[2022年08月13日] H31-311_V2.5 PDF問題とテストエンジンには200問があります
更新された試験エンジンはH31-311_V2.5試験無料お試しサンプル365日更新されます
質問 14
For alignment; Indicates the starting position of VC-n in the corresponding AU or TU frame. * This way: The receiver can correctly remove the corresponding VC from STM-N, and then The VC and C packages are separated into separate low-rate signals, such as PDH, which means that the low-rate path signal can be dropped directly from the STM-N signal.
- A. Error
- B. True
正解: B
質問 15
Both PDH and SDH have globally harmonized standards.
- A. True
- B. False
正解: B
質問 16
The value of the MFAS byte increases with the sequence number of the OTUk/ODUK base frame and includes the most () base frames.
- A. 0
- B. 1
- C. 2
- D. 3
正解: D
質問 17
STM-64 has an () AU pointer.
- A. 0
- B. 1
- C. 2
- D. 3
正解: B
質問 18
When configuring VLAN-based service types, which of the following features must be enabled on the port?
- A. Broadcast packet suppression
- B. Autonegotiation mode
- C. Go to check
- D. Flow control
正解: C
質問 19
According to the formula "ODUk rate = 239/(239k) x STM-N frame rate", ODU4 The rate is equal to the 239/235xSTM-N Pa rate.
- A. True
- B. False
正解: B
質問 20
The MAC loopback and PHY loopback are used for fault location. When the MAC loopback is set to in loop, the PHY loopback can be set according to the actual situation.
- A. True
- B. False
正解: B
質問 21
When the fiber between node A and node B is disconnected, the RU on node B detects OTS_LOS alarm and will OTS_BDI The ru of the alert inserted into node A of node A forces reports OTS BDI alarms. The board reports och_SSF alarm on the downstream C node.
- A. True
- B. error
正解: A
質問 22
Which of the following is affected by changing the element ID of OSN3500 on NMS?
- A. NE time is out of sync.
- B. Restart your device.
- C. Interruption of business.
- D. Network element communication is interrupted.
正解: D
質問 23
In WDM systems, it is ideal to use a dielectric thin film filter (TFF) when using less than () wavelengths.
- A. 0
- B. 1
- C. 2
- D. 3
正解: A
質問 24
The difference between dispersion compensation fibers and ordinary optical fibers is that the dispersion compensation fibers have a negative dispersion coefficient at ().
- A. 1310 nm
- B. 1650nm
- C. 800nm
- D. 1550nm
正解: D
質問 25
Which of the following ITLI-T recommendations define the OTN frame structure?
- A. G.694
- B. G.709
- C. G.975
- D. G.652
正解: B
質問 26
SL64 board is available for OSN 2500.
- A. True
- B. False
正解: B
質問 27
In a 2.5GMSP ring consisting of four MSTP sites, which of the following statements about alarm reports is correct when a protection switchover occurs?
- A. Report APS-INDl alerts on the system dashboard.
- B. Report APS-INDI alarms on the board.
- C. PS Alarms are reported on the tributary board.
- D. APS-INDI alarms are reported on the xCS board. .
正解: D
質問 28
In WDM systems, it is ideal to use a dielectric thin problem filter (TFF) when using less than () wavelengths.
- A. 0
- B. 1
- C. 2
- D. 3
正解: A
質問 29
When using a script to back up U2000 data, the backup speed is fast because the backup file is small.
- A. True
- B. False
正解: B
質問 30
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テストエンジンの練習テストならこれH31-311_V2.5有効で更新された問題集：https://drive.google.com/open?id=1A5Fye0rxcg3PwMbo9uLDlU0dgACacZNu