Giải thích: Run cấp độ 2 là nhiều người sử dụng. Run cấp độ 3 được nhiều người sử dụng với NFS. Câu hỏi 81: Bạn được yêu cầu để khôi phục lại một số các tập tin vào thư mục chủ của / xuất khẩu / home / UserA bằng cách sử dụng lệnh tar. | 310-016 A. 0 B. 1 C. 2 D. 3 E. 5 F. S Answer D Explanation Run level 2 is multi-user. Run level 3 is multi-user with NFS. QUESTION 81 You have been requested to restore some files to the home directory of export home usera by using the tar command. You cd to the home directory of usera before doing the restore. What happens A. If a file you want to restore existed it would not be restored. B. An existing file is renamed to and a new file is restored C. If a file you want to restore already existed it would be overwritten by the restored file. D. If a file you want to restore already existed only the modification time would be updated. Answer C Explanation A restore overwrites any files already in that location with the same name. That is why it is best to always restore to a temporary area first to be on the safe side. QUESTION 82 Exhibit 1. extract 2. add hosts 3. cd var tmp 4. cd etc inet 5. mt -f dev rmt On fsf 1 6. ufsrestore ivf dev rmt 0 7. mv var tmp etc inet hosts etc inet hosts 8. quit The steps that should be used to interactively restore the etc inet hosts file from the second ufsdump file on a tape are shown in the exhibit. In which order should they be executed A. 3 6 4 2 1 5 7 8 B. 3 4 5 6 2 1 7 8 C. 3 6 5 2 1 4 8 7 - The Power of Knowing 310-016 D. 3 5 6 4 2 1 8 7 Answer D Explanation The mt command moves the tape device forward one step. The add command adds a file to be restored to the restore list. The extract command extracts the files listed in the restore list. The mv command moves the restored file to the correct location QUESTION 83 You want to create a hard link to a regular file. What us required of the regular file for the ln command to succeed Choose two A. The file must exist before you run the ln command. B. The file must be in the same directory as the new file name. C. The file must be in the same file system as the new file name. D. The file must be in a different directory from the new file name. E. The
