题库642-681.doc

1. The CiscoWorks Wireless LAN Solution Engine uses which protocol for radio management?A. CCKMB. LWAPPC. SNMPD. WLCCPAnswer: D2. Which two key features are unique to the controller-based feature set? (Choose two.)A. fast secure roamingB. rogue access point detectionC. access point participation in RF managementD. access point registration via digital certificateE. dynamic RF control without a dedicated management platformAnswer: DE3. The Newton manufacturing company has three facilities that are located in Columbia, South Carolina.The corporate office is located in an 11-story building downtown. The R&D facility is located on the northside of the city approximately 4 miles (6.4 km) from the corporate office in a five-story building. Themanufacturing facility is located approximately 6 miles (9.6 km) to the northwest of the corporate office. Lineof sight exists from the downtown office to all facilities. Users at the manufacturing plant require networkconnectivity for file sharing and e-mail, while the users at the R&D facility require high-speed Internetaccess with the ability to send large CAD drawings to the corporate office and large machine control files tothe manufacturing facility. Presently, the manufacturing facility is connected to the corporate office by a64-kbps leased line, and the R&D facility is connected to both the corporate office and the manufacturingfacility by a dedicated T1 line. The company plans to add a second line of development at the R&D facilitywithin the next 60 days. The current T1 lines are at a constant 70-percent utilization rate. The currentprojected lead time for installation of additional lines is 90 days if the current cable plant will support it.A wireless bridging solution would provide which three benefits to the customer? (Choose three.)A. rapid deploymentB. immunity to weatherC. increased bandwidthD. guaranteed bandwidthE. increased securityF. lower total cost of ownershipAnswer: ACF4. In a mesh network, what is the recommended hop-count limit of a mesh access point from its associatedroot access point?A. 2B. 4C. 6D. 8Answer: B5. How is a bridge group name used in a wireless mesh deployment?A. It is used to retrieve the secret shared key.B. It logically groups access points to avoid interference from neighboring mesh networks.C. It is used as a password in communication preceding LWAPP.D. It is used to join the outdoor mesh network with the controller mobility group.Answer: B6. The Cisco 3200 Series Mobile Access Router has integrated wireless support for which twoFCC-approved frequency ranges? (Choose two.)A. 900 to 928 MHzB. 2.400 to 2.4835 GHzC. 4.940 to 4.990 GHzD. 5.150 to 5.250 GHzE. 5.725 to 5.825 GHzAnswer: BC7. Which three wireless intrusion-prevention signatures are part of the standard signature set provided bythe Wireless LAN Controller? (Choose three.)A. ad-hoc network detectionB. rogue network detectionC. rogue access point detectionD. deauth flood detectionE. fake access point detectionF. NetStumbler detectionAnswer: DEF8. A customer has a small remote site with 10 standalone access points. In which two of the followingscenarios would it be appropriate to implement CiscoWorks WLSE Express? (Choose two.)A. EAP-Cisco Wireless (Cisco LEAP) security is required and an external AAA server is available.B. EAP-Cisco Wireless (Cisco LEAP) security is required and no external AAA server is available.C. EAP-FAST security is required and no external AAA server is available.D. EAP-FAST security is required and an AAA server is available.E. MAC authentication is required and no external AAA server is available.F. MAC authentication is required and an external AAA server is available.Answer: BC9. What is the Cisco-recommended limit of standalone access points to be managed by a CiscoWorksWLSE 1130-19 with RF management enabled?A. 1000B. 1500C. 1800D. 2500Answer: C10. What is the maximum number of access points that a high-end Cisco WCS server can support?A. 500B. 1000C. 1500D. 3000Answer: D11. Which one of the following integrated services routers supports the integrated 2.4-GHz b/g accesspoints?A. Cisco 1812B. Cisco 1811C. Cisco 1841D. Cisco 1803Answer: C12. A customer in the United States requires connectivity between two campus locations that are located 6miles (9.65 km) apart. The customer also needs a minimum data rate of 54 Mbps in an area that is known tohave 2.4-GHz interference. Which two devices will provide a bridge link and avoid the interference?(Choose two.)A. Cisco Aironet 1100 Series Access PointB. Cisco Aironet 1210 Series Access PointC. Cisco Aironet 1242AG Series Access PointD. Cisco Aironet 1300 Series Outdoor Access Point/BridgeE. Cisco Aironet 1400 Series Wireless BridgeAnswer: CE13. The Newton Manufacturing Company has three facilities that are located in Columbia, South Carolina.The corporate office is located in an 11-story building downtown. The R&D facility is located on the northside of the city approximately 4 miles (6.4 km) from the corporate office in a five-story building. Themanufacturing facility is located approximately 6 miles (9.6 km) to the northwest of the corporate office. Lineof sight exists from the downtown office to all facilities. Users at the manufacturing plant require networkconnectivity for file-sharing and e-mail, while the users at the R&D facility require high-speed Internetaccess with the ability to send large CAD drawings to the corporate office and large machine control files tothe manufacturing facility. Presently, the manufacturing facility is connected to the corporate office by a64-kbps leased line, and the R&D facility is connected to both the corporate office and the manufacturingfacility by a dedicated T1 line. The company plans to add a second line of development at the R&D facilitywithin the next 60 days. The current T1 lines are at a constant 70 percent utilization rate. The currentprojected lead time for installation of additional lines is 90 days if the cable plant will support it.Which deployment option would provide the most benefit to the customer?A. point-to-point link from corporate to manufacturing, and a point-to-point link from corporate to R&DB. point-to-multipoint solution with the root bridge located at the manufacturing facilityC. point-to-multipoint solution with the root bridge located at the corporate officeD. point-to-multipoint solution with the root bridge located at the R&D facilityAnswer: D14. OFDM provides which improvement over DSSS in the 2.4-GHz range?A. greater resistance to multipath interferenceB. more nonoverlapping channelsC. more bandwidth per channelD. full-duplex communicationAnswer: A15. How many prior configuration versions can be archived on the CiscoWorks WLSE?A. twoB. fourC. sixD. eightAnswer: B16. Which two statements correctly describe the Cisco Catalyst WiSM? (Choose two.)A. It supports up to 100 access points per module.B. It supports up to 200 access points per module.C. It supports up to 300 access points per module.D. It has a maximum of four modules per chassis.E. It has a maximum of five modules per chassis.F. It has a maximum of six modules per chassis.Answer: CE17. How many mesh access points can be placed on a map with efficient link rendering in Cisco WCS?A. 50B. 100C. 150D. 200Answer: B18. What is the maximum number of wireless devices that a Cisco 2700 Series Wireless Location Appliancecan track, operating with Cisco WCS version 4.0?A. 500B. 1000C. 1500D. 2500Answer: D19. Which three devices are required to implement a Cisco 2700 Series Wireless Location Appliance?(Choose three.)A. wireless controllerB. wireless domain serverC. Cisco Wireless Control SystemD. controller-based access pointE. standalone access pointF. CiscoWorks Wireless LAN Solution EngineAnswer: ACD20. Which statement describes how RSSI information is processed in a WLAN with a location applianceusing controller-based products?A. Access points aggregate RSSI information.B. WLAN controllers compute RSSI information.C. The location appliance collects the RSSI information.D. The Cisco WCS collects and aggregates the RSSI information and forwards it to the location appliance.Answer: C21. When a wireless controller loses connectivity to a remote Cisco Aironet 1030 Lightweight Access Pointin REAP mode, what will be the next step for that remote access point?A. lose its configurationB. disconnect all associated clientsC. continue to provide local WLAN1 connectivity for shared key authentication onlyD. support no more than 10 wireless clientsE. provide local WLAN1 connectivity using local-site AAA authentication serverAnswer: C22. Which two devices support link role flexibility? (Choose two.)A. Cisco Aironet 1400 Series Wireless BridgeB. Cisco Aironet 1300 Series Outdoor Access Point/BridgeC. Cisco Aironet 1242AG Series Access PointD. Cisco Aironet 1230AG Series Access PointE. Cisco Aironet 1100 Series Access PointAnswer: CD23. What is the maximum round-trip delay that an H-REAP will tolerate from a centralized controller?A. 100 millisecondsB. 500 millisecondsC. 1000 millisecondsD. 1500 millisecondsAnswer: A24. Which authentication mechanism was introduced in Cisco Compatible Extensions version 2?A. AESB. Cisco Key Integrity Protocol and Cisco MICC. PEAP-GTCD. EAP-Cisco Wireless (Cisco LEAP)Answer: C25. Which WEP key protection method was introduced in Cisco Compatible Extensions version 1?A. AESB. Cisco Key Integrity Protocol and Cisco MICC. TKIP and MICD. EAP-Cisco Wireless (Cisco LEAP)Answer: B26. The local authentication service on a standalone access point supports which two authentication types?(Choose two.)A. EAP-TLSB. EAP-FASTC. PEAP-GTCD. PEAP-MSCHAPE. EAP-Cisco Wireless (Cisco LEAP)Answer: BE27. Which EAP authentication method is used by the Cisco WLAN controller to perform webauthentication?A. EAP-TLSB. EAP-MD5C. PEAP-GTCD. PEAP-MSCHAPE. No EAP authentication is usedAnswer: E28. When attempting to connect to the WLAN using HTTP authentication, a client is automaticallyredirected to a login page. The login page is on which device that uses the controller-based products?A. Cisco Location ApplianceB. Cisco WCSC. access pointD. wireless LAN controllerAnswer: D29. How many SSIDs are supported on a standalone access point with dual radios?A. 8B. 12C. 16D. 20Answer: C30. How many VLANs are supported on the Cisco Aironet 1242AG Series Access Point in controller-basednetworking?A. 8B. 12C. 16D. 20Answer: A31. The source port of LWAPP Layer 3 data traffic is UDP port 1024 or greater. What is the destination port?A. 12222B. 12223C. 12224D. 12225Answer: A32. Which two of the following are considered part of the Cisco Self-Defending Network? (Choose two.)A. IPSB. IDSC. IBSSD. IBNE. IBMAnswer: AB33. What is the Cisco-recommended signal-to-noise ratio for a data rate of 54 Mbps on a 2.4-GHz datanetwork?A. 30 dBB. 25 dBC. 35 dBD. 40 dBAnswer: C34. What is the Cisco-recommended signal-to-noise ratio for a data rate of 54 Mbps on a 5-GHz datanetwork?A. 25 dBB. 30 dBC. 35 dBD. 40 dBAnswer: B35. Which two individual user parameters can be restricted by administrators of controller-based wirelessnetworking using Identity Based Networking Services? (Choose two.)A. IP restrictionsB. RF utilizationC. time restrictionsD. password length enforcementE. WLAN assignmentAnswer: AB36. Guest tunneling is a feature used for the guest WLAN. How many tunnels can a virtual anchor WLANcontroller support?A. 30B. 40C. 50D. 60E. 70Answer: B37. The Cisco Wireless LAN Controller can support a maximum of how many VLANs?A. 16 VLANs, one per SSIDB. 8 VLANs, one per SSIDC. 512 VLANsD. 4095 VLANsE. only supports the untagged VLAN 0Answer: C38. The Cisco WLAN controller examines a variety of real-time RF characteristics to efficiently handlechannel assignments. These characteristics include which three of the following? (Choose three.)A. EMIB. client RSSIC. switch loadD. client loadE. utilizationF. noiseAnswer: DEF39. By taking advantage of the Cisco Wireless Security Suite, the WLAN controllers support which twosecurity standards and specifications? (Choose two.)A. EAP-TTLS and EAP-TLSB. IEEE 802.1X and IEEE 802.11iC. PEAP-MSCHAP and PAPD. PPP and VoIPE. WPA and WPA2Answer: BE40. A customer employs a Cisco 4404 Wireless LAN Controller, supporting 100 access points across fourdistribution ports. They are also using link aggregation on this controller. Which three of the followingstatements are true about Link Aggregation for this customer? (Choose three.)A. If only one functional physical link survives, only 48 access points will be supported on the link.B. If any single link goes down, traffic will migrate to the user-configured backup port.C. If only one functional physical link survives, all 100 access points will be supported on the link.D. Only one functional physical port is needed for the controller to pass client traffic.E. Eliminates the need to configure primary and backup ports for each interface.F. Requires multiple access point-manager interfaces.Answer: CDE41. Which of the following statements are true regarding the benefits of the guest tunnel and auto-anchormobility features of WLAN controllers? (Choose three.)A. They allow the implementation of geographic access policies, which can restrain client traffic to a specificsubnetwork, regardless of its physical location.B. Prime application is guest WLAN, in which it is desirable to limit guest access to the corporate networkby first passing through the corporate firewall, maintaining consistent security policies.C. The auto-anchor mobility feature tunnels all client traffic from a specific WLAN (SSID) to a specificWLAN controller to provide a physical IP point of presence.D. Only one controller may be specified as the mobility anchor for a given WLAN.E. All WLAN controllers can be configured for either side of the tunnel as the foreign or anchor controllers.F. Client traffic travels an asymmetric path.Answer: ABC42. What is the minimum recommended dBm when designing a VoIP network with 54-Mbps cells, and nomore than one access point per overlapping channel set?A. -35B. -56C. -67D. -86Answer: B43. What is the minimum recommended dBm when designing a VoIP network with 11-Mbps cells, and nomore than one access point per overlapping channel set?A. -35B. -56C. -67D. -86Answer: C44. The recommended channel utilization QoS Basic Service Set load for a VoIP network should be lessthan which value?A. 35B. 40C. 45D. 50Answer: C45. Which three settings should be set on the WLAN controller for a VoIP network designed for CiscoUnified Wireless IP Phone 7920? (Choose three.)A. platinum QoSB. gold QoSC. multicast-enabledD. multicast-disabledE. AES encryptionF. TKIP encryptionAnswer: ADF46. Which DSCP value is mapped to the IEEE 802.11e user priority for voice in a Cisco WLAN?A. 34B. 46C. 48D. 56Answer: B47. Which feature was introduced in Cisco Compatible Extensions version 2?A. EAP-Cisco Wireless (Cisco LEAP)B. radio managementC. EAP-FASTD. WMMAnswer: B48. Which feature was introduced in Cisco Compatible Extensions version 3?A. EAP-FASTB. CKIP and Cisco MICC. radio managementD. EAP-Cisco Wireless (Cisco LEAP)Answer: A49. The Cisco WCS logs which two security events? (Choose two.)A. security misconfigurations on the controllerB. wireless protocol analyzer detectionC. rogue access pointsD. TKIP and MIC failuresE. rogue clientsAnswer: CE50. Which two threat categories are reported in a security summary display by the WCS? (Choose two.)A. spamB. malwareC. rogue access pointsD. deauth flood attacksE. out-of-date antivirus definitionsAnswer: CD51. Which two threats are detected by means of the Cisco Network Admission Control? (Choose two.)A. spamB. malwareC. rogue access pointsD. denial-of-service attacksE. out-of-date antivirus definitionsAnswer: BE52. Which two of these are reasons for performing a site survey? (Choose two.)A. select the frequencyB. identify the environmental obstaclesC. determine the appropriate client typesD. determine the throughput requirementsE. determine the optimum placement of access pointsAnswer: BE53. Which three of these items are key components of a site survey? (Choose three.)A. documentationB. facility walkthroughC. coverage verificationD. access point stagingE. client configurationF. pre-survey assessmentAnswer: ABF54. A customer brings you a previously completed site survey for the initial wireless implementation from 12months ago. The customer currently has six access points deployed in the warehouse. The survey showsthat the installed coverage provides for a 15-percent overlap between cells at 5.5 Mbps, and a 5-percentoverlap at 11 Mbps. This solution has proved to provide adequate coverage and roaming capabilities for thedata applications.Why would this site survey not be adequate for a VoIP application?A. inadequate QoSB. inadequate overlapC. inadequate data rateD. inadequate throughputAnswer: B55. As a result of a security site survey, the following is discovered:An RF signal is available in the parking lot.Six access points are found belonging to employees.Static WEP keys are in use in the receiving department.No security is being used on the access points in huma