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 Nov 19,2024.

Exam Code: GB0-372-ENU
Exam Name: H3CSE-RS-SW
Certification Provider: H3C
Latest update: Nov 19,2024

Question #1

What is the UDP port number used by the BFD echo message?

A . 3785
B . 3786
C . 3787
D . 3788

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Question #2

The multicast IP address is 229.130.130.1, which of the following is its corresponding multicast MAC address?

A . 00-00-5E-02-82-01
B . 01-00-5E-02-82-01
C . 00-00-5E-82-82-01
D . 01-00-5E-82-82-01

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Question #3

Regarding the stpmcheck command in spanning tree configuration, which of the following are the correct statements?

A . This command is used when RSTP switches and MSTP switches are interconnected.
B . This command is used when switches from different manufacturers are interconnected and MSTP is running to check summary information.
C . This command is used when the switch port running RSTP or MSTP is connected to the STP device.
D . By running this command on a port of an RSTP or MSTP switch, you can switch the spanning tree mode of the port to STP.

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Question #4

In the switching network shown in the figure, all three switches have only the default VLAN 1. The interconnected ports of the three switches are all Trunks, and all VLANs are allowed to pass. The global and port GVRP functions are enabled on the three switches. VLAN 10 is created on the switch SWA, VLAN 20 is created on the switch SWC, and the GVRP registration mode of the Ethernet 1/0/1 port on the switch SWA is set to Fixed. Check the status information of each Trunk port on the three switches. Which of the following is correct?

A . [SWA] 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, 20
VLAN permitted: 1 (default vlan), 2-4094 Trunk port encapsulation: IEEE 802.1q
B . [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 ， 20
VLAN permitted: 1 （ default vlan ）， 2-4094 Trunk port encapsulation: IEEE 802.1q
C . [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 ， 20
VLAN permitted: 1 （ default vlan ）， 2-4094 Trunk port encapsulation: IEEE 802.1q
D . [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, 20
VLAN permitted: 1 (default vlan), 2-4094 Trunk port encapsulation: IEEE 802.1q

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Question #5

In the network shown in the figure, the corresponding configuration is completed on the switch SWA, and the switch SWA and each PC have learned the corresponding ARP table entry. When PCA accesses PCB, it sends an ICMP request message. Which of the following is the destination IP address of the message?

A . 10.1.1.1
B . 10.1.1.2
C . 20.1.1.1
D . 20.1.1.2

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Question #6

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 switches SWB, SWC, and SWD form sub-ring 2, switches SWB, SWC, and SWE form sub-ring 3, which of the following can be known from the above information?

A . Switches SWB, SWC, and SWD can use VLAN 4092 as the sub-ring 2 control VLAN
B . Switches SWB, SWC, and SWE cannot use VLAN 4092 as the sub-ring 3 control VLAN
C . The control VLAN of sub-ring 2 must be different from the control VLAN of sub-ring 3.
D . To facilitate the management of the main ring, you can configure an IP management address on the sub-ring 3 control VLAN

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Question #7

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 Ethernet1/0/3 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, which of the following statement is correct?

A . The PCC message comes out of SWB’s Ethernet 1/0/4 port and enters SWA’s Ethernet 1/0/3 port. The VLAN tag it carries is VLAN 1.
B . The PCC message comes out of SWB’s Ethernet 1/0/4 port and enters SWA’s Ethernet 1/0/3 port. The VLAN tag it carries is VLAN 2.
C . The PCC message comes out of SWB’s Ethernet 1/0/4 port and enters SWA’s Ethernet 1/0/3 port. The VLAN tag it carries is VLAN 3.
D . The PCC message comes out of SWB’s Ethernet 1/0/4 port and enters SWA’s Ethernet 1/0/3 port. The VLAN tag it carries is VLAN 10.

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Question #8

The figure shows the networking application of RRPP. The customer LAN switches SWA, SWB, SWC, and SWD form the RRPP ring main ring 1, and the switches SWB, SWC, and SWE form the sub-ring 2.

If the switching SWE is the master node of sub-ring 2, which of the following can be known from the above information?

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

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Question #9

The customer’s two switches SWA and SWB are connected together through seven Ethernet cables and configured with dynamic link aggregation. The corresponding ports on switch SWA are Ethernet 1/0/1, Ethernet 1/0/2, Ethernet 1/0/3, Ethernet 1/0/4, Ethernet 1/0/5, Ethernet 1/0/6, and Ethernet 1/0/7.

If switches SWA and SWB support only 6 ports per aggregation group, and the SWA switch has the following configuration:

[SWA] interface Ethernet 1/0/7

[SWA-Ethernet1/0/7] lacp port-priority 4096

Check the LACP status on the device: Output information: as follows:

[SWA] display lacp system-id

Actor System ID: 0x8000,00e1-fc00-5000

[SWB] display lacp system-id

Actor System ID: 0x8000,00e0-fc43-7384

If you change the LACP system priority of SWA to 4096, which of the following you can know from the above information?

A . When the configuration of each port is consistent, Ethernet1/0/1 port is the aggregation group Unselected
B . If the configuration of each port is consistent, SWA randomly selects one port from Ethernet 1/0/1 to Ethernet 1/0/6 as the aggregation group UnselectM.
C . When the configuration of each port is consistent, Ethernet1/0/6 port is the Unselected port of the aggregation group.
D . When the configuration of each port is consistent, Ethernet1/0/7 port is the Unselected port of the aggregation group.

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Question #10

In the switching network shown in the figure, set VLAN10 as Isolate-user-vlan on switch SWA, and VLAN2 and VLAN3 as Secondary VLAN of VLAN 10; create VLAN4 and VLAN20 on switch SWB, and set VLAN20 as Isolate-user-vlan, and VLAN4 as Secondary VLAN of VLAN20. After setting the IP addresses of each device as shown in the figure, check the MAC address table on SWA, and you can determine that PCC belongs to which of the following?