Free H12-831 Exam Braindumps
HCIP-Datacom-Advanced Routing & Switching Technology Questions 193–200 (page: 26)

Updated On: 14-Aug-2026

What check items can be set in IPSG?

  1. MAC address
  2. Outgoing interface
  3. VLANID
  4. IP address

Answer(s): A,B,C,D



A certain park deployed both IPv4 and IPv6 networks for service testing, and IS-IS was run to achieve network interconnection. IS-IS routing protocol has good scalability and is widely used in existing networks. Regarding IS-IS scalability, which of the following statements are correct? (Choose three.)

  1. IS-IS uses TLV structure to construct messages, which makes IS-IS more flexible and expandable
  2. For IS-IS, adding new features only needs to add a new TLV
  3. IS-IS needs to add TLV to carry Pv6 address information in order to support PV6
  4. NLPID is a new TLV of IS-IS to support IPv6

Answer(s): A,B,C



The Discovery message of LDP is used for neighbor discovery, and LDP has different discovery mechanisms when discovering neighbors. Then, which of the following statements about Discovery message in the basic discovery mechanism is correct? (Choose two.)

  1. After the TCP connection is established, the LSR does not continue to send Hello Message
  2. The destination IP address of the message is the multicast IP address 224.0.0.2
  3. This message is encapsulated in a UDP message, and the destination port number is 646
  4. The message is sent to the designated LDP Peer

Answer(s): B,C



Which of the following information can the DHCP binding table contain? (Choose three.)

  1. Port and UDP port
  2. MAC address
  3. IP address
  4. Lease time

Answer(s): B,C,D



Traditional BGP-4 can only manage IPv4 unicast routing information. In order to provide support for multiple network layer protocols, MP-BGP extends BGP-4. MP-BGP uses address families to distinguish different network layer protocols.
Which of the following address families are currently supported? (Choose three.)

  1. BGP-VPNv4 address family
  2. BGP-IPv6 unicast address family
  3. BGP-IPv4 broadcast address family
  4. BGP-MP instance IPv6 address family

Answer(s): A,B,D



Configuring DHCP Snooping can be used to prevent imitators from attacking.
Which of the following steps should be included in the configuration process?

  1. Enable the global DHCP Snooping function
  2. Enable global DHCP function
  3. Configure interface trust status
  4. Enable DHCP Snooping on the interface or VLAN

Answer(s): A,B,C,D



Which of the following are the advantages of VLAN aggregation? (Choose two.)

  1. Reduce the waste of IP addresses
  2. Increased the number of available MLANs
  3. Increased flexibility of addressing
  4. Realize the isolation of broadcast domains between Sub-VLANs

Answer(s): A,D



Which of the following statements about 1S-IS (IPv6) is correct? (Choose three.)

  1. To support the processing and calculation of IPv6 routing, IS-IS added NLPID to 129 TLV
  2. IS-IS working at the data link layer only needs to add a new TLV to support Pv6
  3. To support the processing and calculation of IPv6 routes, IS-IS has added TLV232236
  4. By default, IS-IS enables the multi-topology feature

Answer(s): A,B,C



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