[单选题]

The (75)is designed specifically as a security system for preventing unauthorized communications between one computer network and another computer network.(75)A.firewall

B．protocol

C．hacker

D．virus

参考答案与解析：

相关试题

The market for products designed specifically for older adults could reach ﹩30 billion by next year，

The market for products designed specifically for older adults could reach ﹩30 b

  • 查看答案

    • (75) are designed to manage large bodi

    [单选题] （75） are designed to manage large bodies of information.(75)A． I/O portsB． PrintersC． Database systemD． Keyboards

  • 查看答案

    • It won’t. Because this isn’t about you. It’s about them. Specifically, it’s about the need for the a

    It won’t. Because this isn’t about you. It’s about them. Specifically, it’s abou

  • 查看答案

    • Not only ______ the cars built in the 1970s unattractive and poorly designed, they also became very

    Not only ______ the cars built in the 1970s unattractive and poorly designed, th

  • 查看答案

    • A) particularly B) specifically C) appar

    [单选题]A．) particularlyB．) specificallyC．) apparentlyD．) virtually

  • 查看答案

    • Airline passengers are specifically told NOT to______.

    Airline passengers are specifically told NOT to______.A. ask question about safe

  • 查看答案

    • It won't. Because this isn't about you. It's about them. Specifically, it's about th

    It wont. Because this isnt about you. Its about them. Specifically, its about th

  • 查看答案

    • The Programming languages are designed

    [单选题]The Programming languages are designed to (73) the communication between human and computers.(73) A．makeB．facilitateC．enableD．1et

  • 查看答案

    • A thrust block is designed to（）.

    [单选题]A thrust block is designed to（）.A . absorb the shock of wave pressure at the bowB . be placed between the engines and the foundation to absorb the vibrationC . transmit the thrust of the engine to the propellerD . transmit the thrust of the propeller

  • 查看答案

    • （）is the Internet commerce designed for

    [单选题]（）is the Internet commerce designed for direct communications and commercial relationship between a firmand its end customer.A .B2CB .B2BC .B2AD . D.A2B

  • 查看答案