Which two forms of DSL connectivity provide the same bandwidth in both directions？（）
Which two forms of DSL connectivity provide the same bandwidth in both directions?()A.ADSLB.HDSLC.SDSLD.RADSL
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Which of the following connection types use a phone line as a carrier to provide access to theInternet?()A.CellularB.SatelliteC.ISDND.WiMAXE.DSL
Which two are characteristics of the IS －IS protocol but not OSPF?()A. forms adjacencies with all neighborsB. supports demand circuit routingC. provides routing support for multiple network layer protocolsD. utilizes SPF algorithmE. provides for network scalability by allowing the network to be separated into areasF. three layers of hierarchical routing
Which DSL encapsulation method requires client software running on the end － user PC that is directly connected to a DSL modem?()A. PPPoAB. PPPoEC. PPPD. L2TPE. ATM
The user of Host1 wants to ping the DSL modem／router at 192.168.1.254. Based on the Host1 ARP table that is shown in the exhibit, what will Host1 do()。A.send a unicast ARP packet to the DSL modem/routerB.send unicast ICMP packets to the DSL modem/routerC.send Layer 3 broadcast packets to which the DSL modem/router respondsD.send a Layer 2 broadcast that is received by Host2, the switch, and the DSL modem/router
Which form of DSL technology is typically used as a replacement for T1 lines？（）A、VDSLB、HDSLC、ADSLD、SDSL
Which DSL encapsulation method requires client software running on the end - user PC that is directly connected to a DSL modem?（）A、PPPoAB、PPPoEC、PPPD、L2TPE、ATM
