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H3C GB0-372-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| High Availability Technologies | - Link Aggregation
|
| Layer 3 Switching | - IRF (Intelligent Resilient Framework)
|
| Switching Technology Fundamentals | - VLAN and VLAN Routing
|
| H3C Switch Operations and Management | - Troubleshooting
|
H3CSE-RS-SW Sample Questions:
1. The three switches SWA, SWB, and SWC are connected to form a network as shown in the figure, and all of them have the spanning tree protocol enabled. The cost of each link is known. After the spanning tree calculation, SWC is the root bridge in the network, which of the following is correct?
A) The port role of SWB's EO/1 cannot be determined because the bridge IDs of SWB and SWA are unknown and the priorities of the two cannot be compared.
B) SWB's EO/2 port is the root port
C) Alternate ports exist on SWA
D) All ports on SWC are designated ports
2. The topology is shown in the figure. Perform STP calculation. Which of the following is correct?
(Multiple choice)
A) SWD needs to determine the root port by comparing the ID of the port where it receives the configuration BPDU
B) Since the root bridge ID, root path cost, designated bridge ID, and designated port are all the same, the root port of SWD cannot be determined.
C) If the bridge priority of SWD is set to 0, SWD will become the root bridge, and ports E0/1 and E0/2 will both be designated ports.
D) If the bridge priority of SWD is set to 0, port E0/2 of SWD will only receive configuration BPDUs instead of sending configuration BPDUs
3. Two routers are connected through a LAN to form a VRRP backup group. The configuration on each interface is as follows:
[RTA-GigabitEthernet1 /0] display this
IP address 192.168.0.252 255.255.255.0
Vrrp vrid 1 virtual-ip 192.168.0.254
[RTB-GigabitEthernet1/0] display this
IP address 192.168.0.253 255.255.255.0
Vrrp vrid 1 virtual-ip 192.168.0.254
what can we learn from the above information?
A) RTB is the Master router of the backup group
B) RTA is the Master router of the backup group
C) RTA and RTB cannot elect a master router for the backup group
D) RTA and RTB are both in VRRP Master state
4. Which of the following descriptions of the secure managed service gateway group are correct?
(Multiple choice)
A) Secure intranet is used for traffic between FW and LB
B) The virtual resource management network is used for traffic between FW/LB and tenant virtual machines
C) The secure extranet is used for traffic between FW and gateway
D) The tenant bearer network is used for traffic between FW/LB and VCFC
5. Regarding the port filtering mode of VoiceVLAN, which of the following is correct? (Multiple choice)
A) In security mode, the device will perform a MAC match check on each packet that is to enter the VoiceVLAN for transmission.
B) VoiceVLAN port filtering mode can be divided into two types: security mode and normal mode.
C) By default, VoiceVLAN works in normal mode
D) In normal mode, after the port enters VoiceVLAN, the device no longer checks the MAC address of the message.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: A,D | Question # 3 Answer: A | Question # 4 Answer: A,B,C | Question # 5 Answer: A,B,D |



