OSPF was conceived as the successor to RIP and as such has a number of advanced features. Discuss 3 (three) such advances of OSPF ( 6 marks) 3.4 Are interior routing protocols suitable for exterior routing? Motivate answer. ( 3 marks) Examine the sample router configuration session below (line numbers added for reference), and answer the following questions: Router >enable Router\#configure terminal Router (config)\#line vty 09 Router (config-line)\#no login Router (config-line)\#exit Router (config)\#enable secret passwd 999 NOP Router (config)\#hostname exam WNEH (a) What is the purpose of the commandsin lines 1, 2, and 5-whyare they necessary? (b) What is the purposeof line 3 ? (c) What is the purposeof line 4 ? ( d) Which privileged access level password (line 6) has been configured here? Copy the letter of the correct answer to your exam pad. (a) 999 (b) passwd 999 (c) secret 999 (d) secret passwd 999 (e) passwd Router Windhoek has the following routing table: C 10.0.0.0 /8 is directly connected, Serial 1R 5.0.0.0/8 [120/1] via 172.16.0.1, Serial 2R192.168.0.0/24 [120/2] via 172.20.0.1, Serial 3 (a) Assuming that Windhoek is applying the Split Horizon principle, what is the content of Windhoek's next routing update... 1 ....sent out of interface Serial 2?2....sent out of interface Serial 3 ? (b) Assuming that Windhoek is applying the Poison Reverse principle, what is the content of Windhoek's next routing update... 1 .... sent out of interface Serial 2 ? 2 ....sent out of interface Serial 3? OSPF was conceived as the successor to RIP and as such has a number of advanced features. Discuss 3 (three) such advances of OSPF ( 6 marks) 3.4 Are interior routing protocols suitable for exterior routing? Motivate answer. ( 3 marks) Examine the sample router configuration session below (line numbers added for reference), and answer the following questions: Router >enable Router\#configure terminal Router (config)\#line vty 09 Router (config-line)\#no login Router (config-line)\#exit Router (config)\#enable secret passwd 999 NOP Router (config)\#hostname exam WNEH (a) What is the purpose of the commandsin lines 1, 2, and 5-whyare they necessary? (b) What is the purposeof line 3 ? (c) What is the purposeof line 4 ? ( d) Which privileged access level password (line 6) has been configured here? Copy the letter of the correct answer to your exam pad. (a) 999 (b) passwd 999 (c) secret 999 (d) secret passwd 999 (e) passwd Router Windhoek has the following routing table: C 10.0.0.0 /8 is directly connected, Serial 1R 5.0.0.0/8 [120/1] via 172.16.0.1, Serial 2R192.168.0.0/24 [120/2] via 172.20.0.1, Serial 3 (a) Assuming that Windhoek is applying the Split Horizon principle, what is the content of Windhoek's next routing update... 1 ....sent out of interface Serial 2?2....sent out of interface Serial 3 ? (b) Assuming that Windhoek is applying the Poison Reverse principle, what is the content of Windhoek's next routing update... 1 .... sent out of interface Serial 2 ? 2 ....sent out of interface Serial 3
