<tbody id="gq1nx"><input id="gq1nx"><bdo id="gq1nx"></bdo></input></tbody>

<tbody id="gq1nx"></tbody>

單項選擇題

An alternative to plain old telephone service (POTS) would be:（）

A. X.25.
B. Asynchronous transfer mode (ATM).
C. VoIP.
D. Public Switched Telephone Network (PSTN).

你可能感興趣的試題

單項選擇題
Which of the following commands would be used to display hidden files?（）
A. dir /?
B. dir /d
C. dir /a
D. dir /s
單項選擇題
A technician has a user that consistently picks up viruses and malware no matter what kind ofsoftware is installed to prevent infection. Which of the following should be a cost-effective logical step in preventing future infections?（）
A. Place the user behind a high end NIPS device.
B. Migrate the user to a Virtual Machine environment.
C. Educate the user on browsing habits.
D. Install multiple antivirus programs on the machine to decrease the chances for infection.

感谢您访问我们的网站，您可能还对以下资源感兴趣：

中文字幕网国产

国产一级特黄a大片亚洲浮力影院久久久久久亚洲第一二三区日韩国产国产精品第不卡国产视频第一页

<dd id="s3zbj"><bdo id="s3zbj"></bdo></dd><dl id="s3zbj"></dl>