單項(xiàng)選擇題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
C. support business applications
D. risk of lost connectivity without STP


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1.單項(xiàng)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 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?()

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(xiàng)選擇題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?()

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

5.單項(xiàng)選擇題Which protocol would provide block access to remote storage over WAN links?()

A.iSCSI
B.FCIP
C.SCSI-FP
D.eSCSI

8.單項(xiàng)選擇題In base e-Commerce module designs, where should firewall perimeters be placed?()

A. core layer
B. Internet boundary
C. aggregation layer
D. aggregation and core layers
E. access and aggregation layers


9.多項(xiàng)選擇題Which three best practices should be implemented at the campus backbone submodule to support the 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(xiàng)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

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Which technology allows centralized storage services to be shared across different VSANs?()

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Which two of these are advantages of placing the VPN device in the DMZ on the firewall?()

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One of your customers has deployed a Layer 3 gateway in the untrusted network. Which gateway mode is appropriate for this customer?()

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Refer to the exhibit. Which two statements about the topologies shown are correct?()

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