从设备投入使用到因技术进步而更新所经历的时间,称为设备的()。
A. 使用寿命
B. 经济寿命
C. 技术寿命
D. 自然寿命
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勘察工作通常包括()与位置的选择隧道洞口与洞身的勘察。
在EXCEL中,为了显示自动计算快捷菜单,单击鼠标右键的位置应是()
A. 状态栏
B. 工具栏
C. “工具”栏
D. 菜单栏
To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus?()
A. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 link
B. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 link
C. to two core switches from redundant distribution switches connected with a Layer 2 link
D. to two core switches from redundant distribution switches connected with a Layer 3 link
E. to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO
南戏()与《张协状元》、《赵贞女》等谴责文人负心的作品不同,它借书生王十朋和钱玉莲的爱情故事,赞扬了文人在科场得意后对爱情的忠贞。