it is a ring network
Some software errors point to a physical connectivity problem, or True.
True.
No, physical connections are OSI layer 2 connections and shouldn't specify any higher-level connectivity. Ideally you should still try to draw them in hierarchical order (core, distribution & access).
It is the physical connectivity of all the computers in the world that participate in the World Wide Web.
Yes, light is a physical phenomenon that consists of electromagnetic waves.
Hubs and repeaters operate at the Physical Layer of the OSI Model. The Physical Layer is the first layer of the OSI Model.
A group of users complain that they cannot log on to the network.
Because It can make diagnosing network/poor internet connectivity issues much easier.
the devices which connects different computer systems through a single physical conections.
To troubleshoot connectivity issues with a router, start by checking the physical connections, restarting the router, and ensuring the settings are correct. If the issue persists, contact your internet service provider for further assistance.
Two or more poppulation
the substance or substances of which any physical object consists or is composed