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全部科目 > 软件认证工程师考试 > 思科认证考试 > CCDP系列认证 > CCDP(642-873)

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

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Which site-to-site VPN solution allows Cisco routers, PIX Firewalls, and Cisco hardware clients to act 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. DynamicMultipoint VPN
E. Group Encrypted Transport VPN
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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
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C.SLC/SLA
D.SOW
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You are the network consultant from Cisco.com. Please point out the reason that STP required when VLANs do not span access layer switches.（）

A. ensure a loop-free topology
B. protect against user-side loops
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D. risk of lost connectivity without STP
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