1
00:00:00,210 --> 00:00:06,450
Now, there are two main types of network management protocols that you should be aware of when studying

2
00:00:06,780 --> 00:00:10,410
network management protocols and how to manage your network.

3
00:00:10,890 --> 00:00:18,030
Always think about how the protocols work and the advantages and disadvantages of the two main types

4
00:00:18,030 --> 00:00:25,890
of network management protocols, the two types of query based, which means that the network management

5
00:00:25,890 --> 00:00:31,470
station or NMS asks a question from a device and then waits for a response.

6
00:00:32,340 --> 00:00:40,230
And then you have event-based protocols where the network management station simply listens for announcements

7
00:00:40,230 --> 00:00:42,450
or events from the network.

8
00:00:43,360 --> 00:00:49,720
So with query-based, the network management station is sending a query to a router to extract information

9
00:00:49,720 --> 00:00:57,010
from that router, whereas with event-based protocols, a router or switch would inform the network management

10
00:00:57,010 --> 00:01:03,540
station of an issue or of something taking place as an example, an interface goes down

11
00:01:03,670 --> 00:01:04,569
that's an event

12
00:01:05,080 --> 00:01:10,390
and a message is sent to the network management station to inform the network management station of

13
00:01:10,390 --> 00:01:11,920
that event taking place.