Go CCIE Go!! - A Cisco Certified Internetwork Expert

Hello All, I had few Questions while doing some hands on in BGP, any info on the following will be very helpful. Question 1# A +—–+ B —- D / C +—–+ A is in AS 100 B is in AS 200 C is in AS 300 D is in AS 400 AS-PATH AS-AGGRE B is getting route 10.10.1.x from A with AS-PATH 100 110 120 { 1 2 3 } B is getting route 10.10.2.x from C with AS-PATH 200 110 130 { 1 4 } When B aggregates the route and send it to D what will be the AS-PATH and AS-SET Field Question 2# Uses the same topology AS-PATH AS-AGGRE B is getting route 10.10.1.x from A with AS-PATH 100 110 120 { 1 2 3 } B is getting route 10.10.1.x from C with AS-PATH 200 110 130 { 1 4 } Now For B who will be the best route Question 3# Uses the same topology AS-PATH AS-AGGRE B is getting route 10.10.1.x from A with AS-PATH 100 110 120 { 1 2 3 } B is getting route 10.10.1.x from C with AS-PATH 200 110 { 1 4 5 6 7 8} Now For B who will be the best route Thanks Japson Jacob