PAT
NAT
Multicast
Subnetting
单选题What is the purpose of a network mask?（）A It is used in conjunction with the wildcard mask to determine the number of hosts on a networkB It is used to define which parts of the IP address are allocated to host addresses and network prefixesC It is used to hide subnets from external networks by masking the subnets with NATD It is used to differentiate a network as a classful network or a classless network
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单选题Which capabilities does the Cisco RFID-Ready Network support？（）Aretrieval and processing of information that is gathered from tagging，printing，labeling，and reader systemsBaccess to enterprise networks when in different service areasCstandards-based communications over multiple media typesDlarge enterprises that are primarily fitted with optical networking
单选题A Network Engineer is reporting that one of the AIX hosts is generating too much ICMP traffic, which is slowing the network. Which of the following options is the most probable cause?（）A A large FTP job is in process. B A network interface was misconfigured. C The ping command is being used excessively. D A bad network interface card and/or network cable is in use.
单选题Which one of the following is the most commonly used layer 2 network device?（）A HubB BridgeC SwitchD RouterE RepeatersF None of the above
单选题customer wants to network several computers within a large warehouse. The warehouse has one computer at the very far end of the warehouse that is 170 meters (557 feet) from the network switch. Which of the following cable types should a technician use for this computer?（）A CAT3B CAT5C CAT6D Fiber
单选题As an experienced technician, you are responsible for Technical Support in your company. One of the trainees is asking you how to create separate networks on one Storage Area Network so as to provide enhanced availability, security, etc. Which of the following solution will enable that?（）A Cisco Direct Attached StorageB Cisco Virtual Attached Storage NetworkC Cisco Virtual Storage Area NetworkD Cisco Direct Storage Area Network
单选题Which capability do Cisco RFID-Ready Networks support？（）Aretrieval and processing of information for tagged terns across an enterpriseBaccess to enterprise networks from different service areasCstandards-based communications for multiple media typesDextensive functionality for large enterprises primarily fitted with optical networking
