During a customer walkthrough you notice an area of the CAD drawing where it is not accurate. What next step should you take?
Response:
A. Redraw the portions of the map that have changed.
B. Do not survey that area.
C. Request a new version.
D. Request the survey team to do their best to walk where necessary and use the references on the map.
A customer is acquiring a new VoWLAN system to replace their existing wired phone system. When reading about his system's requirements, you learned that is requires 25 db of SNR to work as expected. After surveying the environment, you discovered that the noise floor is -88 dBm. What should be the minimum RSSI value to meet the system's requirements?
A. -70 dBm
B. -67 dBm
C. -65 dBm
D. -63 dBm
What functions do the control plane of centralized and distributed WLAN architectures help solve?(Choose all that apply.)
Response:
A. Channel reuse plans
B. Mobility management
C. Transmit power
D. Load balancing
What important item is often left out of operational and maintenance plans?
Response:
A. Syslog analysis
B. Network overview
C. Engineering feedback
D. Configuration backups
What part of the 802.11n preamble is used by the receiver to estimate the spatially multiplexed signal channel? What mode is this used in?
Response:
A. HT-STF in Greenfield mode only
B. HT-LTF in Mixed and Greenfield modes
C. HT-LTF in Greenfield mode only
D. HT-STF in Mixed and Greenfield modes
A table of VLANs in a _________ document should include what device performs ________ services.(Fill in the blanks)
A. HLD, routing
B. LLD, bridging
C. LLD, routing
D. HLD, QoS
What is the most suitable antenna option to be used when designing a WLAN infrastructure with APs mounted on a ceiling with a height of more than 20 feet and having all of the client stations used from the floor?
Response:
A. Patch
B. Dish
C. Low-gain dipole
D. Grid
A company wants to connect its headquarters to its remote office that is 13 kilometers away using a wireless bridge. What requirement must not be forgotten by their Wireless Engineer when considering the Fresnel Zone?
A. Earth bulge
B. Antenna gain
C. FSPL
D. Receive sensitivity
What is the purpose of Friis transmission equation [ (LdB) = 20 log(d) + 20 log (f) - 27.55 ]?
A. Calculate earth bulge to determine minimum antenna height
B. Calculate receive sensitivity for an 802.11 radio/antenna pair
C. Calculate RF path loss in free space
D. Calculate the loss experienced between the intentional radiator and antenna
What kind of site survey helps you identify if roaming is working as designed?
A. Passive
B. Predictive
C. Active
D. Spectrum analysis walkthrough
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