Free 642-681 download :Advanced Wireless LAN for System Engineers Exam Advanced Wireless LAN AM exam
Certification Provider: cisco
Exam Name: Advanced Wireless LAN for System Engineers Exam
Related Certifications: Wireless LAN
Language: English
Latest update:2010-05-01
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642-681 AWLANSE
Advanced Wireless LAN for System Engineers Exam
Exam Number: 642-681
Associated Certifications: Cisco Advanced Wireless LAN Design Specialist
Duration: 75 minutes (60-70 questions)
Available Languages: English and Japanese
Click Here to Register: Pearson VUE
Exam Policies: Read current policies and requirements
Exam Tutorial: Review type of exam questions
Exam Description Exam Topics Recommended Training Additional Resources
Exam Description
The 642-681 AWLANSE Advanced Wireless LAN for System Engineers exam is the exam associated with the Cisco Advanced Wireless LAN Design Specialist certification. This exam tests the candidate’s knowledge of WLAN basics such as RF, antenna theory, and 802.11a, b, and g standards. The exam also tests the candidate’s ability to describe, design, and support the Cisco Unified Wireless Network products Candidates can prepare for this exam by taking the Cisco Wireless LAN Fundamentals, Cisco Wireless LAN Advance Topics and Lifecycle Services for Adv WLAN course
Exam Topics
The following information provides general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes the guidelines below may change at any time without notice.
Describe the technical functionality of Cisco unified wireless solutions
Describe the key features and differentiators of the Cisco autonomous AP solution set
Describe the key features and differentiators of the Cisco lightweight AP solution set
Describe the key features and benefits of a mesh wireless solution
Describe the key features and benefits of a bridged wireless solution
Describe the key features and benefits of mobile access router solutions
Describe the security benefits of the Cisco Self Defending Network solution
Describe the features and benefits of RF signaling technologies
Describe the technical benefits of Cisco wireless products to meet business requirements
Describe the benefits of key features included with the WLSE
Describe the benefits of wireless controllers
Describe the benefits of key features included with WCS
Describe the benefits of key features included with ISRs with wireless capabilities
Describe the benefits of key features included with the Location Server
Describe the benefits of key features included with Cisco AP’s & bridges
Describe the benefits CCX compatibility
Describe the security features of the Cisco Unified Wireless solution set
Describe the benefits of wireless security features included with the ACS
Describe the benefits of security features included with Cisco autonomous AP’s
Describe the benefits of security features included with the Cisco wireless controllers
Describe the benefits of security features included with integrated guest access
Describe the benefits of security features included with the Cisco lightweight AP’s
Describe the benefits of Cisco wireless IDS
Assess customer’s technical and business requirements
Describe the importance of completing a wireless site survey
Analyze the results of a wireless site survey
Perform and analyze the results of a wireless security assessment
Describe the requirements for implementing voice in a wireless network
Describe the channel capacity and coverage for VoIP requirements on a wireless LAN
Describe VoWLAN architecture requirements
Describe VoWLAN call data flow
Describe the Cisco Lifecycle Services for Advanced WLAN
Describe the overall features of the Cisco Lifecycle Services for Advanced WLAN
Describe the value of service components included in the Prepare phase for advanced WLAN
Describe the value of service components included in the Plan phase
Describe the value of service components included in the Design phase
Describe the value of the activities included in the Prepare phase
Describe the value of the activities included in the Plan phase
Describe the value of the activities included in the Design phase
Cisco 642-681
Advanced Wireless LAN for System Engineers Exam
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1. OFDM provides which improvement over DSSS in the 2.4-GHz range?
Select the best response.
A. greater resistance to multipath interference
B. more nonoverlapping channels
C. more bandwidth per channel
D. full-duplex communication
Answer: A
2. What is the maximum round-trip delay that an H-REAP will tolerate from a centralized controller? Select the best response.
A. 100 milliseconds
B. 500 milliseconds
C. 1000 milliseconds
D. 1500 milliseconds
Answer: A
3. Which EAP authentication method is used by the Cisco WLAN controller to perform web authentication? Select the best response.
A. EAP-TLS
B. EAP-MD5
C. PEAP-GTC
D. PEAP-MSCHAP
E. No EAP authentication is used
Answer: E
4. Which two individual user parameters can be restricted by administrators of controller-based wireless networking using Identity Based Networking Services? (Choose two.)
A. IP restrictions
B. RF utilization
C. time restrictions
D. password length enforcement
E. WLAN assignment
Answer: AB
5. What is the minimum recommended dBm when designing a VoIP network with 11-Mbps cells, and no more than one access point per overlapping channel set?
Select the best response.
A. -35
B. -56
C. -67
D. -86
Answer: C
6. Which two threats are detected by means of the Cisco Network Admission Control? (Choose two.)
A. spam
B. malware
C. rogue access points
D. denial-of-service attacks
E. out-of-date antivirus definitions
Answer: BE
7. When designing a wireless VoIP network, what is the recommended lowest data rate for an IEEE 802.11b/g network?
Select the best response.
A. 1 Mbps
B. 2 Mbps
C. 5.5 Mbps
D. 11 Mbps
Answer: D
8. The Cisco Secure ACS software includes support for which three authentication protocols used by WLANs? (Choose three.)
A. AES
B. EAP-FAST
C. EAP-Cisco Wireless (Cisco LEAP)
D. EAP-TTLS
E. PEAP (GTC and MSCHAPv2)
F. WPA
Answer: BCE
9. Which three items are associated with the controller-based feature set products? (Choose three.)
A. Wireless Services Module
B. Cisco Aironet 1400 Series Wireless Bridge
C. Cisco Wireless Control System
D. access point based authentication services
E. CiscoWorks Wireless LAN Solution Engine
F. Cisco Aironet 1000 Series Lightweight Access Point
Answer: ACF
10. In the wireless design phase, which service component includes developing and documenting the test case(s) used to verify that a deployed infrastructure meets the operational, functional, and interface requirements?
Select the best response.
A. Implementation Plan
B. Business Plan
C. Staging Plan
D. Detailed Design Development
E. Systems Acceptance Test Plan Development
Answer: E
11. How is a bridge group name used in a wireless mesh deployment? Select the best response.
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: B
12. What is the Cisco-recommended limit of standalone access points to be managed by a CiscoWorks WLSE 1130-19 with RF management enabled? Select the best response.
A. 1000
B. 1500
C. 1800
D. 2500
Answer: C
13. Which one of the following integrated services routers supports the integrated 2.4-GHz b/g access points? Select the best response.
A. Cisco 1812
B. Cisco 1811
C. Cisco 1841
D. Cisco 1803
Answer: C
14. 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: CE
15. Which two devices support link role flexibility? (Choose two.)
A. Cisco Aironet 1400 Series Wireless Bridge
B. Cisco Aironet 1300 Series Outdoor Access Point/Bridge
C. Cisco Aironet 1242AG Series Access Point
D. Cisco Aironet 1230AG Series Access Point
E. Cisco Aironet 1100 Series Access Point
Answer: CD