H3C Constructing H3C High-Performance Campus Networks

문제1
The customer's two switches SWA and SWB are connected together through seven Ethernet cables, and are configured with dynamic link aggregation. The corresponding ports on the switch SWA are Ethernet 1/0, Ethernet 1/0/2, and Ethernet 1/0/3 , Ethernet 1/0/4, Ethernet 1/0/5, Ethernet 1/0/6, Ethernet1/0/7 If the switches SWA and SWB only support 6 ports per aggregation group, and the SWA switch has the following configuration:
[SWA]interface Ethernet 1/0/7
[SWA-Ethernet1/0/7]lacp port-priority 4096
The LACP status output on the device is as follows:
[SWA]display lacp system-id
Actor System ID: 0x8000, 00e1-fc00-5000
[SWB]display lacp system-id
Actor System ID: 0x8000, 00e0-fc43-7384
From the above information, we can know_

A. In the case of the same port configuration, Ethernet1/0/1 port is the Unselected port of the aggregation group

B. In the case of the same port configuration, the Ethernet1/0/2 port is the Unselected port of the aggregation group

C. When the configuration of each port is the same, the Ethernet1/0/7 port is the Unselected port of the aggregation group

D. In the case of the same port configuration, Ethernet1/0/6 port is the Unselected port of the aggregation group

정답: C

문제2
In the network connection as shown in the figure, SWA/SWB/SWC are in the same MSTP domain and configure the same domain configuration
stp region-configuration
region-name h3c
instance 1 vlan 10
instance 2 vlan 20
instance 2 vlan 30
active region-configuration
The ports of the three interconnected links are all Access and belong to the VLAN as shown in the figure. The three switches respectively create the VLAN virtual interface corresponding to the Access link and run OSPF on the virtual interface. The IP address of the VLAN virtual interface is assigned as follows:
SWA: vlan-interface 10 (192.168.10.1); vlan-interface 30 (192.168.30.1)
SWB: vlan-interface 10 (192.168.10.2); vlan-interface 20 (192.168.20.1)
SWC: vlan-interface 20 (192.168.20.2); vlan-interface 30 (192.168.30.2)
When the interconnection ports are all UP and the STP and OSPF calculations are completed, the following descriptions about network connectivity are correct:

A. Three switches can establish OSPF neighbor relationships in pairs

B. Among the 6 interconnected addresses, at least two interconnected addresses are mutually unreachable

C. Two of the three switches cannot establish OSPF neighbor relationships

D. All interconnection addresses of the three switches are mutually reachable

정답: A

문제3
Regarding the designation of the MSTP root bridge, the correct statement is

A. The rootprimary command can be used to specify the first preference in an instance. After the command is specified, the priority of the root bridge cannot be modified

B. Use the rootsecondary command to specify the backup root bridge in an instance. When the root bridge fails or is shut down, the backup root bridge can replace the root bridge and become the root bridge of the specified spanning tree instance

C. If not specified, the root bridge of all instances in the MST region is the root bridge of IST by default

D. If multiple backup root bridges are set, when the root bridge fails, the backup root bridge with the smallest MAC address will become the root of the specified MST instance

정답: A,B,C,D

문제4
What is the correct statement about the MSTP calculation process?

A. Each MST region will have a Master port

B. In the actual calculation process, the CIST must be calculated first, and then the MSTI calculation

C. In the actual calculation process, the calculation of CST and IST is not in sequence, but is completed synchronously

D. The master port of the MST region must be located on the IST region root

정답: C,D

문제5
Which types of mirroring groups supported by H3C S series switches include the following

A. Remote-source

B. Remode

C. Remote-destination

D. Local

정답: A,C,D

문제6
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 VLAN20 Secondary VLA after setting the IP address of each device as shown in the figure, if the local proxy ARP function is enabled on both SWA and SWB, and both SWA and SWB are allowed to send ICMP packets, then on PCA Execute the command tracert 10.1.1.2, the PCA will show that it needs to go through a jump to reach the PCB (please fill in the Arabic numbers)

정답:

2

문제7
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. If PCA and PCB can communicate with each other, which of the following items should be included in the configuration on the switch SWA?

A. [SWA]vlan10 [SWA-vlan 10]subvlan 2 3

B. [SWA]interfaceVlan-interface 10 [SWA-Vlan-interface10]ip address 10.1.1.4 255.255.255.0 [SWA-Vlan-interface10]local-proxy-arp enable

C. [SWA]vlan3 [SWA-vlan3]port Ethernet 1/0/2

D. [SWA]vlan 10 [SWA-vlan 10]supervlan

E. [SWA]vlan2 [SWA-vlan2]port Ethernet 1/0/1

F. [SWA]vlan10 [SWA-vlan10] local-proxy-arp enable [SWA] interface Vlan-interface 10 [SWA-Vlan-interface10]ip address 10.1.1.4 255.255.255.0

G. [SWA]supervlan10 subvlan 2 3

H. [SWA]vlan10 [SWA-vlan 10]super vlan

정답: A,B,C,D,E

문제8
The following statements about PIM SM are correct:

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

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. 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

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

정답: B,D

문제9
Regarding root bridge protection, the following statements are correct

A. 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

B. 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

C. 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.

D. Root bridge protection is configured in port view

정답: A,B,C,D

문제10
In the switching network as shown in the figure, all three switches have only default VLAN1, the interconnection ports of the three switches are Trunk, and all VLANs are allowed to pass, and the three switches have the global and port GVRP functions enabled. VLAN 10 is created on the switch SWA, VLAN 20 is created on the switch SWC, and the GVRP registration mode of the Ethernet 1/0/1 port is set to Forbidden on the switch SWA, and the display vlan SWC is executed on the SWC. The existing VLANs on SWC are available (choose one or Multiple)

A. VLAN 10

B. VLAN20

C. VLAN 1

정답: B,C

문제11
A loop in the LAN may cause it.

A. Broadcast storm

B. MAC address learning error

C. Port rate changes

D. Port duplex mode changes

정답: A,B

문제12
The RRPP ring main ring 1 is formed on the customer LAN switches SWA, SWB, and SWC, which can be known from the above information

A. If the switch SWB is a transmission node and is in the Preforwarding state, it cannot receive the CommonFlush-FDB message from the master node within the specified time, and releases the temporarily blocked port by itself

B. If the switch SWA is the master node, it sends a Complete-Flush-FDB message in the Failed state to notify all transmission nodes to refresh FDB

C. If the switch SWB is a transmission node and is in the Preforwarding state, it cannot receive the Complete-Flush-FDB message from the master node within the specified time, and releases the temporarily blocked port by itself

D. If the switch SWA is the master node, a Common-Flush-FDB message is sent in the Failed state to notify all transmission nodes to refresh FDB

정답: C,D

문제13
The following statements about the registration process of PIM SM are correct (choose one or more)

A. Unlike the PUSH method of PIM DM, in PIM SM, the multicast source only starts to send multicast traffic when there are downstream receivers

B. After the RP normally receives the multicast forwarded traffic from the multicast source, it forwards the multicast to its downstream interface until the multicast receiver, forming an RPT from the RP to the multicast receiver along the way.

C. When a multicast source initially sends traffic, the connected DR will encapsulate several empty Register messages to register with the RP

D. After the RP receives the source registration message for the first time, it will send a (*, G) join message to the multicast source and establish (*, G) entries along the way

정답: B

최신H3C Constructing H3C High-Performance Campus Networks - GB0-371-ENU무료샘플문제

KoreaDumps의 제품으로 GO GO GO !

자격증의 중요성:

KoreaDumps 제품의 가치:

무료샘플 받아보기:

완벽한 서비스 제공: