Which two statements about IGP and EGP routing protocols are tru

Which two statements about IGP and EGP routing protocols are true? (Choose two)

A.Service providers use OSPF and IS-IS for intra-AS routing

B.EGP routing protocols are used to connect multiple IGP networks.

C.OSPF, EIGRP, and BGP are categorized as IGP routing protocols

D.Service providers use EGP and BGP for intra- AS routing

E.IGP routing protocols are used within internal networks.

正确答案是AB