H31-311_V2.5 Exam Dumps | The clock unit can only access the external clock source as the timing signal source of the system through

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Question 97/336

The clock unit can only access the external clock source as the timing signal source of the system through the external clock interface. In addition, it can also output the processed clock and provide the clock source for other devices that need timing.

A. False

B. True

Question List (336q): Question 1: The backplane has two -48V power lines, and each board obta...; Question 2: Which of the following communication protocols does Huawei e...; Question 3: Which of the following is the step for China to multiplex 2...; Question 4: Which of the following statements about the frame structure ...; Question 5: TNG 1N401 board supports mixed transmission of multiple ODUk...; Question 6: Which of the following descriptions about the MD02 board is...; Question 7: When configuring the OSN3500 with SXCS boards, which of the...; Question 8: Among the following modulation technologies, which one perf...; Question 9: Which of the following is a functional unit that provides h...; Question 10: The dispersion coefficient is the time delay difference cau...; Question 11: Multicast forwarding can be understood as selective broadca...; Question 12: Regarding the AU-AIS alarm, which of the following statemen...; Question 13: When the U2000 is synchronized, the NE data that is the sam...; Question 14: Which of the following device domains can be managed by U200...; Question 15: OL board, OLA board and OPC board can all amplify optical si...; Question 16: Which of the following options are considered to be deficie...; Question 17: Users can easily access NCE through a browser without havin...; Question 18: Which of the following statements about 1+1 protection of c...; Question 19: PDM uses a polarization beam splitter to split the laser int...; Question 20: In the OLT+ONU combined networking mode, OLT mainly plays t...; Question 21: Are the following statements about the definition of SDH co...; Question 22: Which of the following options are low-loss areas of single-...; Question 23: PWE3 is a Layer 2 service bearer technology that can simulat...; Question 24: In Huawei's T-SDN network architecture, () realizes central...; Question 25: Which of the following descriptions are correct? (Multiple c...; Question 26: Which of the following descriptions of MPLS are wrong? (Mult...; Question 27: For a (local) HA solution where the active and standby serve...; Question 28: From the formula: OTUk rate = 255/(39-k) × STM-N rate, we c...; Question 29: Sending test frames will affect normal business....; Question 30: When the low-level resources of the device are insufficient,...; Question 31: What are the advantages of ESC? (Multiple choice)...; Question 32: Which of the following modulation technologies is currently...; Question 33: Which of the following technologies is the main difference b...; Question 34: Fiber amplifiers can be divided into rare earth ion doped f...; Question 35: Which of the following descriptions about solving the system...; Question 36: Which of the following statements about OTM-nm and OTM-nr.m...; Question 37: Two beams of light that meet the coherence condition are ca...; Question 38: The frame structure of OTUk at each level is the same....; Question 39: Physical port: also known as MAC port, which is the externa...; Question 40: Which of the following is a VLAN classification method? (Mul...; Question 41: For ODUk SNCP protection, if the pass-through site is an el...; Question 42: Which of the following options are low-loss areas of single-...; Question 43: MS-AIS and MS-RDI belong to a group of warning information, ...; Question 44: Compared with PDH, the main advantages of SDH are reflected...; Question 45: Which of the following alarms will not trigger an AU-AIS ala...; Question 46: Which of the following elements does a data communication n...; Question 47: Which of the following is a functional unit that provides se...; Question 48: Which of the following descriptions about the PANEL panel o...; Question 49: Which unit is newly added in Liquid OTN?...; Question 50: What does the optical layer overhead include? (Multiple choi...; Question 51: Which of the following bytes in the regenerator section over...; Question 52: Which of the following factors determine that the optical s...; Question 53: The receiving end performs BIP-8 check on the received STM-...; Question 54: Which of the following logic function blocks is used to proc...; Question 55: Which of the following is not an advantage of WDM?...; Question 56: Which of the following are not passive optical devices? (Mul...; Question 57: Which of the following is the main advantage of SDH? (Multip...; Question 58: When using scripts to back up and restore the network confi...; Question 59: When 2M PDH signal is mapped into VC12, the mapping method ...; Question 60: Which of the following options are included in the alarm lev...; Question 61: Which of the following is correct about the difference betwe...; Question 62: U2000 client can be installed on Windows, Solaris and SUSE L...; Question 63: The difference between ASON network and ordinary network is ...; Question 64: RSOH, MSOH, HPOH and LPOH implement monitoring functions in...; Question 65: SDH signals must be scrambled before transmission over optic...; Question 66: From the following barcode 02846710HC000085 Y1 LPS-FRM800-P...; Question 67: Which of the following is the multiplexing method of SDH?...; Question 68: The speed of SF64 and SL64 boards are both STM-64. Therefore...; Question 69: OTM nr.m consists of a maximum of "n" optical multiplexed ch...; Question 70: 1000BaseSX uses single-mode optical fiber and light with a w...; Question 71: Which of the following correctly describes the order in whic...; Question 72: The single-fiber bidirectional wavelength division multiple...; Question 73: The information payload area stores only the information pa...; Question 74: MSTP (Multi-Service Transport Platform) is a multi-service ...; Question 75: Which of the following are the logical function modules inv...; Question 76: Which of the following reasons will not cause the network m...; Question 77: Which of the following are device-level protection solutions...; Question 78: Which of the following alarms will not generate correspondi...; Question 79: Which of the following options are the main characteristics...; Question 80: Which of the following are components of a WDM system that m...; Question 81: Nonlinear effects are closely related to optical power. To ...; Question 82: Which of the following statements about U2000 licenses is wr...; Question 83: The 1310nm and 1550nm transmission windows are low-loss win...; Question 84: 1:N linear multiplex section protection: when the working c...; Question 85: After configuring PDH services on a per-network element basi...; Question 86: In the SDH optical synchronous transmission system, which o...; Question 87: Which of the following networking types is optical line pro...; Question 88: Frame-Mapped GFP (GFP-F) is a processing mode for data encod...; Question 89: For Huawei equipment, NODE ID is the unique identifier of t...; Question 90: There are three types of multi-level connection monitoring ...; Question 91: Which of the following is the common point between the two-...; Question 92: Regarding the comparison between Raman amplifier and EDFA, ...; Question 93: Which of the following descriptions of OTM-nm and OTM-nr.m o...; Question 94: U2000 network management supports multiple external interfac...; Question 95: OTN has its own unique frame structure and rich overheads to...; Question 96: OLT is connected to the switch through () and uses the V5.2 ...; Question 97: The clock unit can only access the external clock source as...; Question 98: The subnet mask of 255.255.255.248, according to the calcul...; Question 99: In the Colored & Directed scenario of 4D ROADM, how man...; Question 100: In WDM systems, the reduction in optical signal-to-noise ra...; Question 101: Pointer adjustment is related to which of the following?...; Question 102: The last 256 columns in the OTN frame structure are the FEC ...; Question 103: Ethernet service OAM focuses on the maintenance of end-to-e...; Question 104: In actual wavelength division systems, systems with rates o...; Question 105: Which of the following methods are included in WDM networkin...; Question 106: MPLS label allocation is divided into static allocation and ...; Question 107: What kind of cascading method does the EoS board of OptiX OS...; Question 108: EPL services use ports and bandwidth exclusively, and differ...; Question 109: If a network port that supports auto-negotiation is connect...; Question 110: PWE3 is a processing mechanism that simulates the key attri...; Question 111: STM-N signals must be scrambled when transmitted on the line...; Question 112: Which of the following is not a northbound interface provide...; Question 113: Which new unit is added to Liquid OTN?...; Question 114: What is the first condition that a network needs to have in...; Question 115: Which of the following is not an advantage of Raman amplifie...; Question 116: OTN technology is developed based on SDH and WDM technology,...; Question 117: The rate represented by STM-1 is ()....; Question 118: The EDFA inside the THBIDAP board has the () function. When ...; Question 119: Which of the following statements is wrong?...; Question 120: Communication networks can be divided into local area netwo...; Question 121: Which of the following options does not belong to the applic...; Question 122: Which of the following is the switching point of linear mult...; Question 123: Compared with traditional SDH and SONET equipment, OTN has ...; Question 124: What client-side service signals does the TNG1T401 board sup...; Question 125: The primary and backup ports of the linear multiplexing seg...; Question 126: () is a parameter used to describe the reliability of the tr...; Question 127: Compared with traditional SDH and SONET equipment, which of...; Question 128: LCK insertion takes precedence over AIS insertion. That is,...; Question 129: Which of the following options belong to the functions in th...; Question 130: If a weak signal light and a strong pump light are transmit...; Question 131: U2000 can flexibly interconnect with different third-party n...; Question 132: EPL service uses the bandwidth on the line exclusively, whi...; Question 133: How many frames is the minimum interval between two adjacent...; Question 134: What is the frame structure of STM-16?...; Question 135: Compared with the dense wavelength division multiplexing sy...; Question 136: A bidirectional ring means that the routes for sending and ...; Question 137: NCE's software deployment method adopts B/S (Browser/Server)...; Question 138: The LOI low-level interface includes multiple logical functi...; Question 139: STM-64 has () AU pointer.; Question 140: The frame structure of TU3 is a bit incomplete, and the gap ...; Question 141: Which of the following values has the highest clock quality...; Question 142: In a wavelength division multiplexing system, when the numb...; Question 143: FAS is the frame alignment overhead with a length of 6 bytes...; Question 144: Consider an optical fiber as a "multi-lane" public road. Th...; Question 145: () is called optical transmission segment in Chinese, and (...; Question 146: A subnet can contain other subnets....; Question 147: If the virtual cascade group at one end of the equipment ha...; Question 148: VLAN domain can isolate unicast messages of different users...; Question 149: The most effective subnet mask in a point-to-point WAN link ...; Question 150: Two beams of light that meet the coherence condition are ca...; Question 151: Which of the following alarms will definitely trigger optica...; Question 152: The essence of OPSK modulation is to reduce the baud rate o...; Question 153: Which of the following descriptions of ODUK_PM_BDI is correc...; Question 154: The current sparse wavelength division multiplexing system ...; Question 155: Which of the following descriptions about the slot settings ...; Question 156: Compared with traditional WDM, which of the following optio...; Question 157: What principle of light is used when light propagates in opt...; Question 158: SES: There are 5% or more error blocks or at least one defe...; Question 159: Which of the following statements are correct regarding the ...; Question 160: Ethernet_II and IEEE802.3 frame types are distinguished by ...; Question 161: Which of the following descriptions about signal marker byt...; Question 162: Which of the following is protected by the channel protectio...; Question 163: In the Windows operating system, the U2000 program's own lo...; Question 164: For OSN3500, which of the following boards provides central...; Question 165: FOADM includes parallel FOADM and serial FOADM, both of whic...; Question 166: Which of the following is not an advantage of using QinQ tec...; Question 167: Which subtype of tributary SNCP protection requires no elec...; Question 168: Arrayed Guided Grating (AWG) multiplexer/demultiplexer has t...; Question 169: Manual configuration will clear the data on the NE side....; Question 170: Which of the following planes does the ASON network have mor...; Question 171: The 48 wave OTM site needs to be equipped with an OAU ampli...; Question 172: The value range of U-PTR is 0~782. When the receiving end re...; Question 173: Which of the following site types support business up and d...; Question 174: The management scope of O MSn is the path from the input op...; Question 175: In a wavelength division system, after a certain distance o...; Question 176: When BIP-8 in the OTUk segment monitoring overhead SM detect...; Question 177: The segment overhead of STM-16 is 9*8*16 bytes/frame....; Question 178: The segment overhead of STM-4 is 9+9+4 lines/frame....; Question 179: HUB is a multi-port repeater. When HUB is the central device...; Question 180: Which of the following service nodes can be connected via a...; Question 181: In the network management system, the network element perfo...; Question 182: MPLS is a label forwarding technology. Which of the followin...; Question 183: E1 has three modes: framing, multi-framing and unframing. Th...; Question 184: Which of the following is the adjustment unit of AU-PTR?...; Question 185: The optical amplifier unit can compensate for line loss and...; Question 186: By default, a B2-EXC alarm is reported when the number of B...; Question 187: Both PDH and SDH have globally unified standards....; Question 188: In the electric power dispatching system, dispatching data ...; Question 189: What functions does the SDH overhead byte perform? (Multiple...; Question 190: The nominal rate of the OTU4 signal is 111809973.568 kbits,...; Question 191: Which of the following statements about the MSP ring are cor...; Question 192: In the OTN mapping path, the ODUk signal can only be obtain...; Question 193: In case of SNCP, the line board selectively receives the se...; Question 194: How many 2M business work boards does OSN 7500 support at mo...; Question 195: Linear MSP (LMSP) has two modes: 1+1 and 1:1. Additional se...; Question 196: The two PIU/APIU boards of the OptiXtrans E6616 or E6608 (0...; Question 197: AAC address consists of 46 bits and is globally unique. Whic...; Question 198: Which of the following databases is used by U2000 on PC/WIN2...; Question 199: Which of the following are the basic functions of U2000? (Mu...; Question 200: Which of the following bytes can be used for wired calls bet...; Question 201: The technology of using a local oscillator laser of the sam...; Question 202: In the integrated DWDM system, the transmitting light sourc...; Question 203: Which of the following options does the 802.1Q tag header c...; Question 204: In terms of protection capability, which of the following t...; Question 205: Which type of board does TQM belong to?...; Question 206: User management can ensure the security of user information...; Question 207: The OTN electrical layer SM, PM, and TCMi overheads all con...; Question 208: U2000 provides physical view, Layer 2 view, RPR view, IP vie...; Question 209: On the two-fiber bidirectional multiplex section protection...; Question 210: When LCK is inserted into the local ODUk signal, which proc...; Question 211: OTUk_UAS is the unavailable seconds of the optical transmiss...; Question 212: TNG1M404DM board can realize the multiplexing of 4 100Gbit/s...; Question 213: Which of the following are the main features of the overall ...; Question 214: When 61.2M PDH signal is mapped into VC12, the mapping meth...; Question 215: Which of the following is the meaning of "L" in the optical...; Question 216: In a small network, the function of an OptiXtrans DC908 is ...; Question 217: Which of the following descriptions about the FIU board is ...; Question 218: The process from C4 to VC4 during the multiplexing process ...; Question 219: Which of the following descriptions about full-duplex Ethern...; Question 220: When the 80-wavelength OTM site uses M40V for wave combinin...; Question 221: MSTP supports dynamic allocation of bandwidth based on the a...; Question 222: Which of the following descriptions of ODUk_PM_BDI is correc...; Question 223: Which of the following media types has a transmission dista...; Question 224: After mapping and multiplexing, 4 ODU2 signals can be multi...; Question 225: When the sender detects that b6-b8 of the K2 byte is 110, i...; Question 226: SDH is a complete hierarchical structure of standardized dig...; Question 227: TM is a terminal multiplexer, and its functions are: the lin...; Question 228: The number of error blocks in each VC4 channel is detected ...; Question 229: Which of the following options is emitted from an ordinary ...; Question 230: Which of the following is not included in the basic architec...; Question 231: NGWDK adopts LO-L1+L2 triple-extension architecture, in whic...; Question 232: WDM multiplexes optical signals at multiple speeds (waveleng...; Question 233: TU-AIS is often encountered during network maintenance. Whic...; Question 234: Forced switching, fiber switching, manual switching and mot...; Question 235: For OTN interfaces without optical layer overhead, in order...; Question 236: The power SCADA business and communication interface of the...; Question 237: Which of the following does L refer to in the optical modul...; Question 238: When configuring LMSP, there are two switching modes: singl...; Question 239: If one device does not support auto-negotiation, but the ot...; Question 240: In the network interface of OTN, the network interface with...; Question 241: In a 3-7-3 multiplexing line, one VC-12 can transmit () 2.0...; Question 242: Which of the following protections requires the use of the ...; Question 243: The frame rate () and transmission rate of different levels...; Question 244: In OSN550, the CX slot contains a function board integratin...; Question 245: What are the main losses of optical fiber? (Multiple choice...; Question 246: The frame period of OTN signal is fixed and the same as the ...; Question 247: Which of the following alarms will not trigger an AU-AIS ala...; Question 248: Subnet division can reduce network traffic, improve network...; Question 249: The rate of STM-0 is 51.84Mbit/s; (STM-0 is used for digital...; Question 250: SL64 board can be used for OSN2500....; Question 251: The TTI in the segment monitoring overhead SM provides TIM ...; Question 252: By default, if the B2 bit error exceeds which of the follow...; Question 253: R-LOS alarm has nothing to do with overhead bytes but only w...; Question 254: TNV2E224 board does not support which of the following types...; Question 255: H4 is used to indicate the () and () of the payload....; Question 256: When the optical fiber is connected but the business is not...; Question 257: OPC is an optical layer platform board that needs to be used...; Question 258: The 1+1 protection mechanism on the customer side implement...; Question 259: The initial value of the Sequence number in the ETH PWE3 en...; Question 260: TU-AIS is often encountered during network maintenance. The ...; Question 261: In Ethernet, the frame length has a lower limit, which is m...; Question 262: In the system control unit, which of the following database...; Question 263: Number of signal bytes/frame rate of signal = ()...; Question 264: In addition to positioning, the pointer can also accommodat...; Question 265: From the perspective of single board implementation, what ar...; Question 266: Modulation is the process of processing the information of ...; Question 267: Which of the following statements about signal label byte C...; Question 268: The number of ODU2e signals multiplexed into the ODU3 signa...; Question 269: Under which of the following scenario combinations can the ...; Question 270: Which of the following local maintenance terminals can be us...; Question 271: OLA stations can also be monitored using ESC....; Question 272: In the case of 1+1 linear MSP, which of the following switc...; Question 273: Which of the following descriptions about ROADM are correct...; Question 274: The SDH optical interface only scrambles the electrical sign...; Question 275: Additional services cannot be configured on the protection ...; Question 276: The Ethernet board has an external port (Port) and an inter...; Question 277: Mapping is the process of adapting branch signals into () a...; Question 278: Which of the following bridges are used to forward data bas...; Question 279: IEEE802.3 standard is developed for which of the following t...; Question 280: MAC forwarding table: Which of the following items does it c...; Question 281: Which of the following is not a nonlinear effect?...; Question 282: Which of the following optical loss alarms will not cause s...; Question 283: Establish an Ethernet private line service between H (HQ) a...; Question 284: Which of the following maintenance signals is transmitted fr...; Question 285: When the rate of the SNCP ring composed of four OptiX OSN25...; Question 286: Which aspects of the fiber core have a decisive influence on...; Question 287: The refractive index of the core n1 () and the refractive i...; Question 288: Which of the following is the unit that converts non-standa...; Question 289: Which of the following is not one of the main characteristic...; Question 290: G.707 multiplexing line diagram can only multiplex 2M\34M\1...; Question 291: Which of the following layers of overhead belong to the elec...; Question 292: Two PD1 boards and one DMS board jointly implement the TPS ...; Question 293: Which of the following statements about overhead bytes is wr...; Question 294: Which of the following options are correct regarding 1:1 op...; Question 295: Among the maintenance signals at the ODUk level, which of t...; Question 296: What is the structure of STM-16?...; Question 297: Currently, the most commonly used signal is 2Mbit/s. Which ...; Question 298: What is the line code type of the commonly used SDH optical ...; Question 299: Which of the following ITLI-T recommendations define the OT...; Question 300: A local area network is a network formed by interconnecting...; Question 301: When the ACT indicator light of the SDH board is off, it me...; Question 302: Which of the following is the monitoring overhead used to m...; Question 303: SDB is a hierarchical structure of standardized digital sign...; Question 304: In a 25GMSP ring consisting of four MSTP sites, which of th...; Question 305: When the working channel of the optical line protection fai...; Question 306: How many management unit pointers are there in the STM-64 fr...; Question 307: When Severely Errored Seconds (SES) occur in the PM portion ...; Question 308: In Recommendation ITU-TG692, the allowed signal frequencies...; Question 309: Which of the following protocols in the OTN standard system ...; Question 310: Which of the following is the meaning of SFD in the Ethernet...; Question 311: GFP-F is a packet data (PDU) oriented processing mode. 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