WhichofthefollowingdevicesisusedtomoveframesbetweenasourceanddestinationbasedonaMACaddress?（）
A. Repeater
B. Hub
C. Router
D. Switch
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Whichofthefollowingcomponentsisfoundinadisplaypanelassembly?（）
A. Inverter
B. DCconverter
C. DVIadapter
D. Videomemory
Whichtwostatementsaretrueregardinginterfaceproperties?（）
A. MTUandspeedmustbeconfiguredundereachunit.
B. PhysicalparameterssuchasMTU,duplexmode,andspeedareconfiguredundertheinterfacename.
C. IPandIPv6addressesareconfiguredunderaunit-number.
DLCInumbers,VPI/VCIvalues,andVLANtagsarephysicalparameters.
WhichofthefollowingprotocolswouldBESTgranttheusersecureaccesstoaremotelocation?（）
A. VPN
B. FTP
C. POP3
DNS
Whichofthefollowingprotocolsencryptcommunication?（）
A. HTTPS
B. TELNET
C. SMTP
DNS
E. SSH
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