QUESTION: 173

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?

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

Answer(s): B

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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).

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

Answer(s): D

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QUESTION: 175

Which of the following options is correct?

Unicast and broadcasting cannot effectively achieve data transmission between one source and multiple destinations on P2MP, but multicast technology can
Multicast technology is able to reduce redundant traffic, so network bandwidth can be saved
Multicast technology is used for "-to-many" applications
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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