[Jan-2022] GB0-371-ENU Braindumps – GB0-371-ENU Questions to Get Better Grades
GB0-371-ENU Exam Dumps - Try Best GB0-371-ENU Exam Questions - Real4Prep
NEW QUESTION 71
After executing the display interface Ethernet 1/0/2 command on the switch SWA, the output information is as follows:
[SWA]display interface Ethernet 1/0/2
Ethernet1/0/2 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 not be stripped off when they leave port Ethernet1/0/2
- B. Port Ethernet1/0/2 only allows data from VLAN 1 and VLAN 10 to pass through
- C. Data frames with VLAN20 tags will be discarded when they enter port Ethernet1/0/2
- D. The only VLANs existing on the switch are VLAN1 and VLAN10
Answer: A,C,D
NEW QUESTION 72
Regarding the configuration of BPDU and TCNBPDU, the statements are correct.
- A. Configuration BPDUs are usually only sent periodically by the root bridge, and TCNBPDUs may be sent by other bridges except the root bridge.
- B. Configure BPDUs to be sent only from the designated port, and TCNBPDUs to be sent only from the root port
- C. The configuration BPDU is usually received only from the root port, and the TCNBPDU is only received from the designated port
- D. AIternate port will neither send configuration BPDU nor TCNBPDU
Answer: A,B,C,D
NEW QUESTION 73
In the switching network as shown in the figure, VLAN10 is set as Super VLAN on the switch SWA, VLAN2 and VLAN3 are Sub VLANs of VLAN10, port Ethernet1/0/3 is Trunk port, PVID is VLAN1, allowing all VLANs to pass through; Create VLAN2~VLAN20 on SWB, port Ethernet1/0/4 as Trunk port, PVID is VLAN1, allowing all VLANs to be judged by setting the IP address of each device as shown in the figure (choose one or more)
- A. None of the above answers
- B. SWB can communicate with PCB
- C. SWB can communicate with PCC
- D. SWB can communicate with SWA
- E. SWB can communicate with PCA
Answer: A
NEW QUESTION 74
Regarding priority mapping and priority trust, there are correct statements
- A. After the packet enters the switch, if you want to queue according to the 802.1P or DSCP value, you must configure the port to trust 802.1P or DSCP
- B. After the packet enters the switch port, it will enter the queue according to the priority of DSCP by default
- C. After the message enters the switch port, it will enter the queue according to the priority of the port by default
- D. After the packet enters the switch port, it will enter the queue according to the priority of 802.1P by default
Answer: A,C
NEW QUESTION 75
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 following statement is correct (choose one or more)
- A. The PCA packet comes out of the GigabitEthem1/0/3 port of SWA and enters the GigabitEthe1/0/3 port of SWB, and the VLAN Tag carried is VLAN2
- B. The packet of PCA enters from the GigabitEther1/0/1 port of SWA, and does not carry the VLAN tag after exiting from the GigabitEther1/0/3 port
- C. When SWB accesses PCA, the VLAN tag carried by GigabitEthem1/0/4 of SWB is VLAN 1
- D. SWB packets enter from SWA's GigabitEthem1/0/3 port, and after exiting from GigabitEthem1/0/1 port, the VLANTag carried is VLAN2
Answer: B
NEW QUESTION 76
Which statement about the principle of SmartLink & Monitor Link is correct?
- A. 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
- B. MonitorLink sends Flush messages to notify other devices to refresh MAC address forwarding entries and ARP entries
- C. SmartLink sends Flush messages to notify other devices to refresh MAC address forwarding entries and ARP entries
- D. 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
Answer: C
NEW QUESTION 77
The following are functions of the convergence layer (choose one or more)
- A. Complex routing strategy
- B. Access security control
- C. Possess a large number of interfaces for connecting with end user computers
- D. High-speed packet switching
Answer: A
NEW QUESTION 78
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
10.1.1.0/30 Direct 0010.1.1.2Port1
10.1.1.1/32 Direct 0010.1.1.1Port1
10.1.1.2/32 Direct 00127.0.0.1 InLoopO
11.1.1.0/30 Direct 0011.1.1.1Port2
11.1.1.1/32 Direct 00127.0.0.1 InLoopO
12.1.1.0/30 Direct 0012.1.1.1Port3
12.1.1.1/32 Direct 00127.0.0.1 InLoopO
100.1.1.0/240SPF 10 1563 10.1.1.1 Portl
127.0.0.0/8 Direct 00127.0.0.1 InLoopO
127.0.0.1/32Direct 00127.0.0.1 InLoopO
100.1.0.0/160SPF 10 311.1.1.2 Port2
<RT2>display ip routing-table
Routing Tables: Public
Destination/MaskProtoPreCost NextHop Interface
20.1.1.0/30 Direct 0020.1.1.2Port1
20.1.1.1/32 Direct 0020.1.1.1 Portl
20.1.1.2/32 Direct 00127.0.0.1 InLoopO
11.1.1.0/30 Direct 0011.1.1.2Port2
11.1.1.2/32 Direct 00127.0.0.1 InLoopO
22.1.1.0/30 Direct 0022.1.1.1Port3
22.1.1.1/32 Direct 00127.0.0.1 InLoopO
100.1.1.0/240SPF 10 1564 11.1.1.1 Port2
127.0.0.0/8 Direct 00127.0.0.1 InLoopO
127.0.0.1/32Direct 00127.0.0.1 InLoopO
100.1.0.0/160SPF 10 220.1.1.1 Portl
Then, the (S, G) entry and exit interface lists of routers RT1 and RT2 are respectively
- A. RT1 incoming interface list: Portl
- B. RT2 outgoing interface list: Port2, Port3
- C. RT2 incoming interface list: Portl
- D. RT1 outgoing interface list: Port2, Port3
Answer: A,D
NEW QUESTION 79
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 80
What is included in the configuration of PIM-SM protocol?
- A. Can PIM-SM when under the interface
- B. Hello message priority options
- C. Can PIM-DM when under the interface
- D. C-BSR related configuration
- E. RP related configuration
Answer: A,B,D,E
NEW QUESTION 81
The connection form of switch SWA, SWB and SWC is as follows:
SWA--SWB--SWC
The three switches are correctly configured with the GVRP protocol to advertise VLAN information to each other. If VLAN 2 is manually created on SWA, the following description is correct
- A. After SWB receives the first Join message, Ma I sends the first Join message to SWC, and then waits for Jointime to send the second Join message
- B. SWA waits for the Holdtimer time to send the first Join message to SWB, and then waits for the Jointime time to send the second Join message
- C. After receiving the first Join message, SWB waits for the Holdtimer time to send the first Join message to SWC, and then waits for the Jointimer time to send the second Join message
- D. SWA immediately sends the first Join message to SWB, and then waits for the Jointimer time to send the second Join message
Answer: B,C
NEW QUESTION 82
The following statements about the role of BSR and RP in PIMSM are correct:
- A. If there is no BSR in the PIM-SM domain, RP information cannot be diffused, multicast receivers cannot join normally, and multicast traffic cannot be forwarded normally
- B. RP is a relay station for multicast sources to forward multicast traffic
- C. BSR controls the collection and dissemination of RP information and is the management core of the PIM-SM domain
- D. RP is the rendezvous point where multicast receivers join a multicast group
Answer: B,C,D
NEW QUESTION 83
The following statements about BSR and RP in PIMSM are correct (choose one or more)
- A. -There can only be one C-BSR in a PIMSM domain
- B. -There can only be one BSR in a PIMSM domain
- C. -There can only be one C-RP in a PIMSM domain
- D. There can only be one RP in a PIMSM domain
Answer: B
NEW QUESTION 84
In the network connection shown in the figure, SWA and SWB are Layer 3 switches, running STP+VRRP, and after the initial configuration is completed, SWA is the root of STP and Master of VRRP, and SWC is the Layer 2 switch connected to the access terminal , The following description about network link failure is correct
- A. After the link between SWA and SWC is interrupted, the VRRP Master will remain unchanged, but the SWC downstream terminal will not communicate with the gateway.
- B. When the link between SWA and SWB is interrupted, the topology of STP will change, and both upstream ports of SWC will become Forwarding
- C. When the link between SWA and SWC is interrupted, the topology of STP will change, and G1/0/2 of SWC will become Forwarding
- D. When the link between SWA and SWB is interrupted, the VRRP Master will switch, and SWB will become the new VRRP Master
Answer: B
NEW QUESTION 85
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. VLAN3
- B. VLAN2
- C. VLAN 1
- D. VLAN 10
Answer: B
NEW QUESTION 86
As shown in the figure, each switch enables RSTP. Assuming that each link has the same cost value, the following statement is correct
- A. If RSTP is cancelled on SWB, SWC port E0/1 will become the root port
- B. If both SWB and SWC RSTP are cancelled, the SWA port E0/2 will become the Backup port
- C. SWB port E0/1 is an alternate port
- D. Network calculation convergence does not need to wait twice the ForwardDelay time
Answer: A,B,C,D
NEW QUESTION 87
The stp mcheck command in the spanning tree configuration is correct.
- A. This command is used when switches of different manufacturers are interconnected and MSTP is running to check summary information
- B. This command is used when RSTP switch and MSTP switch are interconnected
- C. By running this command on the RSTP or MSTP switch port, the spanning tree description of the port can be switched to STP
- D. This command is used when the switch port running RSTP or MSTP is connected to STP equipment
Answer: D
NEW QUESTION 88
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