Free Access H3C.GB0-371-ENU.v2022-04-18.q117 Practice Test (Page 2)

Question 1

Which statement is correct about the communication between switch VLANs?

A.After the three-layer switch divides VLANs, hosts in different VLANs can communicate. The method is that the three-layer switch creates a virtual three-layer VLAN interface for each VLAN, and the VLAN interface needs to be configured with a corresponding IP address, which is used as the respective VLAN Gateway of the host

B.After the two-layer switch divides VLANs, hosts in different VLANs can use routers to realize communication. The method is that the router has a physical interface and a physical connection to each VLAN.

C.After the Layer 2 switch is divided into VLANs, hosts in different VLANs can communicate with the router by using an interface to connect to the trunk port of the switch, and the router must support the 802.1 Q protocol

D.After the switch is divided into VLANs, only the hosts in the VLAN can communicate, and there is no way for the hosts between VLANs to communicate

Question 2

What is correct about the STP root bridge?

A.There is no root port on the root bridge

B.The root bridge refers to the bridge with the highest priority on a PhysicalSegment

C.All ports on the root bridge are fixed ports

D.Alternate ports may exist on the root bridge

Question 3

The following statements about multicast routing protocols are correct:

A.In sparse mode, the multicast data stream is sent from the multicast source to the multicast receiver in a pull mode, and the multicast receiver actively sends and receives requests

B.The multicast routing protocol has two modes: dense and sparse

C.In dense mode, the multicast data stream is flooded from the multicast source to every corner of the network by pushing, and the multicast receiver passively receives multicast packets

D.Intra-domain multicast routing protocols include: MSDP, DVMRP, MOSPF, PIM

Question 4

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

A.IGMP

B.IGMPSnooping

C.MVR

D.PIM

Question 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 changes 3 times

B.During the RTA serial port Serial0/1 DOWN/UP time period, the router that responds to the LAN PC ARP request will not change

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 once

Other Version: 2739H3C.GB0-371-ENU.v2022-08-24.q110

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