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【多选题】
With regard to bridges and switches, which of the following statements are true?（）A.
Switches are primarily software based while bridges are hardware based.
B.
Both bridges and switches forward Layer 2 broadcasts.
C.
Bridges are frequently faster than switches.
D.
Switches typically have a higher number of ports than bridges.
E.
Bridges define broadcast domain while switches define collision domains.
F.
Both bridges and switches make forwarding decisions based on Layer 2 addresses.
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【单选题】水落管应用管箍与墙面固定。接头的承插长度不应小于( ) mm 。水落管经过的带形线脚、檐口线等墙面突出部位宜用直管,并应预留缺口或孔洞。如必须采用弯管绕过时,弯管的接合角应为钝角。
A.
10
B.
20
C.
30
D.
40
【简答题】教练员的领导功能有哪些？
【简答题】教练员的领导功能有哪些？
【简答题】教练员的领导功能有______、组织功能、______和激励功能。