H3CSE-Routing & Switching GB0-371-ENU

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H3C GB0-371-ENU 考試大綱主題:

最新的 H3CSE-Routing & Switching GB0-371-ENU 免費考試真題：

問題 #1
In the network as shown in the figure, after completing the corresponding configuration on the switch SWA, when the switch SWA receives the data frame from the PCA to access the PCB, it will judge whether to check the MAC address table or the routing table according to it.

A. Destination MAC address of the data frame
B. Source MAC address of the data frame
C. Source MAC address of the data frame
D. VLAN attributes of data frames
E. The source IP address of the data frame

問題 #2
As shown in the networking, there is no connection between SWA and SWB at the beginning, and RSTP is enabled for SWA and SWB. When the topology is stable, connect the port E1/0/1 of SWA and SWB. Assuming that SWA will become the new root bridge, the following The correct statement is

A. When SWB receives the Proposal message sent by SWA, it will immediately reply to the Agreement message
B. SWB does not need to generate BPDUs by itself, and the content of the Agreement message in response is copied from the Proposal message sent by SWA
C. When SWB receives the Proposal message sent by SWA, it will start the synchronization process to block the old root port, designated port and edge port
D. Port E1/0/1 of SWA and SWB will send Proposal message to request to enter forwarding state

問題 #3
The IP address of the host PCA is 40.1.1.1, and the MAC address is 0011.1111.1111. The PCA is connected to the GigabitEthernet1/0/1 port of the switch SWA. The following commands are configured on the switch SWA:
[SWA]vlan 10
[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
After the configuration is complete, it can be judged that PCA will join

A. VLAN30
B. The configuration command is incorrect
C. VLAN20
D. VLAN 10
E. VLAN40

問題 #4
Regarding the configuration of the timer in the spanning tree protocol, the correct statement is

A. The HelloTime should be adjusted to the maximum value and the Forward Delay to the minimum value. This can reduce the number of Hello messages in the network and the port can enter the forwarding state as soon as possible
B. MaxAge should be adjusted to the minimum value, which can shorten the aging time of BPDUs and detect link failures in time
C. A proper Helloinme value can reduce the computational loss of the spanning tree while enhancing the robustness of the spanning tree. If the value is too large or too small, it will affect the generation of the spanning tree calculation and the stability of the network.
D. It is not recommended to manually configure Hello Forward Delay and Max Age, the switch will automatically set a better value for the timer through the network diameter value

問題 #5
Two routers are connected together through a LAN to form a VRRP backup group, and the configuration on each interface is as follows:
[RTA-GigabitEthernet1/0]display this
ip address 192.168.0.252 255.255.255.0
vrrp vrid 1 virtual-ip 192.168.0.254
vrrp vrid 1 priority 120
vrrp vrid 1 preempt-mode
vrrp vrid 1 track interface serial0/1 reduced 30
[RTB-GigabitEthernet1/0]display this
ip address 192.168.0.253 255.255.255.0
vrrp vrid 1 virtual-ip 192.168.0.254
vrrp vrid 1 preempt-mode
If a DoWN/UP event occurred on the RTA serial port Serial0/1 during network operation, you can know

A. During the RTA serial port Serial0/1 DOWN/UP time period, the router that responds to the LAN PC ARP request will not change
B. During the RTA serial port Serial0/1 DOWN/UP time period, the router that responds to the LAN PC ARP request changes once
C. During the RTA serial port Serial0/1 DOWN/UP time period, the router that responds to the LAN PC ARP request changes twice
D. During the RTA serial port Serial0/1 DOWN/UP time period, the router that responds to the LAN PC ARP request changes 3 times

問題與答案：