Free H12-891_V1.0 Exam Braindumps
HCIE-Datacom V1.0 Questions 171–175 (page: 36)

Updated On: 10-Feb-2026

During the LDPsession setup process, the active party first sends the Illitalization information to negotiate the parameters, and if the passive party does not accept the negotiation parameters, which of the following messages will be sent? <(Single select).)

  1. Hello Message
  2. Error Notification Message
  3. Keepalive Message
  4. Initialization Message

Answer(s): B



The duplicate address detection feature for NDP in the following description is incorrect?

  1. IPv6 unicast address is called a tentative address after it is assigned to an interface and before it is detected by duplicate addresses
  2. Duplicate address detection is implemented via RS and RA messages
  3. IPv6 duplicate address detection technology is similar to free ARP in IPv4
  4. The interface needs to perform duplicate address detection before enabling any of the unicast IPv6 addresses

Answer(s): B



If all the public IP addresses are used by a company's intranet users to access the Internet using NAT's No-pat method, what will happen to subsequent intranet users who access the Internet?

  1. automatically switch NAT to PAT after the Internet
  2. Subsequent intranet users will not be able to access the Internet
  3. Synchronize messages to other NAT conversion devices for NAT conversion
  4. Squeeze out the previous user and force NAT conversion to go online

Answer(s): B



In order to reduce the number of OSPF routes in some unscheduled areas, the OSPF protocol has developed special area functions, and the following characteristic description of ospf special areas is correct?( Single choice questions).

  1. ASBR-Sunmary-LSA is allowed to be published to NSSA regions
  2. AS-External-LSA is allowed to be published to Stub regions
  3. Any OSPF zone can be configured as a special zone
  4. Special area routers cannot establish OSPF neighbor relationships with regular area routers

Answer(s): D



Which of the following options is correct?

  1. Unicast and broadcasting cannot effectively achieve data transmission between one source and multiple destinations on P2MP, but multicast technology can
  2. Multicast technology is able to reduce redundant traffic, so network bandwidth can be saved
  3. Multicast technology is used for "-to-many" applications
  4. Since multicast is based on TCP to establish a connection, multicast technology can ensure the reliable transmission of data

Answer(s): B,C



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