What are three important security issues in any small， medium， or enterprise business organization？ （）

多项选择题WhichtwoseriesofCiscoCatalystswitches，whenplacedinthedistributionlayer，effectivelypasshighamountsofnetworktrafficbetweenthecoreandaccesslayerswhileaggregatingaccess？（）

A. Cisco Catalyst 2800
B. Cisco Catalyst 3550
C. Cisco Catalyst 3750
D. Cisco Catalyst 4500
E. Cisco Catalyst 6500

多项选择题WhichtwostatementbestdescribestheCiscoUnifiedWirelessNetwork？（）

A. The Cisco Unified Wireless Network provides the framework to segregate wired and wireless networks to deliver the best security for companies that are deploying WLANs
B. The Cisco Unified Wireless Network provides the framework to integrate and extend wired and wireless networks to deliver the lowest-possible total cost of ownership for companies that are deploying WLANs
C. The Cisco Unified Wireless Network extends wireless awareness into important elements of the network infrastructure， providing the same level of security for WLANs that organizations have come to expect from their VPNs
D. The Cisco Unified Wireless Network extends wireless awareness into important elements of the network infrastructure， providing the same level of security， sociability， reliability， ease of deployment， and management for WLANs that organizations have come to expect from their wired LANs

单项选择题WhatvoiceendpointisrecommendedforusewiththeCiscoUnifiedCommunications500Seriesforsmallbusinesses？（）

A. IP7961
B. IP8961
C. SPA504
D. SPA9000

多项选择题WhichtwooftheseCiscoCatalystaredistribution-areaswitches？（）

A. Catalyst 2800/E Series
B. Catalyst 3750 Series
C. Catalyst 3900/E Series
D. Catalyst 4500/E Series
E. Catalyst 6500/E Series

单项选择题WhatbestdescribesthefeaturesoftheCisco850Seriesrouters？（）

A.integrates data，security，and wireless
B.integrates data，ecurity，wireless and application optimization
C.integrates voice，data，security，wireless and application optimization
D.integrates data and wireless