Disks

Question 1

What is the structural hierarchy for a disk?

Answer 1

Track
Cluster (contiguous section of sectors)
Sector (set by OEM)

Question 2

What is the AUS?

Answer 2

Allocation Unit Size (sector size)

Minimum space file takes up on disk

Question 3

Where is the partition table stored on MBR and GPT?

Answer 3

MBR Boot sector

GBT Every patition (more resiliant)

Question 4

What is the partition limit for MBR and GPT?

Answer 4

MBR 4

GPT 128

Question 5

What is the maximum size of MBR and GPT?

Answer 5

MBR: 2TB
GPT: 18EB

Question 6

What is a prerequisite of using GPT?

Answer 6

UEFI

Question 7

What are advantages of ReFS?

Answer 7

Built in checksums fix errors and corruption while online
Block cloning (not deduplication)
Everything is a metadata operation, not at block level (NTFS)

Question 8

What are the disadvantages of ReFS?

Answer 8

No:
File level encryption
Data duplication
Disk quotas
4k or 64 AUS

Question 9

What is the maximum size of VHD and VHDX?

Answer 9

2TB

64TB

Question 10

What vhd do Generation 1 and 2 VMs support?

Answer 10

Generation 1: VHD/X

Generation 2: VHDX

Question 11

What is the PS command to create a VHD?

Answer 11

New-VHD -Path name.vhd/x