While installing routers between two buildings, a technician must configure an ipv4 address on both routers using a subnet mask that will yield only the required ip addresses. what should the technician use for the subnet mask, expressed in cidr notation?

/30

Explanation:

/ 30 subnet have total two hosts and 419432 subnets. In above example we to connect or install router in two buildings that why /30 subnet is feasible. because this provides two host.

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