[Dec-2021] Huawei H31-311-ENU Dumps – Reduce Your Chance of Failure in H31-311-ENU Exam
To help you achieve your ultimate goal, we suggest the actual Huawei H31-311-ENU dumps for your HCIA-Transmission(Huawei Certified ICT Associate-Transmission) exam preparation to use as your guideline.
NEW QUESTION 90
The standard Ethernet frame length should not be less than 64 bytes.
Which of the following factors cause this limitation? (Multiple Choice)
- A. Working mechanism of conflict detection
- B. Minimum transmission distance
- C. MAC address
- D. Maximum transmission distance
Answer: A,D
NEW QUESTION 91
OTM nr.m consists of a maximum of "n" optical multiplexing channels and does not support non-channel-associated overheads. The letter "r" indicates function reduction.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 92
Which of the following statements about the sequence of a signal flow between the SDH interface and the cross-connect unit is correct?
- A. SPI<>RST<>MSA<>MSP<>MST<>HPT
- B. SPI<>RST<>MST<>MSP<>MSA<>HPT
- C. SPI<>MST<>RST<>MSA<>MSP<>HPT
- D. SPT<>MST<>MSA<>RST<>MSP<>HPT
Answer: B
NEW QUESTION 93
Which of the following statements about the optical-layer interfaces OTM-n.m and OTM-nr.m of OTN is incorrect?
- A. r indicates OTM without the OSC function..
- B. OTM-nr.m with OSC signals is OTM-n.m.
- C. m indicates the rate. The value can be 1, 2, or 3.
- D. n indicates the number of wavelengths carried by the maximum capacity,
Answer: C
NEW QUESTION 94
In the Windows operating system, the log files of the U2000 program are stored in the () directory of the U2000 installation drive.
- A. /U2000/server
- B. /U2000/client/log
- C. /U2000/server/log
- D. /U2000/client
Answer: C
NEW QUESTION 95
Which of the following statements about the multiplex section remote error indication (MS-REI) is correct?
① The B2 byte indicates the transmission channel.
② The M1 byte indicates the transmission channel.
③ MS-REI is transmitted from the sink to the source.
④ MS-REI is transmitted from the source to the sink.
⑤ Indicates the number of detected bit errors after the sink receives the MS signals.
- A. ①④⑤
- B. ①③⑤
- C. ②④⑤
- D. ②③⑤
Answer: D
NEW QUESTION 96
Which of the following bytes can be used for the orderwire phone between two REG devices?
- A. None of the above
- B. E1 and E2
- C. E1
- D. E2
Answer: C
NEW QUESTION 97
Which of the following is the default WTR time for MSP switching?
- A. 12 minutes
- B. 10 minutes
- C. 6 minutes
- D. 15 minutes
Answer: B
NEW QUESTION 98
WDM multiplexes the optical signals at multiple rates (wavelengths) over one fiber for transmission. The digital signals carried by these optical signals must have the same rate and data format.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 99
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 100
On the OSN series transport devices, Ethernet ports cannot access tagged frames and untagged frames at the same time.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 101
When you configure services on a per-NE basis, which of the following protection schemes does not require the subnet configuration before subsequent protection operations?
- A. MSP and SNCP
- B. MSP
- C. SNCP
- D. LMSP
Answer: C
NEW QUESTION 102
The section overhead of STM-4 is ( ) bytes/frame.
- A. 9*8
- B. 9*9*8
- C. 9*8*4
- D. 9*9*4
Answer: C
NEW QUESTION 103
Which of the following is not the advantage of WDM?
- A. Compatible with ail optical switching networks in the future
- B. Easy to upgrade and maximizing the protection for existing investments
- C. Ultra-large capacity and transparent data transmission
- D. Completely substituting for SDH devices
Answer: D
NEW QUESTION 104
A MAC address consists of 46 bits and is globally unique.
Which of the following is the meaning of the MAC address whose eighth bit is 1?
- A. Bicast address
- B. Unicast address
- C. Broadcast address
- D. Multicast address
Answer: D
NEW QUESTION 105
Which of the following is the meaning of SFD in the Ethernet frame structure?
- A. Start frame delimiter
- B. Frame check sequence
- C. Preamble
- D. Payload
Answer: A
NEW QUESTION 106
Which of the following are the components of a WDM system multiplexing N wavelengths? (Multiple Choice)
- A. Optical amplifier unit
- B. Supervisory unit
- C. Wavelength division multiplexing unit
- D. Optical transponder unit
Answer: A,B,C,D
NEW QUESTION 107
Optical supervisory channels are intended for the supervisory of WDM optical transmission systems. In UU-T recommendations, 1510 nm wavelengths at a ( ) rate are preferentially used.
- A. 64 kbit/s
- B. 2 Mbit/s
- C. 192 kbit/s
- D. 576 kbit/s
Answer: B
NEW QUESTION 108
RSOH, MSOH, HPOH, and LPOH implement monitoring functions in the descending order of monitoring scope.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 109
Assume that 2 x VC-12 timeslots need to be bound with VCTRUNK1 of the N2EFS4 board.
When 8 x VC-4 timeslots are available on the N2EFS4 board, which of the following timeslots meets the requirements?
- A. VC-12 timeslots 1 and 2 of the fourth VC-4
- B. VC-12 timeslots 33 and 34 of the second VC-4
- C. VC-12 timeslots 1 and 2 of the eighth VC-4
- D. VC-12 timeslots 1 and 2 of the first VC-4
Answer: A
NEW QUESTION 110
A 1510 nm optical supervisory channel can be effectively amplified after it passes an EDFA.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 111
Which of the following statements about the EFS4 board are correct? (Multiple Choice)
- A. This board supports Layer-2 switching.
- B. The board interface an LC interface.
- C. This board has four FE ports.
- D. This board must be used together with a processing board.
Answer: A,C
NEW QUESTION 112
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