Download New Latest (May) Cisco 642-742 Actual Tests 41-50

Ensurepass  QUESTION 41 Which statement describes the benefit of WMM U-APSD over legacy 802.11 power-save mode?   A. Client can burst data without standard interframe spacing. B. Client can burst data without ACKs. C. Client no longer sends null frame to notify of sleep mode. D. Client sleep mode is scheduled by AP to reduce jitter.   Answer: A     QUESTION 42 What is the minimum overhead (header plus FCS) added by 802.11 (no encryption, no WMM) between a wireless Read more [...]

Download New Latest (May) Cisco 642-742 Actual Tests 21-30

Ensurepass  QUESTION 21 When a Vocera badge performs a broadcast call in a properly configured VoWLAN using WLC v7.0, which two choices indicate how the QoS is marked? (Choose two.)   A. Upstream marked as Best Effort. B. Upstream marked as ToS CS4. C. Upstream marked as DSCP EF. D. Downstream marked as DSCP EF. E. Downstream marked as Best Effort. F. Downstream marked as Silver.   Answer: CE     QUESTION 22 Which WCS tool will be especially helpful to Read more [...]

Download New Latest (May) Cisco 642-742 Actual Tests 31-40

Ensurepass    QUESTION 31 When designing the coverage area for high call capacity, what two actions should you take with data rates and channels? (Choose two.)   A. Avoid channels with high AP co-channel interference. B. Use channels with high AP co-channel interference to avoid channel roaming. C. Set the 2.4-GHz data rate of 5.5 Mb/s to required. D. Use 5-GHz channels when possible. E. Use 2.4-GHz channels when possible.   Answer: AD     QUESTION 32 Read more [...]

Download New Latest (May) Cisco 642-742 Actual Tests 11-20

Ensurepass  QUESTION 11 Which two statements correctly describe WLAN QoS configuration related to WMM? (Choose two.)   A. 7920 AP CAC mode is not compatible with WMM policy and cannot be used at the same time. B. 7920 Client CAC mode is not compatible with WMM policy and cannot be used at the same time. C. 7920 AP CAC and 7920 client CAC modes are for 802.11b/g/n only. D. 7920 AP CAC and 7920 client CAC modes are for 802.11a/n only. E. 7920 AP CAC and 7920 client CAC modes Read more [...]

Download New Latest (May) Cisco 642-742 Actual Tests 1-10

Ensurepass Exam A   QUESTION 1 WLC v7.0 is properly configured for 802.11n and multicast video without the optional VideoStream. Which three of these options describe frames sent from the AP to wireless clients? (Choose three.)   A. sent as gold QoS B. sent as best effort QoS C. sent at highest mandatory rate D. sent at lowest mandatory rate E. sent at client MCS data rate F. ACK per frame G. No ACKs   Answer: BCG     QUESTION 2 Refer to the exhibit. Read more [...]