题目内容

UAP3300日常维护中，通过执行show nfs命令发现NFS文件服务器连接存在问题，那么需要（）。

A. 检查UAP3300是否启动
B. 检查NFS文件服务器NFS是否正常
C. 如果NFS文件服务器连接状态为“部分连接”或“未连接（Disconnect）”，请登录到LMT工具的命令树配置重新启动相应槽位的单板
D. 检查NFS网络是否正常

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The Acme company has determined that during its busiest hours， the average number of internal VoIP calls across the WAN link is four （4）. Since this is an average， the WAN link has been sized for six （6） calls with no call admission control. What will happen when a seventh call is attempted across the WAN link？（）

A. the seventh call is routed via the PSTN
B. the call is denied and the original six （6） calls remain
C. the call is completed and the first call is dropped
D. the call is completed， but all calls have quality issues
E. the call is completed but the seventh call has quality issue

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