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H3C GB0-372-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Switching Technology Fundamentals | - STP/RSTP/MSTP
|
| Topic 2: High Availability Technologies | - VRRP
|
| Topic 3: Layer 3 Switching | - ACL and QoS
|
| Topic 4: H3C Switch Operations and Management | - Troubleshooting
|
H3CSE-RS-SW Sample Questions:
How does Overlay technology solve the problems and challenges encountered in the development of cloud computing? (Multiple choice)
- A. Overlay encapsulates the Layer 2 message in the IP message, allowing the virtual machine to achieve Layer 2 intercommunication across the Layer 3 network
- B. Overlay expands the number of isolation identification bits. Compared with using VLAN to achieve network isolation, the isolation capability of Overlay network is greatly improved.
- C. For the Underlay network, the data packets of the Overlay network are just forwarding of the tunnel endpoint address, so the MAC address specification requirements of the Underlay network (especially the access switch) are greatly reduced.
- D. Overlay network only needs edge devices to support Overlay, and the middle Underlay network can use traditional devices, which can protect existing investments and facilitate technology implementation.
The following information is the snmp-related configuration on a certain H3C network device:
Snmp-agent
Snmp-agent local-engineid 800007DBOOEOFC79887C6877
snmp-agent community read public
Snmp-agent community write private
snmp-agent sys-info version all
Which of the following description of the result of SNMP access to this device is correct? (Multiple choice)
- A. This device can be successfully accessed and configured via snmpV3
- B. Regardless of the version, this device cannot be accessed or configured.
- C. This device can be successfully accessed and configured via snmpv1
- D. This device can be successfully accessed and configured via snmpv2c
In the network shown in the figure, the interconnection lines between RT1, RT2, RT3, RT4 and RT5 are all Gigabit Ethernet lines, running OSPF, and routing interconnection after publishing the corresponding network segments. The routers all run the PIM SM protocol, and the RP is connected to the receiver on RT4, and IGMP is enabled on the corresponding interface. When the multicast meteor initially forwarded along the RPT meets the conditions for switching to the SPT, which of the following routers will receive the (S, G) join message? (Multiple choice)
- A. RT2
- B. RT4
- C. RT5
- D. RT1
- E. RT3
The IP address of host PCA is 40.1.1.1, and the MAC address is 0011.1111.1111. PCA is connected to the GigabitEthernet1/0/1 port of switch SWA. The following commands are configured on 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, which of the following can be determined that PCA will join?
- A. VLAN 20
- B. The configuration command is incorrect
- C. VLAN 30
- D. VLAN 10
- E. VLAN 40
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. VLAN40
E The configuration command is incorrect. - B. VLAN20
- C. VLAN 10
- D. VLAN30
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