_______ is a group of networks and routers under the authority of a single administration.

An autonomous system

An area

A domain

A region

Routing inside an autonomous system is referred to as

intra-region routing

intra-system routing

intra-office routing

intra-domain routing

In the distance vector routing, a node exchanges routing information with

its immediate neighbors

every other node in the AS

the gateway of the AS

Only one neighbor with the least distance

In OSPF, a serial link between routers is called

Point-to-point link

Transient link

Stub link

Virtual link

In OSPF, an autonomous system is divided into multiple ____

regions

sub-autonomous systems

areas

divisions