Networking Questions

Hubs are specified or operate at Layer1 i.e, the physical layer in the OSI model. Hubs regenerate electrical signals. A hub sends data packets (frames) to all devices on a network, regardless of any MAC addresses contained in the data packet.

IPv6 - Internet Protocol Version 6.

IPv6 addresses have a size of 128 bits.

Internet Protocol Version 6 [IPv6] is the successor to the Internet's first addressing infrastructure, Internet Protocol version 4 (IPv4).

In contrast to IPv4, which defined an IP address as a 32-bit value, IPv6 address have a size of 128 bits. 

It is a collection of routers under the control of a single administrative authority and that uses a common Interior Gateway Protocol

Interior gateways connect LANs of one organization, whereas exterior gateways connect the organization to the outside world.

The HELLO protocol uses time instead of distance to determine optimal routing. It is an alternative to the Routing

Information Protocol.

It is any routing protocol used within an autonomous system.

Wide-mouth frog is the simplest known key distribution center (KDC) authentication protocol

It is a very simple protocol used for transmission of IP datagrams across a serial line.