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H3C GB0-371-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Multicast Technology | 15% | - IGMP and IGMP Snooping - PIM-DM/PIM-SM operation - IP multicast basics |
| Topic 2: VLAN Technology and Deployment | 20% | - VLAN mapping and VLAN translation - Super VLAN and Isolate-user-VLAN - Trunk, Hybrid, and Access ports - VLAN fundamentals and configuration |
| Topic 3: High Availability Protocols | 15% | - BFD and fast convergence - Smart Link and Monitor Link - VRRP principle and configuration |
| Topic 4: Campus Network Security and Management | 10% | - Port security and MAC address management - Basic QoS and traffic control - DHCP Snooping, ARP protection, IPSG |
| Topic 5: Spanning Tree Protocols | 20% | - MSTP configuration and optimization - STP/RSTP/MSTP principles - Loop prevention and protection features |
| Topic 6: Campus Network Architecture and Design | 20% | - Campus network hierarchical model - High-performance campus network requirements - Network planning and design principles |
H3C Constructing H3C High-Performance Campus Networks Sample Questions:
As shown in the networking, SWB and SWC enable STP, SWC is the root, SWA does not enable STP, initially Link 2 is not connected, PCB can send data to PCA, if Link 1 fails at this time, maintenance personnel will link 2 is connected, the statement about the recovery process of the PCB to PCA data transfer service is correct (assuming that the PCA will not actively send data)
- A. SWB port E0/1 needs to wait for the default 30 seconds to enter the forwarding state, so the business recovery from PCB to PCA requires a total of 30 seconds by default
- B. SWA port E0/1 will not send TCN BPDUs to SWC after the link is interrupted
- C. Since SWA does not enable STP, service recovery needs to wait for the MAC address of SWC to age, which takes 300 seconds by default
- D. The SWB port E0/1 enters the Forwarding state to trigger the topology change process, which shortens the MAC address aging time, so the business recovery from PCB to PCA requires a total of 45 seconds by default.
Correct Answer: B,D 🗳️
The following are the functions of the access layer (choose one or more)
- A. Access security control
- B. Possess a large number of interfaces for connecting with end user computers
- C. High-speed packet switching
- D. Complex routing strategy
Correct Answer: A,B 🗳️
Among the following PIMV2 messages, the destination address is a unicast address:
- A. Register
- B. Hello
- C. Prune
- D. Join
- E. Graft
- F. Assert
Correct Answer: A,E 🗳️
Among the following PIMV2 messages, the destination address is a multicast address.
- A. Hello
- B. Prune
- C. Join
- D. Graft-ACK
- E. Graft
- F. Assert
Correct Answer: A,B,C,F 🗳️
After executing the display interface Ethernet 1/0/1 command on the switch SWA, the output information is as follows:
[SWA]display interface Ethernet 1/0/1
Ethernetl/0/1 current state: UP
PVID: 10
Mdi type: auto
Link delay is 0(sec)
Port link-type: trunk
VLAN passing: 1 (default vlan), 10
VLAN permitted: 1 (default vlan), 2-4094
Trunk port encapsulation: IEEE 802.1q
Port priority: 0
It can be judged from the above output
- A. Data frames with VLAN20 tags cannot be forwarded from port Ethemet1/0/1
- B. Data frames with VLAN10 tags will be discarded when they enter the port Ethernet1/0/1
- C. Data frames with VLAN10 tags will be stripped of tags when they leave port Ethemet1/0/1
- D. Data with VLAN1 tags will be discarded when entering port Ethemet1/0/1
Correct Answer: A,C 🗳️
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