Practice GB0-371-ENU Questions With Certification guide Q&A from Training Expert ExamCost
Free H3C GB0-371-ENU Test Practice Test Questions Exam Dumps
NEW QUESTION 21
By viewing the IGMP group information, you can learn the following:
- A. Multicast group IGMP querier
- B. Multicast group information maintained by the router
- C. Number of multicast group Report packets
- D. The address of the first host of the multicast group to send a Report message
Answer: A,B,C
NEW QUESTION 22
In the PIM-DM network as shown in the figure, part of the unicast routing table of routers RT1 and RT2 is as follows:
<RT1>display ip routing-table
Routing Tables: Public
Destination/MaskProtoPreCost NextHop Interface
1.1.1.0/24xxxxP1-1 C1-110.1.1.1POI11
1.1.0.0/16xxxxP1-2 C1-210.1.1.1Port1
<RT2>display ip routing-table
Routing Tables: Public
Destination/MaskProtoPreCost NextHop Interface
1.1.1.0/24XXXX P2-1 C2-111.1.1.1Port2
1.1.1.1/32XXXX P2-2 C2-211.1.1.1Port2
Then, when routers RT1 and RT2 perform Assert, the winner should be
- A. If P1-1<P2-2, C1-1<C2-2, RT2 wins
- B. If P1-1=P2-2, C1-1=C2-2, then RT2 wins
- C. If P1-1=P2-1, C1-1=C2-1, then RT1 wins
- D. If P1-1=P2-1, C1-1>C2-1, then RT1 wins
- E. If P1-1<P2-1, C1-1<C2-1, RT1 wins
- F. If P1-1=P2-2, C1-1>C2-2, then RT2 wins
Answer: B,F
NEW QUESTION 23
The customer local area network switch SVVA is connected to multiple switches. If it is known that Monitor Link M is configured on the SWA, the switch SWA has the following configuration information:
[SWA]monitor-link group 1
[SWA-mtlk-group1] port gigabitethernet 1/0/1 uplink
[SWA-mtlk-group1] port gigabitethernet 1/0/2 uplink
[SWA-mtlk-group1] port gigabitethernet 1/0/3 uplink
[SWA-mtlk-group1] port gigabitethernet 2/0/1 downlink
It can be known from the above information
- A. GigabitEthernet1/0/1 port is in Down state, then Gigabitethernet 2/0/1 port will also be in Down state
- B. GigabitEthernet1/0/2 port is in Down state, then GigabitEthernet 2/0/1 port will also be in Down state
- C. GigabitEthernet1/0/1 port is Up, then GigabitEthernet 2/0/1 port will also be Up
- D. GigabitEthernet1/0/2 port is in Down state, then Gigabitethernet 2/0/1 port will also be in Down state
Answer: C
NEW QUESTION 24
Two routers RTA and RTB are connected through a LAN to form a VRRP backup group. The interface configuration of each router is as follows:
GigabitEthernet1/0 of RTA
ip address 192.168.0.252 255.255.255.0
ip address 192.168.1.252 255.255.255.0 sub
vrrp vrid 1 virtual-ip 192.168.0.254
vrrp vrid 1 priority 120
vrrp vrid 2 virtual-ip 192.168.1.254
GigabitEthernet1/0 of RTB
ip address 192.168.0.253 255.255.255.0
ip address 192.168.1.253 255.255.255.0 sub
vrrp vrid 1 virtual-ip 192.168.0.254
vrrp vrid 2 virtual-ip 192.168.1.254
vrrp vrid 2 priority 120
From the above information-know
- A. Backup group 1 can be successfully established, and backup group 2 can be successfully established
- B. Backup group 1 can be successfully established, but backup group 2 cannot be successfully established
- C. Router A is the master router of backup group 1, and router B is the master router of backup group 2.
- D. Router A is the master router of backup group 1, and backup group 2 has no master router
Answer: A,C
NEW QUESTION 25
After executing the displayinterface Ethernet 1/0/1 command on the switch SWA, the output information is as follows:
[SWA]display interface Ethernet 1/0/1
Ethernetl/0/1 current state: UP
PVID: 10
Mdi type: auto
Link delay is 0(sec)
Port link-type: trunk
VLAN passing: 1 (default vlan), 10
VLAN permitted: 1 (default vlan), 2-4094
Trunk port encapsulation: IEEE 802.1q
Port priority: 0
It can be judged from the above output
- A. Data frames with VLAN1 tags will be stripped of tags when they leave port Ethernet1/0/1
- B. Data frames with VLAN20 tags can be forwarded from port Ethernet1/0/1
- C. Data frames with VLAN10 tags will not be discarded when entering port Ethernet1/0/1
- D. Port Ethernet1/0/1 is a Trunk port, allowing all VLAN data to pass through
Answer: C,D
NEW QUESTION 26
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
[SWA-GigabitEthernet1/0/1]vlan precedence ip-subnet-vlan
After the configuration is complete, it can be judged that PCA will join
- A. VLAN 10
- B. The configuration command is incorrect
- C. VLAN20
- D. VLAN40
- E. VLAN30
Answer: D
NEW QUESTION 27
After executing the displayinterface Ethernet 1/0/1 command on the switch SWA, the output information is as follows:
[SWA]display interface Ethernet 1/0/1
Ethernet1/0/1 current state: UP
PVID: 10
Mdi type: auto
Link delay is 0(sec)
Port link-type: trunk
VLAN passing: 1 (default vlan), 10
VLAN permitted: 1 (default vlan), 2-4094
Trunk port encapsulation: IEEE 802.1q
Port priority: 0
It can be judged from the above output
- A. Port Ethemet1/0/1 is a trunk port, allowing data frames of any VLAN to pass through
- B. Port Ethemet1/OM is a trunk port, which only allows data from VLAN 1 and VLAN 10 to pass through
- C. Data frames without VLAN tags will be tagged with VLAN1 when they enter port Ethernet1/0/1
- D. Data reconnaissance with VLAN1 tag will not be stripped when it leaves port Ethemet1/0/1
Answer: A,D
NEW QUESTION 28
In the switching network as shown in the figure, VLAN10 is set as Isolate-user-vlan on the switch SWA, VLAN2 and VLAN3 are the Secondary VLAN of VLAN 10; VLAN2? VLAN20 is created on the switch SWB, and VLAN20 is set as Isolate-user-vlan , VLAN4 is the Secondary VLAN of VLAN20. After setting the IP address of each device, check the MAC address table on SWA, it will show that the PCB belongs to (choose one or more)
- A. VLAN2
- B. VLAN 10
- C. VLAN 1
- D. VLAN3
- E. VLAN4
- F. VLAN20
Answer: B,D
NEW QUESTION 29
If customers prefer to use TACACS+ protocol instead of RADIUS to complete user access authentication, this may be because _______
- A. The TACACS+ protocol message is simple, which can be combined with authentication and authorization, or separated easily
- B. TACACS+ protocol message subject part is all encrypted, high security
- C. TACACS+ protocol uses TCP reliable transmission
- D. TACACS+ adopts UDP protocol, high network transmission efficiency
Answer: B,C
NEW QUESTION 30
The following statements about PIM SM are correct:
- A. When a multicast source initially sends traffic, an (S, G) entry will be formed on the DR connected to it
- B. The RP will forward multicast traffic downstream only after receiving the data forwarded by the multicast source.
- C. When receiving a registration message from a multicast source, the RP sends a join message to the multicast source, and generates an (S, G) entry when it receives traffic from the multicast source normally multicast forwarding
- D. Before the multicast traffic is normally forwarded from the RP to the multicast receiver, the routers along the way have established (*, G) entries
Answer: A,D
NEW QUESTION 31
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 twice
- C. During the RTA serial port Serial0/1 DOWN/UP time period, the router that responds to the LAN PC ARP request changes 3 times
- D. During the RTA serial port Serial0/1 DOWN/UP time period, the router that responds to the LAN PC ARP request changes once
Answer: B
NEW QUESTION 32
Which statement about the principle of SmartLink & Monitor Link is correct?
- A. SmartLink sends Flush messages to notify other devices to refresh MAC address forwarding entries and ARP entries
- B. MonitorLink sends Flush messages to notify other devices to refresh MAC address forwarding entries and ARP entries
- C. SmartLink is a port linkage solution that monitors the device uplink. Follow the Up/Down status change of the uplink to trigger the Up/Down change of the downlink
- D. MonitorLink realizes the redundant backup of the main and backup links, and enables the traffic to be quickly switched to the backup link after the main link fails
Answer: A
NEW QUESTION 33
In the switching network as shown in the figure, VLAN 10 is set as Super VLAN on the switch SWA, VLAN 2 and VLAN 3 are Sub VLANs of VLAN 10, Port Ethernet1/0/3 is Trunk port, PVID is VLAN 1, allowing all VLANs to pass ; Create VLAN2~VLAN20 on the switch SWB, port Ethernet1/0/4 as Trunk port, PVID is VLAN1, allowing all VLANs to pass, after setting the IP address of each device as shown in the figure, check the MAC address table on SWB , It can be judged that PCA belongs to
- A. VLAN 10
- B. VLAN 1
- C. VLAN3
- D. VLAN2
Answer: D
NEW QUESTION 34
Regarding the basic concepts of MSTP, the correct statement is
- A. IST is a fragment of CIST in the MST region, and the root of IST is the bridge with the highest priority in the MST region
- B. The root of IST is the bridge closest to the total root in IST
- C. One MSTI instance can map multiple VLANs, and the VLAN mapping relationship in different MST regions can be different
- D. One MST region can contain multiple MSTI instances, and different MST regions can contain different MSTI instances
Answer: A,B,C,D
NEW QUESTION 35
Regarding RP and BSR, which of the following statements are correct?
- A. There can only be one BSR in a PIM-SM domain
- B. RP in PIM-SM can be specified manually or dynamically elected
- C. BSR is responsible for collecting and publishing RP information in PIM-SM domain i
- D. When configuring RP through dynamic election, you can configure the router that intends to become RP as C-RP
Answer: A,B,C,D
NEW QUESTION 36
In the networking shown in the figure, the interconnection lines between RT1, RT2, RT3, RT4, and RT5 are all gigabit Ethernet cables, running OSPF, and after publishing the corresponding network segments to achieve routing interoperability, the routers all run the PIM SM protocol. RP means that RT4 has a receiver connected and IGMP is enabled on the corresponding interface. When the initial multicast traffic forwarded along the RPT meets the conditions for switching to SPT, which of the following routers will receive the (S, G) join message?
- A. RT4
- B. RT2
- C. RT1
- D. RT5
- E. RT3
Answer: B,E
NEW QUESTION 37
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