When configuring Cisco IOS login enhancements for virtual connections, what is the "quiet period"?()
A. The period of time in which virtual login attempts are blocked, following repeated failed login attempts
B. The period of time in which virtual logins are blocked as security services fully initialize
C. A period of time when no one is attempting tolog in
D. The period of time between successive login attempt
查看答案
X射线荧光光谱分析散射背景内标法是用由连续谱线的散射线构成的本底(背景)为内标的校正方法。
A. 正确
B. 错误
打开一个Word文档,内有一篇文章,若要在文章后面继续输入一些文字,下面哪种说法是正确的()。
A. 首先按End键,然后输入新内容
B. 按Ctrl+End键,然后输入新内容
C. 进入编辑状态后,插入点会自动移到文章尾部
D. 不必关心光标的位置,输入的新内容会自动接在文章尾部
全身性水肿常见于________、________、________、________等局部水肿常见于________及________障碍,________障碍。
轻度烧伤是指总面积在_______以下的_______;中度烧伤是指Ⅱ°烧伤面积_______或Ⅲ°烧伤面积不足_______。