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H3C GB0-372-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| IP Multicast | 15% | - Multicast concepts and addressing - IGMP protocol versions and operation - PIM-DM and PIM-SM basics |
| Spanning Tree Protocols | 20% | - STP, RSTP and MSTP principles - Bridge protocol data units (BPDU) - MSTP configuration and optimization - Root bridge and port roles election |
| VLAN Technologies | 20% | - QinQ technology and application - Trunk, Hybrid and Access ports - VLAN fundamentals and configuration - VLAN routing and Inter-VLAN communication |
| Campus Network Overview | 10% | - Campus network architecture and design principles - Hierarchical network model |
| High Availability Technologies | 15% | - Device redundancy and failover - VRRP protocol and deployment - Link aggregation (LACP and static mode) |
| Advanced Switching Features | 20% | - Port security and traffic control - Switch management and monitoring - Layer 3 switching and routing protocols - DHCP relay and snooping |
H3CSE-RS-SW Sample Questions:
In a large LAN, what functional layers is the network divided into? (Multiple choice)
- A. Convergence Layer
- B. Management
- C. Access layer
- D. Core layer
Which of the following VLAN division methods has the advantage that when the user moves physically, that is, when switching from one switch to another, the VLAN does not need to be reconfigured which of the following? (Multiple choice)
- A. Protocol-based VLAN
- B. Port-based VLAN
- C. MAC address-based VLAN
- D. VLAN based on IP subnet
Which of the following statements about the three versions of the multicast group management protocol IGMPv1, IGMPv2, and IGMPv3 is correct? (Multiple choice)
- A. Only IGMPV3 has a specific group joining mechanism
- B. The election principles of the three version queryers are the same
- C. IGMPV2 and IGMPV3 designed a member reporting suppression mechanism
- D. IGMPV2 and IGMPV3 have specific group query messages
- E. IGMPv1 does not have leave messages
In the switching network shown in the figure, VLAN10 is set as lsolate-user-vlan VLAN2 and VLAN3 as the Secondary VLAN of VLAN 10 on switch SWA; VLAN2-VLAN20 is created on switch SWB, and VLAN20 is set as lsolate-user-vlan, and VLAN4 is the Secondary VLAN of VLAN20. After setting the IP addresses of each device as shown in the figure, which of the following statements are correct?
- A. PCA's message comes out from SWA's GigabitEthem1/0/3 port and enters SWB's GigabitEthe1/0/3 port. The VLAN tag it carries is VLAN2.
- B. SWB's message enters from SWA's GigabitEthem1/0/3 port, and the VLAN tag it carries after exiting from GigabitEthem1/0/1 port is VLAN2
- C. When SWB accesses PCA, the VLAN tag of the message from SWB's GigabitEthem1/0/4 is VLAN 1.
- D. PCA's message enters from SWA's GigabitEther1/0/1 port and exits from GigabitEther1/0/3 port without VLAN Tag.
In the switching network shown in the figure, VLAN 10 is set as lsolate-user-vlan on switch SWA, and VLAN 2 and VLAN 3 are set as Secondary VLAN of VLAN 10; VLAN 20 is created on switch SWB, and VLAN 20 is set as lsolate-user-vlan, and VLAN 4 is set as Secondary VLA of VLAN 20. After setting the IP addresses of each device as shown in the figure, the local proxy ARP function is enabled on SWA and SWB. Initially, the switch and PC did not learn their corresponding ARP entries. When PCA pings PCB, PCA will send an ARP request. What is the source MAC address of the ARP request message forwarded by the switch to PCB?
- A. 0000.0000.0000
- B. 00E0.FC00.0010
- C. 0011.1111.1111
- D. 00E0.FC00.0020
