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Huawei HCNP-R&S Fast Track Sample Questions:

1. Which of the following statements regarding network maintenance work are true? (Multiple Choice)

A) The external environment where hardware runs does not need special attention.
B) For device environment maintenance, maintenance personnel need to go to the site or even use some professional tools for observation and measurement.
C) The device software running is closely related to services running on the device.
D) For device software maintenance, onsite operations are allowed but only remote operations are recommended.

2. 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) The non-root switch running RSTP sends configuration BPDUs at the interval specified by the Hello timerr, which is performed independently by each device.
B) 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.
C) RSTP reduces five port states to three port states based on user traffic forwarding and MAC address learning.
D) RSTP deletes three port states and adds two port roles.

3. Which of the following statements regarding border security optimization are true? (Multiple Choice)

A) The optimization position is usually located at the network edge.
B) Border security optimization aims to achieve secure user access control.
C) Optimization measures include attack defense technologies, packet filtering, and hardware firewalls.
D) Border security optimization aims to prevent or reduce external network attacks and harm.

4. Which of the following statements regarding VRRP is false?

A) Hosts on the network communicate with the virtual router. There is no need to learn all information of physical routers on the network.
B) The Virtual Router Redundancy Protocol (VRRP) is designed for networks with multicast and broadcast capabilities, such as Ethernet networks. VRRP ensures that the next hop router can be replaced by another router if it fails so that uninterrupted and reliable communication is guaranteed.
C) When VRRP is used, the virtual router ID and virtual IP address need to be configured on the router, the MAC address of the master router is used, so a virtual router is added on the network.
D) A virtual router consists of one master router and several backup routers. The master router provides forwarding function. When the master router fails, a backup router becomes the new master router and takes over its work.

5. Which of the following statements regarding OSPF special areas is false?

A) Different from a totally stub area, a stub area allows inter-area routes.
B) Different from a stub area, an NSSA area allows importing AS external routes. An ABR advertises these routes within its area using Type 7 LSAs.
C) Different from an NSSA area, a totally stub area does not allow inter-area mutes.
D) A totally stub area allows the Type 3 default routes advertised by an ABR, and does not allow AS external routes and inter-area routes.

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