NETWORK SECURITY
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Out-of-band management is a method for accessing network devices from a remote location.
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Out-of-band management is a method for accessing network devices using a direct cable connection.
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Out-of-band management is a method for accessing network devices using a connection to the system other than the production network to which the device is connected.
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Out-of-band management is a method for accessing network devices using any tool that operates over the production network to which the device is connected.
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Detailed explanation-1: -While In-Band Management is the ability to administer a network via the LAN, Out-of-Band Management is a solution that provides a secure dedicated alternate access method into an IT network infrastructure to administer connected devices and IT assets without using the corporate LAN.
Detailed explanation-2: -Out-of-Band management provides a secure, remote connection to IT network environments during outages or disruptions in communications to the primary WAN/LAN connection.
Detailed explanation-3: -A console connection allows for a direct connection through a PC to the console port on the device. The PC needs a terminal emulation program (such as PuTTY) to connect to the device’s command line interface. This is an example of out-of-band management.
Detailed explanation-4: -In-band means sending commands in an operating system through a standard NVMe driver and commands, while out-of-band means outside of the operating system knowledge, most commonly done with a host BMC through the SMBUS protocol, but now can be done over PCIe vendor defined messages as well.