QUESTION: 21

Zach, a network administrator, is responding to a support ticket. The ticket does not have enough information to determine the problem. Which of the following should Zach perform FIRST before responding to the ticket?

Determine if anything has changed.
Test a theory to determine a cause.
Establish a plan of action to resolve the problem.
Escalate the problem if necessary.

Answer(s): A

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QUESTION: 22

Which of the following ports would have to be allowed through a firewall to allow SNMP traffic to pass on its default port? (Select TWO).

22
23
143
161
162
8080

Answer(s): D,E

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QUESTION: 23

Lisa, an administrator, attempts to open a web page and sees the following error: `Error 404: Page not found'. She then uses the ping command and finds that the default gateway cannot be pinged. At which of the following layers does the problem MOST likely reside?