A well-designed system should be（73）.

①easily understood

②reliable

③straightforward to implement

④straightforward to maintain

（73）

A．①②

B．①③④

C．②③④

D．①②③④

[单选题]A． well-designed system should be(73)。①easily understood②reliable③straightforward to implement④straightforward to maintainA．①②B．①③④C．②③④D．①②③④

[单选题]A firewall is a (71) system designed to (72) an organization′s network against threats.(71) A．operatingB．programmingC．securityD．data(72) A．preventB．protectC．examineD．exploit

[单选题]A firewall is a (68) system designed to (69) all organization,s network aga-inst threats.(68) A．operatingB．programmingC．securityD．service(69) A．preventB．protectC．developD．exploit

[单选题]Turbocharging system may be designed to operate on either the （） or the constant pressure exhaust system.A . pulseB . exhaustC . fluctuatingD . hunting

[单选题]A． firewall is a security system designed to(62) an organization's network against(63)．A．preventB．protectC．developD．exploit

[单选题]An Embedded System is a (72)designed for specific control functions within a larger system.(72) A． computerB． programC．computer systemD．tool

[单选题]A． firewall is a(1)system designed to(2)an organization's network against threats.A．operatingB．programmingC．securityD．service

[单选题]A． firewall is a(68)system designed to(69)all organization, s network against threats.A．operatingB．programmingC．securityD．service

[单选题]The system has been designed to give students quick and easy to the digital resources of the library.A． accessB. passage C. way D. approach

[单选题]Which system should be supplied to obtain the best efficiency and lowest emissions?A．Lean combustion principleB．Fuel oil systemC．Electrical control systemD．Electronic control system