题目内容

Whichofthefollowingservertypeswillassignauniqueaddresstotheclient’smachines?()

A. WINS
B. DHCP
C. NTP
DNS

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Which of the following is used to serve as an emergency backup line to troubleshoot a broadbandconnection on many routers?()

A. DSL
B. POTS
C. VDSL
D. Smart jack

工作票"工作要求的安全措施"中"断路器(开关)"栏只填写设备编号。()

槽轮机构和棘轮机构一样,可以方便地调节槽轮转角的大小。()

在紧急情况下,可使用不符合规定的导线作接地或短路之用。()

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