A network team is getting reports that air conditioning is out in an IDF. The team would like to determine whether additional network issues are occurring. Which of the following should the network team do?
A.
Confirm that memory usage on the network devices in the IDF is normal.
B.
Access network baseline data for references to an air conditioning issue.
C.
Verify severity levels on the corporate syslog server.
D.
Check for SNMP traps from a network device in the IDF.
E.
Review interface statistics looking for cyclic redundancy errors.
The team would like to determine whether additional network issues are occurring. So why would you choose B if you already know there is an issue with the A/C.? Wouldn't you now look further to check for additional network issues? B makes more sense
You should always start with seeing what changed first in your system, you can find this from baseline data to let you know what typical air conditioning issues are in a system to start looking at.
You should always start with seeing what changed first in your system, you can find this from baseline data to let you know what typical air conditioning issues are in a system to start with.
B. Checking the baseline and comparing to to current status will give tech an answer if something is going on. SNMP traps.would only trigger if there's already an issue just like the AC going put. So it means no other traps were.logged and checking the snmp again won't do a thing
Accessing the "baseline data for an AC issue" is a nonsense statement in this context.
Maybe comparing baseline data to current data might be useful, but not here. Listen to your network - check SNMP traps.
This question is tricky, real world we have traps set for everything and we usually have a fairly low standard for when we are alerted about something going down. So yes you could use your baselines but we typically use our baselines for when we changed something in the network ie. routes, updates, upgrades, etc… so I am leaning towards traps because that is typical what we would check first if not just go to the DC floor ourselves.
D. Check for SNMP traps from a network device in the IDF.
In this scenario, the network team is getting reports of air conditioning being out in an IDF, and they want to determine whether additional network issues are occurring. SNMP (Simple Network Management Protocol) traps are messages that are sent from network devices to a management system, such as a syslog server, when specific events occur, such as interface failures or high CPU usage. By checking for SNMP traps from a network device in the IDF, the network team can determine whether any network devices are experiencing issues that may be related to the air conditioning outage.
It's B. "Additional" Network issues. Key word is additional. The best way to find out if there may be additional issues outside of the obvious is to compare against the baseline.
D. Check for SNMP traps from a network device in the IDF.
The correct answer is D because checking for SNMP traps from a network device in the IDF will help the network team determine whether additional network issues are occurring. A and B are not correct because they do not provide any information regarding additional network issues. C and E are not correct because they do not provide any information regarding the air conditioning issue.
This seems it could be either B or D, at first I thought it was D but now leaning towards B. I would think D would be more helpful but it might not show if there are "additional" network issues and just if things are about to overheat. Mainly last 2 sentences from below say B is probably correct.
Emmett Dulaney
"Baselines play an integral part in network documentation because they let you monitor the network’s overall performance. In simple terms, a baseline is a measure of performance that
indicates how hard the network is working and where network resources are spent. The purpose of a baseline is to provide a basis of comparison. For example, you can compare the
network’s performance results taken in March to results taken in June, or from one year to the next. More commonly, you would compare the baseline information at a time when the
network is having a problem to information recorded when the network was operating with greater efficiency. Such comparisons help you determine whether there has been a problem with the network, how significant that problem is, and even where the problem lies."
And you are right. You can see the changes from baseline, way before any SNMP traps.
For a trap to be sent, there need to be a certain specific event/condition or threshold exceeded. So we can have a situation with zero traps but far from normal - and comparing to the baseline will show it to us right away.
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