Which three statements are correct about the differences in IS - IS and OSPF?()
- A IS - IS is more CPU - intensive than is OSPF
- B For greater fine tuning there are more IS - IS timers
- C IS - IS LSP con tains TLV fields and OSPF LSU contains the LSAs
- D New additions to the protocol are easily implemented in OSPF but not with IS - IS
- E OSPF has more area types than does IS - IS