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Question 196/454

The WDM system mainly adopts the DCM compensation method for the compensation of the chromatic dispersion. In the following description about the DCM dispersion compensation, which one is wrong?

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Question List (454q)
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Question 2: When performing fiber synchronization, the network element d...
Question 3: In coherent systems and non-standard fiber entry scenarios, ...
Question 4: After the U2000 delivers configuration data to the NE, if th...
Question 5: Which of the following alarms can trigger the 1+1 protection...
Question 6: In any scenario, hard reset of the main control board will c...
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Question 8: When congestion occurs, queuing strategies can be varied. If...
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Question 14: Which of the following descriptions about ODUflex are correc...
Question 15: Direct modulation is also called EA modulation. It does not ...
Question 16: Which of the following description about single-station comm...
Question 17: The performance indicators of the OTN circuit board focus on...
Question 18: After configuring the PDH service on a per network element b...
Question 19: Which of the following boards can realize the broadcast func...
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Question 21: Items for daily equipment maintenance, excluding:...
Question 22: Which of the following descriptions about MPLS and PWE3 are ...
Question 23: Which of the following is the adjustment unit of AU-PTR?...
Question 24: Which of the following is the overall structure of the WDM s...
Question 25: When multiple alarms are reported, the priority principle of...
Question 26: Which port of the M40 is the output of the 3THz wavelength O...
Question 27: For a system without an optical amplifier, the upper thresho...
Question 28: Which of the following description of equipment operation is...
Question 29: Among the following boards, which boards support Ethernet L2...
Question 30: Establish an Ethernet private line service between H (HQ) an...
Question 31: In the fault handling scenario, the loopback method is one o...
Question 32: For OSN series equipment, when the standby board is normal, ...
Question 33: When the LCK is inserted at the Pl overhead of the ODUk at t...
Question 34: TEM28 is an Ethernet aggregation tributary board. Which of t...
Question 35: Which of the following descriptions about optical layer sche...
Question 36: Which of the following is the class B address 154.19.2.3 net...
Question 37: The rigid pipes that MS-OTN equipment can provide include? (...
Question 38: For coherent system commissioning, according to the optical ...
Question 39: For Huawei equipment, the NODE ID is the unique identifier o...
Question 40: The basic principle of fault location is to accurately locat...
Question 41: OOS overhead is non-associated overhead. Which of the follow...
Question 42: The input optical power of an OAU101 board in a network is -...
Question 43: The path at the GE level is essentially a path at the Client...
Question 44: WDM is a technology that simultaneously transmits () optical...
Question 45: When using the LCAS function. Which of the following overhea...
Question 46: What are the main functions of LAG? (Multiple choice)...
Question 47: Which of the following statements about basic LCAS functions...
Question 48: Which of the following options is the low-loss area of singl...
Question 49: Which of the following is the maximum service capacity on th...
Question 50: Which of the following is correct in describing the order in...
Question 51: The subnet mask of 255.255.255.248 is calculated according t...
Question 52: The UITL board belongs to the optical multiplexing and demul...
Question 53: Which of the following is the object protected by the channe...
Question 54: The technology of recovering amplitude, phase and polarizati...
Question 55: Which of the following descriptions about the AU pointer are...
Question 56: Which of the following description of the contents of the ca...
Question 57: Which of the following statements about the alarm reversal f...
Question 58: By summarizing the OTU1/2/3 frame rate, the calculation form...
Question 59: Before creating an optical cross-connect, it is necessary to...
Question 60: Which of the following is the monitoring overhead for monito...
Question 61: Which of the following is the basic requirement of the DWDM ...
Question 62: Which of the following descriptions about optical line prote...
Question 63: Which of the following descriptions about OSNR is wrong?...
Question 64: Which of the following reasons may cause bit errors in the b...
Question 65: If a network port that supports auto-negotiation is connecte...
Question 66: Which of the following descriptions about the business bound...
Question 67: Coherent reception uses a local oscillator laser of the same...
Question 68: Which of the following time periods is the information of th...
Question 69: Since the EALC/ALC function is used in the SOM system, the s...
Question 70: The reason for bit errors is mainly the () and () of the tra...
Question 71: When performing fiber synchronization, the network element d...
Question 72: Among the following boards, whether the protection is config...
Question 73: The unprotected chain consists of four network elements: NE1...
Question 74: In MRPS protection, when a fault occurs, the Raw label is sw...
Question 75: The OAU board at the 48-wave OTM site completes signal ampli...
Question 76: Which of the following items does the basic structure of a W...
Question 77: Pointer adjustment is related to which of the following?...
Question 78: The value range of AU-PTR is 0~782. Which of the following a...
Question 79: The basic principle of MSTP equipment fault location is? (Mu...
Question 80: Which of the following descriptions about TunnelAPS protecti...
Question 81: Which of the following elements does a data communication ne...
Question 82: Which of the following descriptions about the commissioning ...
Question 83: The cross-connect capacity of the NG SDH system is determine...
Question 84: What operation does the PROG indicator of the NG WDM device ...
Question 85: The four elements of the WDM network are () dispersion, () a...
Question 86: Both OTUCn and ODUCn can complete the functions of digital f...
Question 87: The ECC protocol uses the network element ID as the unique i...
Question 88: During the U2000 dual-system installation and commissioning,...
Question 89: When adjusting the optical power, the flatness is a very imp...
Question 90: When performing a 10-minute error-free test on a wavelength ...
Question 91: The frame structure of TU3 is a bit incomplete and needs to ...
Question 92: Which of the following data does not belong to the network l...
Question 93: Which of the following factors are considered that ASON supp...
Question 94: FXS and FXO are the names of ports used by analog telephone ...
Question 95: Which of the following local maintenance terminals can be us...
Question 96: When inserting LCK to the ODUk signal at the local end, what...
Question 97: OLA sites can also use ESC.
Question 98: Which of the following descriptions about the TMB1AST2 board...
Question 99: Which of the following are common networking methods in WDM ...
Question 100: SES: 5% or more errored blocks or at least one defect in one...
Question 101: Which of the following is correct about the processing of da...
Question 102: Which particles can the cross-connect board of the OSN 8800 ...
Question 103: Which of the following options are available for the subtype...
Question 104: Among the following options, which ones belong to MPLS-TP OA...
Question 105: Which of the following optical loss alarms will not cause se...
Question 106: Physical port: also known as MAC port. It is the external po...
Question 107: When using OSN8800 T32, if you need to set the ID numbers of...
Question 108: NG WDM adopts L0+L1+L2 three-layer structure. Among them, th...
Question 109: After the GE service enters the client side of the Ethernet ...
Question 110: OTUk_ENC indicates that the OTUk bit error exceeds the thres...
Question 111: When R_LOS, RLOF, R_OOF, MUT_LOS and other alarms appear on ...
Question 112: In the Colorless scenario, use the M40V/D40 board for adding...
Question 113: According to the G.709 protocol, how many ODU2e signals can ...
Question 114: Which of the following are the configuration modes of the ne...
Question 115: In the OTN electrical layer structure, which one is correct ...
Question 116: Which of the following situations can cause the board to rei...
Question 117: Reasons which is impossible for OTN equipment and network el...
Question 118: The characteristic test of NS4 single board includes? (Multi...
Question 119: Which of the following levels does the U2000 network managem...
Question 120: It is not recommended to configure the EPLAN service as a ri...
Question 121: How many 64K services can a 2M bandwidth support at most?...
Question 122: The technology of using local oscillator lasers of the same ...
Question 123: In the same ASON network, which of the following parameters ...
Question 124: Which of the following are the common test indicators for Et...
Question 125: Which of the following statements is correct about the alarm...
Question 126: While amplifying business signals, EDFA will also bring nois...
Question 127: Which of the following descriptions about the PWE3 network r...
Question 128: Which of the following are the traditional methods of multip...
Question 129: Both the SC2 and ST2 boards support the processing and trans...
Question 130: The DWDM system has extremely high requirements on the stabi...
Question 131: According to the description in the blank, select the correc...
Question 132: Milliwatts (m) and () (dBm) are two commonly used optical po...
Question 133: When testing the overload point and sensitivity of the IN po...
Question 134: NG WDM devices only support the global label space, and the ...
Question 135: SDH signals must be scrambled before being transmitted over ...
Question 136: There are two transmission modes in the WDM system, respecti...
Question 137: In a WDM network, if both the bidirectional OA and OSC repor...
Question 138: Which of the following is not an optical layer single board ...
Question 139: Which of the following services has the smallest frame perio...
Question 140: Ring multiplex section protection utilizes K1 and K2 bytes t...
Question 141: OSN 7500 supports a maximum of 2M service boards. Which of t...
Question 142: Regarding the system architecture of NG WDM products, which ...
Question 143: In the troubleshooting scenario, maintenance personnel need ...
Question 144: For an amplifier, the smaller its noise figure (NF) value, t...
Question 145: What are the causes of discrete services? (Multiple choice)...
Question 146: What are the options for the logical function modules involv...
Question 147: Compared with PDH, the main advantages of SDH are reflected ...
Question 148: Which of the following statements about extended ECC is wron...
Question 149: Which of the following description of discrete services are ...
Question 150: The scope of management of OMSn is the path from the input o...
Question 151: E&amp;M signals define a connection type between a relay dev...
Question 152: The dispersion coefficient is the time delay difference caus...
Question 153: Which of the following options are included in the half-year...
Question 154: Which of the following descriptions about commissioning of n...
Question 155: In the extended SSM ring network dual BITS clock protection ...
Question 156: SDH can transmit any rate signal in the SDH system after bei...
Question 157: OCI stands for Open Connection Indication. The signal sent d...
Question 158: What parameter does the ECC protocol use as the unique ident...
Question 159: If the LED on the SCC board of the OSN 8800 T32 displays a v...
Question 160: The nominal rate of the OTU4 signal is 111 809 973.568 kbit/...
Question 161: Regarding the bit error test of the entire network during co...
Question 162: What are the following steps for low-speed services to be mu...
Question 163: Like STP equipment, NG WDM equipment can practice network el...
Question 164: Which of the following is not included in the basic architec...
Question 165: Regarding the following three types of ODUk SNCP protection,...
Question 166: In the SDH optical synchronous transmission system. Which of...
Question 167: When using the dual slot line group MSP ring, which of the f...
Question 168: The overall procedure for commissioning optical power of a s...
Question 169: ESC is mainly divided into which of the following from the p...
Question 170: Which of the following statements about pointer adjustment i...
Question 171: Which of the following descriptions about the PANEL panel on...
Question 172: If you only need to use LAG for port-level protection, confi...
Question 173: Which of the following descriptions about ROADM is correct? ...
Question 174: SF is a signal failure event and SD is a signal degradation ...
Question 175: The TOA board is an 8-way arbitrary rate service tributary p...
Question 176: When static aggregation adds or deletes member ports, the LA...
Question 177: Which of the following is the database used by U2000 on PC/W...
Question 178: If the SNCP services with the same source-sink or route are ...
Question 179: The ODUK serial connection monitoring overhead (TCM) of OTN ...
Question 180: When setting the monitoring time of network element performa...
Question 181: On the network management system, the network element perfor...
Question 182: For OSN series equipment, what alarm will be reported when o...
Question 183: MPLS-TP is a subset of MPLS, which removes the connectionles...
Question 184: Corresponds to the ISO seven-layer model. Ethernet correspon...
Question 185: Which of the following alarm/event dump modes does U2000 sup...
Question 186: Which of the following clock operating modes supports the IT...
Question 187: The loss of optical fiber mainly includes which of the follo...
Question 188: In order to meet the specified synchronization quality requi...
Question 189: When the value of the S1 byte is Ox02, it means ()....
Question 190: When configuring the basic properties of the Ethernet interf...
Question 191: Which of the following layer overheads belongs to the electr...
Question 192: The pointer is used for alignment. Indicates the starting po...
Question 193: In the WDM transmission system, the main factors affecting t...
Question 194: The following three optical layer protections have different...
Question 195: The alarm detection of the optical layer overhead is realize...
Question 196: The WDM system mainly adopts the DCM compensation method for...
Question 197: What are the functions completed by the SDH overhead bytes? ...
Question 198: For hybrid transmission systems, the principle of coherent c...
Question 199: Which of the following options are commonly used instruments...
Question 200: It is known that the difference threshold of the main channe...
Question 201: By using the out-of-band FEC technology, the optical signal-...
Question 202: Which of the following are the main application scenarios fo...
Question 203: Which of the following is the maximum number of OSN3500 subr...
Question 204: The VLAN domain can isolate the unicast packets of different...
Question 205: When forwarding packets based on MPLS labels, what actions m...
Question 206: OptiX NG SDH equipment supports -48V and -60V two kinds of p...
Question 207: When the receivable TTI and the actual receipt TTI of the PM...
Question 208: OChr means use of electrical monitoring techniques...
Question 209: The frame alignment signal is used for signal frame alignmen...
Question 210: The ODUk SNCP protection cannot be switched automatically. W...
Question 211: The collection and storage of on-site data includes regular ...
Question 212: Which of the following options matches the meaning expressed...
Question 213: The lower the noise figure creep value of the amplifier, the...
Question 214: Which of the following is the frame structure of STM-16?...
Question 215: Which of the following description about the path method to ...
Question 216: () multiplex ODU2e to one ODU3, () multiplex ODU2 to one ODU...
Question 217: Please put the correct answer into the corresponding number ...
Question 218: The core device of ROADM is the wavelength selective switch ...
Question 219: ODUk SNCP protection subtypes include (), () and ()....
Question 220: During the commissioning process, it is necessary to ensure ...
Question 221: Which of the following bytes in the regenerator section over...
Question 222: Which of the following residual dispersion values are within...
Question 223: Which of the following description about Flexible ROADM is w...
Question 224: The U2000 network management system supports multiple extern...
Question 225: CC is used to detect the unidirectional connectivity between...
Question 226: Which of the following network element users belong to the d...
Question 227: Which of the following descriptions about equipment heat dis...
Question 228: MPLS is not a service or application. It is actually a tunne...
Question 229: In a typical chain-type NG WDM network (such as A→B→C, A, ...
Question 230: Which of the following descriptions about the signal flow at...
Question 231: Which of the following protections in microwave equipment do...
Question 232: 64K SNCP protection is used to protect 64K services. Which o...
Question 233: Which of the following options are available for the data du...
Question 234: The instrument test method is generally used to eliminate ex...
Question 235: The number of network elements (including REG) in the two-fi...
Question 236: LAG can only be configured in non-load sharing mode...
Question 237: Optical fiber and LEAP optical fiber systems, 1006 and 106 m...
Question 238: For a typical fixed WDM system, the channel spacing is N*5Og...
Question 239: The frame frequency () of different levels of STM level, the...
Question 240: The main difference between an open DWDM system and an integ...
Question 241: Which of the following will cause a BEFFEC_EXC alarm to be r...
Question 242: () and () are two important performance indicators of the SD...
Question 243: The TNG1M404DM single board is a wavelength conversion board...
Question 244: During equipment installation, the Optix OSN 9800 U32 standa...
Question 245: Which of the following bytes is the negative adjustment posi...
Question 246: Which of the following belongs to the optical layer part of ...
Question 247: The LER in the MPLS network is a kind of LSR located at the ...
Question 248: If the network element ID is modified, the communication bet...
Question 249: Which of the following descriptions about the EX40 board is ...
Question 250: Which of the following ROADW boards contains the core compon...
Question 251: Which of the following is the main advantage of SDH? (Multip...
Question 252: Which of the following descriptions about optical line prote...
Question 253: A VC-4 can transmit () VC-12, that is () 2.048 Mbit/s signal...
Question 254: MAC forwarding table: contains which of the following items?...
Question 255: The so-called full duplex means that data can be sent and re...
Question 256: Which of the following description about QPSK modulation tec...
Question 257: When deleting a discrete service, deactivate it first, and c...
Question 258: When the OTUK_DEG alarm is detected at the local end, which ...
Question 259: Which of the following measures can be taken when the low-le...
Question 260: The DH function can be used to count the delay and jitter of...
Question 261: The manual reset at the equipment site is hard reset....
Question 262: Which of the following statements about MST functional modul...
Question 263: When the 2M PDH signal is mapped into VC12, the mapping meth...
Question 264: In the troubleshooting scenario, which of the following desc...
Question 265: The special fiber input power (high power) is higher than th...
Question 266: The OOS overhead is the optical layer overhead. Which of the...
Question 267: Which of the following are the working modes of the SDH netw...
Question 268: When the OSN 8800 T32 cabinet emits an alarm beep, which of ...
Question 269: Which of the following overhead bytes in VC4 high-order path...
Question 270: Which of the following description about using the synchrono...
Question 271: The essence of QPSK modulation is to select 4 possible value...
Question 272: In the path search process of the U2000 network management, ...
Question 273: The clock ID can solve the possible timing loop problem. In ...
Question 274: Which of the following functions does EX40 increase compared...
Question 275: In the G.652 and LEAF optical fiber system, isolation bands ...
Question 276: Which of the following are necessary prerequisites for creat...
Question 277: Which of the following descriptions about the function of th...
Question 278: In a 40-wave system, using a DAP (TN150AC106) amplifier, the...
Question 279: STM-N signals are transmitted on the line through scrambling...
Question 280: The optical monitoring channel is set up for the monitoring ...
Question 281: Which of the following is not included in the general encaps...
Question 282: Which of the following reasons will not cause the network ma...
Question 283: The optical and electronic racks of the OSN 9800 equipment c...
Question 284: When using the path method to create OCh, which of the follo...
Question 285: The smaller the grounding resistance value of the equipment,...
Question 286: Which of the following alarms will be reported by the NMS wh...
Question 287: In the WDM system, troubleshooting generally follows the pri...
Question 288: SDH&amp;PDH tester is mainly used to test OTU's jitter, bit ...
Question 289: The ODUk serial monitoring overhead supports multiple mainte...
Question 290: When the GE service is encapsulated into the OTN frame struc...
Question 291: Regarding the reporting of the OTUk_BDI alarm, which of the ...
Question 292: Which of the following methods to avoid discrete paths is co...
Question 293: ITU-T stipulates, what is the switching gain requirement of ...
Question 294: Which of the following descriptions about the delay of store...
Question 295: The NHLFE next-hop label forwarding entry contains the next-...
Question 296: Which of the following descriptions about the business packa...
Question 297: () is the core equipment of the access network, and is the a...
Question 298: In the early stage of the project, the commissioning of the ...
Question 299: In the WDM network design, as long as enough EDFAs are casca...
Question 300: The resources between single-board optical cross-connect con...
Question 301: The receiving sensitivity of a certain optical monitoring bo...
Question 302: Which of the following is a functional unit. It provides the...
Question 303: Which of the following options conform to the principles of ...
Question 304: Which of the following descriptions about the UXCL board and...
Question 305: OSN 3500 branch service has strong up and down capabilities:...
Question 306: Which of the following types of E-Line services are supporte...
Question 307: The OLT is connected to the switch through (), using the V5....
Question 308: Which of the following performances do not need to be evalua...
Question 309: WDM system fault location follows the principle of first loc...
Question 310: The optical monitoring board cannot receive the optical moni...
Question 311: Which of the following is the overhead for bit error detecti...
Question 312: The number of E1 frames that can be encapsulated in a CESoPS...
Question 313: In an 80-wave system, using the TMB1DAP (TM150AC106) amplifi...
Question 314: If a ROADM site adopts WSS+RMU configuration, which of the f...
Question 315: When the BIP-8 in the OTUk section monitoring overhead SM de...
Question 316: When the optical cable is laid by traction, the main tractio...
Question 317: OTUk_DEG indicates that the OTUk signal is degraded. Which o...
Question 318: Inter-board crossover mainly includes two application scenar...
Question 319: AC is the WDM OTM site, and B is the relay site. When the op...
Question 320: Which of the following commissioning ranges should the optic...
Question 321: In daily maintenance scenarios, reset is one of the common o...
Question 322: After enabling TCM monitoring, when the upstream station det...
Question 323: During the maintenance of OSN equipment, it is often seen th...
Question 324: In which ITU-T recommendation is the OTN frame structure def...
Question 325: Which of the following descriptions of the ASDN software str...
Question 326: The main optical path monitoring is based on the OMS segment...
Question 327: Which of the following descriptions about the MPLS architect...
Question 328: Which of the following descriptions about commissioning of s...
Question 329: In the Windows operating system, the log files of the U2000 ...
Question 330: How many VC12 virtual TE links are supported by the same phy...
Question 331: FOADM includes parallel FOADM and serial FOADM, both of whic...
Question 332: Which options are wrong in the following description about t...
Question 333: The optical fiber is composed of which of the following part...
Question 334: The () function of the 0A module of the EMR8 single board ma...
Question 335: The NG WDM electrical layer service board supports compatibi...
Question 336: Regarding the description of OSS, which is wrong?...
Question 337: What items does the network reference model of PWE3 include?...
Question 338: In the Windows operating system, the log files of the U2000 ...
Question 339: In the 80-wave 6.653 system, if the system capacity requirem...
Question 340: Which of the following descriptions about the DM12 board is ...
Question 341: The value of the MFAS byte increases with the sequence numbe...
Question 342: When the main control board is single-configured, which step...
Question 343: Which of the following description of Tunnel APS protectioni...
Question 344: The fully standardized optical transport unit OTUK is an OTU...
Question 345: Which of the following statements about PW APS 1:1 protectio...
Question 346: MPLS APS is a network protection mechanism, which implements...
Question 347: The trigger condition for automatic protection switching of ...
Question 348: For the SSM protocol, which of the following statements are ...
Question 349: Which of the following are the basic functions of U2000? (Mu...
Question 350: Which of the following descriptions about PM_BIP8-related al...
Question 351: Which one of the following networking forms that support add...
Question 352: The inter-board crossover refers to the cross-connection con...
Question 353: Which of the following is not an advantage of using QinQ tec...
Question 354: Which of the following operations will directly or indirectl...
Question 355: Which of the following descriptions about the TNG2M402D boar...
Question 356: Some SNCP protection switching conditions are default. For e...
Question 357: Which of the following belongs to the client-side logical po...
Question 358: In the WDM system, if the TTI to be sent by the SM layer is ...
Question 359: The two PIU/APIU boards of the OSN 1800 equipment use hot ba...
Question 360: When the cross-connect board is configured with 1+1 hot back...
Question 361: MC_ LAG can only be configured in non-load sharing mode....
Question 362: PWE3 is a processing mechanism that simulates the key attrib...
Question 363: The optical amplification unit can make up for the line loss...
Question 364: Which of the following parts does the general encapsulation ...
Question 365: The super 100G OTN signal contains various electrical layer ...
Question 366: Which of the following factors determine that the optical si...
Question 367: The last 256 columns in the OTN frame structure are the FEC ...
Question 368: At an OLA site, the maximum output optical power of the OAU ...
Question 369: Which of the following is the difference between AU pointer ...
Question 370: Which of the following fault handling methods that can be us...
Question 371: Which of the following descriptions about the TNF6TTA board ...
Question 372: What is the connection port between BTS and transmission in ...
Question 373: It mainly completes the point-to-point voice communication b...
Question 374: which of the following description about LAG (Link Aggregati...
Question 375: In the electrical layer overhead processing-sink function, w...
Question 376: Which of the following descriptions about oTN optical layer ...
Question 377: Regarding the warning AU-AIS, which one of the following sta...
Question 378: The video system and transmission connection port in the bas...
Question 379: Which of the following statements are correct? (Multiple cho...
Question 380: Which of the following is the common point between the two-f...
Question 381: If the cumulative amount of dispersion exceeds the system's ...
Question 382: In the electrical layer application scenario of end-to-end t...
Question 383: Which of the following descriptions about optical combining ...
Question 384: The TAG attribute cannot be set for the internal port VCTRUN...
Question 385: Once a nonlinear effect occurs, its impact on service signal...
Question 386: OptiXtrans DC908 can predict faults based on trends and vola...
Question 387: Which of the following descriptions about commissioning of f...
Question 388: Both the Ping function and the Traceroute function detect th...
Question 389: In the OSN 1800, the LOA single board can implement the Laye...
Question 390: Which of the following description of replacing the main con...
Question 391: Which of the following descriptions about the technical char...
Question 392: In actual WDM systems, systems with a rate of 10G and below ...
Question 393: APAUSE frames using reserved multicast addresses are not for...
Question 394: Which of the following descriptions about circuit boards is ...
Question 395: When configuring 1+1 optical line protection, you can choose...
Question 396: Which of the following boards can be inserted into the OSN 9...
Question 397: For the hybrid transmission system with dispersion compensat...
Question 398: Which of the following is a functional unit that provides a ...
Question 399: By resetting a single board, restarting a single station, re...
Question 400: Mandatory switching. Fiber switching manual switching and mo...
Question 401: Which of the following statements about MSP rings are true? ...
Question 402: Which of the following descriptions about the OTU board is c...
Question 403: NG WDM system fault analysis methods include signal flow ana...
Question 404: Which of the following methods are included in the networkin...
Question 405: OTM-nr.m consists of multiplexing of up to n optical channel...
Question 406: For OSN6800 equipment, which of the following slots does not...
Question 407: MPLS label consists of which of the following parts? (Multip...
Question 408: The only functional difference between OPSA and OPSB is that...
Question 409: Common fault location methods include which of the following...
Question 410: The user-oriented interface and transmission network-oriente...
Question 411: The strength of the nonlinear effect of optical fiber is rel...
Question 412: Among OTN network interfaces, the internal network interface...
Question 413: Which of the following difference between a wide area networ...
Question 414: The SL64 board is available for the OSN2500....
Question 415: For a point-to-point network, set the TIM mode on the networ...
Question 416: Which of the following descriptions about business boundary ...
Question 417: The standard Ethernet frame length should not be less than 6...
Question 418: Which of the following is the effect of changing the network...
Question 419: Which of the following statements are true about the EFS4 ci...
Question 420: Among the working modes provided by the line fiber quality m...
Question 421: When creating a single-site optical crossover, an error mess...
Question 422: The transmission plane mainly completes functions such as op...
Question 423: Which of the following overheads is not ODUk overhead?...
Question 424: OTU_LOM is an alarm generated due to the out-of-multiframe (...
Question 425: Bit errors may occur if the received optical power is close ...
Question 426: The use of QPSK modulation can reduce OSNR requirements and ...
Question 427: In the troubleshooting scenario, in order to detect and loca...
Question 428: In the DWDM system, which of the following options are the m...
Question 429: Which of the following is not a function of RSVP-TE?...
Question 430: Which of the following descriptions about the function of MP...
Question 431: The network must have protection capabilities. Which one is ...
Question 432: The network element defaults to automatic expansion of ECC c...
Question 433: What principle of light is used for the propagation of light...
Question 434: The OptiX NG WDM device only supports the global label contr...
Question 435: The NG WDM two-dimensional ROADM site can use the WSMD9 sing...
Question 436: There is a slot mapping relationship between the OSN3500 pro...
Question 437: Which of the following reports will be reported when the fib...
Question 438: Which of the following description about 1+1 optical line pr...
Question 439: Which of the following statements is correct?...
Question 440: When the PW bears Ethernet services, two layers of labels ar...
Question 441: Which of the following is the networking method of parallel ...
Question 442: Incoherent systems need to physically compensate DCK to solv...
Question 443: Gain is an important index of fiber amplifier, and its unit ...
Question 444: Which of the following statements about clock sources is wro...
Question 445: When the input optical power of the amplifier of the OAU at ...
Question 446: For nonlinear effect FWM, which of the following processing ...
Question 447: The last 256 columns of the OTN frame structure are FEC area...
Question 448: Which of the following descriptions about the TMB1AST2 board...
Question 449: When light passes through a passive optical device, it will ...
Question 450: Which of the following are not part of the ASON control prot...
Question 451: NEA and NEB are adjacent NEs. Which of the following perform...
Question 452: Compared with the SDH system, the WDM system improves the ut...
Question 453: The SDH network will not change the structure and rate of th...
Question 454: MSTP adds () and () interfaces and corresponding signal proc...