H3C GB0-372-ENU H3CSE-RS-SW Online Training
H3C GB0-372-ENU Online Training
The questions for GB0-372-ENU were last updated at Feb 20,2025.
- Exam Code: GB0-372-ENU
- Exam Name: H3CSE-RS-SW
- Certification Provider: H3C
- Latest update: Feb 20,2025
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 . RTA is the Master router of the backup group
- B . RTB 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
The IP address of host PCA is 40.1.1.1, and the MAC address is 0011.1111.1111. It is connected to the GigabitEthernet1/0/1 port of switch SWA. The following commands are configured on switch SWA:
[SWA] vlan 10
[SWA-vlan10] quit
[SWA] vlan 20
[SWA-vlan20] protocol-vlan ipv4
[SWA-vlan20] quit
[SWA] vlan 30 [SWA-vlan30] quit
[SWA] mac-vlan mac-address 0011-1111-1111 vlan 30
[SWA] vlan 40
[SWA-vlan40] ip-subnet-vlan ip 50.1.1.0 255.255.255.0
[SWA-vlan40] quit
[SWA] interface GigabitEthernet 1/0/1
[SWA-GigabitEthernet1/0/1] port link-type hybrid
[SWA-GigabitEthernet1/0/1] port hybrid pvid vlan 10
[SWA-GigabitEthernet1/0/1] port hybrid vlan 10 20 30 40 untagged
[SWA-GigabitEthernet1/0/1] port hybrid protocol-vlan vlan 20 0
[SWA-GigabitEthernet1/0/1] port hybrid ip-subnet-vlan vlan 40
[SWA-GigabitEthernet1/0/1] mac-vlan enable
[SWA-GigabitEthernet1/0/1] vlan precedence ip-subnet-vlan
After the configuration is complete, can you tell which one the PCA will join?
- A . VLAN 10
- B . VLAN 20
- C . VLAN 30
- D . VLAN 40
In the switching network shown in the figure, VLAN10 is set as Super VLAN on switch SWA, VLAN2 and VLAN3 are Sub VLANs of VLAN10, port Ethernet1/0/3 is a Trunk port, PVID is VLAN1, and all VLANs are allowed to pass; VLAN2 and VLAN20 are created on switch SWB, port Ethernet1/0/4 is a Trunk port, PVID is VLAN1, and all VLANs are allowed to pass. After setting the IP addresses of each device as shown in the figure, you can judge which of the following?
- A . SWB can communicate with PCA
- B . SWB can communicate with PCB
- C . SWB can communicate with PCC
- D . SWB can communicate with SWA
- E . None of the above answers are correct
Regarding the relationship between RSTP and STP, which of the following is correct statement?
- A . RSTP is defined in the old EE802.1 D standard. Its protocol concept is the same as STP, but it has improved the convergence time.
- B . Switches running RSTP can work together with switches running STP and improve the convergence time of STP.
- C . RSTP can realize load sharing of data from different VLANs on Trunk links based on STP.
- D . RSTP has all the functions of STP, but it only uses one type of BPDU
Two routers are connected together 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 192.168.1.254
What can we learn from the above information?
- A . RTA is the Master router of the backup group
- B . RTB is the Master router of the backup group
- C . RTA and RTB cannot elect a backup group master router
- D . RTA and RTB are both in VRRP Master state
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 secondary VLANs of VLAN 10; VLAN 2 and VLAN 20 are created on switch SWB, and VLAN 20 is set as lsolate-user-vlan, and VLAN 4 is secondary VLAN of VLAN 20. After setting the IP addresses of each device as shown in the figure, which of the following statement is correct?
- A . PCA’s message enters from SWA’s GigabitEthem1/0/1 port and comes out from GigabitEthem1/0/3 port with the VLAN tag VLAN2.
- B . PCA’s message comes out of SWA’s GigabitEthem1/0/ port and enters SWB’s GigabitEthem1/0/4 port. The VLAN tag it carries is VLAN20.
- C . When SWB accesses PCA, the VLAN tag of the message from SWB’s GigabitEthem1/0/4 is VLAN10
- D . SWB’s message enters from SWA’s GigabitEthem1/0/3 port, and the VLAN tag it carries after exiting from GigabitEthem1/0/3 port is VLAN20
Which of the following are the advantages of modular network architecture?
- A . It replaces the traditional hierarchical network model, making it easier to plan and deploy the network.
- B . Allow different application functions or application systems to share data, resources and capabilities and participate in business processes
- C . Allows dynamic invocation of IT resources through open interfaces to achieve a standard, compatible, secure, intelligent and manageable IT application environment
- D . Each module can be planned and deployed separately. Network functions can be added or removed by adding or removing modules, which is conducive to building complex networks.
The customer’s LAN switch SWA is connected to SWB via GigabitEthernet 2/0/1 and to SWC via GigabitEthernet 2/0/2 and the SWA switch has the following configuration:
[SWA] smart-link group 1
[SWA-smlk-group1] protected-vlan reference-instance 0 to 32
[SWA-smlk-group1] port gigabitethernet 2/0/1 slave
[SWA-smlk-group1] port gigabitethernet 2/0/2 master
[SWA-smlk-group1] flush enable control-vlan 10
If the interconnection interfaces of switches SWA, SWB, and SWC allow all VLANs to pass, what can we learn from the above information?
- A . Normally, the SWA switch traffic will be upstream through Gigabitethernet 2/0/1
- B . Under normal circumstances, SWA switch traffic will be upstream through Gigabitethernet 2/0/2
- C . If the GigabitEthernet 2/0/1 port fails, the SWA switch will broadcast flush messages in all VLANs.
- D . If the Gigabitethernet 2/0/2 port fails, the SWA switch will broadcast flush messages in all VLANs.
In the switching network shown in the figure, VLAN 10 is set as Super VLAN on switch SWA, VLAN2 and VLAN3 are Sub VLANs of VLAN 10, port Ethernet/0/3 is a Trunk port, PVID is VLAN1, and all VLANs are allowed to pass; VLAN2~VLAN20 are created on switch SWB, port Ethernet/0/4 is a Trunk port, PVID is VLAN1, and all VLANs are allowed to pass. After setting the IP addresses of each device as shown in the figure, check the MAC address table on SWB and you can determine that PCA belongs to?
- A . VLAN 1
- B . VLAN2
- C . VLAN3
- D . VLAN 10
The customer’s LAN switch SWA is dual-uplinked to switch SWB and switch SWC, and link reliability is guaranteed by Smart Link. If the MAC address of switch SWA is 000f-e269-42d1, the MAC address of switch SWB is 000f-e269-42d2, and the MAC address of switch SWC is 000f-e269-42d3, what can we learn from the above information?
- A . When the line connecting switch SWA to switch SWB fails, the destination mac of the Flush message sent by switch SWA is 000f-e269-42d1
- B . When the line connecting switch SWA to switch SWB fails, the destination mac of the Flush message sent by switch SWA is 000f-e269-42d2
- C . When the line connecting switch SWA to switch SWB fails, the destination mac of the Flush message sent by switch SWA is 000f-e269-42d3
- D . None of the above answers are correct
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