Q1. A cabling contractor is working at a customer facility. The contractor is asking what rating of cable should be installed in return-air areas. Which information can be referenced to provide the contractor the requested information?
A. OSHA Codes
B. BICSI TDDM
C. NEC Ratings
D. IEEE Standards
Answer: B
Q2. An engineer is performing a predictive wireless design for a Parts Distribution Center, which requires data and location services. Which three requirements are inputs to the design? (Choose three.)
A. access points with directional antennas
B. continuous -67 dBm coverage from one access point
C. overlapping -75 dBm coverage from three access points
D. overlapping -67 dBm coverage from two access points
E. access points in IPS mode
F. continuous -72 dBm coverage from one access point
G. access points in corners and along perimeters
Answer: B,C,G
Explanation: Reference: http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Mobility/WiFiLBS- DG/wifich5.html
Q3. When reviewing a design for a voice over wireless deployment, what per-call bandwidth cost should be factored in when determining maximum calls per cell using SIP and G.711u as the codec?
A. 64 bytes
B. 8 bytes
C. 80 bytes
D. 10 bytes
Answer: C
Q4. A downstream packet that contains a DSCP value arrives at the WLC Ethernet interface from the wired source network. The WLC is configured for QoS WLAN 802.1p mapping. How does the WLC treat the CAPWAP QoS marking when leaving the controller interface for the respective AP and final wireless client destination?
A. No outer CAPWAP or inner QoS tagging is applied.
B. The outer CAPWAP CoS is marked and capped and the inner DSCP maintains the original marking.
C. No outer CAPWAP QoS tag is applied, but the original DSCP is maintained inside CAPWAP.
D. The outer CAPWAP DHCP is marked and capped without any inner DSCP value.
Answer: B
Q5. Which two types of information must be included in the installation inventory portion of the post-installation report? (Choose two.)
A. all AP, controller, and MSE administrator credentials
B. the names, locations, IP addresses, MAC addresses, etc. for every AP, controller, and MSE in the WLAN
C. a layout of the rack that the equipment is installed
D. results of the coverage audit performed with the site survey mapping tool
E. the number and type of all WLAN clients and tags
Answer: A,B
Q6. An engineer is assigned to provide wireless coverage in a provincial capital building. Due to the age and historic nature of the building, the ability to run new copper Ethernet cable to desired AP locations is limited. Which requirement should the engineer specify to overcome this restriction?
A. Deploy access points where the survey indicates and connect them via fiber optic cable, using a mediaadapter, and locally provide power.
B. Deploy access points to each phone location converting two spare pairs of copper from the phone line toEthernet and locally provide power.
C. Deploy access point devices where limited cable can be run or exists and connect high- gain antennas andincrease Tx power to increase cell size.
D. Deploy RAP where limited cable can be run or exists, and extend coverage using MAP.
Answer: D
Q7. When conducting a wireless survey at a customer facility, signal attenuation in an area that is surrounded by thick glass walls is noted as 2dB. When configuring Cisco Prime Infrastructure, which obstacle should be placed in a map editor to represent the impact the glass wall will have on the RF signal in the facility?
A. heavy door
B. thick wall
C. glass
D. light wall
Answer: D
Explanation: Reference: http://www.cisco.com/c/en/us/td/docs/wireless/prime_infrastructure/1-2/configuration/guide/pi_12_cg/maps.html Table 6-4
Q8. An engineer must perform a survey where the target client devices range from standard
Wi-Fi-equipped laptops, consumer handhelds and tablets, and low power tracking tags limited to 12 mW Tx power. With which setting should the survey AP be configured?
A. local power 11
B. local power 5
C. local power 14
D. local power 8
Answer: B
Q9. Which two steps are associated with the active portion of the audit when a post-installation audit is performed with an auditing tool such as Ekahau? (Choose two.)
A. Check for co-channel interference by standing near an access point on one channel and watching for other access points that are on the same channel.
B. Verify smooth roaming.
C. Check to see if the signal level on other access points that are heard on the same channel is at least 19dBm weaker than the access point that you are next to.
D. Check that all channels are supported by the APs, regardless of client capabilities.
E. Verify that the network traffic of physical data rate and packet loss meets user requirements.
Answer: B,E
Q10. A network engineer is configuring QoS with a DSCP value of 46. To which queue must the CoS be mapped for priority queuing of the voice frames?
A. 1
B. 2
C. 5
D. 4
E. 3
Answer: C
Q11. An engineer receives a digital image scanned from the floor plans of a facility to be surveyed for wireless survey and imported it into Air Magnet Pro. However, the document contains no scale. Which action can the engineer take to most accurately calibrate the size of the floor plan in Air Magnet?
A. Mark the length of a hallway, then count the ceiling tiles, multiply that number by 2 and enter that value.
B. Zoom in and mark across a hallway, then count the floor tiles across that hallway and enter that value.
C. Zoom in and mark a doorway, then size it at 3 feet because most doorways are 36 inches.
D. Mark the entire longest dimension of the floorplan, then use Google Earth to measure the correspondingoutside dimension and enter that value.
Answer: D
Q12. An engineer is configuring an autonomous AP for RADIUS authentication. What three pieces of information must be known to configure the AP? (Choose three.)
A. BVI IP address
B. group name
C. RADIUS IP address
D. PAC encryption key
E. username and password
F. shared secret
Answer: A,C,F
Q13. A customer has a business-critical voice network and wants to be alerted whenever voice clients move out of a coverage area and experience RSSI below -67 dBm on the 5 GHz band. Which option can be configured on the wireless controller to alert network administrators when this limit is surpassed?
A. EDCA; voice optimized
B. SIP voice sample interval
C. 802.11a voice RSSI coverage threshold
D. traffic stream metrics
Answer: C
Q14. An engineer is assigned to replace an older data-grade autonomous wireless network with a Cisco controllerbased 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 customer’s requirements?
A. Implement the wireless network with the restraints and decrease the TPC neighbor threshold to increase Txpower to provide overlapping cell coverage at sufficient SNR to provide for Voice over WLAN service.
B. Implement the wireless network with the restraints and utilize high-gain antenna to provide overlapping cellcoverage at sufficient SNR to provide for Voice over WLAN service.
C. Inform the customer that the network will not likely function as desired and a post install survey with thepossibility of some new cable would be recommended.
D. Inform the customer that it is not possible to provide coverage and quality for Voice over WLAN usingexisting AP locations and an entire overbuild will be necessary.
Answer: C
Q15. An engineer is conducting a location readiness test and wants a selected point to be considered location-ready. Which three possible configurations reflect the minimum number of APs needed? (Choose three.)
A. One AP is resident in each quadrant surrounding the point-in-question.
B. One AP per 1400 sq. ft. on the map.
C. Two APs are resident in each quadrant surrounding the point-in- question.
D. Four APs are deployed on the floor.
E. Three APs are within 70 feet (21 meters) of the point-in- question
F. Three APs are deployed on the floor.
Answer: A,D,E
Explanation:
A point in a WLAN deployment is location ready if the following are all determined to be true:
At least four access points are deployed on the floor.
At least one access point is found to be resident in each quadrant surrounding the point-in- QUESTION NO:. At least one access point residing in each of at least three of the surrounding quadrants is located within 70 feet of the point-in-QUESTION NO:.
Reference:
http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Borderless_Networks/Unified_Access/CMX/CMX_LocFund.pdf
Q16. An engineer must design wireless coverage in thick-walled stairwells. Which information should the engineer refer to when determining where APs can be installed?
A. Local or National Building Code
B. IEEE
C. BICSI TDMM
D. Cisco Hardware Installation Guide
Answer: D
Q17. As part of a wireless site survey in a hospital, an engineer needs to identify potential Layer 1 interferers. In which three areas is the engineer most likely expect to find sources of 2.4 GHz and 5 GHz RF noise? (Choose three.)
A. emergency room
B. magnetic resonance imaging
C. laboratory
D. X-ray radiography
E. Gamma Knife radiation treatment
F. kitchen
Answer: A,C,F
Q18. A Cisco 7925 phone at a client’s 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?
A. H.245
B. H.323
C. MCGP
D. SCCP
Answer: D