Chap 11

When did OSPFv1 get released?

• 1998

• 1989

• 1987

• 1991

What is the purpose of OSPF Hello Packet?

• To send routing updates

• To authenticate routers

• To discover OSPF neighbors

• To calculate metrics

What is the default Administrative Distance for OSPF?

• 100

• 90

• 110

• 120

What is the purpose of OSPF Authentication?

• To elect DR and BDR

• To calculate metrics

• To encrypt and authenticate routing information

• To discover OSPF neighbors

What is the formula to calculate OSPF cost based on bandwidth?

• 10^8 / bandwidth

• 10 * bandwidth

• 10 / bandwidth

• 10^8 * bandwidth

What is the purpose of a Link State Update (LSU) in OSPF?

• To deliver link state advertisements

• To authenticate routers

• To elect DR and BDR

• To calculate metrics

What is the purpose of a Link State Advertisement (LSA) in OSPF?

• To discover OSPF neighbors

• To send routing updates

• To encrypt routing information

• To contain information about neighbors & path costs

What is the OSPF metric based on?

• Load

• Reliability

• Bandwidth

• Delay

What is the purpose of the OSPF Hello Protocol?

• To send routing updates

• To discover OSPF neighbors & establish adjacencies

• To authenticate routers

• To calculate metrics

What is the function of the Designated Router (DR) in OSPF?

• Responsible for sending routing updates

• Responsible for updating all other OSPF routers

• Responsible for authenticating routers

• Responsible for calculating metrics