“You have just started working for a regional network service provider. The companyprovides several T1s to businesses around your city. In addition, your company suppliesInternet service to three ISPs, using multiple T1s. Two T3s connect your employer’s datacenter with two even larger service providers. You notice a router in the data center that handles the multiple T1s and T3s. Which of the following routing protocols is this router almost certainly running to exchange route information with routers on the other service providers’ networks?”
BGP