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  1. Home
  2. Huawei Certification
  3. H12-261_V3.0 Exam
  4. Huawei.H12-261_V3.0.v2022-03-11.q151 Dumps
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Question 71

IPSG can statically configure the binding table, orDHCP-Snooping is used together to form a binding table

Correct Answer: A
Explanation
DHCP Snooping isDHCP A security feature of , mainly used in switchThe function is to shield the illegal DHCP server in the access network. combineDAI (Dynamic ARP Inspection)and IPSG(IP Source Guard) can realize ARP anti-spoofing and IP flow controlcontrol function.
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Question 72

As shown in the figure, Client1 and Client2 serve as clients of RR1 and RR2 at the same time, RR1 and RR2 are in the same Cluster, and R1 introduces 10 routes. Assuming that the BGP configuration is correct and all neighbor relationships have been established, how many route entries exist in the BGP routing table of Client2?

Correct Answer: B
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Question 73

What command can be used to prevent users from accessing multiple devices through the HUB on the access port of the switch? (Single Choice)

Correct Answer: C
Explanation
port security Security) Limiting the number of interface access allows to limit the number of MAC addresses on a port.
matchedMACThe data packets (secure data packets) of the address are forwarded, and other data packets (insecure data packets) are restricted. Enable based on port. Once locked, only packets with allowed MAC addresses will be forwarded. Both dynamic and static are supported. port isolate Port isolation restricts mutual access between ports IPSG is IP Source Guard (IP Source Guard, short for IPSG) is an IP/MA-basedC The port traffic filtering technology, which can prevent the IP address spoofing attack.
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Question 74

After a switch is powered on, it joins a running stack system, which is called stack join.

Correct Answer: A
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Question 75

Which of the following Hello packets is not included in the IS-IS protocol?

Correct Answer: D
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