单项选择题
Due to limitations affecting voice quality, which of the broadband speeds shown is preferred in order to achieve highest voice quality on a converged data and voice teleworker connection?（）
A.DSL with 128k uplink /128k downlink
B.cable with 256k uplink /256k downlink
C.DSL with 128k uplink /768k downlink
D.cable with 256k uplink /1.4M downlink
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相关考题
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单项选择题
You are creating a recovery catalog for use with RMAN. You have issued these commands： SQL> CREATE TABLESPACE rman_ts DATAFILE ’/DISK1/rman_ts01.dbf’ 2> SIZE 20M 3> DEFAULT STORAGE （initial 100K next 100K pctincrease 0）； SQL> CREATE USER rman_db01 IDENTIFIED BY rman_db01 2> DEFAULT TABLESPACE rman_ts 3> QUOTA unlimited ON rman_ts； Which command should you issue next？（）
A.RESYNC CATALOG；
B.REGISTER DATABASE；
C.CREATE CATALOG TABLESPACE rman_ts；
D.GRANT recovery_catalog_owner TO rman_db01； -
单项选择题
Inadditiontowritinginformationtoatracefile,theCiscoCRSSystemsendsstandardeventloggingmessagestoasyslogserverthroughwhichservice?（）
A.SNMP Trap
B.Alarm
C.CDP
D.Win32 -
单项选择题
WhyisanSTM-12F-MS-SPRingNOTfeasible？（）
A. An equal amount of working and protect bandwidth is required.
B. DCC bandwidth is not large enough to handle K1/K2 processing.
C. Switch times would exceed 50 ms for an STM-1 MS-SPRing ring.
D. There is not enough bandwidth in an STM-1 ring to justify MS-SPRing protection.
