45. Why does the writer suggest that activity No. 3 should continue?
A) It can help employees increase motivation.
B) It can help managers to check on the work accounts.
C) It can show how much time employees actually work.
D) It can encourage young employees to work more efficiently.
查看答案
IPv6中IP地址的长度为（ ）
A. 32
B. 64
C. 96
D. 128
IPv6基本报头的长度是固定的，包括（ ）个字节。
A. 20
B. 40
C. 60
D. 80
下列哪些地址是IPv6 link-local unicast地址（ ）。
A. FC80::FFFF
B. FE80::FFFF
C. FE88::FFFF
D. FE80::1234
0116:0000:0000:0116:0116:0116:0000:0016，可以简化为以下哪些表示方式？A. B.C. D.
A. 0116::0116:0116:0116::0016
B. 0116::116:0116:0116:0:0016
C. 0116:0000:0000:0116:0116:0116::16
D. 0116:0:0116:0116:0116::16
微信支付 
支付宝支付