华为Sx7系列交换机运行STP时,缺省情况下交换机的优先级为()。
A.4096
B.8192
C.16384
D.32768
参考答案:D
—My granny has never visited the Great Wall.
—_____ we. [ ]
A. So did
B. Neither do
C. Neither have
A helicopter is able to________and land straight up and down. [ ]
A. take away
B. take on
C. take up
D. take off