Packet-switching wireless networks are preferable(41)when transmissions are(42)because of the way charges are(43)per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are(44)

第1题：

第2题：

What are the three main types of networks that must be considered when defining a security policy？

第3题：

Which two statement best describes the Cisco Unified Wireless Network？ （）

• A、 The Cisco Unified Wireless Network provides the framework to segregate wired and wireless networks to deliver the best security for companies that are deploying WLANs
• B、 The Cisco Unified Wireless Network provides the framework to integrate and extend wired and wireless networks to deliver the lowest-possible total cost of ownership for companies that are deploying WLANs
• C、 The Cisco Unified Wireless Network extends wireless awareness into important elements of the network infrastructure， providing the same level of security for WLANs that organizations have come to expect from their VPNs
• D、 The Cisco Unified Wireless Network extends wireless awareness into important elements of the network infrastructure， providing the same level of security， sociability， reliability， ease of deployment， and management for WLANs that organizations have come to expect from their wired LANs

第4题：

When configuring Cisco Secure ACS to support wireless EAP authentication， which device must be configured as a AAA client？（）

• A、Wireless Control System
• B、wireless clients
• C、wireless controllers
• D、controller-based access points
• E、Location Appliance

第5题：

Which device is used in wireless networks to send transmissions to a target area?（）

• A、Optical fiber
• B、Access point
• C、Omni-directional antenna
• D、Directional antenna

第6题：

When setting up a wireless network to cover a large area, which of the following needs to beconsidered FIRST?（）

• A、Device placement
• B、Encryption methods
• C、Wireless channels
• D、SSID name

第7题：

Which new key architectural element introduced in WebLogic Server l2c should you take  advantage of when designing Disaster Recovery Centers with active - passive mode?（）

• A、MAN Clusters, because they would allow you to synchronously replicate state in low latency networks 
• B、WAN Clusters, because they would allow you to asynchronously replicate state in nonlow latency networks.  
• C、Transaction Log in the database, because you could avoid synchronizing two replication technologies (database and file)  
• D、Data Guard, because it is the most effective way to replicate a state across locations
• E、GoldenGate, because it is the most effective way to replicate a state across locations

第8题：

Your computer has a wired network adapter and a wireless network adapter. You use the wireless network adapter only when traveling.  You need to configure the network adapter profile settings to ensure that other systems are allowed to discover your computer only when you are at home.  What are two possible ways to achieve this goal？（）

• A、When you configure access to the wired network at home， set the wired network adapter location type to Private.
• B、When you configure access to the wired network at home， set the wired network adapter location type to Public.
• C、When you configure access to the public wireless access points， set the wireless network adapter location type to Private.
• D、When you configure access to the public wireless access points， set the wireless network adapter location type to Public.

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第13题：

When configuring Cisco Secure ACS to support wireless EAP authentication，which device mustbeconfigured as a AAA client？（）

• A、Location Appliance
• B、controller-based access points
• C、wireless clients
• D、Wireless Control System
• E、wireless controllers

第14题：

Which feature is an advantage of the Cisco Small Business VPN Router Series?（）

• A、QuickVPN (QVPN) client software for simplified management
• B、minimal configuration requirements
• C、802.1g capabilities and support for multiple wireless networks simultaneously (multiple BSSIDs)
• D、wireless bridging to overcome the lack of physical network cable

第15题：

What is needed to allow IT managers to design， control， and monitor their wireless networks form a centralized location as wireless networks grow in scale and complexity？（）

• A、 network unification
• B、 network management
• C、 mobility platform
• D、 client devices

第16题：

What are two benefits of using NAT?（）

• A、NAT protects network security because private networks are not advertised.
• B、NAT accelerates the routing process because no modifications are made on the packets.
• C、Dynamic NAT facilitates connections from the outside of the network.
• D、NAT facilitates end-to-end communication when IPsec is enable.
• E、NAT eliminates the need to re-address all host that require extemal access.
• F、NAT conserves addresses through host MAC-level multiplexing.

第17题：

When verifying a new wireless installation the administrator is unable to see a wireless signal withany wireless laptop. The MOST likely problem is:（）

• A、The SSID is not set to broadcast
• B、An incorrect channel is being used
• C、Incorrect client security settings are configured
• D、Incorrect client configuration on the laptops

第18题：

A user states that the wireless on their laptop was working when they where at home, however,now in the office no wireless connection can be made. Which of the following should the technician check FIRST?（）

• A、If the wireless is enabled
• B、If the laptop is connected to the correct gateway
• C、If the SSID is enabled
• D、If the DHCP address scheme is correct

第19题：

You have a computer that runs Windows XP Professional. The computer has an 802. 11g wireless network card. You have a wireless access point that is secured by using WiFi Protected Access (WPA). The service set identifier (SSID) of the wireless access point does not broadcast. You need to establish a wireless connection to the wireless access point. What should you do?（） 

• A、From the Device Manager, open the wireless network adapter properties and click Advanced. 
• B、From the Device Manager, right-click the wireless network adapter and click Scan for hardware changes. 
• C、From the Wireless Network Connection Properties, select View Wireless Networks. 
• D、From the Wireless Network Connection Properties, click Change Advanced Settings. From the Wireless Networks tab, select Add a preferred network. 

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