GB0-371-ENU Pre-Exam Practice Tests | (Updated 337 Questions)
Valid GB0-371-ENU Exam Q&A PDF - One Year Free Update
NEW QUESTION 172
The following statements about RP election in PIMSM are correct:
- A. One RP can serve multiple multicast groups
- B. The announcement message information periodically sent by the C-RP router includes the C-RP address, priority, and the range of multicast groups it serves, etc.
- C. -A multicast group can select multiple RPs for load sharing
- D. After the BSR collects the announcement message information, it summarizes it into an RP-Set and sends it in multicast
Answer: A,B,D
NEW QUESTION 173
The configuration command to enable the global GVRP function on H3C series switches is
- A. GVRP
Answer: A
NEW QUESTION 174
The topology is shown in the figure, and the STP calculation is performed. The correct result is
- A. SWA ports E0/1 and E0/2 are designated ports
- B. Both ports E0/1 and E0/2 of SWD will receive configuration BPDUs
- C. SWD port E0/1 is the root port
- D. The port E0/2 of SWA is an alternate port
Answer: A,B,C
NEW QUESTION 175
The router runs the IGMPV2 protocol, and the GroupAddress in the Query message received by the host in the directly connected LAN may be (choose one or more)
- A. 0.0.0.0
- B. 224.0.0.1
- C. 225.1.1.1
- D. 224.0.0.2
- E. 255.255.255.255
Answer: A,C
NEW QUESTION 176
Regarding the compatibility configuration of MSTP, there are correct statements
- A. If the port identification/sending MSTP message mode is configured as dotls, the port will only send and receive standard format MSTP messages
- B. The port of the H3C switch can be configured to automatically recognize the format of the MSTP message and determine the format of the message sent according to the recognition result
- C. The MSTP compatible working mode of the port can be configured through the command stpcompliance. The parameter auto means that the port only sends and receives MSTP messages that are compatible with non-standard formats.
- D. If the MSTP message format received by the port is inconsistent with the configured message format, the port will become the designated port and the port status will remain in the Discarding state to prevent loops.
Answer: A,B,D
NEW QUESTION 177
As shown in the network, the switches all run RSTP. Initially, SWA, SWB and SWC are interconnected. When the topology is stable, connect SWB and SWD, then the following statements are correct.
- A. After SWA receives the BPDU with TC set, it will clear the MAC address table and send RSTBPDU with TC set from E0/2
- B. SWB will send RST BPDU with TC set within twice the HelloTime
- C. SWB will clear the MAC addresses learned by ports E0/1 and E0/2 and send RST BPDUs with TC set from these two ports
- D. After SWC receives the BPDU with TC set, it will clear the MAC address learned by port E0/1 and send RST BPDU with TC set from this port
Answer: B,C,D
NEW QUESTION 178
SOA-based network architecture divides the enterprise IT system into which of the following levels-(choose one or more)
- A. Application layer
- B. Service layer
- C. Network layer
- D. Business layer
Answer: A,B
NEW QUESTION 179
The three routers RTA, RTB, and RTC are connected together via a LAN to form a VRRP backup group. The interface configuration of each router is as follows:
RTA's GigabitEthernet ip address 192.168.0.252 255.255.255.0 vrrp vrid 1 virtual-ip 192.168.0.254 vrrp vrid 1 priority 120 RTB's GigabitEthernet ip address 192.168.0.253 255.255.255.0 vrrp vrid 1 virtual-ip 192.168.0.254 vrrp vrid 1 priority 90 RTC's GigabitEthernet ip address 192.168.0.254 255.255.255.0 vrrp vrid 1 virtual-ip 192.168.0.254
It can be known from the above information
- A. RTB is the master router of the backup group
- B. RTC is the master router of the backup group
- C. After RTA is sent, RTB is the master router of the backup group
- D. RTA is the master router of the backup group
Answer: B
NEW QUESTION 180
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. Cluster technology
- C. 10 Gigabit Ethernet
- D. Stacking technology
Answer: B,D
NEW QUESTION 181
In the network as shown in the figure, the corresponding configuration is completed on the switch SWA, and the switch SWA and each PC have learned the corresponding ARPPCA to access the PCB and send the ICMP request message, and the switch SWA forwards this MAC address to the PCB as
- A. MAC_A
- B. MAC10
- C. 0000.0000.0000
- D. MAC20
Answer: D
NEW QUESTION 182
As shown in the picture, SWA, SWB and SWC enable STP, and the MAC address of SWB is less than the MAC address of SWA. If the topology converges and the bridge priority of SWB is set to 0, the following statements are correct.
- A. The topology will re-converge after 30 seconds by default
- B. After the priority is adjusted, SWB will immediately send configuration BPDUs with itself as the root from ports E0/1 and E0/2
- C. SWA will immediately determine that port E0/1 is the root port
- D. After SWC receives the configuration BPDU sent by SWB, it will not update immediately, but will wait for the locally saved configuration BPDU to age before updating
Answer: A,B,C
NEW QUESTION 183
Regarding the configuration of BPDU and TCNBPDU, the statements are correct.
- A. Configure BPDUs to be sent only from the designated port, and TCNBPDUs to be sent only from the root port
- B. AIternate port will neither send configuration BPDU nor TCNBPDU
- C. The configuration BPDU is usually received only from the root port, and the TCNBPDU is only received from the designated port
- D. Configuration BPDUs are usually only sent periodically by the root bridge, and TCNBPDUs may be sent by other bridges except the root bridge.
Answer: A,B,C,D
NEW QUESTION 184
The customer's two switches SWA and SWB are connected together through seven Ethernet cables and configured with dynamic link aggregation. The corresponding ports on the switch SWA are Ethernet 1/0/1, Ethernet 1/0/2, and Ethernet 1/0. /3, Ethernet 1/0/4, Ethernet 1/0/5, Ethernet 1/0/6, Ethernet 1/0/7o If the switches SWA and SWB only support 6 ports per aggregation group, and the SWA switch has the following Configuration:
[SWA]interface Ethernet 1/0/7
[SWA-Ethernet1/0/7]lacp port-priority 4096
Check LACP status on the device: output letter: as follows:
[SWA]display lacp system-id
Actor System ID: 0x8000, 00e1-fc00-5000
[SWB]display lacp system-id
Actor System ID: 0x8000, 00e0-fc43-7384
If you change SWA's LACP system priority to 4096, you can know from the above information
- A. In the case of the same port configuration, Ethernet1/0/1 port is the aggregation group Unselected
- B. When the configuration of each port is the same, the Ethernet1/0/7 port is the Unselected port of the aggregation group
- C. In the case of the same port configuration, Ethernet1/0/6 port is the Unselected port of the aggregation group
- D. When the configuration of each port is the same, SWA randomly selects one port among the six ports Ethem shot 1/0/1 to Ethernet 1/0/6 as the aggregation group UnselectM
Answer: C
NEW QUESTION 185
Which of the following methods of dividing VLANs has the advantage that when the user's physical location moves, that is, when changing from one switch to another, VLAN does not need to be reconfigured-(choose one or more)
- A. Port-based VLAN
- B. VLAN based on MAC address
- C. Protocol-based VLAN
- D. VLAN based on IP subnet
Answer: B,C,D
NEW QUESTION 186
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 SWASWB, if both SWA and SWB enable MSTP on the aggregation port, one of GigabitEthe1/0/1 and GigabitEthe1/0/2 will be blocked
- B. 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
- C. Only when GigabitEthernet1/0/2 and Gigabit1/0/1 allow all VLANs to pass, they can join the same aggregation group
- D. Only by changing the configuration of GigabitEthe1/0/2 to be consistent with GigabitEthe1/0/1, can they join the same aggregation group
Answer: B
NEW QUESTION 187
In the PIM-DM network as shown in the figure, part of the unicast routing tables of routers RT1 and RT2 are as follows:
<RT1>display ip routing-table
Routing Tables: Public
Destination/MaskProtoPreCost NextHop Interface
1.1.1.0/24xxxxP1-1 C1-110.1.1.1Port1
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, then RT2 wins
- B. If P1-1=P2-2, C1-1<C2-2, 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: A,F
NEW QUESTION 188
If customers prefer to use TACACS+ protocol instead of RADUS 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 encrypts all the body of the message with high security
- C. TACACS+ protocol uses TCP reliable transmission
- D. TACACS+ adopts UDP protocol, high network transmission efficiency
Answer: B,C
NEW QUESTION 189
Regarding the spanning tree port overhead configuration of H3C switches, the following statements are correct:
- A. The default spanning tree port cost standard for H3C switches is legacy
- B. H3C switches support three port cost standards, dot1d-1998, dot11, and legacy. The port cost standards to be followed can be switched through the command stp pathcost-standard
- C. By default, the larger the port cost, the smaller the port bandwidth
- D. If switches of different manufacturers are interconnected, each switch should be configured to follow the same port cost standard as much as possible, otherwise it may cause the spanning tree calculation result to deviate from the original intention of the network design
Answer: A,B,C,D
NEW QUESTION 190
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