which hardware component can theScreenOSimage be loaded?

When managing aNetScreendevice via theWebUland performing an image upgrade, from which hardware component can theScreenOSimage be loaded?

A.
TFTP server

B.
PC local disk Internal Flash

C.
PCMCIA Card

D.
Compact Flash Card

Explanation:

You can upgrade or downgrade theScreenOSin threeways :
Web User Interface (WebUI)
Command Line Interface (CLI)
Boot Loader orScreenOSLoader
To use theWebUI, you must have:
Root or read-write privileges to theNetScreendevice
Network access to theNetScreendevice from your computer An Internet browser installed on your computer
The newScreenOSfirmware (downloaded from the Juniper Networks Web site and saved locally on your computer)
To use the CLI, you must have:
Root or read-write privileges to theNetScreendevice
A console connection or Telnet access to theNetScreendevice from your computer A TFTP server installed on your computer
The newScreenOSfirmware (downloaded from the Juniper Networks Web site and saved to the TFTP
serverdirectory on your computer)
To upgrade or downgrade through the boot loader, you must have:
Root or read-write privileges to theNetScreendevice
A TFTP server installed on your computer or on your local network An Ethernet connection from your computer to theNetScreendevice (to transfer data, namely from the
TFTP server on your computer)
A console connection from your computer to theNetScreendevice (to manage theNetScreen device)
The newScreenOSfirmware saved to the TFTP server directory on your computer