GB0-371-ENU無料問題集「H3C Constructing H3C High-Performance Campus Networks」

質問 1

Since the expansion of the network scale may lead to more and more arduous management tasks, in the initial stage of network construction, network administrators hope to adopt various technologies to reduce the workload of network management. The most common method is to simplify the network structure and unify Network equipment and other methods Which of the following technologies are technologies that simplify the network structure

（A）SNMP protocol

（B）Stacking technology

（C）Cluster technology

（D）10 Gigabit Ethernet

正解：B、C 解答を投票する

質問 2

In the switching network as shown in the figure, all three switches only have the default VLAN1, the interconnection ports of the three switches are trunks, and all VLANs are allowed to pass, and the three switches have the global and port GVRP functions enabled. VLAN 10 is created on the switch SWA, VLAN 20 is created on the switch SWC, and the GVRP registration mode of the Ethernet 1/0/1 port is set to Fixed on the switch SWA, and the display vlan command is executed on the SWB to view the VLAN existing on VLASWB ( Select one or more)

（A）VLAN1

（B）VLAN20

（C）VLAN 10

正解：A、B、C 解答を投票する

質問 3

The following technologies belong to the three-layer multicast technology:

（A）MVR

（B）IGMP

（C）PIM

（D）IGMPSnooping

正解：B、C 解答を投票する

質問 4

The switches SWA and SWB are connected together through two optical fiber Gigabit Ethernet links, and the switch SWA has the following interface configuration:
[SWA]interface GigabitEthernet 1/0/1
[SWA-GigabitEthernet1/0/1]gvrp
[SWA-GigabitEthernet1/0/1]port link-type trunk
[SWA-GigabitEthernet1/0/1]port trunk permit vlan 1 10
[SWA]interface GigabitEthernet 1/0/2
[SWA-GigabitEthernet1/0/2]port link-type trunk
[SWA-GigabitEthernet1/0/2]port trunk permit vlan 1 10
If you want to configure link aggregation to aggregate these two links together, if the configuration on the SWB is correct, you can know from the above information

（A）After link aggregation is configured on both SWA and SWB, if both SWA and SWB enable MSTP on the aggregation port, GigabitEthernet1/0/1 and GigabitEthe1/0/2 can participate in forwarding

（B）Only when GigabitEthernet1/0/2 and Gigabit1/0/1 allow all VLANs to pass, they can join the same aggregation group

（C）Only by changing the configuration of GigabitEthe1/0/2 to be consistent with GigabitEthe1/0/1, can they join the same aggregation group

（D）After link aggregation is configured on SWASWB, if both SWA and SWB enable MSTP on the aggregation port, one of GigabitEthe1/0/1 and GigabitEthe1/0/2 will be blocked

正解：A 解答を投票する

質問 5

The switch SWA uses the factory default configuration. Now the Ethernet 1/0/1 port of the switch SWA should be configured as a trunk port, the PVID is VLAN20, and VLAN10 is allowed. The following configuration process is correct.

（A）[SWA]interfaceEthernet 1/0/1 [SWA-Ethernet1/0/1]port link-type trunk [SWA-Ethernet1/0/1]port trunk pvid vlan 20 [SWA-Ethernet1/0/1]port trunk permit vlan 10 [SWA-Ethernet1/0/1]quit [SWA]vlan 10 [SWA-vlan10]quit[SWA]vlan 20

（B）[SWA]vlan10 [SWA-vlan10]quit [SWA]vian 20 [SWA-vlan20]quit [SWA]interface Ethernet 1/0/1 [SWA-Ethernet1/0/1]port link-type trunk [SWA-Ethernet1/0/1]port trunk pvid vlan 20 [SWA-Ethernet1 /0/1 ]port trunk permit vlan 10

（C）[SWA]vlan10 [SWA-vlan10]quit [SWA]vlan 20 [SWA-vlan20]port Ethernet 1/0/1 [SWA-vlan20]quit [SWA]interface Ethernet 1/0/1 [SWA-Ethernet1/0/1]port link-type trunk [SWA-Ethernet1/0/1]port trunk permit vlan 10

（D）[SWA]vlan10 [SWA-vlan10]quit [SWA]vlan 20 [SWA-vlan20]quit [SWA]interface Ethernet 1/0/1 [SWA-Ethernet1/0/1]port access vlan 20 [SWA-Ethernet1/0/1]port link-type trunk [SWA-Ethernet1/0/1]port trunk permit vlan 10

正解：A、B 解答を投票する

質問 6

The following statements about the STP protocol are correct

（A）All VLANs in the STP network share a spanning tree, and load sharing of different VLANs on Trunk links cannot be realized.

（B）When the topology changes frequently, some ports are often in Blocking state, which may cause long-term network interruption

（C）The port in STP must pass two ForwardDelays from Blocking to Forwarding before data can be sent.

（D）If there are a large number of hosts in the STP network, frequent online and offline of the hosts will generate a large number of TCN BPDUs

正解：A、B、C、D 解答を投票する

質問 7

In the switching network as shown in the figure, VLAN10 is set to Isolate-userW, VLAN2 and VLAN3 are the Secondary VLAN of VLAN 10 on the switch SWA; VLAN2 VLAN20 is created on the switch SWB, and VLAN20 is set to Isolate-user-vlan, and VLAN4 is After setting the IP address of each device as shown in the figure for the Secondary VLAN of VLAN20, check the MAC address table on the SWB to determine that SWA belongs to

（A）VLAN20

（B）VLAN 10

（C）VLAN2

（D）VLAN4

（E）VLAN 1

（F）VLAN3

正解：A 解答を投票する

質問 8

Regarding RP and BSR, which of the following statements are correct?

（A）BSR is responsible for collecting and publishing RP information in PIM-SM domain i

（B）RP in PIM-SM can be specified manually or dynamically elected

（C）When configuring RP through dynamic election, you can configure the router that intends to become RP as C-RP

（D）There can only be one BSR in a PIM-SM domain

正解：A、B、C、D 解答を投票する

質問 9

Regarding the port filtering mode of VoiceVLAN, the correct statement is

（A）In normal mode, the device will no longer check the MAC address of the message after the port enters the VoiceVLAN.

（B）In the safe mode, the device will perform a MAC matching check on each packet that will enter the VoiceVLAN for transmission

（C）The port filtering mode of VoiceVLAN can be divided into security mode and normal mode.

（D）By default, VoiceVLAN works in normal mode

正解：A、B、C 解答を投票する

質問 10

The customer requires the core switch to adopt Ethernet link aggregation technology, then

（A）Aggregate ports support Layer 2 aggregate ports and Layer 3 aggregate ports

（B）Aggregation port is a logical port composed of multiple logical ports, no need to purchase Ethernet link aggregation board

（C）The aggregation port is a logic composed of multiple physical ports without the need to purchase an Ethernet link aggregation board

（D）The aggregation port is a physical port, and you need to purchase an Ethernet link aggregation board

正解：A、C 解答を投票する

質問 11

In the networking shown in the figure, the PIM SM protocol runs between RT1, RT2 and RT3, the RP is 1.1.1.1 RT3 is connected to the receiver, and IGMP is enabled on the corresponding interface, and the multicast source 2.2.2.2 is connected View the unicast routing table on RT2 on RT3 as follows:
[RT3]display ip routing-table
Routing Tables: Public
Destinations: 11 Routes: 12
Destination/MaskProtoPreCost NextHop Interface
1.1.1.1/320SPF 10 1562 192.168.2.1 so/2/1
2.2.2.2/320SPF 10 1562 192.168.2.1 so/2/1
127.0.0.0/8 Direct 00127.0.0.1 InLoopO
127.0.0.1/32Direct 00127.0.0.1 InLoopO
192.168.0.0/30Direct 00192.168.0.2 S0/2/0
192.168.0.1/32Direct 00192.168.0.1 S0/2/0
192.168.0.2/32Direct 00127.0.0.1 InLoopO
192.168.1.0/300SPF 10 3124 192.168.2.1 so/2/1
OSPF 10 3124 192.168.0.1 S0/2/0
192.168.2.0/30Direct 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 (Receiver) sends a group join request, which of the following routers have (*, G) entries

（A）RT1

（B）RT2

（C）RT3

正解：A、B、C 解答を投票する

質問 12

The ports Ethemet1/0/1, Ethernet1/0/2 and Ethernet1/0/3 of the switch SWA are Access, Trunk and Hybrid ports respectively, and the PVID is VLAN10. After executing the command undo vlan10 on SWA, check the configuration of each port Can you see which of the following-configuration

（A）interfaceEthernet1/0/3 port link-type hybrid port hybrid vlan 1 untagged

（B）interfaceEthernet1/0/1 port access vlan 10

（C）interfaceEthernet1/0/3 port link-type hybrid port hybrid vlan 1 untagged port hybrid pvid vlan 10

（D）interface Ethernet 1/0/2 port link-type trunk port trunk permit vlan 1

（E）All the above configurations are wrong

（F）interfaceEthernet1/0/1

（G）interface Ethernet 1/0/2 port link-type trunk port trunk permit vlan 1 port trunk pvid vlan 10

正解：C、F、G 解答を投票する

GB0-371-ENU 無料問題集「H3C Constructing H3C High-Performance Campus Networks」

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