Lafeyette Productions is looking for a new ISP that has improved availability，load balancing，and catastrophe protection. Which type of ISP connectivity solution would be best？（）

单项选择题WhichofthefollowingistheprimaryconsiderationtoscaleVPNs？（）

A. packets per second
B. number of remote sites
C. throughput bandwidth
D. number of tunnels

多项选择题WhatfourfunctionsdoesWebCacheCommunicationProtocol（WCCP）incorporate？（）

A. load balancing
B. scalability
C. remote management
D. fault tolerance
E. service assurance

单项选择题Avirtualstorageareanetwork（VSAN）isacollectionofportsfromasetofconnectedFibreChannelswitches，thatformavirtualfabric.Whichtechnologyallowscentralizedstorageservices tobesharedacrossdifferentVSANs？（）

A. IVR
B. FSPF
C. FICON
D. SANTap

单项选择题YouaretheCiscoNetworkDesignerinCisco.com.WhatisthetermforalogicalSANwhich providesisolationamongdevicesphysicallyconnectedtothesamefabric？（）

A. InterSwitch Link
B. Virtua LAN
C. Virtual Output Queuing
D. virtual storage area network

单项选择题Anetworkvulnerabilityscannerispartofwhichcriticalelementofnetworkandsystemsecurity？（）

A. host security
B. perimeter security
C. security monitoring
D. policy management