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最新的 Nokia Optical Network Services Expert 4A0-265 免費考試真題:

1. What is the default severity level for a Threshold Crossing Alert (TCA) alarm?

A) Warning
B) Major
C) Minor
D) Critical

2. Suppose a Raman amplifier has been plugged into slot 1/8. Which command should the user enter to retrieve the total optical power detected at the ingress interface?

A) show Interface 1/8/LINEIN
B) show interface 1/8 power
C) show interface 1/8 opin
D) show interface 1/8/UNEIN detail

3. Refer to the exhibit, which shows a conditions list from the 1830 PSS GUI. (i) What is the total number of alarms reported? (ii) How many service affecting alarms are displayed? (iii) How many conditions are displayed?

A) (i) total number of alarms = 4
(ii) number of service affecting alarms = 14
(iii) number of conditions = 2
B) (I) total number of alarms = 5
(ii) number of serviceaffectingalarms = 2
(Hi) number of conditions = 14
C) (i) total number of alarms = 7
(ii) number of service affecting alarms = 5
(Hi) number of conditions = 7
D) (i) total number of alarms = 2
(ii) number of service affecting alarms = 2
(Hi) number of conditions = 18

4. Which of the following statements about the alarm masking mechanism is TRUE?

A) The alarm masking mechanism makes sure that alarms are always present on the downstream interfaces to facilitate the troubleshooting process.
B) The alarm masking mechanism updates the events' original time stamps when it masks/shows alarms, so that when an alarm is not masked anymore, the user can see the updated date and time associated with the original issue.
C) The alarm masking mechanism preserves the events' original time stamps, when related alarms gets hidden and then eventually displayed because of the mechanism itself, so that the user can still know the date and time of the original issue.
D) The alarm masking mechanism always forwards masked alarms to an external Network Management System (NMS) for alarm correlation.

問題與答案：

問題 #1 答案： A

問題 #2 答案： D

問題 #3 答案： C

問題 #4 答案： C