ODN（Optical distribution network）是光分配网，由（）、（）、支线光缆等组成的点对多点的光分配网络。
ODN（Optical distribution network）是光分配网，由（）、（）、支线光缆等组成的点对多点的光分配网络。
相关考题：
无源光网络由哪些部分构成?() A.OLT（Optical Line Terminal）－光线路终端B.ONU（Optical NetworkUnit）－光网络单元C.ONT（Optical Network Terminal）－光网络终端D.ODN（Optical Distribution Network）－光分配网
Today, several advances in computer network technology are helping companies to extend the use of computers to the procurement, production and distribution processes.
Which of the following is the EASIEST way to centrally deploy software?() A. Network shareB. PXEC. USBD. Optical media
Scrambling of SONET signals is done to (). A. prevent the leakage of external fiber emissionsB. provide the optical network with the highest level of security possibleC. assure an even distribution of 1‘s and 0‘s for extended transmitter lifeD. assure an adequate number of transitions for clock recovery at the receiverE. prevent the receiver from assuming AIS inadvertently when all 0‘s are received
在通信专业中，PON的英文全称是（ ），衰减英文通常翻译为（ ） 。A．Private Optical Network B．Passive Optical Network C．Private Optical Node D．Protected Optical Node A．attenuation B．loss C．fading D．decline
PON（Passive Optical Network无源光网络）是指ODN（Optical Distribution Network光配线网）中不含有任何电子器件及电子电源，ODN全部由光分路器（Splitter）等无源器件组成，不需要贵重的有源电子设备。
Scrambling of SONET signals is done to （）.A、prevent the leakage of external fiber emissionsB、provide the optical network with the highest level of security possibleC、assure an even distribution of 1's and 0's for extended transmitter lifeD、assure an adequate number of transitions for clock recovery at the receiverE、prevent the receiver from assuming AIS inadvertently when all 0's are received
Which two statements are true about optical networks?（）A、SONET and SDH both use time-division multiplexing.B、An optical transport network system uses time-division multiplexing.C、SONET and SDH both use wavelength-division multiplexing.D、An optical transport network system uses wavelength-division multiplexing.
Which of the following storage technologies connects by TCP/IP and can slow down network traffic？（）A、SANB、Optical jukeboxC、NASD、Tape library
无源光网络由（）组成。A、局侧的OLT（光线路终端）B、用户侧的ONU（光网络单元）C、ODN（光分配网络）D、POS（Passive Optical Splitter，无源光分路器/耦合器）
Which of the following is the EASIEST way to centrally deploy software?（）A、Network shareB、PXEC、USBD、Optical media
无源光网络由哪些部分构成？（）A、OLT（Optical Line Terminal）－光线路终端B、ONU（Optical NetworkUnit）－光网络单元C、ONT（Optical Network Terminal）－光网络终端D、ODN（Optical Distribution Network）－光分配网
Which network technology addresses these customer business needs: shrinking budgets and IT staffs, more complex networks, and an increased need for network security?（）A、Optical networkB、Storage-area network (SAN)C、Content delivery network (CDN)D、Network management
Which network technology addresses these customer business needs: shrinking budgets and IT staffs, more complex networks, and an increased need for network security?（）A、Optical networkB、Network managementC、Storage-area network (SAN)D、Content delivery network (CDN)
You work as a network Exchange administrator at Company.com.The Company.com network currently consists of a single Active Directory forest containing a single domain named Company.com.The Company.com organization makes use of Microsoft Exchange Server 2010 as their messaging solution.Company.com has recently created a distribution group for the network users.During the course of the business week you receive instruction from Company.com to ensure that the newly added users are able to add their mailboxes to the distribution group.What should you do？（）A、You should consider having the security settings of the distribution group modified.B、You should consider having the authentication settings of the ECP virtual directory modified.C、You should consider having the group scope of the distribution group modified.D、You should consider having the approval mode of the distribution group modified.
SONET全称为（）A、synchronous optimized networkB、synchronous optical networkC、synthesis optimized networkD、synthesis optical network
单选题During testing of network redundancy in a fully meshed enterprise campus， a problem has been reported. Both distribution multilayer switches are fully configured for redundancy； clients operate normally when the primary multilayer distribution switch is operating. All clients drop connections outside of their respective access layer group when the primary distribution switch is shut down and the secondary distribution switch is still operational. Additional information indicates that the secondary distribution switch is able to ping major corporate and Internet locations. Which item would be the best point of troubleshooting for this connectivity issue？ （）Aclient network configurationBVLAN mappingCinter-switch trunk configurationDUDLD configurationEfirst-hop redundancy protocol
单选题Which content network component is primarily used to store and deliver content from the network edge?（）AContent routerBContent switchCContent Distribution Manager (CDM)DContent engine
多选题Which two WAN interfaces does the Cisco SRP 520 Series support？ （）Apassive optical network （PON）BserialCFibre ChannelDFast EthernetEADSL2+
单选题Scrambling of SONET signals is done to （）.Aprevent the leakage of external fiber emissionsBprovide the optical network with the highest level of security possibleCassure an even distribution of 1's and 0's for extended transmitter lifeDassure an adequate number of transitions for clock recovery at the receiverEprevent the receiver from assuming AIS inadvertently when all 0's are received
多选题Which two statements are true about optical networks?（）ASONET and SDH both use time-division multiplexing.BAn optical transport network system uses time-division multiplexing.CSONET and SDH both use wavelength-division multiplexing.DAn optical transport network system uses wavelength-division multiplexing.
单选题Which content network component maintains original source content and publishes content to the network edge?（）AContent switchBContent routerCContent engineDContent Distribution Manager (CDM)
多选题无源光网络由哪些部分构成？（）AOLT（Optical Line Terminal）－光线路终端BONU（Optical NetworkUnit）－光网络单元CONT（Optical Network Terminal）－光网络终端DODN（Optical Distribution Network）－光分配网