SEM 3

Question 1

what are the states in an ospf neighbor process

Answer 1

1. down state
2. init state
3. two way state
4. Exstart state
5. exchange state
6. loading state
7. full state

Question 2

types of ospf databases

Answer 2

adjacency
topology
link state
(routing table)

Question 3

types of packets

Answer 3

hello 
ack 
link state update 
data base descriptor 
link state request

Question 4

multi cast ip addresses for ospf

Answer 4

224. 0.0.5
225. 0.0.6

FF02::5-6

Question 5

three types of first hop redundancy

Answer 5

HSRP hot standby router protocol
GLBP gateway load balancing protocol
Vrrp Virtual router redundnacy protocol

Question 6

what is the default value for the bridge priority in pvst plus

Answer 6

32768
this is the highest value in base 4096 4 bit system

4096- 8192- 16384- 368

then add the vlan number

if Bridge priority is the same on two switches the lowest mac address is selected as the root primary