单项选择题
A. for multiple ISDN connections B. for modem concentrated dial-up connections C. for a group of users in the same vicinity sharing a connection D. for use by mobile users
Whichroutingprotocolsupportsaflexibleareastructureusing...
单项选择题Which routing protocol supports a flexible area structure using routing levels one and two？（）
A. OSPF B. EIGRP C. IS-IS D. BGP
Whichsite-to-siteVPNsolutionallowsCiscorouters，PIXFirew...
单项选择题Which site-to-site VPN solution allows Cisco routers， PIX Firewalls， and Cisco hardware clients toact as remote VPN clients in order to receive predefined security policies and configuration parameters from the VPN headend at the central site？（）
A. Easy VPN B. GRE tunneling C. Virtual Tunnel Interfaces D. Dynamic Multipoint VPN E. Group Encrypted Transport VPN
WhendesigningtheWANmodulewithintheenterpriseedge，whichd...
单项选择题When designing the WAN module within the enterprise edge， which document is used to specify the connectivity and performance agreements with the service provider？（）
A. RFP B. RFC C. SLC/SLA D. SOW
