Which main IoT migration aspect should be reviewed for a manufacturing plant?

Company ABC wants to minimize the risk of users plugging unauthorized switches and hubs into the network Which two features can be used on the LAN access ports to support this design requirement? (Choose two.)

Which two possible drawbacks should you consider when introducing Network Functions Virtualization in a network design? (Choose two)

The network designer needs to use GLOP IP addresses in order to make them unique within their ASN Which multicast address range should be used?

You have been asked to design a remote access VPN solution to support up to 2000 devices. You must ensure that only corporate assets are allowed to connect to the VPN, and users must authenticate to gain access of their based on their user role. Users must use a password that they are already using to access existing applications . A user may not always use the same device to access the VPN. Which two options combined meet the requirements? (Choose two)