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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q302-Q307):

NEW QUESTION # 302
In different scenarios, RSTP provides different protection functions.
Which of the following statement is wrong?

A. After the BPDU protection function is enabled on the switching device, if the edge port receives RST BPDU, the edge port will be set as a non-edge port, and the spanning tree calculation will be performed again
B. After the anti-TC-BPDU message attack function is enabled, the number of times the switching device processes TC BPDU messages within a unit time is configurable
C. The designated port with root protection enabled, when the port receives a better RSTBPDU, the port will enter the Discarding state and no longer forward packets. If the port does not receive a better RST BPDU for a period, it will automatically return to the normal Forwarding state
D. The designated port with the root protection function enabled, its port role can only remain as the designated port

Answer: A

NEW QUESTION # 303
On an OSPF network, if the network type isNBMA, a router unicasts all protocol packets; if the network type isbroadcast, a router multicasts all protocol packets.

A. TRUE
B. FALSE

Answer: B

Explanation:
Comprehensive and Detailed In-Depth Explanation:
OSPF network typesaffect how protocol packets (Hello, LSA updates) are transmitted:
NBMA (Non-Broadcast Multi-Access)networks (e.g., Frame Relay) donot support multicast, so routers mustunicastOSPF packets to neighbors.
Broadcast networks(e.g., Ethernet) supportmulticastand use224.0.0.5 for Hello packetsand224.0.0.6 for DR
/BDR communication.
The statement isfalsebecause:
NBMA does not unicast all packets-only Hello packets must bemanually configuredto be unicast.
LSAs and routing updates can still be multicastif an NBMA network is configured aspoint-to-multipoint.
#Reference:Huawei HCIA-Datacom Study Guide, OSPF Network Types and Packet Transmission.

NEW QUESTION # 304
Which of the following descriptions about OSPF default routing is wrong?

A. When the router has no exact matching route, it can forward the message through the default route
B. Autonomous System Boundary Router (ASBR) publishes default LSA of type 5 or default LSA of type 7, which is used to guide routes in the autonomous system (AS) to access the outside of the autonomous system
C. Due to the hierarchical management of OSPF routes, the priority of class 5 and class 7 default routes is higher than that of class 3 default routes
D. The OSPF default route can be issued by the Area Border Router (ABR) to issue Type 3 default LSAs to guide routers in the area to forward packets between areas

Answer: B

NEW QUESTION # 305
See the following figure. RTA, RTB, RTC, and RTD are in the same AS and establish IBGP peer relationships through direct links. RTB an RTC are route reflectors (RRs), RTA and RTC are the RR clients of RTB, and RTB and RTD are the RR clients of RTC. If RTA advertises the route 10.1.1.0/24 to the BGP process, the Originator ID of the BGP route received by RTD is------------------.

Answer:

Explanation:
1.1.1.1
Explanation:
TheOriginator IDin a BGP route represents the Router ID of the device that originally advertised the route into the BGP domain. Since RTA originates the route10.1.1.0/24into the BGP process, the Originator ID in the route received by RTD will be set to1.1.1.1.

NEW QUESTION # 306
Which of the following types does IS-IS PDU include? (Multiple choice)

A. PSNP
B. IIH
C. CSNP
D. LSP

Answer: A,B,C,D

NEW QUESTION # 307
......

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