Anetworkadministratorofacompanyhasmanybranchlocationseachusingasubnetmaskof255.255.255.224.Whichofthefollowingdynamicroutingprotocolsshouldbeused？（）
A. IPv6
B. RIP
C. IGRP
D. RIPv2
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T8钢加热到奥氏体化后，冷却时所形成的组织主要决定于钢的加热温度。（)
Thenativeresolutionfor1080iis（）
A. 1920×1280
B. 1920×1080
C. 1280×1080
D. 1280×720
Which of the following would MOST likely be used to punch down LAN cables before connecting them to the main switch？（）
A. IDF
B. 66 block
C. MDF
D. 110 block
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