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Oracle 1Z0-402 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Topic 1: Shell Basics and Scripting | 15% | - Input/output redirection and pipes
- Basic shell scripting
- Bash shell features
|
| Topic 2: System Administration Essentials | 20% | - Process management and job control
- Mounting and managing file systems
- Secure Shell (SSH) access
- Software package management
|
| Topic 3: Text Processing and Editing | 15% | - Regular expressions
- Using vi/vim editor
- Viewing and filtering text files
|
| Topic 4: Introduction to Oracle Enterprise Linux | 10% | - Multi-user operating system concepts
- Command line interface basics
|
| Topic 5: File System Management | 20% | - File and directory navigation
- Creating, copying, moving, deleting files
- Linux directory structure
- File permissions and ownership
|
| Topic 6: Archiving, Compression and Utilities | 10% | - System messaging and printing
- Archiving files with tar
- Compression tools: gzip, bzip2, xz
|
Oracle Enterprise Linux: Fundamentals Sample Questions:
1. While using the vi editor in command mode, which key sequences will delete six words? (Choose all that apply.)
A) 6dw
B) d6w
C) dwS
D) wd6
E) 6dd
2. As a normal user on a Linux system, you are trying to execute the /bin/Is command. What happens when you execute the command at the shell prompt?
A) The shell makes a system call asking the kernel to start the command as a child process and goes to sleep, waits for the command to finish.
B) The shell passes asynchronous interrupts to the kernel and returns to the prompt waiting to display the output.
C) The shell executes the program, breaks memory into small chunks called pages, and initializes a system call to the kernel.
D) The shell executes the program, sets a priority value of-19, and waits for the system calls from the kernel.
3. Which statement is true about a normal user created with UID less than 500?
A) The user account can be used only for system service-related tasks.
B) The user will have all normal user features like home directory, shell, and so on, by default.
C) The user will have the privilege to mount and unmount file systems.
D) The user will be restricted from logging in to the system because the UID < 500 is reserved for system users or pseudo accounts.
E) The user will not have an interactive login shell.
4. The root user on server1 is trying to switch to the normal user account scott for testing certain privileges he has and receives an error as shown below:
[root@server1 ~]#su - scott This account is currently not available [root@server1 ~]#
What do you infer from this error?
A) The user scott has the shell set to /bin/false.
B) The user scott's account has reached the expiry date.
C) The user scott does not have a valid UID to get authorized by the system.
D) The user scott has the shell set to /sbin/nologin.
E) The user scott is assigned with a UID below 500.
F) The user scott's account is locked.
5. As an administrator, you mounted the /exports/projects NFS exported directory from a server on a LAN using the default NFS settings. You find the performance to be low.
Which NFS mount options can you use to increase the performance?
A) set rsize=8192 and keep the write packet size at the default.
B) set rsize=32768 and wsize=32768.
C) set rsize=8192 and wsize=8192.
D) set wsize=32768 and keep the read packet size at the default.
E) set wsize=8192 and keep the read packet size at the default.
F) set rsize=32768 and keep the write packet size at the default.
Solutions:
Question # 1 Answer: A,B | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: C |