質問 1: In the switching network shown in the figure, VLAN10 is set as lsolate-user-vlan VLAN2 and VLAN3 are SecondaryVLAN of VLAN 10 on switch SWA; VLAN20 are created on switch SWB, and VLAN20 is set as lsolate-user-vlan, and VLAN4 is SecondaryVLAN of VLAN20. After setting the IP addresses of each device as shown in the figure, it can be judged which of the following is correct? (Multiple choice)
A. PCC can communicate with PCA
B. PCC can communicate with SWB
C. PCC can communicate with PCB
D. PCC can communicate with SWA
正解:A,C,D
質問 2: A customer wants to deploy 802.1X in the LAN to improve access security. At the same time, the customer wants to use the port security feature to temporarily close the port for 5 minutes to prevent illegal users from accessing the network. Which of the following features can be used to achieve this?
A. NeedToKnow feature
B. Trap Features
C. ntk temporary characteristics
D. InstrusionProtection Features
正解:D
質問 3: Which of the following mirroring group types are supported by H3CS series switches? (Multiple choice)
A. Remote-destination
B. Remote-source
C. Local
D. Remode
正解:A,B,C
質問 4: 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 with PVID of VLAN1, allowing all VLANs to pass through. VLAN2~VLAN20 are created on switch SWB, port Ethernet1/0/4 is a Trunk port with PVID of VLAN1, allowing all VLANs to pass through. 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?
A. VLAN 10
B. VLAN 3
C. VLAN 1
D. VLAN 2
正解:D
質問 5: The router IGMP Snooping function can be configured and enabled in which of the following view?
(Multiple choice)
A. IGMP view
B. User View
C. System global view
D. VLAN view
正解:C,D
質問 6: 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. The three PCs cannot communicate with each other
B. PCA and PCC can communicate with each other
C. The configuration command is incorrect
D. PCA and PCB can communicate with each other
E. PCB and PCC can communicate directly
正解:B,E
質問 7: The figure shows the networking application of SmartLink and Monitor Link. The Smart Link group is configured on switch SWD, and the MonitorLink group is configured on switch SWB and switch SWC.
The port of switch SWB connected to switch SWA is the Monitor Link uplink port, and the port of switch SWB connected to switch SWD is the Monitor Link downlink port: the opposite port of the downlink port is the port of switch SWD Smart Link group. What can we learn from the above information? (Multiple choice)
A. The link of switch SWB to switch SWA is in Down state, and the Smart Link group state of the corresponding port of switch SWD must change.
B. The link of switch SWB to switch SWA is in Down state, and the Smart Link group state of the corresponding port of switch SWD may not change.
C. The link of switch SWD to switch SWB is in Down state, and the status of the upstream port of switch SWBMonitor Link group must have changed.
D. The link of switch SWD to switch SWB is in Down state, and the status of the upstream port of switch SWBMonitor Link group may not change.
正解:B,D
質問 8: In the network shown in the figure, the PIMSM protocol is running between RT1, RT2 and RT3, the RP is 1.1.1.1, and there is a multicast source connected to the downstream receiver RT3. Check the RT3 unicast routing table as follows:
[RT3] display ip routing-table Routing Tables: Public Destinations: 10 Routes:
10Destination/MaskProtoPreCost NextHop Interface
/1.1.1.1/320SPF 10 1562 192.168.0.1 S0/2/o
/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 so/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 RP sends the registration stop message, which of the following routers have (S, G) entries?
A. RT2
B. RT1
C. RT3
正解:B
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H3CSE-RS-SW 認定 GB0-372-ENU 試験問題:
1. XYZ Company requires to build its network based on modular enterprise network architecture. XYZ Company has a research and development base in Shenzhen and Xi'an, an office building in Beijing and Shanghai, offices with more than 50 people in 23 provincial capitals, and technicians on business trips in
23 provincial capitals. Due to environmental and cost issues, some offices cannot connect to the headquarters through dedicated lines or packet switching wide area network connections. Based on these conditions, which of the following network module that XYZ Company should have? (Multiple choice)
A) Dedicated line and packet switching access
B) Remote | Distributed Office Network
C) VPN access
D) Large branch network
2. 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 1 fan
D) Unplug both power supplies.
3. Regarding root bridge protection, which of the following statements are correct? (Multiple choice)
A) Root bridge protection is configured in port view
B) The port will experience a transition from the Listening state to the Forwarding state. During this period, if the port does not receive a better BPDU, the port will return to the original forwarding state.
C) If root bridge protection is not configured, the root bridge will lose its root bridge status if it receives a BPDU with a higher priority.
D) After configuring root bridge protection, if ports receive a high-priority BPDU, the status of these ports will be set to Listening and no longer forward packets.
4. In the EVPN control plane, which commands can be used to see the VM ARP? (Multiple choice)
A) display arp
B) display evpn route arp
C) display evpn arp
D) display 12vpn arp
5. In the switching network shown in the figure, VLAN10 is set as Private VLAN on switch SWA, VLAN2 and VLAN3 are Secondary VLAN of VLAN10, VLAN2-VLAN20 is set 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, which of the following is correct for the communication between PCA and PCB?
A) PCA can communicate directly with PCB without additional configuration
B) You need to enable the local proxy ARP function in the VLAN10 view of SWA so that PCA can communicate with PCB.
C) The local proxy ARP function needs to be enabled in the VLAN20 view of SWB so that PCA can communicate with PCB.
D) The local proxy ARP function needs to be enabled in the VLAN10 virtual interface view of SWA so that PCA can communicate with PCB.
E You need to enable the local proxy ARP function in the VIAN20 virtual interface view of SWB so that PCA can communicate with PCB.
質問と回答:
質問 # 1 正解: A、C | 質問 # 2 正解: B、D | 質問 # 3 正解: A、B、C、D | 質問 # 4 正解: A、B | 質問 # 5 正解: B |