多项选择题 Which two design concerns must be addressed when designing a multicast implementation?（）

单项选择题 Which routing protocol supports a flexible area structure using routing levels one and two?（）

单项选择题 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?（）

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?（）

单项选择题 You are the network consultant from Cisco.com. Please point out the reason that STP required when VLANs do not span access layer switches.（）

单项选择题 Acme Nutrition manufactures a wide variety of vitamin supplements. It has a single manufacturing facility with 3 regional warehouses and 16 district sales offices. Currently the manufacturing facility requires 210 IP addresses; each warehouse requires 51 IP addresses; each district sales office requires 11 IP addresses; and the IP WAN requires 38 IP addresses. if Acme Nutrition plans for 20 percent growth in facilities, how many Class C subnets will the district sales offices require?（）

单项选择题 In a VoWLAN deployment, It is recommended（）dBm separation between cells with the same channel.

单项选择题 What is the device weight limit per CallManager in a Cisco IP phone configuration?（）

单项选择题 The Cisco network-based virtual firewall service solution helps service providers to deliver costeffective, scalable, integrated security services for enterprise customers using Cisco platforms .What is a virtual firewall?（）

单项选择题 Which protocol would provide block access to remote storage over WAN links?（）

多项选择题 Cisco IDS sensors form the eyes and ears of your Cisco network intrusion detection system.Placing sensors correctly throughout your network is crucial to successfully implementing your Cisco intrusion detection system . Where can an IPS sensor be placed in an enterprise network?（）

单项选择题 The network administrator would like to generate synthetic traffic using the Service Assurance Agent contained in Cisco IOS. Which CiscoWorks network management application will be used to report the latency and availability for configured traffic operations on an end-to-end and hop-byhop (router-to router) basis？（）

单项选择题 In base e-Commerce module designs, where should firewall perimeters be placed?（）

多项选择题 Which three best practices should be implemented at the campus backbone submodule to support the server farm module?（）

多项选择题 Cisco IDS sensors form the eyes and ears of your Cisco network intrusion detection system.Placing sensors correctly throughout your network is crucial to successfully implementing your Cisco intrusion detection system .Which two of these are characteristics of an IDS sensor?（）

多项选择题 Which three components are part of the Intelligent Network Services provided by the Cisco AVVID framework? （）

单项选择题 Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and（）refers to call issues that cause variations in timing or time of arrival.

单项选择题 Which VPN management feature would be considered to ensure that the network had the least disruption of service when making topology changes?（）

多项选择题 Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration?（）

单项选择题 What type of Call Admission control in CallManager allows for limits to the bandwidth consumed by active calls?（）