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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Troubleshooting | 10% | - Troubleshooting routing and switching issues - Fault diagnosis and analysis methods |
| Topic 2: Advanced Ethernet Technologies | 10% | - Advanced link aggregation and reliability - Ethernet OAM and protection mechanisms - VLAN stacking and QinQ |
| Topic 3: Network Cutover and Migration | 7% | - Service switchover and verification - Migration strategies and risk control |
| Topic 4: MPLS Technologies | 19% | - MPLS basics and label distribution - MPLS protection and fast reroute - MPLS VPN and traffic engineering |
| Topic 5: Network O&M | 7% | - Network monitoring and management tools - Performance optimization and capacity planning |
| Topic 6: IPv6 Routing | 20% | - OSPFv3 and IS-IS for IPv6 - BGP4+ and IPv6 route deployment - IPv6 addressing and transition technologies |
| Topic 7: Advanced BGP Features | 10% | - BGP path control and filtering - Route reflectors and confederations - BGP route attributes and policies |
| Topic 8: Advanced IGP Features | 17% | - IS-IS advanced features and convergence - IGP route selection and control - OSPF advanced features and optimization |
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NEW QUESTION # 50
Both VLAN aggregation and MUX VLAN are deployed on the enterprise network shown in the figure.
* All switch interfaces connected to terminals are access interfaces.
* Given this, match PC1 to PC4 with the hosts or servers they can access on the network.
(Note: A host cannot be matched with itself. For example, PC1 cannot match PC1. Tokens can be reused.)
Answer:
Explanation:
Explanation:
A screenshot of a computer AI-generated content may be incorrect.
Comprehensive and Detailed In-Depth Explanation:
To determine the correct matches, we need to analyze VLAN aggregation and MUX VLAN behavior in the given topology.
1. Understanding VLAN Aggregation and MUX VLAN Roles
* VLAN Aggregation:
* Sub-VLANs (e.g., VLAN 10) are part of a Super-VLAN (e.g., VLAN 100) and share a common gateway.
* Hosts in the same Sub-VLAN can communicate directly.
* MUX VLAN (Multiple User Group VLAN):
* Principal VLAN (VLAN 30): Includes servers, accessible by all VLAN types.
* Separate VLAN (VLAN 20): Cannot communicate with other Separate VLAN hosts, but can communicate with the Principal VLAN (Server).
* Group VLAN (VLAN 10 - Sub-VLANs): Hosts within the same Group VLAN can communicate, and they can also access the Principal VLAN (Server).
2. Analyzing the Connectivity
* PC1 (Sub-VLAN 10 - Employee VLAN)
* Can communicate with PC2 (same Sub-VLAN).
* Can communicate with the Server (VLAN 30 - Principal VLAN).
* PC2 (Sub-VLAN 10 - Employee VLAN)
* Can communicate with PC1 (same Sub-VLAN).
* Can communicate with the Server (VLAN 30 - Principal VLAN).
* PC3 (VLAN 20 - Separate VLAN - Guest VLAN)
* Cannot communicate with other PCs in Employee VLAN (PC1, PC2) or Guest VLAN (PC4).
* Can communicate with the Server (VLAN 30 - Principal VLAN).
* PC4 (VLAN 20 - Separate VLAN - Guest VLAN)
* Cannot communicate with other PCs in Employee VLAN (PC1, PC2) or Guest VLAN (PC3).
* Can communicate with the Server (VLAN 30 - Principal VLAN).
* Server (VLAN 30 - Principal VLAN)
* Can communicate with all PCs (PC1, PC2, PC3, PC4) because it belongs to the Principal VLAN, which serves all VLANs.
NEW QUESTION # 51
On the network shown in the figure, EBGP peer relationships are established between neighboring routers through directly connected interfaces. The router ID of each router is 10.0.X.X, and the AS number is 6500X, where X is the number of the router. Both Rl and R4 have static routes to 192.168.1.0/24, which are imported to BGP through the import-route command. R3 is configured with the peer y.y.y.y as-path-filter 1 import command for all peers. Which of the following sets of commands enables R3 to select the route with the longest AS_Path to 192.168.1.0/24?
Answer: C
NEW QUESTION # 52
In a multi-level RR scenario, a large number of second-level RR are connected to the first-level RR, which may cause the BGP routing table of the first-level RR to overflow. What method can be used to reduce the risk of overflow of the BGP routing table of the first-level RR?
Answer: D
NEW QUESTION # 53
On a PIM-SM multicast network, a network engineer finds that multicast clients cannot receive multicast data.
Which of the following is not a possible cause of this problem?
Answer: A
NEW QUESTION # 54
On the network shown in the figure, PC1 and PC2 are connected to the same switch (SW1) and belong to the same VLAN.
Which of the following are possible causes of a communication failure between PC1 and PC2?
Options:
Answer: A,B,C,D
Explanation:
Comprehensive and Detailed In-Depth Explanation:
1. Understanding the Network Setup
* PC1 (192.168.1.1/24) and PC2 (192.168.1.2/24) are connected to SW1.
* Both PCs are in the same VLAN, meaning communication should work without routing.
* If there is a communication failure, it could be due to physical, VLAN, ARP, or port security issues.
2. Evaluating Each Answer Option
* Option A: " SW1's GE0/0/2 is shut down. "
* Correct.
* If GE0/0/2 is shut down, PC2 cannot send or receive traffic, causing communication failure.
* Even if PC1 is working, PC2 will be unreachable.
* # A is a valid cause.
* Option B: " The link of SW1's GE0/0/1 is faulty. "
* Correct.
* If GE0/0/1 has a faulty link, PC1 cannot communicate with PC2, causing failure.
* Even if PC2 is working, PC1 will be unreachable.
* # B is a valid cause.
* Option C: " Incorrect static ARP entries are configured on the hosts. "
* Correct.
* If static ARP entries are incorrectly configured, PCs will map the wrong MAC addresses to IPs.
* This will result in packet delivery failures, even if the physical network is working.
* # C is a valid cause.
* Option D: " Port isolation is configured on SW1. "
* Correct.
* Port isolation (or private VLAN) prevents direct communication between specific ports.
* If port isolation is enabled on GE0/0/1 and GE0/0/2, PC1 and PC2 will be unable to reach each other.
* # D is a valid cause.
Final Answer:
# A, B, C, and D are correct.
HCIP-Datacom-Advanced Routing & Switching Technology References:
* Troubleshooting VLAN and Layer 2 Communication Issues
* Impact of Port Isolation and Private VLANs on Communication
* Static ARP Entry Configuration and Its Effects on Network Connectivity
NEW QUESTION # 55
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