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Huawei HCNP-R&S Fast Track Sample Questions:

1. STP ensures a loop-free network but has a slow network topology convergence speed, affecting communication quality. RSTP has made some improvements based on STP.
Which of the following improvements is not included?

A) RSTP reduces five port states to three port states based on user traffic forwarding and MAC address learning.
B) RSTP deletes three port states and adds two port roles.
C) If a port does not receive configuration BPDUs from the upstream device within four Hello intervals, the switch considers that the negotiation with the neighbor fails.
D) The non-root switch running RSTP sends configuration BPDUs at the interval specified by the Hello timerr, which is performed independently by each device.

2. Huawei switches provide port isolation.
Which of the following statements regarding port isolation is false?

A) If interface A is isolated from interface B, packets sent from interface A cannot reach interface B, but packets sent from interface B can reach interface A.
B) Huawei switches support 64 isolation groups numbered 0 to 63.
C) You can configure Layer 2 and Layer 3 isolation or Layer 2 isolation and Layer 3 interworking.
D) FE interfaces, GE interfaces, XGE interfaces, and Eth-Trunks can be isolated from one another, but an interface cannot be isolated from itself or from the management interface unidirectionally. In addition, an Eth-Trunk cannot be isolated unidirectionally from its member interfaces.

3. The essence of SDN is to construct a brain for a network and achieve optimal global traffic through the global view and centralized control.

A) TRUE
B) FALSE

4. A DHCP client needs to obtain an IP address from the DHCP server when accessing a network for the first time.
When the client accesses the network again, which of the following statements are true? (Multiple Choice)

A) After receiving the DHCP Request packet, the DHCP server returns a DHCP ACK packet if the requested IP address is not allocated to another client.
B) The DHCP client only needs to broadcast a DHCP Request packet containing the IP address obtained last time, but does not need to send a DHCP Discover packet again.
C) After receiving the DHCP Discover packet, the DHCP server sends a DHCP Offer packet containing the leased IP address and other settings to the DHCP client.
D) The DHCP client broadcasts a DHCP Discover packet. The DHCP server replies to the packet.

5. Which of the following trainings are transfer-to-maintenance trainings after project delivery? (Multiple Choice)

A) Routine maintenance training
B) Management and security production training
C) Emergent troubleshooting training
D) Networking and configuration training

Solutions: