Which two are characteristics of an IPv6 multicast address?() First (most significant ) octet is FF in hex。 Starts with a prefix of FE80 to FEBF in hex。 Starts with a prefix of FECO to FEFF in hex。 Second octet contains a 4-bit multicast scope field。 Last 64 bit contains the modified MAC address of the Ethernet interface。 Is allocated from the unicast address space。
民族社会化
流线型设计
某国年末外债余额50亿美元,当年偿还外债本息额15亿美元,国内生产总值400亿美元,商品劳务出口收入55亿美元,则债务率为()。 12.5%。 13.8%。 27.2%。 90.9%。
作为团体的自立指导是什么?
Which one of these is a valid HSRP Virtual Mac Address?()