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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
68
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、cash
B、money
C、space
D、time
答案
B
解析
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