H12-261_V3.0 HCIE-Routing & Switching (Written) V3.0 Exam Dumps

H12-261_V3.0 Free Dumps HCIE-Routing & Switching (Written) V3.0 https://www.passcert.com/H12-261_V3.0.html

1. Which of the following statements about the concept of multicast is wrong?

A. Multicast router: router or layer three switch that supports the three-layer multicast function B. Multicast group members: Multicast group members can be widely distributed anywhere in the network C. Multicast group: a set identified by an IP multicast address D. Multicast source: the sender of information, who needs to join the multicast group to provide the forwarding of multicast group messages Answer: D

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2. BGP routing policy can control the distribution and reception of routes.

A. TURE B. FALSE Answer: A

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3.Which of the following functions will affect BGP neighbor establishment? (Multiple choice) A. BGP authentication B. BGP GSTM C. BGP route filtering D. ebgp max hop Answer: ABD

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4. Which of the following statements about IS-IS Hello packets are correct?

(Multiple choice) A. P2P IIH and LAN IIH are exactly the same B. P2P IH has no Priority field C. Level-1 LAN IH is sent by multicast D. Level-1 LAN IIH does not contain System ID Answer: BC

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5. Which of the following statements about the format of OSPFv3 packets are correct? (Multiple choice) A. There is no change in the option field of the Hello message B. Hello message no longer contains address information, but carries Interface ID C. Removed Authentication and AuthType fields D. OSPF version number changed from 2 to 3 Answer: BCD

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6. Which multicast protocol can generate a multicast distribution tree?

A. PIMv2 B. IGiMPv2 C. OSPF D. BGP Answer: A

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7. Regarding the multicast ASM model and the SSM model, which of the following statements are correct? (Multiple choice) A. SSM and ASM use the same multicast address range B. In the SSM model, the receiver already knows the specific location of the multicast source in advance through other means C. In the ASM model, the receiver cannot know the location of the multicast source in advance D. SSM directly establishes a multicast forwarding tree between the recipient and the multicast source Answer: BCD

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8. Which of the following descriptions are correct about IGMPv1 and IGMPv2? (Multiple choice) A. IGMPv2 does not support specific group queries B. IGMPv1 message type does not include member leave messages C. IGMPv1 supports general group query D. IGMPv2 message types include member leave messages Answer: BCD

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9. In the LDP session establishment process, the active party will first send Initialization information to negotiate parameters. If the passive party does not accept the negotiation parameters, which of the following messages will be sent?

A. Error Notification Message B. Hello Message C. Initialization Message D. Keepalive Message Answer: A

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10. The attacker responds to the request by sending ICMP and sets the destination address of the request packet to the broadcast address of the victim network to achieve the purpose of the attack.

So what kind of attack does this behavior belong to?

A. ICMP redirect attack B. SYN flood attack C. Smurf attack D. IP spoofing attack Answer: C

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