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

문제1

In the networking shown in the figure, the PIM SM protocol runs between RT1, RT2, and RT3, the RP is 1.1.1.1 There is a multicast source connected to the downstream interface of RT1 and RT2, and there are downstream receivers on the RP, then when the RP sends After registering the stop message, which of the following routers have (S, G) entries

A. RT1

B. RT3

C. RT2

정답: A,B,C

문제2

Regarding the POE system, ______ is correct.

A. POE usually uses min-span and end-span power supply methods

B. Usually PSE can support two methods of mid-span and end-span, PD can only support one

C. The POE system includes two parts: PSE equipment and PD equipment, where PD is the power supply device, and PSE is the power receiving device

D. The voltage provided by the POE power supply is 48V, and the output power does not exceed 13W

정답: A,D

문제3

In the networking 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 multicast source 2.2.2.2 is connected to View the unicast routing table on RT3 on RT2 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 192.168.0.1 S0/2/0
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. RT1

B. RT3

C. RT2

정답: A,B

문제4

Regarding RP and BSR, which of the following statements are correct?

A. There can only be one BSR in a PIM-SM domain

B. BSR is responsible for collecting and publishing RP information in PIM-SM domain i

C. When configuring RP through dynamic election, you can configure the router that intends to become RP as C-RP

D. RP in PIM-SM can be specified manually or dynamically elected

정답: A,B,C,D

문제5

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
1.1.1.0/24xxxxP1-1 C1-110.1.1.1POI11
1.1.0.0/16xxxxP1-2 C1-210.1.1.1Port1
<RT2>display ip routing-table
Routing Tables: Public
Destination/MaskProtoPreCost NextHop Interface
1.1.1.0/24XXXX P2-1 C2-111.1.1.1Port2
1.1.1.1/32XXXX P2-2 C2-211.1.1.1Port2
Then, when routers RT1 and RT2 perform Assert, the winner should be

A. If P1-1=P2-2, C1-1>C2-2, then RT2 wins

B. If P1-1<P2-1, C1-1<C2-1, RT1 wins

C. If P1-1<P2-2, C1-1<C2-2, RT2 wins

D. If P1-1=P2-1, C1-1>C2-1, then RT1 wins

E. If P1-1=P2-1, C1-1=C2-1, then RT1 wins

F. If P1-1=P2-2, C1-1=C2-2, then RT2 wins

정답: A,F

문제6

The Layer 3 switch receives the data frame and performs the Layer 2/Layer 3 forwarding judgment

A. If the destination MAC address of the data frame is the MAC address of the VLAN interface of the switch, the switch will perform Layer 3 forwarding

B. If the destination IP address and source IP address of the data frame are not in the same network segment, the switch will look up the routing table for Layer 3 forwarding

C. If the destination IP address and source IP address of the data frame are in the same network segment, the switch will do Layer 2 forwarding

D. If the destination MAC address of the data frame is not the MAC address of the VLAN interface of the switch, the switch will look up the MAC address table and do Layer 2 forwarding in the VLAN

정답: A,D

문제7

In the network shown in the figure, the switch SWA is a two-layer switch, and the router RTA is the gateway of each PC. The following configuration is made on the router RTA:
[RTA]interface Ethernet 0/0.1
[RTA-Ethernet0/0.1]ip address 10.10.10.1 255.255.255.0
[RTA-EthernetO/0.1 ]vlan-type dotlq vid 1
[RTA-Ethernet0/0.1 Jinterface 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 phase configuration on the switch SWA, PCA, PCB and PCC can all ping their own gateway. The following is correct about the switch SWA port Ethernet1/0/4 (choose one or more)

A. interfaceEthernet1/0/4 port link-mode bridge port link-type trunk port trunk permit vlan all

B. interface Ethernet1/0/4 port link-mode bridge port link-type trunk port trunk permit vlan all port trunk pvid vlan 3

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

정답: C

문제8

Regarding TC protection, the following statements are correct

A. The system monitors whether the number of TC-BPDU packets received during this time period is greater than the threshold. If it is greater than the threshold, the device will delete the address table entry again after the time expires, so as to avoid frequent deletion and forwarding Address table entry

B. After the switch receives the TC-BPDU message, it will delete the MAC address table entry

C. After the TC protection function is enabled, within 10 seconds after receiving the TC-BPDU message, the device allows the number of address table item deletion operations immediately after receiving the TC-BPDU message can be controlled by the user

D. TC protection is configured in the system view

정답: A,B,C,D

문제9

The following statements about RP election in PIMSM are correct:

A. The announcement message information periodically sent by the C-RP router includes the C-RP address, priority, and the range of multicast groups it serves, etc.

B. After the BSR collects the announcement message information, it summarizes it into an RP-Set and sends it in multicast

C. -A multicast group can select multiple RPs for load sharing

D. One RP can serve multiple multicast groups

정답: A,B,D

문제10

The customer LAN switches SWA, SWB, and SWC form the RRPP ring main ring 1. If the switches SWB, SWC and SWD form sub-ring 2, the above information can be derived

A. If the switch SWB is the edge node of the sub-ring, it can initiate Maior-Fault packets

B. If the switch SWA is the master node of the primary ring, it can initiate a Health message

C. If the switch SWB is the edge node of the sub-ring, it can initiate Edge-Hello packets

D. If the switch SWA is the master node of the primary ring, it can initiate Link-Down packets

정답: B,C

문제11

Regarding the MSTP BPDU format, the correct statement is

A. Calculating CST only needs the value of RSTBPDU field

B. If the MST region is regarded as a switch that logically runs RSTP, the CIST region root ID is equivalent to the designated bridge ID of the RSTP switch, usually the ID is the bridge ID with the smallest value in the MST region

C. If the MST region is regarded as a logically running RSTP switch, the CIST external path cost is equivalent to the root path cost of the RSTP switch

D. MSTP BPDU consists of RSTBPDU field and MST specific field

정답: A,C,D

문제12

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 VLA of VLAN20, after setting the IP address of each device as shown in the figure, which of the following statements is correct (choose one or more)

A. PCA packets enter from the GigabitEthem 1/0/1 port of SWA, and the VLAN Tag VLAN 1 after exiting from the GigabitEthem 1/0/3 port

B. When SWB accesses PCA, the packet from SWB GigabitEth1/0/4 without VLAN Tag

C. SWB packets enter from SWA's GigabitEthem1/0/3 port, and after exiting from GigabitEthem1/0/1 port i, the VLAN Tag carried is VLAN 10

D. The PCA packet comes out of the GigabitEthem1/0/3 port of the SWA, and enters the GigabitEthem1/0/4 port of the SWB, and the VLAN tag carried is VLAN 10

정답: B

문제13

The customer purchased a router. If the performance index of the router is MTBF>Y14 8 years, and the average maintenance time MTTR<U1, the reliability of the router is

A. 99.9%

B. 99.99%

C. 99.999%

D. 99.9999%

정답: C

문제14

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

A. 00E0.FC00.0020

B. 0000.0000.0000

C. 0011.1111.1111

D. 00E0.FC00.0010

정답: A

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

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