单项选择题
How many bits does EXP occupy in the MPLS label header?()
A.8 B.4 C.3 D.1 E.2
单项选择题 WhatistheminimumhardwareconfigurationofthemultishelfCiscoCRS-1system?()
单项选择题 WhatistheportnumberofanIPsecEncapsulatingSecurityPayfoadpacket?()
单项选择题 WhatistheencapsulationformatofanMPLSMulticastVPN(MVPN)packer?()