operation. Huawei console-login password recovery procedure .
NEW QUESTION # 44
On the OSPF network shown in the figure, the cost values of links are marked. OSPF IP FRR is enabled on R1, and the maximum load-balancing 8 command is configured in the OSPF process. If a service passes through the path R1 # R5 # R3 to reach 10.0.3.3/32, which of the following is the backup outbound interface for the service?
Answer: B
Explanation:
Comprehensive and Detailed In-Depth Explanation:
Step 1: Identify the Primary Path
* The shortest OSPF cost to 10.0.3.3/32 from R1 is through R5:
* R1 # R5 (Cost 10) # R3 (Cost 10) = Total Cost 20
* The primary outbound interface from R1 to R5 is GE0/0/1.
Step 2: Identify the Backup Path (OSPF IP FRR & ECMP)
* OSPF IP Fast Reroute (FRR) provides a backup next-hop in case the primary link (R1 # R5) fails.
* A feasible backup path must have a cost equal to or close to the primary path, but it must avoid the same failure point.
Alternative Path Calculation:
* Path 1 (R1 # R2 # R3)
* R1 # R2 (Cost 10), R2 # R3 (Cost 10) # Total Cost = 20 #
* Uses interface GE0/0/2 on R1.
* Path 2 (R1 # R4 # R3)
* R1 # R4 (Cost 10), R4 # R3 (Cost 10) # Total Cost = 20 #
* Uses interface GE0/0/3 on R1.
Final Decision on the Backup Interface
* Since both paths R1 # R2 # R3 and R1 # R4 # R3 have equal costs, either can be used for backup.
* However, R1 # R2 # R3 shares a direct cost path with R5, meaning it may not be preferred as a full FRR backup.
* The best backup outbound interface in this scenario is GE0/0/3 (R1 # R4 # R3).
Final Answer: # C (GE0/0/3)
References:
HCIP-Datacom-Advanced Routing & Switching Technology V1.0 - OSPF IP FRR (Fast Reroute) Mechanism OSPF Equal-Cost Multi-Path (ECMP) and Backup Route Selection OSPF Route Calculation and Best-Path Selection
NEW QUESTION # 45
Which of the following commands must be configured when an administrator enables MPLS LDP on GE0/0
/1 of a device?
Answer: A,B,C,D
Explanation:
Huawei VRP requires MPLS and the Label Distribution Protocol (LDP) to be enabled at both the global and interface levels before dynamic label-switched paths can be established over an interface.
First, the mpls command enables the global MPLS function. Next, mpls ldp enables the global LDP process.
These commands establish the necessary control-plane functionality.
At the interface level, mpls enables MPLS processing on GE0/0/1, and mpls ldp enables LDP neighbor discovery and label distribution through that interface.
All four commands are necessary in the configuration sequence shown in Huawei ' s training material. In a complete deployment, the administrator must also configure an appropriate MPLS LSR ID and ensure IP connectivity between neighboring devices.
Therefore, all four options are correct.
HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Training Material.pdf
NEW QUESTION # 46
On the network shown in the figure, the network administrator configures the DHCP snooping trust function on the switch.
* GE0/0/2 is a trusted interface (connected to the DHCP Server).
* GE0/0/3 is an untrusted interface (potential attacker).
Which of the following statements are true about the two interfaces?
Options:
Answer: A,C
Explanation:
Comprehensive and Detailed In-Depth Explanation:
1. Understanding DHCP Snooping
DHCP Snooping is a security feature that filters untrusted DHCP messages to prevent attacks such as:
* Rogue DHCP servers distributing incorrect IP addresses.
* DHCP starvation attacks.
In DHCP Snooping, switch ports are classified as:
* Trusted Interfaces: Allow both DHCP requests and DHCP responses to pass through.
* Untrusted Interfaces: Allow only DHCP requests but drop DHCP responses (to prevent rogue DHCP servers).
2. Analyzing Each Answer Option
* Option A: "When receiving a DHCP response packet on GE0/0/2, the switch forwards the packet through GE0/0/1."
* Correct.
* GE0/0/2 is a trusted interface (connected to the DHCP server).
* DHCP responses (ACK, NAK, OFFER) come from the DHCP Server.
* Since DHCP responses are allowed on trusted interfaces, the switch forwards them to the client (PC1) via GE0/0/1.
* Option B: "When receiving a DHCP request packet on GE0/0/2, the switch forwards the packet through GE0/0/3."
* Incorrect.
* DHCP requests originate from clients (PC1, attackers, etc.), not from the DHCP server.
* The DHCP request should be forwarded to the DHCP server via a trusted interface (not GE0/0
/3, which is untrusted).
* Option C: "When receiving a DHCP response packet on GE0/0/3, the switch forwards the packet through GE0/0/1."
* Incorrect.
* GE0/0/3 is an untrusted interface (connected to the attacker).
* DHCP responses (ACK, OFFER) from untrusted interfaces are dropped to prevent rogue DHCP attacks.
* The switch will not forward the packet.
* Option D: "When receiving a DHCP request packet on GE0/0/3, the switch forwards the packet through GE0/0/2."
* Correct.
* DHCP requests originate from clients (PC1 or attacker).
* Since DHCP requests are allowed on untrusted interfaces, the switch forwards them to the DHCP server via the trusted interface (GE0/0/2).
Final Answer:
# A and D are correct.
HCIP-Datacom-Advanced Routing & Switching Technology References:
* DHCP Snooping and Port Trust Classification
* How Trusted and Untrusted Ports Handle DHCP Packets
* Preventing Rogue DHCP Servers Using DHCP Snooping
NEW QUESTION # 47
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