Virtualisering
Master Virtualization Concepts
Test your knowledge of virtualization and storage concepts with this comprehensive quiz! Perfect for students and professionals alike, this quiz covers a range of topics, including RAID configurations, storage pools, and file systems like ZFS and Btrfs.
Challenge yourself with the following:
- 10 carefully crafted questions
- Multiple choice and drop list formats
- Score points based on your answers
What will happen with this RAID 0+1 system if disk 1 fail
Left-side RAID 0 degraded(contiues to work), upper-level RAID 1 not affected except for possible loss of performance
Left side raid 0 completely fails, upper-level RAID 1 becomes degraded(continous work)
Upper-level RAID 1 deatches from left-side RAID 0 (allowing for disk exchange) uses right-side RAID 0 exlusively
Comparing storgae pools vs RAID, what is a disadvantage of storage pools
Not opersing system agnostic ( each vendor has own software implementation)
Lack of fibre channel support
Cannot be used in storage area networks (SANs)
Disk cannot be addressed using iQNs (iscisi quilified names)
In the storage they manage, does either ZFS or Btrfs or both allow the creation of (virtual) block storage devices that ,for example, can be used as swap partitions?
Neither btrfs nor ZFS allow to create such(virtual) block storage device
ZFS allows to create such (virtual) block storage devices, but Btrfs does not
Both Btrfs and ZFS allow to create such (virtual) block storage devices
Btrfs allows to create such (virtual) block storage devices, but ZFS does not
The closest thing in ZFS to a ‘subvolume’ in Btrfs would be a …
Snapshot
Dataset
Subvolume
Pool
Which what are their key characteristics? [ FC-P2P]
Which what are their key characteristics? [ FC-AL]
Which what are their key characteristics? [ FC-SW]
Which what are their key characteristics? [ FC-HBA]
The main issue with Btrfs right now is the …
Missing official integration into the Linux kernel
Broken support for RAID 5
Missing support for snapshots
Missing support for checksums
NFS servers can control who may mount a NFS export by which criteria?
Client-provided username only
Client-provided username and password
Client’s IP address (or hostname)
Client-provided public key
Client-provided private key
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