單項選擇題You are the Cisco Network Designer. Which of these is least important when determining howmany users a NAS can support？（）

A. bandwidth
B. number of plug-ins per scan
C. total number of network devices
D. number of checks in each posture assessment


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1.單項選擇題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 facilityrequires 210 IP addresses； each warehouse requires 51 IP addresses； each district sales officerequires 11 IP addresses； and the IP WAN requires 38 IP addresses. if Acme Nutrition plans for20 percent growth in facilities， how many Class C subnets will the district sales offices require？（）

A. 19 （3 from the warehouse range and 16 from a separate Class C address）
B. 19 （3 from the warehouse block， 15 from a separate Class C block and 1 from the IP WAN block）
C. 20 （4 from the warehouse range，15 from a separate Class C block and 1 from the IP WAN block）
D. 16 （3 from the warehouse range and 13 from a separate Class C address）

4.單項選擇題The Cisco network-based virtual firewall service solution helps service providers to deliver cost-effective， scalable， integrated security services for enterprise customers using Cisco platforms.What is a virtual firewall？（）

A. another name for a firewall deployed in routed mode
B. another name for a firewall deployed in transparent mode
C. a separation of multiple firewall security contexts on a single firewall
D. a firewall that， when deployed in routed mode， can support up to 1000 VLANs per context

9.多項選擇題Which three best practices should be implemented at the campus backbone submodule to supportthe server farm module？ （）

A. Implement highly redundant switching and links with no single points or paths of failure.
B. Implement server load balancing.
C. Implement the Hot Standby Router Protocol （HSRP） for failover protection.
D. Implement intrusion detection with automatic notification of intrusion attempts in place.

10.多項選擇題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？（）

A. has a permissive interface that is used to monitor networks
B. is an active device in the traffic path
C. passively listens to network traffic
D. has a promiscuous interface that is used to monitor the network