Which IPv6 address would you ping to determine if OSPFv3 is able to send and receive unicast packets across a link?()
A. anycast address
B. site-local multicast
C. global address of the link
D. unique local address
E. link-local addre
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电磁铁,变压器及电动机的铁心是用硬磁材料制造的。
A. 正确
B. 错误
能产生正常的修复性牙本质的窝洞,剩余牙本质的有效厚度为()
A. 0.3mm以内
B. 0.3mm以上~0.8mm以内
C. 0.8mm以上~1.5mm以内
D. 1.5mm以上~2mm以内
E. 2mm以上