H3C GB0-372-ENU Actual Free Exam Questions & Community Discussion

Exam Code/Number: GB0-372-ENU
Exam Name/Title: H3CSE-RS-SW
Certification Provider: H3C
Corresponding Certification: H3CSE-Routing & Switching

Exam Questions: 435
Updated On: Jun 02, 2026

Question #41

Which of the following statements about IToIP is incorrect?

A. IToIP requires that IT systems be built using IP networks as infrastructure.

B. IToIP closely connects applications and infrastructure, greatly improving the operating efficiency of IT systems.

C. Various IT resources can easily share and use standard IP infrastructure to achieve further integration of various technologies and applications such as communication, computing, storage, and networking.

D. The IT system built on ITolP can create a standard, compatible, secure, intelligent and manageable IT application environment for users.

Discussion 0

Correct Answer: B Vote an answer

Question #42

Regarding the compatible operation of RSTP and STP, which of the following is correct? (Multiple choice)

A. When RSTP switch and STP switch work together, the port connected to the STP switch will switch to STP mode

B. When a port on an RSTP switch is switched to STP mode, the port will no longer have the fast convergence feature of RSTP.

C. When the RSTP switch and the STP switch work together, you need to use the command stpmode stp to switch the working mode of the RSTP switch to STP.

D. When the connection between the RSTP switch and the STP switch is disconnected, the port previously connected to the STP switch will automatically switch back to RSTP mode

Discussion 0

Correct Answer: A,B Vote an answer

Question #43

The GARP messages used in information exchange between GARP application entities are?
(Multiple choice)

A. JoinEmpty

B. LeaveAll

C. Join

D. LeaveEmpty

E. Empty

F. JoinAll

G. Leave

Discussion 0

Correct Answer: A,B,C,E,G Vote an answer

Question #44

If you need to implement multicast data forwarding in a three-layer network, at least configure which of the following protocols or functions? (Multiple choice)

A. PIM protocol

B. IGMP Snooping function

C. BSR Configuration

D. IGMP protocol

Discussion 0

Correct Answer: A,D Vote an answer

Question #45

Which of the following understandings of the configuration command: [H3C] ntp-service refclock- master 127.127.1.1 6 are correct? (Multiple choice)

A. This command configures the local clock as the reference clock of the system

B. The clock accuracy of the device that successfully configures this command is 6, expressed in terms of stratum.

C. This command can be successfully configured on all H3C series switches

D. The device that has successfully configured this command can act as a clock server to provide clock synchronization services to the outside world.

Discussion 0

Correct Answer: A,B,D Vote an answer

Question #46

Regarding the relationship between SuperVLAN and Sub VLAN, which of the following descriptions is correct? (Multiple choice)

A. SuperVLAN is equivalent to aggregating Sub VLANs, so that all Sub VLANs share the same Layer 3 interface.

B. SuperVLAN only establishes a Layer 3 interface and is responsible for Layer 3 forwarding of Sub VLAN

C. Although physical ports cannot be included in the SuperVLAN configuration, after the mapping relationship between the SuperVLAN and the Sub VLAN is established, the physical ports included in the SubVLAN belong to the SuperVLAN.

D. Sub VLAN only contains physical ports, and the internal host uses the Super VLAN interface address as the gateway

Discussion 0

Correct Answer: A,B,D Vote an answer

Question #47

The customer LAN switches SWA, SWB, and SWC form the RRPP ring main ring 1. The switch SWA has the following configuration information:
[SWA] rrpp domain 1
[SWA-rrpp-domain1] control-vlan 4092
If the switch SWA ports GigabitEthernet1/0/1 and GigabitEthernet 1/0/2 are connected to the RRPP ring, what can we learn from the above information? (Multiple choice)

A. If SWA is a transmission node, the functions of GigabitEthernet1/0/1 and Gigabitethernet1/0/2 are the same.

B. If SWA is a transmission node, when the RRPP ring is in a healthy state, the SWA primary port only allows VLAN 4092 to pass.

C. If SWA is the master node, GigabitEthernet 1/0/1 and GigabitEthem1/0/1/0/2 have the same functions.

D. If SWA is the primary node, when the R&PP ring is in a healthy state, the SWA secondary port only allows VLAN 4092 to pass.

Discussion 0

Correct Answer: A,D Vote an answer

Question #48

After executing the displayinterface Ethernet 1/0/1 command on the switch SWA, the output information is as follows:
[SWA] display interface Ethernet 1/0/1
Ethernet1/0/1 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
what can we learn from the above information? (Multiple choice)

A. Data frames with VLAN 20 tags can be forwarded from port Ethernet 1/0/1

B. Data frames with VLAN10 tags will not be discarded when they enter port Ethernet1/0/1

C. Port Ethernet1/0/1 is a Trunk port, allowing data from all VLANs to pass through.

D. The data frame with VLAN1 tag will be stripped of the tag when it leaves port Ethernet1/0/1

Discussion 0

Correct Answer: B,C,D Vote an answer

Question #49

Which of the following statements about the VXLAN data plane are correct? (Multiple choice)

A. For the underlay device on the forwarding path, it is best to increase the MTU by 50

B. When VXLAN packets are forwarded between Underlay devices, the source and destination MAC addresses in the outer IP header do not change.

C. When VXLAN packets are forwarded between underlay devices, the source and destination MAC addresses in the outer IP header will change.

D. For the Underlay devices on the forwarding path, there is no need to adjust the MTU

Discussion 0

Correct Answer: A,C Vote an answer

Question #50

BFD control message is encapsulated through ____, and its destination port number for multi-hop detection is ____.

A. UDP 4784

B. TCP 3785

C. UDP 3784

D. UDP 3785

Discussion 0

Correct Answer: A Vote an answer

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