[Dec-2021] Free H31-311-ENU Exam Questions H31-311-ENU Actual Free Exam Questions
Verified H31-311-ENU dumps and 190 unique questions
NEW QUESTION 48
When the U2000 data is backed up using scripts, the backup is fast because the backup files are small.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 49
Forced switching, fiber cut switching, manual switching, and exercise switching are in the descending order of priority.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 50
The STAT indicator of an SDH board is blinking red, on for 100 ms and off for 100 ms.
Which of the following is the meaning of the indicator status?
- A. Hardware fault
- B. Normal operating
- C. Hardware mismatch
- D. No power supply input
Answer: C
NEW QUESTION 51
Which of the following are the main advantages of SDH? (Multiple Choice)
- A. Standard interfaces
- B. Synchronous multiplexing
- C. High compatibility
- D. Powerful OAM
Answer: A,B,C,D
NEW QUESTION 52
The device IP addresses of the gateway NE and non-gateway NEs must be set in the same network segment.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 53
The OSN 1500/2500/3500/7500 supports both DC and AC power inputs.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 54
Which of the following is not the northbound interface provided by the U2000?
- A. XML
- B. SNMP
- C. Qx
- D. CORBA
Answer: C
NEW QUESTION 55
Which of the following methods can be used to multiplex lower-order ODUk to higher-order ODUk?
- A. Space division multiplexing
- B. Wavelength division multiplexing
- C. Frequency division multiplexing
- D. Time division multiplexing
Answer: D
NEW QUESTION 56
Automatic laser shutdown (ALS): When no optical signal is received, the ALS function automatically shuts down the corresponding optical module. This function protects onsite maintenance personnel.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 57
The 1310 nm and 1550 nm transmission windows are low-loss windows. In DWDM systems, only the 1550 nm transmission window is used.
Which of the following is the major cause?
- A. None of the above
- B. The working wavelength flatness area of the EDFA is included in this window.
- C. The 1550 nm wavelength area is applicable to long-haul transmission.
- D. The non-linear effect of the 1550 nm wavelength area is small.
Answer: B
NEW QUESTION 58
Which of the following can be the center wavelengths of the pump sources in an EDFA? (Multiple Choice)
- A. 1510 nm
- B. 980 nm
- C. 1310 nm
- D. 1480 nm
Answer: B,D
NEW QUESTION 59
Only one TCM can be used at a site.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 60
When severely errored seconds (SESs) are present in the PM section at the ODUk layer, which of the following alarms is reported on the NMS?
- A. ODUk_PM_UAS
- B. ODUk_PM_SES
- C. ODUk_PM_SESR
- D. ODUk_PM_ES
Answer: B
NEW QUESTION 61
Which of the following is the basic requirement of a DWDM system on a light source?
- A. The transmit power is high.
- B. The output wavelength is stable.
- C. The dispersion tolerance is low.
- D. The direct modulation method is used.
Answer: B
NEW QUESTION 62
Which of the following is not a condition for triggering multiplex section protection (MSP)?
- A. The MS-AIS signal is detected.
- B. AU-AIS is detected.
- C. R-LOF is detected.
- D. R-LOS is detected.
Answer: B
NEW QUESTION 63
......
Latest 100% Passing Guarantee - Brilliant H31-311-ENU Exam Questions PDF: https://www.practicematerial.com/H31-311-ENU-exam-materials.html
