A company is installing IP phones. The phones and office computers connect to the same device. To ensure maximum throughput for the phone data, the company needs to make sure that the phone traffic is on a different network from that of the office computer data traffic. What is the best network device to which to directly connect the phones and computers, and what technology should be implemented on this device? (Choose two.)（）
1、若a=5，b=3，c=4，逻辑表达式!（a+b）&；&；!c的值
若a=5，b=3，c=4，逻辑表达式!（a+b）&；&；!c的值为（）A0B-1C1D2
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A customer is installing a new xSeries server into a Token-Ring environment.  WhereQ...
现有int a,*b;,b=&a;，则下列运算错误的是A*&aB&*aC*&bD&*b
A company is using a multi-site centralized call processing model. Which feature ensures̳...
A company is using 6to4 tunneling within their IPv6 network. Which two statements about...