18. Using Shared Storage

Question 1

Meaning of NAS?

Answer 1

Network Attached Storage

Question 2

What is a NAS?

Answer 2

Device with hard drives in an enclosure, running server firmware

Usually running some form of linux

Question 3

How do you access storage in a NAS?

Answer 3

Via different file sharing protocols

Can be accessed via Ethernet or Wi-Fi

In a SOHO network you would plug it into a LAN port on the SOHO router

Question 4

How to access NAS’s web management page?

For configuration

Answer 4

By entering it’s IP address on browser

Question 5

2 ways to share a printer on the network?

Answer 5

• Share printer via Windows
• Use hardware print server

Question 6

What does sharing a printer via Windows mean?

Answer 6

Allowing devices on the LAN to use the printer as if it were directly connected to them

The Windows PC acts as a print server, enabling other devices (like MacBooks or other PCs) to send print jobs to the shared printer over the network.

Question 7

What is a rule about computers joining workgroups/domains?

Answer 7

A computer can only join a workgroup OR a domain, not both

The computer can also only belong to one domain

Question 8

Meaning of FTP?

Answer 8

File Transfer Protocol

Question 9

What is FTP used for?

Answer 9

File transfers

i.e. FTP is widely used to update the files constituting a website from the designer’s PC to the web server.

Question 10

Downside to FTP?

Answer 10

Everything is sent unencrypted

But FTP sessions can be protected using encryption protocols

Question 11

What does cloud computing refer to?

Answer 11

Providing a computing resource to the customer on a pay-per-use basis

Question 12

What is a P2P network?

Answer 12

Network where all clients share resources with the network

In P2P file sharing, clients share storage space and bandwidth to search for, download, and upload files. Files are distributed among clients and reassembled by the P2P client for download.

Question 13

How can databases be backed up?

Answer 13

• Replicating it on a separate server
• Using transaction logs

Question 14

Why can’t you just use replication to back up databases?

Meaning, your not using transaction logs

Answer 14

Changes to the master database are reflected in the replica(s)

Replication doesn’t shield against errors like accidental record deletions. If accepted as valid, such errors propagate across all replicas during the next replication interval.

Question 15

What are snapshot-based database backups?

Answer 15

Read-only copies of the database

Question 16

OS backup

What is a bare metal backup?

Answer 16

Backup applicable to a partitioned drive, skipping OS reinstall.

Question 17

OS backup

How do bare metal backups typically work?

Answer 17

Create an image & offer a recovery boot disk to connect to external recovery media

Bare metal backups involve creating an image of the system. To restore, the backup software provides a recovery boot disk, allowing connection to external recovery media like an external hard drive or network drive.

Question 18

How to bakcup files in Windows 7?

Answer 18

Backup and Restore

Question 19

How to backup files in Windows 8/10?

Answer 19

File History

Question 20

What does Backup and Restore (Windows 7) enable you to do?

Answer 20

Perform selective, scheduled, & ad-hoc backups

Question 21

What does File History (Windows 8/10) enable you to do?

Answer 21

Automated backups

As files are modified, the version is tracked & backed up automatically

Question 22

How to access the file backup options in Windows?

Backup & Restore (Windows 7) & File History (Windows 8/10) are located in the same place

Answer 22

Backup tab in Update & Security category in Settings