单项选择题 What is the correct command for creating a new user ID authenticated with LDAP?（）

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?（）