In Cisco Network Attached Storage solutions， what are two common high-availability features for small business？（） 

单项选择题TheCiscoSmartBusinessCommunicationsSystemofferssupportofthird-partyapplications.WhenusingTimeCardView，whatdeviceisusedbyemployeestoclockinandclockout？（）

A. IP phone
B. wireless access point
C. secure router
D. time clock

单项选择题WhatistheSMBPartnerPracticeBuilder？（）

A. technical support that requires an annual subscription
B. management consultancy service offered to develop partner business process
C. support for partners building a new business
D. program to develop Unified Communications practice

单项选择题Whichstatementbestdescribesclusteringinasmall-businesswirelessnetwork？（）

A. allows multiple access points to be connected wirelessly， without the need for a wired Ethernet network
B. replicates configuration parameters across access points in the cluster， while optimizing network performance
C. automatically configures wireless client devices via Wi-Fi Protected Setup
D. can get real-time traffic or bandwidth statistics from an access point within a cluster

多项选择题Whichtwocomponentsareuniquetocontroller-basedwirelessinstallations？（）

A. Mobility Services Engine
B. WLAN controller
C. Cisco Wireless Control System
D. rugged/exterior access points
E. interior access points

单项选择题IProutingprotocols，suchasOSPFandEnhancedEIGRP，areusedprimarilyinnetworkdesignsthatcontainentryandexitpointstothenetworkfromserviceproviders.WhatisacommontraitofIProutingprotocols？（）

A. They add needed overhead in smaller deployments.
B. They are essential for optimum and redundant forwarding.
C. They are used primarily in larger network designs，to support different networks and single entry and  exit points.
D. They are usually necessary in smaller deployments.