HSRP. Known as Hot Stanclby Router Protocol, is a Cisco proprietarv redundancy protocol . As an experienced network administrator, you are required to configure HSRP on a XYZ network. Which TWO of the following wii be available and shared between the routers configured with HSRP? ()(Choose two.)
A. a shared single interface
B. the ability to track serial interfaces
C. UDP-based hello packets
D. the impact of flapping links if timers are too low
多道程序运行时,操作系统进行磁盘驱动调度和旋转调度的目的是()
A. 减少每道程序使用磁盘时的寻找时间
B. 减少全部程序使用磁盘的寻找时间的总和
C. 减少每道程序使用磁盘时的延迟时间
D. 减少全部程序使用磁盘的延迟时间的总和
E. 减少全部程序使用磁盘的传送时间的总和