CWNP CWNP Certifications PW0-071 Questions & Answers

• Question 31:

  802.11a operates in the __________ GHz frequency range and uses the ___________ frequency bands.

  A. 2.4, OFDM

  B. 2.4, ERP

  C. 2.4, HR/DSSS

  D. 5, OFDM

  E. 5, UNII

  Correct Answer: E

• Question 32:

  What is used as a relative measurement of signal strength at the receiving client on an 802.11 wireless LAN?

  A. Watt

  B. dBm

  C. RSSI

  D. Milliwatt

  Correct Answer: C

• Question 33:

  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.

  Correct Answer: A

• Question 34:

  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

  Correct Answer: AB

• Question 35:

  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

  Correct Answer: C

• Question 36:

  Which statement best defines SNR?

  A. The difference between the noise floor and a signal's strength

  B. The technology used to detect objects using RF waves

  C. The absolute measurement of signal strength at the receiver

  D. The frequency of the RF signal compared to that of an interferer

  Correct Answer: A

• Question 37:

  Simple antenna diversity mitigates the adverse effects caused by which common Wi-Fi problem?

  A. Hidden node

  B. RF signal absorption

  C. Multipath

  D. Co-channel interference

  E. Polarization

  Correct Answer: C

• Question 38:

  Which Wi-Fi technology simultaneously uses multiple radio chains to transmit or receive data?

  A. High Rate Direct Sequencing Spread Spectrum (HR/DSSS)

  B. Orthogonal Frequency Division Multiplexing (OFDM)

  C. Extended Rate Physical (ERP)

  D. Multiple Input, Multiple Output (MIMO)

  Correct Answer: D

• Question 39:

  In preparation for site surveys, your company is creating a questionnaire that will help you understand your customer's client connectivity requirements. What question is NOT appropriate for your company's presurvey questionnaire?

  A. What applications will be used by Wi-Fi client devices on the wireless network?

  B. How will Power over Ethernet (PoE) be supplied to Wi-Fi client devices?

  C. How many concurrent Wi-Fi client connections are expected on the wireless network?

  D. What types of Wi-Fi client devices will be connected to the wireless network?

  E. What 802.11 physical technology (PHY) will be used by the Wi-Fi client devices?

  Correct Answer: B

• Question 40:

  How do Wi-Fi routers differ from Wi-Fi access points?

  A. Wi-Fi routers are comprised of both a router and an access point within the same hardware.

  B. Wi-Fi routers allow wireless users to connect to a wired network, but Wi-Fi access points do not.

  C. Wi-Fi routers offer advanced security options, but Wi-Fi access points are only capable of basic security.

  D. Wi-Fi routers allow wireless users to talk to other wireless users, but Wi-Fi access points do not.

  Correct Answer: A