File Info
| Exam | HCNA-Transmission |
| Number | H31-311 |
| File Name | Huawei.H31-311.PrepDumps.2021-11-23.175q.vcex |
| Size | 66 KB |
| Posted | Nov 23, 2021 |
| Download | Huawei.H31-311.PrepDumps.2021-11-23.175q.vcex |
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Demo Questions
Question 1
Which of the following statements about OTN advantages is incorrect?
- The WDM function is used to meet the requirement for Tbit/s bandwidth per fiber.
- OTN provides a maximum of five levels of nested or overlapped TCM connection monitoring.
- OTN provides powerful outband FEC functions to effectively guarantee the line transmission performance.
- OTN provides 2.7 Gbit/s, 10.7 Gbit/s, 43 Gbit/s, and even 111.8 Gbit/s high-rate interfaces.
Correct answer: B
Question 2
Which of the following bytes in the regenerator section overhead are associated with R-OOFand R-LOF? (Multiple Choice)
- A1
- A2
- B1
- B2
Correct answer: AB
Question 3
When multiple users need to share the same VCTRUNK and use the same VLAN ID, the QinQtechnology can be used.
- TRUE
- FALSE
Correct answer: A
Question 4
The rates of the SF64 and SL64 boards are both STM-64. Therefore, the two boards can beinterconnected.
- TRUE
- FALSE
Correct answer: B
Question 5
Which of the following are VLAN classification methods? (Multiple Choice)
- By MAC address
- By port
- By subnet
- By protocol
Correct answer: ABCD
Question 6
Which of the following are the differences between AU pointer and TU pointer? (MultipleChoice)
- Indication range
- Number of bits occupied by the pointer value
- Byte where the pointer value is stored
- Adjustment unit
Correct answer: ACD
Question 7
LCK insertion has priority over AIS insertion. That is, if a user configures LCK insertion and theconditions of automatic AIS insertion are met, LCK is inserted.
- TRUE
- FALSE
Correct answer: A
Question 8
Automatic laser shutdown (ALS); When no optical signal is received, the ALS functionautomatically shuts down the corresponding optical module.
This function protects onsite maintenance personnel.
- TRUE
- FALSE
Correct answer: A
Question 9
The Kl and K2 bytes can transmit APS switching signaling, and can also indicate that themultiplex section signal fails.
- TRUE
- FALSE
Correct answer: A
Question 10
Which of the following can be the center wavelengths of the pump sources in an EDFA?(Multiple Choice)
- 980 nm
- 1510 nm
- 1480 nm
- 1310 nm
Correct answer: AC
