最新的CWDP Wi-Fi Design認證 CWDP-305考試題庫

問題1

Four buildings are located in a square orientation to each other. Fisch Stix Food Company is requesting a PtMP link between the buildings. On the building with the root bridge link, what type of antenna is the best choice?
Response:

A. Vertically polarized omni

B. Horizontally polarized omni

C. Parabolic dish

D. 60° yagi

E. 100° sector

正確答案: E

問題2

How much more power can a 1 Mbps 802.11b signal have than a 54 Mbps 802.11g signal if it is sent through a saturated amplifier?
Response:

A. 2 dB

B. 5 dB

C. 2 dBm

D. 5 dBm

正確答案: B

問題3

What happens when you double the channel width (for example, use channel bonding) in a BSS?

A. Lower noise and lower SNR at the receiver

B. Higher noise and higher SNR at the receiver

C. Lower noise and higher SNR at the receiver

D. Higher noise and lower SNR al the receiver

正確答案: D

問題4

When designing a new WLAN infrastructure you also need to be aware of now the network is physically deployed and now the network is logically configured What are two documents that are helpful In this case?

A. Bill of Materials and Blueprints

B. Blueprints and Network Closet Locations

C. Network Diagrams and Network Closet Locations

D. Hold Harmless and Network Diagrams

正確答案: C

問題5

What are the two types of WLAN discovery/scanning?
Response:

A. Hidden

B. Active

C. Passive

D. Probe

E. Manual

F. Automatic

正確答案: B,C

問題6

As an implementation engineer, you have just received initial design specs from a network designer for your dual-band 802.11n deployment. The network design documents prescribe the following data rate configuration for the 2.4 GHz radio:
Basic Rates 5.5, 6, 11, 12 Mbps
Supported Rates 9, 18, 24, 36, 48, and 54 Mbps as well as MCS 0-15
What will result from this design strategy?

A. By disabling support for 1 and 2 Mbps while allowing 5.5 and 11 Mbps, the network will force 802.11b clients to use these higher data rates.

B. Protection mechanisms will always be in use on this network to support 5.5 and 11 Mbps as basic rates.

C. This configuration violates the IEEE specification that defines 6, 12, and 24 Mbps as mandatory data rates for 802.11g/n.

D. HR/DSSS (802.11b) stations will not be able to associate to the service set.

正確答案: A

問題7

A business traveler from North America is in Europe. The hotel only provides coverage in 2.4 GHz. The traveler connects to the hotel's SSID and notices an AP in the hotel room. However, the laptop reports a very low RSSI when connected. The traveler does not have the same problem when connecting in the lobby. What would be the most likely cause of the low RSSI in the hotel room?

A. The AP in the room is using Bluetooth instead of Wi-Fi.

B. The AP in the room is transmitting on channel 13 and the traveler associated to a non-channel 13 AP located elsewhere.

C. The AP in the room is using ZigBee instead of Wi-Fi.

D. The switchport that the AP is connected to is only capable of transmitting at 10 Mbps.

正確答案: B

問題8

What is the purpose of Friis transmission equation [ (LdB) = 20 log(d) + 20 log (f) - 27.55 ]?

A. Calculate the loss experienced between the intentional radiator and antenna

B. Calculate earth bulge to determine minimum antenna height

C. Calculate receive sensitivity for an 802.11 radio/antenna pair

D. Calculate RF path loss in free space

正確答案: D

問題9

Four buildings are located in a square orientation to each other. Fisch Stix Food Company is requesting a PtMP link between the buildings. On the building with the root bridge link, what type of antenna is the best choice?
Response:

A. Vertically polarized omni

B. Horizontally polarized omni

C. Parabolic dish

D. 60° yagi

E. 100° sector

正確答案: E

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