H3C Constructing H3C High-Performance Campus Networks 認定 GB0-371-ENU 試験問題:

1. The multicast IP address is 229.130.130.1, and the corresponding mac address is:

2. Regarding the comparison of RSTP and STP BPDU processing methods, the correct statement is

A) In RSTP, a blocked port can respond immediately when it receives a ground-first BPDU
B) After the RSTP switch receives the configuration BPDU, the calculation and comparison method of the priority vector is the same as that of STP
C) RSTP follows the way of sending configuration BPDUs in STP, and configuration BPDUs are only sent periodically by the root bridge
D) The aging time of RSTBPDU is reduced from Max age to 3 consecutive Hello Time durations

3. The configuration command to enable the global GVRP function on H3C series switches is

A) GVRP

4. The figure shows the networking application of RRPP. The customer LAN switches SWA, SWB, SWC, and SWD form RRPP ring main ring 1, and switches SWB, SWC and SWE form sub-ring 2. If the exchange SWE is the master node of subring 2, it can be known from the above information

A) If the link between the switch SWA and the switch SWB is Down, the switch SWE will release the secondary port
B) If the link between the switch SWA and SWB is Down, and the link between the switch SWA and SWD is Down, the switch SWE will release the secondary port
C) If the link between the switch SWA and the switch SWB is Down, and the link between the switch SWB and SWC is Down, the switch SWE will release the secondary port
D) If the link between the switch SWB and the switch SWC is Down, the switch SWE will release the secondary port

5. In the switching network as shown in the figure, all three switches only have default VLAN1, the interconnection ports of the three switches are all Trunks, and all VLANs are allowed to pass, and all three switches have the global and port GVRP functions enabled. VLAN 10 is created on the switch SWA, VLAN 20 is created on the SWC, and the GVRP registration mode of the Ethemet1/0/1 port is set to Fixed on the switch SWA, and the status information of each Tmnk port is checked on the three switches. The correct one is displayed below (Choose one or more)

A) [SWC]display interface Ethernet 1/0/1 Ethernet1/0/1 current state: UP ...... PVID: 1 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
B) [SWB]display interface Ethernet 1/0/2 Ethernet1/0/2 current state: UP ...... PVID: 1 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
C) [SWA]display interface Ethernet 1/0/1 Ethernetl/0/1 current state: UP ...... PVID: 1 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
D) [SWB]display interface Ethernet 1/0/1 Ethernet1/0/1 current state: UP ...... PVID: 1 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

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