单项选择题
The Cisco MDS 9000 Series Multilayer SAN Switches can help lower the total cost of ownership ofthe most demanding storage environments. By combining a robust and flexible hardwarearchitecture with multiple layers of network and storage-management intelligence， the Cisco MDS 9000 Series helps you build highly available， scalable storage networks with advanced securityand unified management. What method does the Cisco MDS 9000 Series use to support trunking？（）
A. ISL
B. VLAN Trunk
C. VoQ
D. Enhanced ISL
相关考题
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多项选择题
WhichtwoarecharacteristicsofRSVP？（）
A. RSVP itself provides bandwidth and delay guarantees.
B. For RSVP to be end-to-end， all devices must support RSVP.
C. RSVP reservations are maintained by a centralized reservations server.
D. An RSVP compatible QoS mechanism must be used to implement guarantees according to RSVP reservations. -
多项选择题
FibreChannel，orFC，isagigabit-speednetworktechnologyprimarilyusedforstoragenetworking.FibreChannelisstandardizedintheT11TechnicalCommitteeoftheInterNationalCommitteeforInformationTechnologyStandards（INCITS），anAmericanNationalStandardsInstitute（ANSI）Caccreditedstandardscommittee.WhichtwoofthesecorrectlydescribeFibreChannel？（）
A. supports multiple protocols
B. works only in a shared or loop environment
C. allows addressing for up to 4 million nodes
D. provides a high speed transport for SCSI payloads -
单项选择题
WhatisoneofthereasonsthatcustomQoSACLsarerecommendedoverautomaticQoSwhen configuringportsonaCatalyst6500forusewithIPphones？（）
A. 79xx IP phones do not automatically mark voice packets with non-zero DSCP values.
B. 79xx IP phones do not mark protocol packets such as DHCP， DNS， or TFTP with non-zero DSCP values.
C. 79xx IP phones do not mark voice packets with optimal DSCP values.
D. 79xx IP phones use a custom protocol to communicate CDP information to the switch.
