Head tank should be used to remove （）

1、Expansion tank should be used to remov

Expansion tank should be used to remove （） from cooling water.AscaleBsludgeCchemicalsDair

2、Tools with （）handles should be used to

Tools with （）handles should be used to check electric circuit.AplasticBmetalCstainless steelDcopper

3、Which command should be used to captur

Which command should be used to capture network traffic between the localhost and a host named ‘webserver’?（）Atcpdump webserverBtcpdump host webserverCtcpdump -hostname webserverDtcpdump -print -h webserver

4、Which type of cable should be used to

Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa0/0 port switch?（）A Rollover cableB Console cab leC Crossover cableD Straight-through cableE Serial cable

5、A tourniquet should be used to control

A tourniquet should be used to control bleeding ONLY（）.Awith puncture woundsBwhen all other means have failedCwhen the victim is unconsciousDto prevent bleeding from minor wound

6、An ammeter should be used to measure （

An ammeter should be used to measure （）Athe voltage between two points in a circuitBcircuit continuityCcurrent flow in a circuitDtotal or partial circuit resistance