Which of the following should the technician do FIRST when replacing a motherboard?（）
Which of the following shows the proper pronunciation of the word "should" in the sentence"What should we do"
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Which of the following determines if the alarm should sound or an entry delay should start？（）A、The sensor itselfB、The way the zones are wiredC、The zone typeD、The digital dialer
Which of the following is the MOST secure and efficient way to dispose of rewritable DVD media containing sensitive information？（）A、Media should be erasedB、Media should be shreddedC、Media should be exposed to UVD、Media should be formatted
Which of the following should be configured to provide priority to voice traffic?（）A、Port mirroringB、DMZC、QosD、Trunking
Which of the following should be used to check a serial port for functionality?（）A、Loopback plugB、Toner probeC、MultimeterD、Cable tester
Which of the following commands should be used to show DNS information？（）A、 traceB、 netstatC、 ifconfigD、 nslookup
Which of the following commands should be used to delete an entry from the /etc/inittab?（）A、xitabB、rmitabC、chitabD、delitab
