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Network managers have long(140)practical voice-over-IP(VOIP)solutions. VOIP(141)ease network management and decreases costs by c
Network managers have long(140)practical voice-over-IP(VOIP)solutions. VOIP(141)ease network management and decreases costs by c
admin
2009-05-15
55
问题
Network managers have long(140)practical voice-over-IP(VOIP)solutions. VOIP(141)ease network management and decreases costs by converging a company’s telephony and data infrastructures into one network. And a VOIP solution implemented at a company’s head-quarters with far-reaching branch offices can(142)tremendous amounts of(143)in long distance phone bills, provided that solution delivers POTS-like voice(144)over the Internet.
选项
A、frequency
B、length
C、quality
D、quantity
答案
C
解析
网络管理员一直盼望着实用的IP话音业务(VOIP)解决方案。VOIP通过将公司的电话和数据基础设施集成于同一网络,简化了网络管理,降低了成本。如果VOIP解决方案用于拥有远程分支机构的公司总部,那么通过Internet提供类似POTS的声音质量,可节省大量的长途话费。
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