One of your customer has six sites， three of which process a large amount of traffic among them.He plans to grow the number of sites in the future. Which is the most appropriate design topology？（）

多项选择题WhichthreeLANroutingprotocolswouldbeappropriateforasmallretailorganizationwithamulti-vendorLANinfrastructure？（）

A. IGRP
B. RIP
C. RIPv2
D. OSPF

多项选择题WhichtwoofthesearecharacteristicsofanIPSdevice？（）

A. passively listens to network traffic
B. is an active device in the traffic path
C. has a permissive interface that is used to monitor networks
D. traffic arrives on one IPS interface and exits on another

多项选择题WhichthreeareusedinconfiguringCallManagerdialplans？（）

A. route list
B. route group
C. gateway list
D. route pattern

单项选择题WhichremoteaccessVPNaddressingtechniquesupportsastaticIPaddresstosupportaspecific application？（）

A. Use a static ip addresses based on incoming user policies.
B. Use DHCP to assign addresses based on incoming user policies.
C. Deploy a clientless model to assign a unique address to the user.
D. Deploy RADIUS or LDAP to assign the address to the user.

多项选择题WhataretwoconsiderationstousingIPMulticastdelivery？（）

A. no congestion avoidance
B. not for bandwidth intensive applications
C. no guaranteed delivery mechanism
D. source sends multiple data streams out each interface