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.
多选题
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.
参考解析
解析：
暂无解析
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
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.
Dense Wavelength Division Multiplexing (DWDM) is an important innovation in optical networks.Which two descriptions best define DWDM?() A. optical technology for transmitting up to 32 channels over multiple fiber strandsB. optical technology for transmitting up to 16 channels over multiple fiber strandsC. a WDM system that is compatible with EDFA technologyD. a technology for transmitting more closely packed optical signals using more sophisticated transceiver designs than CWDM .
You are the network consultant from passguide.com. You have been asked for which two features of optical networks allow data to be transmitted over extremely long distances? （）A、EncryptionB、Bandwidth limitsC、Minimal signal lossD、No EMI
Dense Wavelength Division Multiplexing (DWDM) is an important innovation in optical networks.Which two descriptions best define DWDM?（）A、optical technology for transmitting up to 32 channels over multiple fiber strandsB、optical technology for transmitting up to 16 channels over multiple fiber strandsC、a WDM system that is compatible with EDFA technologyD、a technology for transmitting more closely packed optical signals using more sophisticated transceiver designs than CWDM .
A large corporation is concerned about the amount of time it takes to back up their main file server. They are also concerned that their IT technician frequently forgets to change the backup tapes， thereby leaving the company open to data loss. Which backup system would solve both problems？（）A、 RAIDB、 tape libraryC、 optical storageD、 disk to disk to tape
Your network contains a server that runs Windows Server 2008 R2. You need to schedule backups of the server. The solution must ensure that multiple versions of the backup are available. Which two possible backup locations should you use？（）A、external hard diskB、internal hard diskC、optical mediaD、remote shared folder
Which statement is true about Kompella-based and Martina-based VPNs？（）A、Both use LDPB、Both use BGPC、Both require additional hardware.D、Both use a two-label stack for forwarding.
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
What two descriptions best define DWDM？ （）A、 a WDM system that is compatible with EDFA technologyB、 an optical technology for transmitting up to 16 channels over multiple fiber strandsC、 an optical technology for transmitting up to 32 channels over multiple fiber strandsD、 a technology for transmitting multiple optical signals using less sophisticated transceiver designthen CWDME、 a technology for transmitting more closely packed optical signals using more sophisticatedtransceiver designs than CWDM
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 two WAN interfaces does the Cisco SRP 520 Series support？ （）A、 passive optical network （PON）B、 serialC、 Fibre ChannelD、 Fast EthernetE、 ADSL2+
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)
Which of the following would a company implement to help reduce the cost of electricity？（）A、Shutdown/power policiesB、Redundant power suppliesC、Use optical miceD、Social engineering policy
A customer wants to install an IBM BladeCenter infrastructure but is concerned about the cost of the internal fibre switches. Consequently. the customer wants to use the Optical Pass-Thru Module （OPM）. What TRUE statement should be mentioned to the customer regarding the OPM？（）A、You can not put the Optical Pass-Thru Module in the same IBM BladeCenter chassis as a Cisco Intelligent Ethernet Switch.B、Using blade servers with the Optical Pass-Thru Module will require more fibre ports on the external fibre switch.C、The Optical Pass-Thru Module does not provide the customer with an opportunity to reuse their fibre switch.D、The blade servers do not work with the Optical Pass-Thru Module.
Which two statements are true about interoperating with Oracle AQ JMS with Oracle WebLogic server ？（）A、 If you select a non-XA JDBC driver， you can use WebLogic AQ JMS in both local global transactionsB、 Oracle WebLogic Server requires a JDBC driver to communicate with the Oracle AQ JMSC、 Oracle WebLogic AQ JMS stand-alone client automatically participate in global transactions managed by Oracle WebLogic ServerD、 If you select an XA JDBC driver， you can use WebLogic AQ JMS in both local and global transactions
Which two statements about Oracle Direct Network File System (NFS) are true?（）A、It bypasses the OS file system cache.B、A separate NFS interface is required for use across Linux, UNIX, and Windows platforms.C、It uses the operating system kernel NFS layer for user tasks and network communication modules.D、File systems need not be mounted by the kernel NFS system when being served through Direct NFS.E、Oracle Disk Manager can manage NFS on its own, without using the operating system kernel NFS driver.
单选题A large corporation is concerned about the amount of time it takes to back up their main file server. They are also concerned that their IT technician frequently forgets to change the backup tapes， thereby leaving the company open to data loss. Which backup system would solve both problems？（）A RAIDB tape libraryC optical storageD disk to disk to tape
多选题Which two statements about Oracle Direct Network File System (NFS) are true?（）AIt bypasses the OS file system cache.BA separate NFS interface is required for use across Linux, UNIX, and Windows platforms.CIt uses the operating system kernel NFS layer for user tasks and network communication modules.DFile systems need not be mounted by the kernel NFS system when being served through Direct NFS.EOracle Disk Manager can manage NFS on its own, without using the operating system kernel NFS driver.
多选题Which two statements are true about interoperating with Oracle AQ JMS with Oracle WebLogic server ？（）AIf you select a non-XA JDBC driver， you can use WebLogic AQ JMS in both local global transactionsBOracle WebLogic Server requires a JDBC driver to communicate with the Oracle AQ JMSCOracle WebLogic AQ JMS stand-alone client automatically participate in global transactions managed by Oracle WebLogic ServerDIf you select an XA JDBC driver， you can use WebLogic AQ JMS in both local and global transactions
多选题You are the network consultant from passguide.com. You have been asked for which two features of optical networks allow data to be transmitted over extremely long distances? （）AEncryptionBBandwidth limitsCMinimal signal lossDNo EMI
多选题Which two statemets are true？（）ADPT/RPR uses a bi-directional ring consisting of two symmetric counter rotating fibre rings.BDPT/RPR is defined in the IEEE 802.17 standard and it uses Token Bucket system to avoid collisions on the fiber.CIn DPT/RPR rings， data packets can be sent in one direction （downstream） and the corresponding control packets in the opposite direction （upstream），thus using both fibres concurrently to maximise bandwidth.DDPT/RPR can be deployed in the Core of the SP networks where point-to-point POS links are used tomake best use of the Bandwidth.
多选题What two descriptions best define DWDM？ （）Aa WDM system that is compatible with EDFA technologyBan optical technology for transmitting up to 16 channels over multiple fiber strandsCan optical technology for transmitting up to 32 channels over multiple fiber strandsDa technology for transmitting multiple optical signals using less sophisticated transceiver designthen CWDMEa technology for transmitting more closely packed optical signals using more sophisticatedtransceiver designs than CWDM
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.
多选题Which two WAN interfaces does the Cisco SRP 520 Series support？ （）Apassive optical network （PON）BserialCFibre ChannelDFast EthernetEADSL2+
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
多选题Dense Wavelength Division Multiplexing (DWDM) is an important innovation in optical networks.Which two descriptions best define DWDM?（）Aoptical technology for transmitting up to 32 channels over multiple fiber strandsBoptical technology for transmitting up to 16 channels over multiple fiber strandsCa WDM system that is compatible with EDFA technologyDa technology for transmitting more closely packed optical signals using more sophisticated transceiver designs than CWDM .
多选题Which two statements about the use of VLANs to segment a network are true? （）AVLANs increase the size of collision domains.BVLANs allow logical grouping of users by function.CVLANs simplify switch administration.DVLANs enhance network security.