Latest Dec-2024 H3C GB0-372-ENU Dumps Updated 435 Questions
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NEW QUESTION # 231
The Ethernets port of switch SWA is configured as follows:
Interface Ethernet 1/0/1 port link-type trunk
Port trunk permit vlan 10 port trunk pvid vlan 20
Now we need to change the Ethernet 1/0/1 port of switch SWA to a Hybrid port, with PVID of VLAN 20, and do not tag the data frames of VLAN 20 when sending them, but tag the data frames of VLAN 10 when sending them. Which of the following configuration processes is correct?
- A. [SWA-Ethernet1/0/1] port link-type hybrid
- B. [SWA-Ethernet1/0/1] portlink-type access
[SWA-Ethernet1/0/1] port link-type hybrid
[SWA-Ethernet1/0/1] port hybrid pvid vlan 20
[SWA-Ethernet1/0/1] port hybrid vlan 10 tagged - C. [SWA-Ethernet1/0/1] port link-type access
[SWA-Ethernet1/0/1] port access vlan 20
[SWA-Ethernet1/0/1] port link-type hybrid
[SWA-Ethernet1/0/1] port hybrid vlan 10 tagged - D. None of the above is correct
- E. [SWA-Ethernet1/0/1] undoportlink-type
[SWA-Ethernet1/0/1] portlink-typeHybrid
[SWA-Ethernet1/0/1] port hybrid pvid vlan 20
[SWA-Ethernet1/0/1] port hybrid vlan 10 tagged
Answer: C
NEW QUESTION # 232
In the network connection shown in the figure, SWA and SWB are three-layer switches, running STP+VRRP, and after the initial configuration is completed, SWA is the root of STP and the master of VRRP, and SWC is the downlink access terminal of the two-layer switch. Which of the following description of the network link failure is correct?
- A. When the link between SWA and SWB is disconnected, the VRRP Master will switch and SWB will become the new VRRP Master
- B. After the link between SWA and SWC is disconnected, the VRRP Master will remain unchanged, but the SWC downstream terminal will not communicate with the gateway.
- C. When the link between SWA and SWB is disconnected, the STP topology will change, and both uplink ports of SWC will become Forwarding
- D. When the link between SWA and SWC is disconnected, the STP topology will change, and G1/0/2 of SWC will become Forwarding
Answer: C
NEW QUESTION # 233
In the switching network shown in the figure, VLAN10 is set as Private VLAN on switch SWA, and VLAN2 and VLAN3 are Secondary VLANs of VLAN10; VLAN2-VLAN20 is created on switch SWB, and VLAN20 is set as Private VLAN, and VLAN4 is Secondary VLAN of VLAN20. After setting the IP addresses of each device as shown in the figure, if the local ARP proxy function is enabled on SWA and SWB, and SWA and SWB are allowed to send ICMP packets, execute the command tracert 10.1.1.2 on PCA, and the destination IP address reached by the first hop displayed on PCA is ()
Answer:
Explanation:
10.1.1.5
NEW QUESTION # 234
The NTP protocol is based on UDP transmission protocol messages, and its UDP port number is ().
Answer:
Explanation:
123
NEW QUESTION # 235
The security of the campus network should take into account which of the following aspects?
(Multiple choice)
- A. Effectively identify legitimate and illegitimate users
- B. Effectively manage network devices and network topology
- C. Protect physical lines
- D. Effective access control
Answer: A,B,C,D
NEW QUESTION # 236
Which of the following licenses requires each VCFC in the cluster to purchase a license?
- A. Service-Chain License
- B. Overlay License
- C. ZTP License
- D. Basic Function License
Answer: D
NEW QUESTION # 237
A customer's internal LAN wants to deploy 802.1X. Due to external conditions, the only way to use it is EAP relay. Which of the following statements about this solution is wrong? (Multiple choice)
- A. CHAP authentication is used between the server and the device
- B. The server and the device use PEAP authentication
- C. Between the client and the device, the EAP message adopts the EAPOL encapsulation format
- D. Only the device can actively trigger the authentication method
Answer: A,D
NEW QUESTION # 238
Which of the following is the core goal of high-reliability redundant network design?
- A. Minimize network management complexity
- B. Maximize network bandwidth
- C. Maximize network access security
- D. Minimize the existence of single point failures in the network
Answer: D
NEW QUESTION # 239
IGMPv2 protocol message format is as follows:
The router runs the IGMPv2 protocol. The Group Address in the Query message received by the host in the downstream LAN may be? (Multiple choice)
- A. 224.0.0.1
- B. 225.0.1.0
- C. 225.1.1.1
- D. 0.0.0.0
- E. 224.0.0.2
Answer: B,C
NEW QUESTION # 240
Which of the following statements about VXLAN packets are correct? (Multiple choice)
- A. In the VXLAN header, the flag bit has 8 bits
- B. The VXLAN header is encapsulated in the UDP header
- C. The source IP in the IP header of the VXLAN message is the source IP of the VXLAN channel.
- D. Compared with traditional networks, VNI replaces VLANID to represent different VXLAN networks.
Answer: A,B,C,D
NEW QUESTION # 241
Which of the following understandings of VXLAN concepts are correct? (Multiple choice)
- A. VXLAN packets will add an additional 50 bytes of overhead on top of the original packets
- B. VTEP is the starting and ending point of the VXLAN tunnel
- C. VXLAN is just a type of overlay technology
- D. The original message is encapsulated in a TCP message after adding the VXLAN header
Answer: A,B,C
NEW QUESTION # 242
Among the following PIMV2 messages, which of the following with a destination address of multicast?
- A. Prune
- B. Hello
- C. Graft-ACK
- D. Graft
- E. Join
- F. Assert
Answer: A,B,E,F
NEW QUESTION # 243
Which of the following statements about MST regions are correct? (Multiple choice)
- A. Switches belonging to the same MST region must have the same VLAN and instance mapping relationship.
- B. The switches running MSTP need to exchange complete VLAN and instance mappings. If the mappings are different, the switches do not belong to the same MST region.
- C. If the MST domain names configured on two switches are different, then the two switches must belong to different MST regions.
- D. RSTP runs between MST regions
Answer: A,C,D
NEW QUESTION # 244
Which of the following are organizations related to SDN? (Multiple choice)
- A. SDN Industry Alliance
- B. IETF
- C. ETSI
- D. ONF
Answer: A,B,C,D
NEW QUESTION # 245
In the network shown in the figure, PIM SM protocol runs between RT1, RT2 and RT3, and the RP is 1.1.1.1. RT3 is connected to a receiver, and IGMP is enabled on the corresponding interface.
View the unicast routing table on RT3
Then, when the receiver sends a group join request, which of the following routers have (*, G) entries?
(Multiple choice)
- A. RT2
- B. RT3
- C. RT1
Answer: B,C
NEW QUESTION # 246
Which southbound standard protocols does VCFC currently support?
- A. RIP
- B. OpenFlow
- C. RestFulAPI
- D. SNMP
Answer: B
NEW QUESTION # 247
The IP address of host PCA is 40.1.1.1, and the MAC address is 0011.1111.1111. PCA is connected to [SWA] vlan 10 of switch SWA.
[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 40.1.1.0 255.255.255.0
[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 completed, which of the following can be determined that PCA will join?
- A. VLAN30
- B. VLAN20
- C. VLAN40
E The configuration command is incorrect. - D. VLAN 10
Answer: C
NEW QUESTION # 248
The router runs the IGMPV2 protocol. The Group Address in the Query message received by the host in its directly connected LAN may be? (Multiple choice)
- A. 255.255.255.255
- B. 224.0.0.1
- C. 225.1.1.1
- D. 224.0.0.2
- E. 0.0.0.0
Answer: C,E
NEW QUESTION # 249
Which of the following elements may be included in the MAC address table of a switch? (Multiple choice)
- A. MAC address
- B. Aging time
- C. Port number
- D. VLANID
- E. IP address
Answer: A,B,C,D
NEW QUESTION # 250
Hosts PCA, PCB and PCC are connected to GigabitEthernet1/0/1, Ethernet1/0/2 and Ethernet1/0/3 ports of switch SWA respectively, and their addresses are in the same network segment. Configure
[SWA] vlan 10
[SWA-vlan10] port ethernet 1/0/1
[SWA-vlan10] quit
[SWA] vlan 20
[SWA-vlan20] port ethernet 1/0/2
[SWA-vlan20] quit
[SWA] vlan 30
[SWA-vlan30] port ethernet 1/0/3
[SWA-vlan30] quit
[SWA] interface ethernet 1/0/1
[SWA-Ethernet1/0/1] port link-type hybrid
[SWA-Ethernet1/0/1] port hybrid vlan 10 30 untagged
[SWA-Ethernet1/0/1] quit
[SWA] interface ethernet 1/0/2
[SWA-Ethernet1/0/2] port link-type hybrid
[SWA-Ethernet1/0/2] port hybrid vlan 20 30 untagged
[SWA-Ethernet1/0/2] quit
[SWA] interface ethernet 1/0/3
[SWA-Ethernet1/0/3] port link-type hybrid
[SWA-Ethernet1/0/3] port hybrid vlan 10 20 30 untagged
what can we learn from the above information? (Multiple choice)
- A. PCA and PCC can communicate with each other
- B. The configuration command is incorrect
- C. PCA and PCB can communicate with each other
- D. PCB and PCC can communicate directly
- E. The three PCs cannot communicate with each other
Answer: A,D
NEW QUESTION # 251
......
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