单项选择题 An administrator trying to restore a backup from tape encounters read errors. The administrator suspects that it could be an issue with the block device. What is the appropriate method to resolve this issue?（）

单项选择题 An administrator is configuring an LPAR for a NIM installation and is unsure if the Ping Test option within SMS is a required configuration step. Which statement best describes the Ping Test option?（）

单项选择题 Running the s?command provides the following output. Running the ?s?command provides the following output.PID TTY STAT TIME PGIN SIZE RSS LIM TSIZ TRS %CPU %MEM COMMAND 22752 - A 0.08 2611 1960 3980 6276 4652 20 0.0 0.0 /usr/bin/find. 20700- A 0.07 2712 1868 2906 6379 950 28 0.0 0.0 /usr/dt/b. What is the amount of RAM, in kilobytes, used for the text and data segments for the find command?（）