合格保証付きクイズ2024年最新の実際に出る検証済みのGB0-372-ENU無料試験問題集
無料H3CSE-Routing & Switching GB0-372-ENU究極な学習ガイド（更新されたのは435問があります)
質問 # 89
The customer's LAN switch SWA is connected to SWB via GigabitEthenet 2/0/1 and to SWC via GigabitEthernet 2/0/2, and the SWA switch has the following configuration:
[SWA] stp region-configuration
[SWA-mst-region] instance 0 vlan 1 to 100[SWA-mst-region] instance 2 vlan 101 to 200[SWA] smart-link group 1
[SWA-smlk-group1] protected-vlan reference-instance 0 [SWA-smlk-group1] port gigabitethernet 2/0/1 master [SWA-smlk-group1] port gigabitethernet 2/0/2 slave [SWA] smart-link group 2
[SWA-smlk-group2] protected-vlan reference-instance 2 [SWA-smlk-group2] port gigabitethernet 2/0/2 master [SWA-smlk-group2] port gigabitethernet 2/0/1 slave If the SWA, SWB, and SWC ports allow all VLANs to pass, what can we learn from the above information? (Multiple choice)
- A. The traffic of VLAN 102 on the SWA switch will be upstreamed through Gigabitethernet 2/0/1
- B. The traffic of VLAN 102 on the SWA switch will be transmitted upstream through GigabitEthe 2/0/2
- C. The traffic of VLAN 2 on the SWA switch will be transmitted upstream through GigabitEthernet 2/0/1.
- D. The traffic of VLAN 2 on the SWA switch will be upstreamed through Gigabitethernet 2/0/2
正解：B、C
質問 # 90
Regarding the relationship between RSTP and STP, which of the following is correct statement?
- A. Switches running RSTP can work together with switches running STP and improve the convergence time of STP.
- B. RSTP can realize load sharing of data from different VLANs on Trunk links based on STP.
- C. 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.
- D. RSTP has all the functions of STP, but it only uses one type of BPDU
正解：D
質問 # 91
Mid-range and high-end switch equipment has its own redundancy. If a core switch in a customer network has dual main control boards with active and standby redundant hot backup, AC power supply
2+1 redundant hot backup, and fan system 1:1 hot backup, then which of the following operations may have a significant impact on the customer network? (Multiple choice)
- A. Pull out the standby main control board
- B. Pull out the service board
- C. Unplug both power supplies.
- D. Unplug 1 fan
正解：B、C
質問 # 92
The advantages of IP multicast include? (Multiple choice)
- A. Reduce server load
- B. Effectively control network traffic
- C. Best Effort Forwarding
- D. Enhance message sending efficiency
正解：A、B、D
質問 # 93
In BFD echo working mode, the other end needs to configure which of the following?
- A. Configure bfd demand enable on the interface
- B. No configuration is required
- C. Configure bfd echo enable on the interface
- D. Configure bfd session init-mode active in the system view
正解：C
質問 # 94
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?
- A. VLAN 20
- B. VLAN 3
- C. VLAN 2
- D. VLAN 1
- E. VLAN 4
- F. VLAN 10
正解：F
質問 # 95
In H3C series switches, which of the following VLAN types can be configured with Layer 3 virtual interfaces? (Multiple choice)
- A. Secondary VLAN
- B. Super VLAN
- C. Sub VLAN
- D. Guest VLAN
- E. Voice VLAN
- F. Private VLAN
正解：B、C、D
質問 # 96
In the network shown in the figure, the PIMSM protocol is running between RT1, RT2 and RT3, the RP is 1.1.1.1, there is a receiver connected to RT3, and IGMP is enabled on the corresponding interface.
The unicast routing table in RT3 is as follows:
[RT3] display ip routing-table Routing Tables: Public Destinations: 10 Routes:
10Destination/MaskProtoPreCost NextHop Interface
/1.1.1.1/320SPF 10 1562192.168.2.1 so/2/1
127.0.0.0/8 Direct 00127.0.0.1 InLoopo|127.0.0.1/32 Direct 00127.0.0.1 InLoopo|192.168.0.0/30 Direct
00192.168.0.2 S0/2/0/192.168.0.1/32 Direct 00192.168.0.1 S0/2/0/192.168.0.2/32 Direct 00127.0.0.1 InLoopo/192.168.1.0/300 SPF 10 3124 192.168.2.1 so/2/1|192.168.2.0/30 Direct 00192.168.2.2 so/2/1|192.168.2.1/32Direct 00192.168.2.1 so/2/1|192.168.2.2/32Direct 00127.0.0.1 InLoopO Then, when the receiver sends a group join request, which of the following routers have (*, G) entries?
(Multiple choice)
- A. RT2
- B. RT1
- C. RT3
正解：A、C
質問 # 97
The customer LAN switches SWA, SWB, and SWC form the RRPP ring main ring 1. If switches SWB, SWC, and SWD form sub-ring 2, it can be concluded from the above information that? (Multiple choice)
- A. If switch SWB is a sub-ring edge node, it can initiate a Main-Fault message
- B. If switch SWA is the primary ring master node, it can initiate a Link-Down message
- C. If the switch SWA is the primary ring master node, it can initiate a Health message
- D. If switch SWB is a sub-ring edge node, it can initiate an Edge-Hello message
正解：C、D
質問 # 98
Which of the following statements about the intercommunication between Sub VLANs in Super VLAN technology is correct?
- A. The host IP addresses in different Sub VLANs belong to the same network segment, but due to the isolation of Sub VLAN, the Sub VLANs cannot communicate with each other.
- B. Hosts in different Sub VLANs are isolated at Layer 2, and can communicate at Layer 3 through the local proxy ARP technology of the Super VLAN interface.
- C. Hosts in different Sub VLANs are isolated at Layer 2, and can communicate at Layer 3 through the common proxy ARP technology of the Super VLAN interface.
- D. The host IP addresses in different Sub VLANs belong to the same network segment, and they can communicate directly with each other through Layer 2 forwarding.
正解：B
質問 # 99
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. SWC is a two-layer switch connected to the terminal. Which of the following description of the network link failure is correct? (Multiple choice)
- A. When only the link between SWB and SWC is intact, the VRRP Master will remain unchanged, but the SWC downstream terminal cannot communicate with the gateway.
- B. When the link between SWB and SWC is disconnected, the VRRP Master will remain unchanged and the SWC downstream terminal can still communicate normally.
- C. When only the link between SWB and SWC is intact, SVVA and SWB will become the Master of VRRP, and the lower end of SWC can communicate normally with the gateway.
- D. When the link between SWB and SWC is disconnected, the port status on the remaining STP links does not change and remains Forwarding.
正解：B、D
質問 # 100
A customer's network has deployed 802.1X. The customer hopes to control the authorization status of the port by configuring the access control mode of the port configuration to auto. Which of the following descriptions of the auto mode is incorrect? (Multiple choice)
- A. In this mode, the initial state only allows EAP-TLS message sending and receiving
- B. In this mode, the initial state only allows EAPOL messages to be sent and received
- C. The initial state of the port in this mode is unauthorized
- D. The initial state of the port in this mode is the authorized state
正解：A、D
質問 # 101
Which of the following statements about BSR and RP in PIMSM is correct? (Multiple choice)
- A. After receiving the C-RP announcement message, the BSR calculates the RP to be selected for each multicast group based on the relationship between the RP and the multicast group, and multicasts the calculation result.
- B. When C-BSR is elected, the priority is compared first, and then the IP address of the bootstrap message is compared.
- C. BSR is generated through an automatic election process between C-BSRs
- D. C-RP routers periodically send announcement messages in multicast mode
正解：B、C
質問 # 102
Which of the following descriptions about H3C switch static routing is correct?
- A. Layer 2 switches do not support routing forwarding, so static routing cannot be configured on Layer 2 switches.
- B. Only Layer 3 switches can be configured with static routing
- C. When configuring static routing, the switch can directly specify the outbound interface without specifying the next hop.
- D. Layer 2 switches can be configured with static routing
正解：D
質問 # 103
The basic process of Layer 2 forwarding of Ethernet switches includes _____ (Multiple choice)
- A. Search the MAC address table based on the destination MAC address. If no match is found, broadcast the message in the VLAN corresponding to the message.
- B. If a match is found and the port corresponding to the entry belongs to the VLAN corresponding to the message, the message is forwarded to the port; however, if the port corresponding to the entry is the same as the port that received the Ethernet frame, the frame is discarded.
- C. Add or refresh the MAC address table entry based on the source MAC address and VLAN ID information of the received Ethernet frame;
- D. If a match is found, but the port corresponding to the entry does not belong to the VLAN corresponding to the message, the frame is discarded;
正解：A、B、D
解説：
A: The table entries are refreshed based on the correspondence between the source MAC address and the port.
質問 # 104
Which of the following statements about BSR and RP in PIMSM are correct?
- A. There can be only one C-BSR in a PIMSM domain
- B. There can be only one C-RP in a PIMSM domain.
- C. There can only be one RP in a PIMSM domain.
- D. There can only be one BSR in a PIMSM domain.
正解：D
質問 # 105
Which open interfaces does VCFC currently support? (Multiple choice)
- A. JAVA API
- B. Linux Shell API
- C. RestFul API
- D. Python API
正解：A、C
質問 # 106
In order to achieve efficient network management, what servers do we often need to deploy in large campus networks? (Multiple choice)
- A. Network management server
- B. Log Server
- C. FTP server
- D. Telnet server
- E. NTP server
正解：A、B、E
質問 # 107
As the network management supervisor of a company, Mr. Wang adheres to the following principles for selecting and applying network technologies and network equipment in network construction. As a network engineer, which technology selection and application do you think is not conducive to network management? (Multiple choice)
- A. Each manufacturer's network equipment must be managed using its own network management system
- B. All devices must support the standard topology discovery protocol
- C. Network equipment is provided by at least three different manufacturers
- D. The routing protocol must select a standard dynamic routing protocol
正解：A、C
質問 # 108
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 PCB
- B. None of the above answers are correct
- C. SWB can communicate with PCA
- D. SWB can communicate with SWA
- E. SWB can communicate with PCC
正解：B
質問 # 109
Which of the following descriptions of the secure managed service gateway group are correct?
(Multiple choice)
- A. The virtual resource management network is used for traffic between FW/LB and tenant virtual machines
- B. Secure intranet is used for traffic between FW and LB
- C. The secure extranet is used for traffic between FW and gateway
- D. The tenant bearer network is used for traffic between FW/LB and VCFC
正解：A、B、C
質問 # 110
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