Which of the following tasks is/are the responsibility/responsibilities of the memory management unit $\text{(MMU)}$ in a system with paging-based memory management?
- Allocate a new page table for a newly created process
- Translate a virtual address to a physical address using the page table
- Raise a trap when a virtual address is not found in the page table
- Raise a trap when a process tries to write to a page marked with read-only permission in the page table