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【单选题】
What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?A.
lowest port MAC address
B.
port priority number and MAC address.
C.
highest port priority number.
D.
path cost
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反馈参考答案：
举一反三
【多选题】十九大报告指出，( )是党的政治建设的首要任务。
A.
保证全党服从中央
B.
坚持党中央权威和集中统一领导
C.
严明党的政治纪律和政治规矩
D.
自觉在思想上政治上行动上同党中央保持高度一致
【简答题】The main purpose of this advertisement is to____. [ A] encourage more people to attend the Forum in time [B] promise everyone can pay less money to attend the Forum [C] call on the people in the north...
【单选题】The hotel provides free shuttle______to the train station and the airport.
A.
room
B.
service
C.
baggage
D.
shipping
【简答题】软件危机有哪些表现?
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