GB0-371-ENUの無料問題集（337題）、GB0-371-ENU認定試験参考書

H3C GB0-371-ENU 問題集

試験コード：GB0-371-ENU

試験名称：Constructing H3C High-Performance Campus Networks

最近更新時間：2024-12-14

問題と解答：全337問

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質問 1：
Regarding root bridge protection, the following statements are correct:
A. The port will undergo a transition from the Listening state to the Forwarding state. During this period, if the port does not receive a better BPDU, the port will resume its original forwarding state.
B. Root bridge protection is configured in port view
C. 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
D. 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
正解：A,B,C,D

質問 2：
Regarding the BPDU format of MSTP, the correct statement is
A. MSTI specifies that the port priority field is 2 bytes in length, including 1 byte of port priority and 1 byte of port number
B. The MSTI calculation process will use the timer value in RSTBPDU instead of carrying the timer parameter in each MSTI configuration message
C. MSTI specifies that the bridge priority field has a length of 8 bytes, including two bytes of bridge priority and 6 bytes of bridge MAC address
D. If the switch is not configured with VLAN to instance mapping, MSTBPDU will not carry any MSTI configuration message
正解：B,D

質問 3：
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
A. Instance ID of device CPU utilization
B. The management IP address of the device
C. SNMP community attributes of the device
D. OID of device CPU utilization
正解：A,B,C,D

質問 4：
When the IGMPV3 host wishes to leave the multicast group G, the host will actively send a Membership Report message, and the group record contained in the message is
A. TO_EX (A, G)
B. TO_IN (A, G)
C. TO_IN (Null, G)
D. TO_EX (Null, G)
正解：C

質問 5：
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. If not specified, the root bridge of all instances in the MST region is the root bridge of IST by default
C. 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
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
正解：A,B,C,D

質問 6：
Regarding the bridge ID of STP, which statement is correct?
A. The bridge with the smallest bridge ID in the network will eventually become the root bridge after STP calculation
B. The MAC addresses of SWA and SWB are 00-E0-FC-00-00-11 and 00-E0-FC-11-00-11, and the priority of the two are 32768 and 4096 respectively. When SWA and SWB are used After ring networking and spanning tree protocol is enabled, SWA will become the root bridge
C. The length of the bridge priority field is 2 bytes, so the value range of the bridge priority is 0-65535
D. Bridge ID is composed of bridge MAC address and priority field. When comparing bridge ID, compare the MAC address first. The smaller MAC address value is preferred.
正解：A

質問 7：
Regarding the role and status of the STP port, the following statements are correct:
A. The designated port will enter the Forwarding state after two ForwardDelay durations
B. Only the designated port will eventually be in the Forwardig state
C. The port with the role of Alternate will not go through the Listening state and the Learning state
D. Only the Alternate port will be in the Blocking state
正解：A,C,D

質問 8：
Which statement about the principle of SmartLink & Monitor Link is correct?
A. MonitorLink realizes the redundant backup of the main and backup links, and enables the traffic to be quickly switched to the backup link after the main link fails
B. SmartLink sends Flush messages to notify other devices to refresh MAC address forwarding entries and ARP entries
C. SmartLink is a port linkage solution that monitors the device uplink. Follow the Up/Down status change of the uplink to trigger the Up/Down change of the downlink
D. MonitorLink sends Flush messages to notify other devices to refresh MAC address forwarding entries and ARP entries
正解：B

質問 9：
Among the following PIMV2 messages, the destination address is a unicast address:
A. Join
B. Assert
C. Graft
D. Prune
E. Register
F. Hello
正解：C,E

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H3C Constructing H3C High-Performance Campus Networks 認定 GB0-371-ENU 試験問題:

1. 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) LACP priority is 0x8001
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) Link aggregation port bandwidth size 2G

2. Which of the following protocols are not the multicast group management protocol running between the host and the router?

A) IGMPV2
B) MSDP
C) PIM-SM
D) PIM-DM
E) MLD

3. Regarding the description of Isolate-user-vlan technology and Super VLAN technology, the following is correct

A) Isolate-user-vlan is a Layer 2 VLAN technology, so switches that support isolate-user-vlan technology are Layer 2 switches
B) SuperVLAN is a three-layer VLAN technology, so all switches that support Super VLAN technology are three-layer switches
C) SuperVLAN technology is also called VLAN aggregation: the main purpose is to solve the waste of IP addresses or insufficient number of VLAN interfaces

4. The figure shows the networking application of RRPP. The customer LAN switches SWA, SWB, SWC, and SWD form RRPP ring main ring 1, and switches SWB, SWC and SWE form sub-ring 2. If the exchange SWE is the master node of subring 2, it can be known from the above information

A) If the link between the switch SWA and SWB is Down, and the link between the switch SWA and SWD is Down, the switch SWE will release the secondary port
B) If the link between the switch SWB and the switch SWC is Down, the switch SWE will release the secondary port
C) If the link between the switch SWA and the switch SWB is Down, the switch SWE will release the secondary port
D) If the link between the switch SWA and the switch SWB is Down, and the link between the switch SWB and SWC is Down, the switch SWE will release the secondary port

5. The figure shows the networking application of SmartLink and Monitor Link. The Smart Link group is configured on the switch SWD, and the Monitor Link group is configured on the switch SWB and switch SWC. The switch SWB is connected to the switch SWA port as the Monitor Link uplink port, and the switch SWB is connected to the switch SWD port. Monitor Link downlink port: The opposite port of the downlink port is the switch SWDSmart Link group port, which can be known from the above information

A) The link of the upstream switch SWA of the switch SWB is Down, and the status of the Smart Link group of the corresponding port of the switch SWD must change
B) The link of the switch SWB uplink switch SWA is Down, and the status of the Smart Link group of the corresponding port of the switch SWD may not change
C) The link of the upstream switch SWB of the switch SWD is Down, and the status of the upstream port of the switch SWBMonitor Link group may not change
D) The link of the switch SWD upstream switch SWB is Down, and the status of the upstream port of the switch SWBMonitor Link group must change

質問と回答：

質問 # 1
正解： C

質問 # 2
正解： B、C、D

質問 # 3
正解： B、C

質問 # 4
正解： D

質問 # 5
正解： B、C