C702 WGU UPDATED ACTUAL Questions and CORRECT Answers

C702 WGU UPDATED ACTUAL Questions and CORRECT Answers

1. Digital data storage Magnetic
types Optical
Flash

2. Sector Section of the platter holding data. Shaped like a slice of pizza

3. Tracks Thin concentric, circular rings of a sector. At least one head is required to read
a single track

4. Head Reads/writes data in the hard drive by manipulating the magnetic medium on
the surface of a disk platter

5. Clusters Smallest accessible storage units on a hard disk
Formed by combining sectors to ease the process of handling files (allocation
units). Sets of tracks and sectors.
Ranging from 2-32+ depending on formatting scheme
Minimum file size space is one cluster

6. Cylinders Division of data in a disk drive.
CHS address mode of a fixed block architecture disk
Cylinder-head-record (CHR) addressing mode of a CKD disk

7. Windows File Sys- FAT, FAT32, NTFS, EFS
tem Types

8. Linux File System FHS, ext, ext2, ext3, ext4
Types

9. CD-ROM Volume 0 - Boot Record
Descriptor Types 1 - Primary Volume
2 - Supplementary Volume
3 - Volume Partition
266 - Set Terminator




, C702 WGU UPDATED ACTUAL Questions and CORRECT Answers

10. Disk Partitions Creation of logical divisions on a storage device (HDD/SSD) to allow the user
to apply OS-specific logical formatting

Primary - OS, System area & other info for booting
Extended - Data & files stored in the disk

11. Partition Table 64-byte. Stores info about partitions on the hard disk
Structure

12. MBR Disk Signature 2 bytes. Required by BIOS during booting

13. Master Boot Code Loading OS into memory. 446-bytes
(Boot Strap)

14. GUID Partition LBAO - Protective MBR
Table LBA1 - Primary GPT Header
LBA2 - Partition Entry Array
LBA3 - Entries 5-128
LBA33 - Entries 1-4
LBA34 - Partition 1, Partition 2, Remaining Partitions

15. Cold Boot Hard boot. Starting computer from powered off

16. Warm Boot Soft boot. Loading computer that is already powered on, hibernating/sleeping

17. BIOS-MBR Windows XP, Wiindows Vista, Windows 7

18. UEFI-GPT/BIOS-MBRWindows 8 and above. Users choice on which to use

19. GPT Partitioning DiskPart (Windows)
Tables OS X Disk (Mac)
GNU Parted (Linux)

20. Linux Boot Process BIOS Stage > Bootloader Stage > Kernel Stage



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21. Linux BIOS Stage Initializes system hardware, searches for MBR

22. Linux Bootloader Loading Linux kernel and optional initial RAM disk
Stage

23. Linux Kernel Stage Virtual root file system executes Linuxrc program

24. FAT Boot Sector First sector. Holds data used by the file system to access the partition or volume

25. NTFS Master Boot Contains executable master boot code
Record

26. NTFS Boot Record Volume Boot Record (VBR). First sector

27. NTFS ntldir.dll Accesses the file system and loads contents of boot.ini file

28. NTFS ntfs.sys Computer system file driver

29. Virtual File System Abstract layer on top of a complete file system. Allows client apps to access
(VFS) various file systems. Consists of dispatching layer and numerous caches
Programming interface between OS kernel and file system
/proc/, /sys/, /boot/initramfs, devtmpfs, debugfs

30. Linux User Space Protected memory area where user processes run. Contains available memory.

31. Linux Kernel Space System supplies kernel services through kernel processes

32. Linux GNUC Library Sits between user space and kernel space. Provides system call interface that
connects the kernel to the user-space apps

33. Superblock - Magic ext2 file system. Allows mounting software to verify the superblock. 0xEF53
Number

34. ext2 Linux file system. Replaced ext. No journaling. Special superblock field for file
system status