单项选择题

What is high availability？（）

A. redundant infrastructure
B. clustering of computer systems
C. reduced MTBF
D. continuous operation of computing systems

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热门试题

单项选择题WhatisthepurposeofIGMPinamulticastimplementation？（）

A. it is not used in multicast
B. it determines the virtual address group for a multicast destination
C. it dynamically registers individual hosts in a multicast group on a specific LAN
D. it is used on WAN connections to determine the maximum bandwidth of a connection
E. it determines whether Bidirectional PIM or PIM sparse mode will be used for a multicast flow

单项选择题Whichcontentnetworkingdeviceallowsbandwidthconfigurationsettingssothatstreaming contentwillnotinterferewithothernetworktraffic？（）

A. IP/TV Control Server
B. Content Distribution Manager
C. Content Engine
D. IP/TV Broadcast Server

单项选择题WhichtechnologyallowscentralizedstorageservicestobesharedacrossdifferentVSANs？（）

A. IVR
B. FSPF
C. FICON
D. SANTap

多项选择题AsecurityanalysisatThePotomacCanalCompanyrecommendsinstallinganIDSapplianceandafirewallappliance.TheseappliancesshouldconnectdirectlyintoaLayer3switch.AloadbalancerandSSLterminationhavealsobeenrecommended.Potomac’smanagementhaveexpressedconcernoverthecost.Yousuggestusingintegratedblades.Whatisoneadvantageandonedisadvantageofyourdesignproposal？（）

A. The data center would need several devices to achieve its goal.
B. Increased usage of standalone devices is cost-effective.
C. Using integrated blades would only require two devices.
D. Putting all security devices in a single chassis provides a single point of failure.

单项选择题YouaretheCiscoNetworkDesignerinCisco.com.WhichlayerNASoperatingmodeareACLfilteringandbandwidththrottlingonlyprovidedduringpostureassessment？（）

A. Layer 2
B. Layer 3
C. Layer 4
D. out-of-band