Unit OS8: File System 8.6. Quiz Windows Operating System Internals - by David A. Solomon and Mark E. Russinovich with Andreas Polze

Copyright Notice © 2000-2005 David A. Solomon and Mark Russinovich These materials are part of the Windows Operating System Internals Curriculum Development Kit, developed by David A. Solomon and Mark E. Russinovich with Andreas Polze Microsoft has licensed these materials from David Solomon Expert Seminars, Inc. for distribution to academic organizations solely for use in academic environments (and not for commercial use)

Windows File System Efficiency and Stability of a file system are contradicting requirements. How can the Windows file system (NTFS) be characterized? Lazy write-file system Careful write-file system Recoverable (Journaling)-file system Flat (Non-hierarchical)-file system c) Recoverable (Journaling)-file system

NTFS Recovery An atomic transaction is an operation that: Can be fully undone if it fails in progress Can be partially undone if it fails in progress Cannot be undone if it fails in progress Crashes the computer if it fails a) Can be fully undone if it fails in progress

NTFS Functionality Which functionality is not (!) provided by NTFS? Compression Encryption Multiple data streams Versioning d) Versioning

Physical Storage A cluster consists of how many sectors? 1 2 8 It depends d) It depends

File System Formats Which of the following is NOT a file system format supported by Windows? FAT16 FAT64 NTFS UDF b) FAT64

File System Characteristics Which of the following file systems implement security? UDF FAT32 NTFS Both a) and c) c) NTFS

FAT File System Which is NOT an advantage of FAT32 over the FAT 16 file system? Root directory is not a fixed size Root directory is not in a fixed place Root directory is mirrored Supports files up to 32GB in size c) Root directory is mirrored

Optical Storage Why is UDF better than CDFS? UDF is faster UDF supports longer file names and paths UDF is more tolerant against disk corruption CDFS does not support CD-RW b) UDF supports longer file names and paths

NTFS Data Storage An NTFS main data default stream is also known as: Unnamed stream Main stream System stream Alternate stream a) Unnamed stream

NTFS Characteristics Junctions are a form of: Hard link Symbolic link Compression Encryption b) Symbolic link

NTFS Quota NTFS per-user quotas are enforced on what level? File Volume System Domain b) Volume

Additional NTFS Features EFS stands for: Enterprise File System Encryption Format Standard Encrypting File System Encrypted Function Stream c) Encrypting File System

POSIX Support POSIX-style names differ from Windows-API names in that: POSIX names are case-insensitive POSIX names are limited to 128 characters POSIX names are case-sensitive Both b) and c) d) Both b) and c)

File System Drivers If no file system claims a volume during mount process, which driver claims it? Raw Cooked Unrecognized Mountall a) Raw

Distributed File System Operation Which driver sends network drive letter accesses to the remote file server? LANMan Server LANMan Client LANMan Redirector LANMan Remote c) LANMan Redirector

Server Message Block Protocol CIFS stands for: Common Interoperable File System Common Internet File System Core I/O File Server Nothing b) Common Internet File System

Filter Drivers A file system filter driver intercepts I/O by: Replacing file system driver Attaching above file system drivers Patching file system driver functions Attaching below a file system driver b) Attaching above file system drivers

Caching The NTFS file system caches only file data, not the metadata. True False b) False

Fast I/O Fast I/O saves: Disk I/O CPU time Disk space Memory b) CPU time

File I/O Which file open flag improves sequential read access? FILE_FLAG_SEQUENTIAL FILE_FLAG_RANDOM_ACCESS FILE_FLAG_NO_BUFFERING All of the above a) FILE_FLAG_SEQUENTIAL