Cisco® 300-360 Exam Practice Questions (P. 4)
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Question #16
Which three recommendations must be taken into consideration when an engineer is installing a new Voice WLAN? (Choose three.)
- AUse the Cisco wireless phone site survey client utility.
- BUse a separate Cisco Wireless Lan Controller.
- CEnable load balance on voice WLANs.
- DMaintain -67dBM as a minimal RSSI.
- ESet data for 2.4 GHz and voice for 5 GHz using separate SSIDs.
- FEnable lower data rates for 2.4-GHz data WLAN.
Correct Answer:
ADE
ADE
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Question #17
An engineer is assigned to replace an older data-grade autonomous wireless network with a Cisco controller-based wireless network to meet Voice over WLAN needs. The customer also wants all existing cable infrastructure to be reused and no new cable be specified. How should the engineer respond to the customers requirements?
- AImplement the wireless network with the restraints and decrease the TPC neighbor threshold to increase Tx power to provide overlapping cell coverage at sufficient SNR to provide for Voice over WLAN service.
- BImplement the wireless network with the restraints and utilize high-gain antenna to provide overlapping cell coverage at sufficient SNR to provide for Voice over WLAN service.
- CInform the customer that the network will not likely function as desired and a post install survey with the possibility of some new cable would be recommended.
- DInform the customer that it is not possible to provide coverage and quality for Voice over WLAN using existing AP locations and an entire overbuild will be
Correct Answer:
B
B
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Question #18
A Cisco 7925 phone at a clients location is not registering with CUCM. The engineer analyzes a packet capture, sees that the phone receives an IP, and downloads the proper configuration file from TFTP successfully. What type of messages should the phone be sending at this point?
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Question #19
What are two advantages of conducting an active survey versus a passive survey when verifying RF coverage? (Choose two.)
- Averifies packet loss
- Bverifies roaming
- Cverifies SNR
- Dverifies signal level
- Everifies interferers
Correct Answer:
AB
AB
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Question #20
An engineer is determining the signal levels for the wireless cells. Which signal-to-noise ratio is an optimal configuration to achieve?
- Aminimum SNR of -33 dBm
- Bminimum SNR of -25 dBm
- Cminimum SNR of 25 dB
- Dminimum SNR of 33 dB
Correct Answer:
C
The minimum recommended wireless signal strength for voice applications is -67 dBm and the minimum SNR is 25 dB.
Reference: http://www.cisco.com/c/en/us/support/docs/wireless/5500-series-wireless-controllers/116057-site-survey-guidelines-wlan-00.html
C
The minimum recommended wireless signal strength for voice applications is -67 dBm and the minimum SNR is 25 dB.
Reference: http://www.cisco.com/c/en/us/support/docs/wireless/5500-series-wireless-controllers/116057-site-survey-guidelines-wlan-00.html
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