[Q31-Q54] Valid GB0-371-ENU Practice Test Dumps with 100% Passing Guarantee [Jul-2022]

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Valid GB0-371-ENU Practice Test Dumps with 100% Passing Guarantee [Jul-2022]

GB0-371-ENU PDF Dumps Are Helpful To produce Your Dreams Correct QA’s

NO.31 The following technologies belong to the link backup technology in the redundant backup technology.

STP

RRPP

Smart-Link

Dynamic routing

Link aggregation

NO.32 In the PIM-DM networking, regarding the process of SPT formation (without considering the state refresh mechanism), the correct description is:

After the process of flooding and pruning, an SPT between the multicast source and the multicast receiver is formed

The diffusion-pruning process is carried out periodically

The pruned interface no longer sends multicast packets downstream

As long as the network topology and unicast routing information remain unchanged, the formed SPT tree will not change

NO.33 The Ethemet1/0/1 port configuration of the switch SWA is as follows:
interface Ethernet 1/0/1
port link-type trunk
port trunk permit vlan 10
port trunk pvid vlan 20
Now you need to modify the Ethernet 1/0/1 port of the switch SWA to a Hybrid port, the PVID is VLAN20, and the data frame of VLAN10 is tagged, then the following configuration process is correct (choose one or more)

[SWA-Ethernet1/0/1]portlink-type access [SWA-Ethernet1/0/1]port access vlan 20 [SWA-Ethernet1/0/1]port link-type hybrid [SWA-Ethernet1/0/1]port hybrid vlan 10 tagged

[SWA-Ethernet1/0/1]portlink-type access [SWA-Ethernet1/0/1]port link-type hybrid [SWA-Ethernet1/0/1]port hybrid pvid vlan 20 [SWA-Ethernet1/0/1]port hybrid vlan 10 tagged

[SWA-Ethernet1/0/1]undoportlink-type [SWA-Ethernet1 /0/1 ]portlink-type hybrid [SWA-Ethernet1/0/1]port hybrid pvid vlan 20 [SWA-Ethernet1/0/1]port hybrid vlan 10 tagged

[SWA-Ethernet1/0/1]port link-type hybrid

None of the above is correct

NO.34 As shown in the networking, initially Link 2 is not connected, and STP is not enabled on the switches, and the PCB can send data to PCA. If Link 1 fails at this time, the maintenance staff connects Link 2 to the PCA. The restoration process of the transmission service is correct (assuming that the PCA will not actively send data)

SWB’s E0/1 interface can immediately enter the forwarding state

SWC can immediately forward the data from PCB to PCA to SWB

It will take 30 seconds for the business from PCB to PCA to resume by default

It will take 300 seconds for the business from PCB to PCA to resume by default

NO.35 As shown in the figure, initially SWA is connected to SWB through E0/1, and SWB is connected to SWC through port E0/2. SWA and SWC are not directly connected. After enabling STP and waiting for its convergence, connect SWA to SWC, which leads to the switch port The change of STP status, the correct description of this change is

Both SWA port E0/2 and SWC port E0/1 will stay in the Listening state and the Learning state for one Forward Delay period.

Both SWB port E0/2 and SWC port E0/2 will stay in the Listening state and the Learning state for one Forward Delay period.

SWC port E0/2 will go directly to Forwarding state from Listening state

SWB port E0/2 will go directly to Blocking state from Forwarding state

NO.36 As shown in the title picture, SWA, SWB, SWC and SWD enable STP. SWA, SWB and SWC form a loop. After the topology is stable, connect SWD and SWB. Assuming the same link overhead, the process of topology change of STP is The following statements are correct

SWD will send TCN BPDUs from port E0/1

SWB will send TCN BPDU from port E0/2

If the link between SWC and SWA is interrupted, SWC will send out TCN BPDU from port E0/3

If the link between SWB and SWC is interrupted, both SWB and SWC will send TCN BPDUs from port E0/2

NO.37 To query the CPU utilization of a certain device through SNMP, before executing the query action, which information should be mastered by the network management application

SNMP community attributes of the device

The management IP address of the device

OID of device CPU utilization

Instance ID of device CPU utilization

NO.38 The host PCA, PCB and PCC are respectively connected to the GigabitEthernet1/0/1 port of the switch SWA UP, Ethernet1/0/2 and Ethernet1/0/3 ports, and their addresses are in the same network segment, i exchange & SWA are configured
[SWA]vlan 10
[SWA-vlan10]port ethernet 1/0/1
[SWA-vlan10]quit
[SWA]vlan 20
[SWA-vlan20]port ethernet 1/0/2
[SWA-vlan20]quit
[SWA]vlan 30
[SWA-vlan30]port ethernet 1/0/3
[SWA-vlan30]quit
[SWA]interface ethernet 1/0/1
[SWA-Ethernet1/0/1]port link-type hybrid
[SWA-Ethernet1 /0/1] port hybrid vlan 10 30 untagged
[SWA-Ethernet1/0/1]quit
[SWA]interface ethernet 1/0/2
[SWA-Ethernet1/0/2]port link-type hybrid
[SWA-Ethernet1 /0/2]port hybrid vlan 20 30 untagged
[SWA-Ethernet1/0/2]quit
[SWA]interface ethernet 1/0/3
[SWA-Ethernet1/0/3]port link-type hybrid
[SWA-Ethernet1 /0/3]port hybrid vlan 10 20 30 untagged
-Can judge __ (choose one or more) based on the above information

Intercommunication between PCA and PCB

Intercommunication between PCA and PCC

PCB and PCC can communicate directly

Two PCs cannot communicate with each other

The configuration command is incorrect

NO.39 Regarding root bridge protection, the following statements are correct

When root bridge protection is not configured, the root bridge will lose its status as the root bridge if it receives a higher priority BPDU

After the root bridge protection is configured, the ports receive high-priority BPDUs, and the status of these ports will be set to Listening and no longer forward packets

The port will undergo a transition from the Listening state to the Fonwarding state. During this period, if the port does not receive a better BPDU, the port will resume its original forwarding state.

Root bridge protection is configured in port view

NO.40 In the network as shown in the figure, the PIMSM 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 unicast routing table is viewed in RT3 as follows :
[RT3]display ip routing-table
Routing Tables: Public
Destinations: 10 Routes: 10
Destination/MaskProtoPreCost NextHop Interface
1.1.1.1/320SPF 10 1562 192.168.0.1 S0/2/0
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
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

RT1

RT2

RT3

NO.41 What is correct about the STP root bridge?

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

All ports on the root bridge are fixed ports

There is no root port on the root bridge

Alternate ports may exist on the root bridge

NO.42 Which statement about the STP protocol is correct?

STP is used to construct the shortest path between two nodes in the LAN

STP is used to eliminate data link layer loops in LAN

STP is mainly used in token ring networks

When the active link fails, STP can activate the redundant link and restore network connectivity

NO.43 When the switch running MSTP and the switch running RSTP work together, the statement is correct.

The RSTP switch regards the MST domain as a logical switch, and the bridge ID is the ID of the switch directly connected to the RSTP switch in the MST domain

The MSTP switch will treat the RSTP switch as an MSTP domain composed of a single switch

MSTP switch and RSTP switch can belong to the same MST domain

MSTP switch will parse RSTBPDU into MST BPDU, where IRPC is 0

NO.44 As shown in the diagram, SWA, SWB and SWC enable STP. If the bridge priority of SWA is set to 61440 after topology convergence, the following statements are correct.

After the priority is adjusted, SWA will still send configuration BPDUs with itself as the root.

After SWC receives a low priority configuration BPDU, it will immediately respond to a configuration BPDU with itself as the root

After the configuration BPDU saved locally by the SWB ages, it will send the configuration BPDU rooted to the SWA

The topology will re-converge after 30 seconds by default

NO.45 The multicast IP address is 229.130.130.1, and the corresponding mac address is:

NO.46 Two routers RTA and RTB are connected through a LAN to form a VRRP backup group. The configuration of each interface is as follows:
GigabitEthernet1/0.1 of RTA
vlan-type dot1 q vid 2
ip address 192.168.0.252 255.255.255.0
vrrp vrid 1 virtual-ip 192.168.0.254
vrrp vrid 1 priority 120
GigabitEthernet1/0.2 of RTA
vlan-type dot1 q vid 3
ip address 192.168.1.252 255.255.255.0
vrrp vrid 2 virtual-ip 192.168.1.254
vrrp vrid 2 priority 120
GigabitEthernet1/0.1 of RTB:
vlan-type dot1 q vid 2
ip address 192.168.0.253 255.255.255.0
vrrp vrid 1 virtual-ip 192.168.0.254
GigabitEthernet1/0.2 of RTB:
vlan-type dot1 q vid 3
ip address 192.168.1.253 255.255.255.0
vrrp vrid 2 virtual-ip 192.168.1.254
The IP addresses of HostA and HostB in the LAN are 192.168.0.1 and 192.168.1.1 respectively. From the above information, we can know

If the backup group uses real MAC mode, the gateway MAC addresses learned by HostA and HostB are the same

If the backup group uses real MAC mode, the gateway MAC addresses learned by HostA and HostB are inconsistent

The backup group uses virtual MAC mode, and the gateway MAC addresses learned by HostA and HostB are the same

If the backup group uses virtual MAC, the gateway MAC addresses learned by HostA and HostB are inconsistent

NO.47 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 a 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, the following statement is correct

The PCC packet comes out of the Ethernet1/0/4 port of SWB and enters the Ethernet1/0/3 port of SWA. The VLAN tag carried is VLAN 1

The PCC message comes out of the Ethernet1/0/4 port of SWB and enters the Ethernet1/0/3 port of SWA, and the VLAN tag carried is VLAN2

The PCC message comes out of the SWB’s Ethernet1/0/4 port and enters the SWA’s Ethernet1/0/3 port, and the VLAN tag carried is VLAN3

The PCC message comes out of the SWB’s Ethernet1/0/4 port, and after entering the SWA’s Ethernet1/0/3 port, the VLAN tag carried is VLAN 10

NO.48 The customer’s LAN switch SWA is connected to SWB through Gigabitthem 2/0/1, and to SWC through GigabitEthernet 2/0/2, and the SNA switch has the following configuration:
[SWA]smart-link group 1
[SWA-smlk-group1 ]protected-vlan reference-instance 0 to 32
[SWA-smlk-group1]port gigabitethernet 2/0/1 slave
[SWA-smlk-group1]port gigabitethernet 2/0/2 master
[SWA-smlk-group1 ]flush enable control-vlan 10
If the interconnection interfaces of switch SWA, switch SWB, and switch SWC allow all VLANs to pass, you can know from the above information

Under normal circumstances, SWA switch traffic will be uplinked through Gigabitethernet 2/0/1

Under normal circumstances, SWA switch traffic will be uplinked through Gigabitethernet 2/0/2

If the Gigabitethernet 2/0/1 port fails, the SWA switch will broadcast flush packets in all VLANs

If the Gigabitethernet 2/0/2 port fails, the SWA switch will broadcast flush packets in all VLANs

NO.49 The SNMP protocol adopts the C/S structure and gives UDP to realize the message transmission. In order to ensure the normal interaction of protocol messages between the network management workstation and SNMP, they all need to monitor the specific UDP port number. The following statement about them is correct.

Both the network management workstation and the SNMP agent monitor UDP port 161

Both the gateway workstation and SNMP agent monitor UDP port 162

The gateway workstation monitors UDP port 161, and the SNMP agent monitors UDP port 162

The gateway workstation monitors UDP port 162, and the SNMP agent monitors UDP port 161

NO.50 In the network 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 to view the unicast routing table in RT3 as follows:
[RT3]display ip routing-table
Routing Tables: Public
Destinations: 10 Routes: 10
Destination/MaskProtoPreCost NextHop Interface
1.1.1.1/320SPF 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
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

RT1

RT2

RT3

NO.51 In the switching network shown in the figure, VLAN10 is set as Isolate-user-vlan on the switch SWA, VLAN2 and VLAN3 are set as the Secondary VLAN of VLAN 10; VLAN2? VLAN20 is created on the switch SWB, and VLAN20 is set as Isolate-user-vlan , VLAN4 is VLAN20 Secondary VLA 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. At first, the switch and pc did not learn their corresponding ARP entries in PCA. During the process of pinging PCB, PCA will send an ARP request. The source MAC address of the ARP request packet forwarded by the switch to PCB is

0000.0000.0000

0011.1111.1111

00E0.FC00.0010

00E0.FC00.0020

NO.52 The IP address of the host PCA is 40.1.1.1 and the MAC address is 0011.1111.11, which is connected to the GigabitEthernet 1/0/1 port of the switch. The following commands are configured on the switch:
[H3C]vlan 10
[H3C-vlan10]quit
[H3C]vlan 20
[H3C-vlan20]protocol-vlan ipv4
[H3C-vlan20]quit
[H3C]vlan 30
[H3C-vlan30]quit
[H3C]mac-vlan mac-address 0022-2222-2222 vlan 30
[H3C]vlan 40
[H3C-vlan40]ip-subnet-vlan ip 40.1.1.0 255.255.255.0
[H3C-vlan40]quit
[H3C]interface GigabitEthernet 1/0/1
[H3C-GigabitEthernet1/0/1]port link-type hybrid
[H3C-GigabitEthernet1/0/1]port hybrid pvid vlan 10
[H3C-GigabitEthernet1/0/1]port hybrid vlan 10 20 30 40 untagged
[H3C-GigabitEthernet1/0/1]port hybrid protocol-vlan vlan 20 0
[H3C-GigabitEthernet1/0/1]port hybrid ip-subnet-vlan vlan 40
[H3C-GigabitEthernet1 /0/1 ]mac-vlan enable
After the configuration is complete, it can be judged that PCA will join

VLAN 10

VLAN20

VLAN30

VLAN40

NO.53 SNMP vc2 relative to the improvement of SNMPV1 protocol includes

Added GETBULK REQUEST operation, which can request large quantities of data at once

All operations have become non-atomic, greatly improving the effectiveness of protocol message interaction

Provide richer error codes, which can express errors more accurately and facilitate problem location

Provide a more reliable security mechanism and make the application more secure

NO.54 In the switching network as shown in the figure, VLAN10 is set as Super VLAN on switch SWA, VLAN2 and VLAN3 are Sub VLAN 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 set the IP address of each device as shown in the figure, check the MAC address table on SWA, you can judge PCC belongs to

VLAN 1

VLAN 2

VLAN 3

VLAN 10

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