[2022] Use Valid New GB0-371-ENU Test Notes & GB0-371-ENU Valid Exam Guide
GB0-371-ENU Actual Questions Answers PDF 100% Cover Real Exam Questions
NEW QUESTION 25
Regarding the spanning tree port overhead configuration of H3C switches, the following statements are correct:
- A. 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
- B. By default, the larger the port cost, the smaller the port bandwidth
- C. The default spanning tree port cost standard for H3C switches is legacy
- 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 26
Regarding the description of Isolate-user-vlan technology and Super VLAN technology, the following is correct
- A. SuperVLAN is a three-layer VLAN technology, so all switches that support Super VLAN technology are three-layer switches
- B. Isolate-user-vlan is a Layer 2 VLAN technology, so switches that support isolate-user-vlan technology are Layer 2 switches
- C. SuperVLAN technology is also called VLAN aggregation: the main purpose is to solve the waste of IP addresses or insufficient number of VLAN interfaces
Answer: A,C
NEW QUESTION 27
Which of the following messages are TACACS+ authentication messages
- A. Rsponse
- B. Continue
- C. Request
- D. start
Answer: B,D
NEW QUESTION 28
Regarding the relationship between SuperVLAN and Sub VLAN, the following description is correct
- A. Although physical ports cannot be included in SuperVLAN configuration, after the mapping relationship between Super VLAN and Sub VLAN is established, the physical ports included in SubVLAN belong to Super VLAN
- B. Sub VLAN only contains physical ports, and the internal host uses the address of the Super VLAN interface as the gateway
- C. SuperVLAN only establishes Layer 3 interfaces, responsible for Layer 3 forwarding of Sub VLAN
- D. SuperVLAN is equivalent to aggregating Sub VLANs so that all Sub VLANs share the same Layer 3 interface
Answer: B,C,D
NEW QUESTION 29
In the switching network as shown in the figure, VLAN10 is set as Isolate-user-vlan on switch SWA, VLAN2 and VLAN3 are set as Secondary VLAN of VLAN 10; VLAN2-VLAN20 is created on 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 as shown in the figure, the local proxy ARP function is enabled on both SWA and SWB. Initially, the switch and pc did not learn their corresponding ARP entries. In the process of PCA ping PCB, PCA will send an ARP request. After receiving the ARP request message, the PCA will send the destination MAC response. The destination MAC address is
- A. 0011.1111.1111
- B. 00E0.FC00.0010
- C. 00E0.FC00.0020
- D. FFFF.FFFF.FFFF
Answer: C
NEW QUESTION 30
By viewing the IGMP group information, you can learn the following:
- A. Multicast group IGMP querier
- B. The address of the first host of the multicast group to send a Report message
- C. Multicast group information maintained by the router
- D. Number of multicast group Report packets
Answer: A,C,D
NEW QUESTION 31
In the switching network as shown in the figure, set VLAN10 as Isolate-user-vlan VLAN2 and VLAN3 as the Secondary VLAN of VLAN10 on the switch SWA. VLAN10 virtual interface link layer UP on the following switch SWA? (Select one or more )
- A. GigabitEthernet1/0/3 port is up
- B. GigabitEthernet1/0/1 port is up
- C. GigabitEthernet1/0/2 port UP
- D. GigabitEthernet1/0/1, GigabitEthernet1/0/2 and GigabitEthem1/0/3 are all up
Answer: A,B,C,D
NEW QUESTION 32
The mechanism of multicast group management protocol mainly includes (choose one or more)
- A. Member report suppression mechanism
- B. Queryer election
- C. Host joining and leaving the multicast group
- D. Router maintains multicast groups
Answer: A,B,C,D
NEW QUESTION 33
Which of the following statements about SOA and ITolP are correct?
- A. ITolP allows flexible, fast and efficient construction of enterprise intelligent applications, and can quickly adapt to changes in enterprise business processes
- B. ITolP solution embodies the core idea of SOA
- C. SOA solutions require the integration of IT infrastructure and the establishment of a unified IT infrastructure platform based on network technology
- D. SOA is based on the network, eliminates the information gap caused by heterogeneous systems, integrates various services such as storage, security, and multimedia, and realizes the componentization and resourceization of IT infrastructure
Answer: A,B
NEW QUESTION 34
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. RT2
- B. RT3
- C. RT1
Answer: A,B,C
NEW QUESTION 35
The security of the campus network should consider which of the following developments
- A. Effectively identify legal and illegal users
- B. Effective management of network equipment and network topology
- C. Protect the physical circuit
- D. Effective access control
Answer: A,B,C,D
NEW QUESTION 36
Regarding the comparison of the calculation convergence of RSTP and STP, the correct statement is
- A. Compared with STP, RSTP defines a fast switching mechanism for designated ports, which can make the designated port enter the forwarding state without waiting for twice the Forward Delay time.
- B. If STP wants to shorten the convergence time, you can only configure a smaller FORWARD Delay time, but it will affect the stability of the network
- C. Compared with STP, RSTP defines a fast root port switching mechanism, which can make Altmate quickly become a new root port state when there is an obstacle to the port.
- D. Compared with STP, RSTP defines the basic port fast switching mechanism, so that the port connected to the host quickly enters the forwarding state
Answer: A,B,C,D
NEW QUESTION 37
As the basis for the realization of the SNMP protocol, the managed objects in the MIB can be identified by the object name or OID. The following descriptions of the managed objects are correct (multiple choice)
- A. Leaf nodes are divided into phenotype nodes and scalar nodes. When the network management workstation accesses the leaf nodes, the instance ID must be added after the leaf node corresponds to the OID.
- B. The nodes in the MIB are divided into leaf nodes and non-leaf nodes. The non-leaf points cannot be accessed
- C. The managed object exists in the form of a node, which can be represented by object name or OID, and the two are mapped one by one
- D. Scalar nodes only have read attributes, not write attributes
Answer: A,C
NEW QUESTION 38
The switch SWA and SWB are connected together by two optical fiber Gigabit Ethernet links. 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
It can be seen from the above
- A. If SWA4 is switched to enable MSTP, one of GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 will be blocked
- B. If MSTP is enabled on the SWA switch, GigabitEthe1/0/1 and GigabitEthe1/0/2 can participate in forwarding
- 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. GigabitEthernet1/0/1 and GigabitEthe1/0/2 cannot join the same aggregation group
Answer: B
NEW QUESTION 39
In the switching network as shown in the figure, all three switches have only default VLAN1. The interconnection ports of the three switches are Trunks, and all VLANs are allowed to pass. All 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 Ethernet1/0/1 port is set to Forbidden on the switch SWA. Check the status of each Trunk port on the three switches. (Choose one or more)
- A. [SWB]display interface Ethernet 1/0/2 Ethernet1/0/2 current state: UP ...... PVID: 1 Mdi type: auto Link delay is 0(sec) Port link-type: trunk VLAN passing: 1 (default vlan), 10,20 VLAN permitted: 1 (default vlan), 2-4094 Trunk port encapsulation: IEEE 802.1q
- B. [SWC]display interface Ethernet 1/0/1 Ethernet1/0/1 current state: UP ...... PVID: 1 Mdi type: auto Link delay is 0(sec) Port link-type: trunk VLAN passing: 1 (default vlan), 10,20 VLAN permitted: 1 (default vlan), 2-4094 Trunk port encapsulation: IEEE 802.1q
- C. [SWA]display interface Ethernet 1/0/1 Ethernet1/0/1 current state: UP ...... PVID: 1 Mdi type: auto Link delay is 0(sec) Port link-type: trunk VLAN passing: 1 (default vlan), VLAN permitted: 1 (default vlan), 2-4094 Trunk port encapsulation: IEEE 802.1q
- D. [SWB]display interface Ethernet 1/0/1 Ethernet1/0/1 current state: UP ...... PVID: 1 Mdi type: auto Link delay is 0(sec) Port link-type: trunk VLAN passing: 1 (default vlan), VLAN permitted: 1 (default vlan), 2-4094 Trunk port encapsulation: IEEE 802.1q
Answer: C,D
NEW QUESTION 40
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 the corresponding IP address
- B. After the two-layer switch divides VLANs, hosts in different VLANs can communicate with the router by using an interface to connect the trunk port of the switch, and the router must support the 802.1Q protocol
- C. After the two-layer switch divides VLANs, hosts in different VLANs can use routers to realize communication. The method is that there is a physical interface and a physical connection between the router and each VLAN.
- D. The hosts in the VLAN divided by the switch can communicate, but the hosts in the VLAN cannot communicate
Answer: A,B,C,D
NEW QUESTION 41
Regarding the generation of TCNBPDU, the following statements are correct
- A. When a port of the switch is selected as the designated port or root port, the switch will immediately send TCNBPDU
- B. If the alternate port of a switch in the network is down, the switch will not generate TCN BPDUs
- C. STP-enabled non-root bridge switch If a port is connected to a PC, when the port enters the Forwarding switch, it will not produce TCN BPDU
- D. If the designated port link of a switch in the network is broken, the switch must generate TCNBPDU
Answer: B
NEW QUESTION 42
There are multiple IGMPv2 group member hosts (Client1/Client2/Client3) in the shared network segment, and multiple IGMPv2 routers (Router1/Router2), as shown in the following figure:
||192.168.207.254 192.168.207.253
|| Router1 Router2
||+++++
||111
|| III
||Clientl Client2 Client3
||192.168.207.1 192.168.207.2192.168.207.3 Then, the following statement is correct
- A. After the host receives the general group query message, Client1, Client2, and Client3 may all send the corresponding
- B. Routerl and Router2 periodically send general group queries to the shared network segment
- C. Only Router1 periodically sends general group queries to the shared network segment
- D. Only Router2 periodically sends general group queries to the shared network segment
- E. After the host receives the general group query message, Clientl sending the Report message for joining Group A will not inhibit the Report message for Client2 joining Group B
- F. After the host receives the query message, only Client1 sends the Report message
Answer: A,D,E
NEW QUESTION 43
In the switching network as shown in the figure, set VLAN10 as Isolate-userW VLAN2 and VLAN3 as the Secondary VLAN of VLAN 10 on the switch SWA; create VLAN2? VLAN20 on the switch SWB, and set VLAN20 as Isolate-user-vlan, VLAN4 For the Secondary VLAN of VLAN20, after setting the IP address of each device as shown in the figure, which statement is correct (choose one or more)
- A. The PCA packet enters from the GigabitEthem1/0/1 port of SWA, and the VLAN tag after exiting from the GigabitEthem1/0/3 port is VLAN2
- B. SWB packets enter from SWA's GigabitEthem1/0/3 port, and after exiting from GigabitEthem1/0/3 port, the VLAN Tag carried is VLAN20
- C. When SWB accesses PCA, the VLAN tag carried by GigabitEthem1/0/4 of SWB is VLAN 10
- D. The PCA packet comes out of the GigabitEthem1/0/port of SWA and enters the GigabitEthem1/0/4 port of SWB. The VLAN tag carried is VLAN20
Answer: D
NEW QUESTION 44
When the host receives the GeneralQuery message sent by the IGMPV2 querier, (choose one or more)
- A. The host immediately sends the MembershipReport message
- B. The host will send the Membership Report message only after receiving the GeneralQuery (GeneralQuery)
- C. The destination address of the Report message is the same as the GroupAddress address in the message
- D. The destination address of the Report message is 224.0.0.1
Answer: C
NEW QUESTION 45
Regarding the relationship between RSTP and STP, the correct statement is
- A. RSTP has all the functions of STP, but it only uses one type of BPDU
- B. The switch running RSTP can work with the switch running STP and improve the convergence time of STP
- C. RSTP is defined in the old EE802.1 D standard, and its protocol thinking is the same as STP, but the convergence time is improved
- D. RSTP can implement load sharing of data of different VLANs on Trunk links on the basis of STP
Answer: A
NEW QUESTION 46
......
GB0-371-ENU Exam questions and answers: https://www.realvce.com/GB0-371-ENU_free-dumps.html