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2021 Nov PW0-071 question

Q11. - (Topic 3) 

dBi is a(n) ___________ measurement of gain introduced by ___________? 

A. absolute; an access point 

B. absolute; cables and connectors 

C. relative; an antenna 

D. relative; a radio chain 

Answer: C 


Q12. - (Topic 2) 

Exhibit: 

Identify the wireless radio interface type depicted in the illustration. 

A. Mini-PCIe 

B. Express Card 

C. CardBus 

D. Secure Digital 

E. PCI 

F. USB 2.0 

Answer: A 


Q13. - (Topic 1) 

The two most common modes of WLAN discovery are passive scanning, where a client station listens for _________ frames, and active scanning, where a client sends and receives _________ frames. 

A. Data ; Null 

B. SSID ; Management 

C. Beacon ; Probe 

D. Probe Response ; Broadcast 

E. Discovery ; Control 

Answer: C 


Q14. - (Topic 3) 

What type of protection does a lightning arrestor provide to a Wi-Fi system? 

A. Protection from direct lightning strikes 

B. Prevention of direct lightning strikes 

C. Redirection of transient current due to nearby lightning strikes 

D. Absorption of the energy induced by direct lightning strikes 

Answer: C 


Q15. - (Topic 3) 

ABC Academy is currently using non-802.11 2.4 GHz wireless security cameras. What problem will ABC Academy experience if they deploy Wi-Fi client devices in the 2.4 GHz ISM band? 

A. The Wi-Fi client devices will experience performance degradation due to co-channel interference. 

B. Wi-Fi client devices will create a security hole in the Wi-Fi infrastructure as a protection mechanism. 

C. If the Wi-Fi client devices detect the security cameras, they will move to the 5 GHz band and stop transmitting in the 2.4 GHz band. 

D. The Wireless Network Management System (WNMS) would not be able to manage the APs near the security cameras. 

Answer: A 


Far out PW0-071 test engine:

Q16. - (Topic 6) 

ABC Company's wireless network is configured to hide the SSID in beacons, and allows connectivity only to approved MAC addresses. For encryption and authentication, ABC is using WEP security with a 128-bit key. You have been asked to provide feedback about the strength of their security. You tell ABC Company that _________. 

A. Each currently-used security mechanism is helpful, and the network is secure. 

B. MAC filtering will prevent unauthorized access, but SSID hiding and WEP will not. 

C. MAC filtering and SSID hiding will prevent unauthorized access, but WEP will not. 

D. WEP and SSID hiding will prevent unauthorized access, but MAC filtering will not. 

E. Each currently-used security mechanism is weak, and the network is insecure. 

Answer: E 


Q17. - (Topic 4) 

What statement accurately describes an advantage of manual RF site surveys over predictive site surveys? 

A. Manual site surveys are useful for locating and identifying sources of RF interference, while predictive site surveys are not capable of this task. 

B. Manual site surveys are more efficient than predictive site surveys in large facilities because GPS mapping can be used. 

C. Manual site surveys are more accurate than predictive site surveys because they take advantage of complex computer simulations. 

D. Manual site surveys allow the site surveyor to create a static RF environment, whereas predictive site surveys are subject to changes in the RF environment. 

Answer: A 


Q18. - (Topic 5) 

What is the most likely cause of low throughput on a hotel's guest network? 

A. The 1.5 Mbps Internet connection is creating a bottleneck for the Wi-Fi users. 

B. The user's laptop does not have 54 Mbps data rate enabled. 

C. The strong security methods used with public access networks often cause low throughput. 

D. The user is too close to the servicing access point. 

Answer: A 


Q19. - (Topic 2) 

Given: You are recommending an AP for use in a warehouse environment. Some APs will require directional antennas and others will use dipole antennas. 

What feature must be supported by the APs in this installation? 

A. Multiple SSIDs 

B. Grounding wire connectors 

C. Pole mounts 

D. External antennas 

E. Variable output power 

Answer: D 


Q20. - (Topic 3) 

What two factors are used to calculate the wavelength of an RF wave? (Choose 2) 

A. Frequency 

B. Speed of light 

C. Amplitude 

D. Phase 

Answer: A,B