최신 GB0-372-ENU 무료덤프

문제1

The advantages of the hierarchical network model include_____.(Multiple choice)

A. Facilitate network maintenance

B. Enhance network scalability

C. Improve network throughput

D. Reduce end-to-end latency

정답: A,B

문제2

Which of the following statements about MST regions are correct? (Multiple choice)

A. RSTP runs between MST regions

B. Switches belonging to the same MST region must have the same VLAN and instance mapping relationship.

C. If the MST domain names configured on two switches are different, then the two switches must belong to different MST regions.

D. The switches running MSTP need to exchange complete VLAN and instance mappings. If the mappings are different, the switches do not belong to the same MST region.

정답: A,B,C

문제3

In the network shown in the figure, the corresponding configuration is completed on the switch SWA, and the switch SWA and each PC have learned the corresponding ARP.
PCA accesses PCB and sends an ICMP request message. Switch SWA forwards which of the following MAC address to PCB?

A. MAC10

B. MAC_A

C. MAC20

D. 0000.0000.0000

정답: C

문제4

In the switching network shown in the figure, VLAN 10 is set as Super VLAN on switch SWA, VLAN2 and VLAN3 are sub VLANs of VLAN 10, port Ethernet1/0/3 is a Trunk port, PVID is VLAN1, and all VLANs are allowed to pass; VLAN2~VLAN20 are created on switch SWB. Port Ethernet/0/4 is a Trunk port, PVID is VLAN1, and all VLANs are allowed to pass. After setting the IP addresses of each device as shown in the figure, which of the following statement is correct?

A. The PCC message comes out of SWB's Ethernet 1/0/4 port and enters SWA's Ethernet 1/0/3 port.
The VLAN tag it carries is VLAN 3.

B. The PCC message comes out of SWB's Ethernet 1/0/4 port and enters SWA's Ethernet 1/0/3 port.
The VLAN tag it carries is VLAN 10.

C. The PCC message comes out of SWB's Ethernet 1/0/4 port and enters SWA's Ethernet 1/0/3 port.
The VLAN tag it carries is VLAN 1.

D. The PCC message comes out of SWB's Ethernet 1/0/4 port and enters SWA's Ethernet 1/0/3 port.
The VLAN tag it carries is VLAN 2.

정답: D

문제5

Which of the following is the multicast destination address of the Hello message in PIM?

A. 224.0.0.13

B. 224.0.0.5

C. 224.0.0.9

D. 224.0.0.21

정답: A

문제6

Which of the following statements about the BPDU format of MSTP is correct? (Multiple choice)

A. The MSTI specifies that the port priority field is 2 bytes long, including 1 byte of port priority and 1 byte of port number.

B. The timer value in the RSTBPDU will be used during the MSTI calculation process, and the timer parameters will not be carried in each MSTI configuration message

C. The MSTI specifies that the bridge priority field is 8 bytes long, including 2 bytes of bridge priority and
6 bytes of bridge MAC address.

D. If the switch is not configured with VLAN-to-instance mapping, the MSTBPDU will not carry any MSTI configuration information.

정답: B,D

문제7

What advantages does SDN network have in the future network evolution process? (Multiple choice)

A. White-box network equipment

B. System-Open programmable interface

C. Rapid business launch

D. Increase the speed of network innovation

정답: A,B,C,D

문제8

There are multiple IGMPV2 group member hosts (Client1/Client2/Client3) and multiple IGMPv2 routers (Router1/Router2) in the shared network segment, as shown in the following figure:

Then, which of the following statement is correct? (Multiple choice)

A. Only Router2 periodically sends general group queries to the shared network segment

B. Only Router1 periodically sends general group queries to the shared network segment

C. After the host receives the general group query message, Client1, Client2, and Client3 may send the same

D. After the host receives the query message, only Client1 sends a Report message

E. After the host receives the general group query message, Client1 sends a Report message to join group A, which will not suppress Client2's Report message to join group B.

F. Router1 and Router2 periodically send general group queries to the shared network segment

정답: A,C,E

문제9

The customer's LAN switch SWA has dual uplink connections to switches SWB and SWC.
SmartLink is used to ensure link reliability. The SWA switch has the following configuration:
[SWA-smlk-group1] smart-link flush enable control-vlan 10 The SWB switch has the following configuration?
[SWB-GigabitEthernet1/0/1] smart-link flush enables control-vlan 100 The SWC switch has the following configuration:
[SWC-GigabitEthernet1/0/1] smart-link flush enables control-vlan 100
If the interconnection interfaces of switches SWA, SWB, and SWC allow all VLANs to pass, what can we learn from the above information? (Multiple choice)

A. Change the receiving control VLAN of SWB and SWC switches to 10, and the SmartLink backup function of SWA switch can be realized normally.

B. Change the receiving control VLAN of SWB and SWC switches to 10. SWB and SWC switches refresh MAC and ARP through traffic.

C. No configuration changes are required, the SmartLink backup function of the SWA switch can be realized

D. If the configuration is not changed, the SmartLink backup function of the SWA switch cannot be realized

정답: A,C

문제10

Which of the following statements is correct about the fast convergence mechanism of MSTP?
(Multiple choice)

A. In MSTP, edge ports can be specified for instances, that is, a port can be an edge port in some instances and a normal port in some instances.

B. MSTP supports all the fast convergence mechanisms of RSTP

C. MSTP can work with RSTP switches to achieve fast convergence

D. All fast convergence mechanisms of MSTP and RSTP are the same

정답: B,C

문제11

Regarding the relationship between the switch port mode and the IP phone voice stream type, which of the following is correct? (Multiple choice)

A. If the IP phone voice stream is untagged, the switch port can only work in manual mode.

B. If the IP phone voice stream is tagged, the switch port can work in automatic and manual modes.

C. In automatic mode, the port cannot be an Access port

D. In manual mode, the port can only be a Trunk port

정답: A,B,C

문제12

The customer LAN switches SWA, SWB, and SWC form the RRPP ring main ring 1. What can we learn from the above information?

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

B. If switch SWB is a transmission node and is in the Preforwarding state, it will automatically release the temporarily blocked port if it fails to receive the Complete-Flush-FDB message from the master node within the specified time.

C. If switch SWB is a transmission node and is in the Preforwarding state, it will not receive the Common-Flush-FDB message from the master node within the specified time, and will automatically release the temporarily blocked port.

정답: A

최신 GB0-372-ENU 무료덤프 - H3CSE-RS-SW

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