Podcast
Questions and Answers
What is the term for groups of eight bits?
What is the term for groups of eight bits?
- Block
- Nibble
- Word
- Byte (correct)
Which encoding represents the letter 'A' as 'feff0041'?
Which encoding represents the letter 'A' as 'feff0041'?
- UTF-16 (correct)
- Binary
- UTF-8
- ASCII
What is the term for storing bytes with the smallest end first?
What is the term for storing bytes with the smallest end first?
- Ascending-endian
- Big-endian
- Little-endian (correct)
- Descending-endian
What does the Master File Table (MFT) record contain?
What does the Master File Table (MFT) record contain?
What happens when a file is created in NTFS?
What happens when a file is created in NTFS?
How does NTFS handle deleted files on Solid-State Drives (SSD)?
How does NTFS handle deleted files on Solid-State Drives (SSD)?
What does it mean for a hash algorithm to be collision resistant?
What does it mean for a hash algorithm to be collision resistant?
What is one of the main usages of hash algorithms mentioned in the text?
What is one of the main usages of hash algorithms mentioned in the text?
What type of database is SQLite?
What type of database is SQLite?
Why is the computer's memory an important source for finding encrypted information?
Why is the computer's memory an important source for finding encrypted information?
Study Notes
Bit Encoding and File Systems
- A group of eight bits is referred to as a byte.
- The encoding 'feff0041' represents the letter 'A' in UTF-16 little-endian encoding.
- Storing bytes with the smallest end first is known as little-endian byte ordering.
NTFS File System
- The Master File Table (MFT) records contain metadata about files, including file names, permissions, and location.
- When a file is created in NTFS, a new entry is added to the MFT.
- On Solid-State Drives (SSD), NTFS handles deleted files by marking them as deleted, but not actually deleting the data, to preserve SSD lifespan.
Hash Algorithms
- A hash algorithm being collision resistant means it is computationally infeasible to find two different input values with the same output hash value.
- One of the main usages of hash algorithms is data integrity, ensuring that data is not modified or tampered with.
Databases
- SQLite is a type of self-contained, serverless, zero-configuration, and transactional relational database engine.
Memory and Encryption
- A computer's memory is an important source for finding encrypted information because it may contain unencrypted data or decryption keys.
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Description
Test your knowledge about the Master File Table (MFT) in the NTFS file system. Explore the role of MFT in storing file records, the size limitations, resident and non-resident files, and more.
