What benefit results from implementation of Layer 3 switching versus Layer 2 switching in a fully meshed campus network?()
A. ease of IP address assignment versus use of external routers
B. redundancy from trunking between distribution layer switches
C. provides first-hop redundancy to clients
D. allows inter-VLAN communication without requiring complexity of routing protocol
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乘客在车内吸烟,网约车驾驶员()。
A. 可以拒绝载客
B. 礼貌地加以劝阻
C. 提供打火机
D. 提供烟灰缸
合同履行法律风险,重点是()。
A. 合同签订
B. 合同盖章
C. 合同项下付款和发货环节
D. 合同归档