A computer is connected to the network through a NIC， which has a unique assignment that is called the Ethernet MAC address. Which layer of the OSI model does the MAC address use to communicate with the network？（）

AddresstranslationisanothercomponentofLayer3design.Whic...

多项选择题Address translation is another component of Layer 3 design. Which two types of address translation allow an IP Address to be duplicated？ （）

WhichtwoWANinterfacesdoestheCiscoSRP520Seriessupport？（）...

多项选择题Which two WAN interfaces does the Cisco SRP 520 Series support？ （）

WhatarethreefeaturesthatareincludedwiththepurchaseofaCi...

多项选择题What are three features that are included with the purchase of a Cisco SA 520？ （）