Free Access H3C.GB0-371-ENU.v2022-08-24.q110 Practice Test (Page 12)

Question 51

As shown in the networking, SWA and SWB enable STP, SWC does not enable STP when initially Link 2 is not connected, PCB can send data to PCA, if Link 1 fails at this time, the maintenance personnel will connect Link 2, then The statement about the recovery process from PCB to PCA data transfer industry is correct (assuming PCA will not actively send data) __

A.Service recovery needs to wait for the SWC MAC address to age, so the default time of 300 seconds is required

B.As SWB port E0/1 needs 30 seconds to enter the forwarding state by default, the service needs 30 seconds to recover by default

C.When the SWB port E0/1 enters the Forwarding state, the topology change processing process will be triggered, so the final restoration of the service requires the default 30+15=45 seconds

D.Because the SWA link interruption will cause the topology change processing process, which shortens the MAC address aging time of SWA and SWB, it takes 15 seconds by default for service recovery

Question 52

Which of the following multicast group management protocols can support the SSM model-(choose one or more)

A.IGMPvl

B.MLDvl

C.MLDV2

D.IGMPV3

E.IGMPV2

Question 53

To configure the Ethernet1/0/1 port of the switch SWA as a hybrid port, its PVID is VLAN20, and when sending VLAN20 data frames without tagging, when sending VLAN 10 data frames, then the following configuration Is the process correct (choose one or more)

A.[SWA]interfaceEthernet 1/0/1 [SWA-Ethernet1/0/1]port link-type hybrid [SWA-Ethernet1/0/1]port hybrid pvid vlan 20 [SWA-Ethernet1/0/1]port hybrid vlan 10 tagged [SWA-Ethernet1/0/1]port hybrid vlan 20 untagged [SWA-Ethernet1/0/1]quit [SWA]vlan 10 [SWA-vlan10]quit[SWA]vlan 20

B.[SWA]vlan10 [SWA-vlan 10]quit [SWA]vlan 20 [SWA-vlan20]quit [SWA]interface Ethernet 1/0/1 [SWA-Ethernet1/0/1]port link-type hybrid [SWA-Ethernet1/0/1]port hybrid pvid vlan 20 [SWA-Ethernet1 /0/1 ]port hybrid vlan 10 tagged

C.[SWA]vlan10 [SWA-vlan10]quit [SWA]vlan 20 [SWA-vlan20]quit [SWA]interface Ethernet 1/0/1 [SWA-Ethernet1/0/1]port link-type hybrid [SWA-Ethernet1/0/1]port hybrid pvid vlan 20 [SWA-Ethernet1/0/1]port hybrid vlan 10 tagged [SWA-Ethernet1 /0/1 ]port hybrid vlan 20 untagged

D.[SWA]vlan10 [SWA-vlan 10]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 hybrid [SWA-Ethernet1 /0/1]port hybridvlan 10 tagged

E.None of the above is correct

Question 54

Regarding the MSTP BPDU format, the correct statement is

A.The definition of the Flags field in the MSTI configuration message is exactly the same as the definition of the Flags field in the RST BPDU

B.The MSTI regional root ID is the ID of the bridge with the highest priority in MSTI

C.The length of the root ID field of the MST region is 48 bytes, the upper two bytes are the bridge priority level, the value range is 0-61440, the step length is 4096

D.The same link can have different port path costs in different MSTIs

Question 55

The figure shows the networking application of RRPP. Customer LAN switches SWA, SWB, SWC, and SWD form RRPP ring main ring 1, switches SWB, SWC and SWE form sub-ring 2, and switches SWB, sWC and sWF form sub-ring 3. If Switch SWE is the master node of sub-ring 2, SWF is the master node of sub-ring 3, and switch SWB is the edge node of sub-ring 2 and sub-ring 3. In order to eliminate the defect of broadcast storm under specific conditions of RRPP dual-homing networking, the above information Can know

A.If the link between switch SWA and switch SWB is Down, and the link between switch SWA and switch SWD is Down, the edge port on switch SWB will be blocked

B.If the link between the switch SWA and the switch SWB is Down, and the link between the switch SWB and SWC is Down, the edge port on the switch SWB will be blocked

C.If the link between the switch SWA and the switch SWD is Down, the edge port on the switch SWB will be blocked

D.If the link between the switch SWB and the switch SWC is Down, the edge port on the switch SWB will be blocked

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Question 51

Question 52

Question 53

Question 54

Question 55

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