GB0-371-ENU無料問題集「H3C Constructing H3C High-Performance Campus Networks」

質問 1

The customer LAN switches SWA, SWB, and SWC form the RRPP ring main ring 1, and the switch SWA has the following configuration information:
[SWA] rrpp domain 1
[SWA-rrpp-domain1] control-vlan 4092
If the switch SWA ports Gigabitethernet 1/0/1 and Gigabitethernet 1/0/2 are connected to the RRPP ring, we can know from the above information

（A）If SWA is a transit node, when the RRPP ring is in a healthy state, the SWA main port only allows VLAN4092 to pass

（B）If SWA is the master node, the functions of GigabitEthernet 1/0/1 and GigabitEthem 1/0/ 1/0/2 are the same

（C）If SWA is the master node, when the R&PP ring is in a healthy state, the SWA secondary port only allows VLAN4092 to pass

（D）If SWA is a transmission node, the functions of Gigabitethernet1/0/1 and Gigabitethernet1/0/2 are the same

正解：C、D 解答を投票する

質問 2

In the switching network as shown in the figure, VLAN10 is set as SuperVLAN on the switch SWA, and VLAN2 and VLAN3 are Sub VLANs of VLAN10. The PCA and PCB are required to communicate with each other. After the switch SWA configuration is completed, the PCA can ping the PCB. After that, regarding the ARP entries on the PCA, PCB and switch SWA, the correct description below is _ (choose one or more)

（A）None of the above is correct

（B）The ARP table entry learned on the PCB is: Internet AddressPhysical AddressType 10.1.1.1 00E0-FC0A-0010 dynamic

（C）The ARP i item learned on SWA is: IP Address MAC Address VLAN ID InterfaceAging Type 10.1.1.1 0011-1111-11112Eth1/0/1 20D 10.1.1.2 0022-2222-22223Eth 1/0/2 20D

（D）The ARP entry learned on PCA is: Internet AddressPhysical AddressType 10.1.1.2 0022-2222-2222 dynamic

正解：B、C 解答を投票する

質問 3

The following information is the snmp-related configuration on a H3C network device:
snmp-agent
snmp-agent local-engineid 800007DB00E0FC79887C6877
snmp-agent community read public
snmp-agent community write private
snmp-agent sys-info version all
Which description of the result of snmp access to this device is correct?

（A）No matter which version is adopted, this device cannot be accessed and set up

（B）You can successfully access and set up this device through snmpv1

（C）You can successfully access and set this device through snmpV3

（D）You can successfully access and set up this device through snmpv2c

正解：B、D 解答を投票する

質問 4

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

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

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

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

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

正解：A、C 解答を投票する

質問 5

In the networking model shown in the figure, after the configuration is completed, it is found that the user authentication fails, then the possible cause of the failure is

（A）No default domain is specified on RADIUSClient

（B）The message shared key between RADIUS Server and RADIUs Client is inconsistent

（C）The username is not configured on the RADIUSServer

（D）The network cable between RADIUS Server and RADIUs Client is not connected

正解：A、B、C、D 解答を投票する

質問 6

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）Pull out the standby main control board

（B）Unplug 2 power supplies

（C）Pull out 1 fan

（D）Unplug the business board

正解：B、D 解答を投票する

質問 7

In the switching network as shown in the figure, set VLAN10 to Isolate-userW, 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, and VLAN4 to After setting the IP address of each device according to the secondary VLA of VLAN20 as shown in the figure, check the MAC address table on SWA, and you can judge that PCA belongs to _ (choose two or more)

（A）VLAN1

（B）VLAN20

（C）VLAN2

（D）VLAN10

（E）VLAN4

（F）VLAN3

正解：C、D 解答を投票する

質問 8

The customer's two switches SWA and SWB are connected together through a LAN. The two switches SWA and SWB form a link aggregation group. Check the aggregation group status on the SWA as follows:
[SWA]display link-aggregation verbose
Loadsharing Type: Shar - Loadsharing, NonS - Non-Loadsharing
Port Status: S - Selected, U - Unselected
Flags: A - LACP_Activity, B - LACP_Timeout, C - Aggregation,
D - Synchronization, E - Collecting, F - Distributing,
G - Defaulted, H - Expired
System ID: 0x8000, 000f-e245-6bc0
Local:
Port StatusPriority Oper-KeyFlag
GE1/0/1S 327682 {ACDEF}KOKOMADE
GE1/0/2S 327682 {ACDEF}KOKOMADE
GE1/0/3S 327682 {ACDEF}KOKOMADE
Remote:
ActorPartner Priority Oper-KeySystemID Flag
GE1/0/125327682 0x8000, 000f-e23d-59f0 {ACDEF}KOKOMADE
GE1/0/226327682 0x8000 000f-e23d-59f0 {ACDEF}KOKOMADE
GE1/0/327327682 0x8000 000f-e23d-59f0 {ACDEF}KOKOMADE
It can be known from the above information

（A）Link aggregation port bandwidth size 2G

（B）The static aggregation group is established between the switch SWA and the switch SWB

（C）The dynamic aggregation group is established between the switch SWA and the switch SWB

（D）LACP priority is 0x8001

正解：C 解答を投票する

質問 9

After executing the display interface Ethernet 1/0/1 command on the switch SWA, the output information is as follows:
[SWA]display interface Ethernet 1/0/1
Ethernet1/0/1 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 discarded when they enter Ethernet1/0/1

（B）Data frames without VLAN tags will be tagged with VLAN10 when they enter the port Ethernet1/0/1

（C）Port Ethernet1/0 is a Trunk port, which only allows data frames of VLAN 10 to pass through

（D）Data frames with VLAN10 tags will not be stripped off when Ethernet1/0/1

正解：A、B 解答を投票する

質問 10

The configuration command to enable the QinQ function of the Ethernet port on the H3C series switch is

（A）qinq enable

正解：A 解答を投票する

質問 11

The following statements about RP selection in PIMSM are correct (choose one or more)

（A）Finally compare the C-RP address, the one with the smaller value wins

（B）Compare the hash value calculated by the Hash function, the larger value wins

（C）Finally compare the C-RP addresses, the one with the larger value wins

（D）First compare the priority of C-RP, the higher priority wins

正解：B、C、D 解答を投票する

質問 12

The following technologies belong to the link backup technology in the redundant backup technology.

（A）Dynamic routing

（B）RRPP

（C）Link aggregation

（D）STP

（E）Smart-Link

正解：B、C、D、E 解答を投票する

質問 13

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）By default, the larger the port cost, the smaller the port bandwidth

（C）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

（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

正解：A、B、C、D 解答を投票する

質問 14

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)

（A）SWC can immediately forward the data from PCB to PCA to SWB

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

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

（D）SWB's E0/1 interface can immediately enter the forwarding state

正解：B、D 解答を投票する

質問 15

In the network as shown in the figure, the switch SWA is a Layer 2 switch, and the router RTA is the gateway of each PC. The following configuration is made on the router RTA:
[RTA]interface Ethernet 0/0
[RTA-Ethernet0/0]ip address 10.10.10.1 255.255.255.0
[RTA-Ethernet0/0]interface ethernet 0/0.2
[RTA-Ethernet0/0.2]ip address 20.20.20.1 255.255.255.0
[RTA-Ethernet0/0.2]vlan-type dotlq vid 2
[RTA-Ethernet0/0.2]interface ethernet 0/0.3
[RTA-Ethernet0/0.3]ip address 30.30.30.1 255.255.255.0
[RTA-Ethernet0/0.3]vlan-type dotlq vid 3
After completing the corresponding configuration on the switch SWA, PCA, PCB and PCC can ping their own gateway. The configuration of the switch SWA port Ethernet1/0/4 should be (choose one or more)

（A）interface Ethernet1/0/4 port link-mode bridge port link-type trunk port trunk permit vlan all port trunk pvid vlan 3

（B）interfaceEthernet 1/0/4 port link-mode bridge port link-type trunk port trunk permit vlan all

（C）interface Ethernet 1/0/4 port link-mode bridge port link-type trunk port trunk permit vlan all port trunk pvid vlan 10

（D）interfaceEthernet1/0/4 port link-mode bridge port link-type trunk port trunk permit vlan all port trunk pvid vlan 2

正解：B 解答を投票する

質問 16

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 S\NA 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

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

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

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

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

正解：A 解答を投票する

質問 17

As the above topology, the loop formed by SWA, SWB and SWC enables STP, then the following statement is correct:

（A）After the STP converges, connect the SWD to the network through the dotted link 1 in the figure, then the SWD will first send the configuration BPDU with itself as the root, and after the longest Hello Time, the SWC will send the SWD the configuration with the SWA as the root BPDU

（B）Before joining SWD, after STP converges, SWC will receive configuration BPDUs from both E0/1 and E0/2

（C）Before joining SWD, after STP convergence, SWB port E0/2 is an alternate port

（D）After the STP converges, connect the SWD to the network through the dotted link 1 in the figure, and the SWD will first send the configuration BPDU with itself as the root, and the SWB will immediately respond to the configuration BPDU with the SWA as the root.

正解：B、D 解答を投票する

質問 18

The following statements about PIM SM are correct:

（A）When a multicast source initially sends traffic, an (S, G) entry will be formed on the DR connected to it

（B）Before the multicast traffic is normally forwarded from the RP to the multicast receiver, the routers along the way have established (*, G) entries

（C）The RP will forward multicast traffic downstream only after receiving the data forwarded by the multicast source.

（D）When receiving a registration message from a multicast source, the RP sends a join message to the multicast source, and generates an (S, G) entry when it receives traffic from the multicast source normally multicast forwarding

正解：A、B 解答を投票する

GB0-371-ENU 無料問題集「H3C Constructing H3C High-Performance Campus Networks」

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