Which of the following improves wireless performance by allowing only one wireless transmissionon the network at a time?（）A、CSMA/CAB、CSMA/CDC、Wireless encryptionD、Wireless bonding
Which of the following improves wireless performance by allowing only one wireless transmissionon the network at a time?（）
- A、CSMA/CA
- B、CSMA/CD
- C、Wireless encryption
- D、Wireless bonding
相关考题：
Which of the following improves wireless performance by allowing only one wireless transmissionon the network at a time?() A. CSMA/CAB. CSMA/CDC. Wireless encryptionD. Wireless bonding
Which of the following statements is NOT true about RMAN？（）A、It improves usability by enabling you to reuse the scripts to perform recovery operations.B、It detects block corruption while restoration and recovery operations.C、It enables you to perform block media recovery.D、It is capable to recover through unrecoverable operations， with only full database backups.
Which of the following is a performance optimization technology?（）A、QoSB、TrunkingC、SpanningD、VoIP
Which of the following utilities are used to choose which programs run at startup？ （）A、SFCB、SETDEBUGC、MSCONFIGD、REGEDIT
Which of the following commands will be run at a command prompt to determine which WindowsOS is running on the computer?（）A、VERB、Device ManagerC、VERIFYD、SET
Which the two are characteristics of the Service Locator pattern？（）A、 It encapsulates component lookup proceduresB、 It increases source code duplication and decreases reuseC、 It improves client performance by caching context and factory objectsD、 It degrades network performance due to increased access to distributed lookup services
Using a bitmap structure to manage database object space has several benefits over using freelist structures. Which three are benefits of managing space using automatic-segment-space managed objects？（）A、It readily responds to dynamic changes for concurrent access. B、It improves performance and space utilization in a multiple-instance environment. C、It requires fewer space related options then freelist managed structures. D、It improves performance for SYSTEM tablespaces where a high degree of concurrency is required.
You perform a backup using the following BACKUP command： RMAN BACKUP AS COMPRESSED BACKUPSET DATABASE； Which statement is true of this command？（） A、 A different procedure is required to restore a database from compressed backupsB、 The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.C、 Using this command to create backups minimizes the bandwidth consumedD、 Using this command to create backups improves the performance of the backup process
单选题Which of the following technologies can improve convergence time following a link failure in a serviceprovider network？（）AMPLS TE FRBMPLS VPNCBFDDRSVPEVPLSFSNMP
单选题Which of the following is an appropriate title for this passage?AResearchers Have Pointed Out the Disadvantages of Breast-feedingBResearchers Have Found Out the Shortcomings of FormulaCBreast-feeding Improves Chances of SuccessDBreast-feeding Benefits Both Mother and Baby
单选题Which of the following statements is NOT true about RMAN？（）AIt improves usability by enabling you to reuse the scripts to perform recovery operations.BIt detects block corruption while restoration and recovery operations.CIt enables you to perform block media recovery.DIt is capable to recover through unrecoverable operations， with only full database backups.
单选题You perform a backup using the following BACKUP command: RMAN BACKUP AS COMPRESSED BACKUPSET DATABASE; Which statement is true of this command?（）AA different procedure is required to restore a database from compressed backupsBThe AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.CUsing this command to create backups minimizes the bandwidth consumedDUsing this command to create backups improves the performance of the backup process
单选题In context, which of the following changes best improves sentence 6?Areplacing They with For instance, we are inclined toBreplacing that spirits with about spiritsCdeleting that live in woodDreplacing have to be with would have beenEreplacing or with but