최신 GB0-371-ENU 무료덤프 - H3C Constructing H3C High-Performance Campus Networks

문제1

Regarding the MSTP BPDU format, the correct statement is

A. IST calculation only requires the value in the MST proprietary field

B. The MST configuration ID field is used to determine whether the switch belongs to the same MST region

C. The number of MSTI configuration messages is determined by the number of VLANs

D. MSTI configuration message is used for MSTI spanning tree calculation

정답: B,D

문제2

In the networking shown in the figure, the interconnection lines between RT1, RT2, RT3 and RT4 are all 1000Mbps links except for the 10Mbps link sharing the Ethernet part, and the four routers run OSPF protocol to make the routing interoperable. The PIMSM protocol is running between them, and the RP is 1.1.1.1. There are receivers on the downstream interfaces of RT1 and RT2, and IGMP is enabled on the corresponding interfaces. Then, when the receiver (Received) sends a group join request, which of the following routers exist (*, G) table entry

A. RT1

B. RT4

C. RT3

D. RT2

정답: A,B,C,D

문제3

Which of the following statements about ring network technology is correct?

A. RRPR requires a dedicated hard cow, so the cost is higher

B. Ethernet ring technology is becoming more mature and low in cost. The technologies to solve the problem of layer 2 network loops include RPR and RRPP

C. The convergence time of RRPP has nothing to do with the number of nodes on the ring network, and can be applied to networks with larger network diameters

D. RRPP (Rapid Ring Protection Protocol) is a network layer protocol specifically applied to Ethernet rings

정답: C

문제4

The customer's LAN switch SWA dual uplink connects the switch SWB and the switch SWC, and the link reliability is ensured through SmartLink. If the MAC address of the switch SWA device is 000f-e269-42d1 and the MAC address of the switch SWB device is 000f-e269-42d2, the switch The MAC address of the SWC device is 000f-e269-42d3 from the above information.

A. When the switch SWA is connected to the switch SWB line failure, the purpose of the switch SWA to send the Flush message mac is 000f-e269-42d2

B. When the switch SWA is connected to the switch SWB line failure, the purpose of the Flush packet sent by the switch SWA mac is 000f-e269-42d1

C. None of the above answers are correct

D. When the switch SWA is connected to the switch SWB line failure, the purpose of the Flush packet sent by the switch SWA mac is 000f-e269-42d3

정답: C

문제5

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]port link-type trunk
[SWA-GigabitEthernet1/0/1]port trunk permit vlan 1 10 100
[SWA]interface GigabitEthernet 1/0/2
[SWA-GigabitEthernet1/0/2]port link-type trunk
[SWA-GigabitEthernet1/0/2]port trunk permit vlan 1 10
To configure link aggregation, aggregate these two links together. If the configuration on the SWB is correct, you can know from the above information

A. There is no need to change the allowed VLAN configuration, GigabitEthernet1/0/1 and GigabitEthernet 1/0/2 can join the same aggregation group

B. After link aggregation is configured on both SWA and SWB, if switch SWA and SWB enable MSTP, the MSTP port status of GigabitEthe1/0/1 and GigabitEthernet 1/0/2 are consistent

C. Because the allowed VLANs are different, GigabitEthe1/0/1 and GigabitEthe1/0/2 cannot join the same aggregation group

D. Only by changing the configuration of GigabitE1/0/2 to be consistent with GigabitEthe1/0/1, can they join the same aggregation group

정답: C,D

문제6

The customer purchases a router equipment. If the performance index of the router is MTBFW5000 and MTTRSOQ 5, the reliability of the router is

A. 99.9%

B. 99.99%

C. 99.999%

D. 99.9999%

정답: B

문제7

The figure shows the networking application of SmartLink and Monitor Link cascading. The Smart Link group on the switch SWH serves as the upstream port of the Monitor Link group on the switch SWH, and the opposite port of the downstream port of the Monitor Link group is the switch SWJ Smart Link group. The main port switch SWH upstream SWD and SWE ports are Smart Link group ports. It can be known from the above information

A. Switch SWJSmart Link group status has nothing to do with switch SWH

B. The switch SWH uplink switch SWE link is Down, then the main port of the switch SWJSmart Link group will be switched to the secondary port

C. Switch SWH upstream switch SWD link is Down, then the main port of the switch SWJSmart Link group will be switched to the secondary end

D. Switch SWH uplink switch SWD and SWE links are in Down state, then the main port of the switch SWJSmart Link group will be switched to the secondary port

정답: D

문제8

In the switching network as shown in the figure, set VLAN10 to Isolate-user-vlan VLAN2 and VLAN3 to the Secondary VLAN of VLAN 10 on the switch SWA; create VLAN2? VLAN20 on the switch SWB, and set VLAN20 to Isolate-user-vlan, The Secondary VLA with VLAN4 being VLAN20 can be judged after setting the IP address of each device as shown in the figure

A. PCA can communicate with SWB

B. PCA can communicate with PCC

C. PCA can communicate with SWA

D. PCA can communicate with PCB

E. SWA can communicate with SWB

정답: A,B,E

문제9

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

A. RT1

B. RT3

C. RT2

정답: B,C

문제10

The customer's LAN switch SWA is connected to SWB through GigabitEthenet 2/0/1, and to SWC through GigabitEthernet 2/0/2, and the SWA switch has the following configuration:
[SWA]stp region-configuration
[SWA-mst-region]instance 0 vlan 1 to 100
[SWA-mst-region]instance 2 vlan 101 to 200
[SWA]smart-link group 1
[SWA-smlk-group1 ]protected-vlan reference-instance 0
[SWA-smlk-group1]port gigabitethernet 2/0/1 master
[SWA-smlk-group1 ]port gigabitethernet 2/0/2 slave
[SWA] smart-link group 2
[SWA-smlk-group2]protected-vlan reference-instance 2
[SWA-smlk-group2]port gigabitethernet 2/0/2 master
[SWA-smlk-group2]port gigabitethernet 2/0/1 slave
If the SWA, SWB, and SWC ports allow all VLANs to pass, you can know from the above information

A. SWA switch VLAN2 traffic will be uplinked through Gigabitethernet 2/0/2

B. SWA switch VLAN 102 traffic will be uplinked through GigabitEthe 2/0/2

C. SWA switch VLAN2 traffic will be uplinked through GigabitEthernet 2/0/1

D. SWA switch VLAN 102 traffic will be uplinked through Gigabitethernet 2/0/1

정답: B,C

문제11

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 as VLAN1, allowing all VLANs to pass. After setting the IP address of each device as shown in the figure, you can judge (choose one or more item)

A. PCC can communicate with SWA

B. PCC can communicate with PCB

C. SWA can communicate with SWB

D. PCC can communicate with SWB

정답: A

문제12

As shown in the network, the switch enables RSTP, assuming that the cost of each link is the same, the following statements are correct:

A. If the SWD port EO/1 is down, the SWD port E0/2 will immediately change from the Alternate port to the new root port

B. Assuming that the spanning tree operating mode of SWB and SWC is modified to STP, the Alternate port of SWD can still enter the forwarding state directly after it becomes the new root port

C. If there are multiple alternate ports on the SWD, when the root port is down, SWD will select the port with the highest priority from these alternate ports as the new root port

D. After topology convergence, SWD will have one port as an alternate port

정답: C,D

문제13

Which of the following statements about SNMP v3 architecture is correct is _____.

A. SNMP Manager either has a command generator or an instruction receiver

B. An SNMP entity may be both SNMP Manager and SNMP Agent

C. SNMP engine includes scheduler, message processing subsystem, security subsystem and access control subsystem

D. SNMP application includes command generator, command responder, instruction generator, proxy forwarder, etc.

정답: B,C,D

문제14

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

A. 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

B. 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

C. 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

D. 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

정답: B

문제15

In the networking shown in the figure, the interconnection lines between RT1, RT2, RT3, and RT4 are all 1000M links except the shared Ethernet part which is a 10M link. The OSPF protocol is run to enable routing to communicate with these 4 routers. Both run PIMSM protocol, RP is 1.1.1.1, receivers are connected to the downstream interfaces of RT1 and RT2, and IGMP is enabled on the corresponding interfaces. Then, when the receiver sends a group join request, which of the following routers are connected (*, G) entry exists?

A. RT1

B. RT4

C. RT3

D. RT2

정답: A,C,D

문제16

The following statements about BSR and RP in PIMSM are correct:

A. During C-BSR election, the priority is first compared, and then the IP address of the bootstrap message is compared

B. BSR is generated through an automatic election process between C-BSR

C. After receiving the C-RP announcement message, the BSR calculates the RP to be selected by each multicast group according to the relationship between the RP and the multicast group, and multicasts the calculation result

D. C-RP routers periodically send announcement messages in multicast mode

정답: A,B

문제17

Mid-to-high-end switch equipment has its own redundancy. If the dual main control board of a core switch in the customer's network is active and standby redundant hot backup, AC power supply 2+1 redundant hot backup, and fan system 1:1 hot backup, Then, among the following operations, which may have a significant impact on the customer network is

A. Unplug 2 power supplies

B. Pull out the standby main control board

C. Unplug the business board

D. Pull out 1 fan

정답: A,C

문제18

What is included in the configuration of PIM-SM protocol?

A. Can PIM-DM when under the interface

B. C-BSR related configuration

C. Can PIM-SM when under the interface

D. Hello message priority options

E. RP related configuration

정답: B,C,D,E

문제19

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. The only VLANs existing on the switch are VLAN1 and VLAN10

B. Data frames with VLAN1 tags will not be stripped off when they leave port Ethernet1/0/2

C. Data frames with VLAN20 tags will be discarded when they enter port Ethernet1/0/2

D. Port Ethernet1/0/2 only allows data from VLAN 1 and VLAN 10 to pass through

정답: A,B,C

문제20

The core goal of highly reliable redundant network design is

A. Maximize network bandwidth

B. Minimize network management complexity

C. Minimize the existence of a single point of failure in the network

D. Maximize network access security

정답: C

최신 GB0-371-ENU 무료덤프 - H3C Constructing H3C High-Performance Campus Networks

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