CWNP CWNP Wireless LAN Certifications PW0-070 Questions & Answers

• Question 211:

  Which of the following are true about a beacon frame?Each correct answer represents a complete solution. Choose two.

  A. It is sent as a reply to a probe request.

  B. It contains the SSIDs that the AP supports.

  C. It works as an associated frame.

  D. It is transmitted periodically to announce the presence of a wireless LAN network.

  Correct Answer: BD

• Question 212:

  Which of the following IEEE 802.11 amendments can use three radio chains per band to transmit data?

  A. IEEE 802.11h

  B. IEEE 802.11g

  C. IEEE 802.11n

  D. IEEE 802.11a

  Correct Answer: C

• Question 213:

  Which of the following types of communication is used by IEEE-11.a, IEEE-11.b, and IEEE-11.g devices?

  A. Full-duplex

  B. Half-duplex

  C. Simplex

  D. Diplex

  Correct Answer: B

• Question 214:

  Two RF signals, shown below, are operating at the same frequency of 2.142 MHz, but with different amplitudes. Which of the following statements is true about these two signals?

  

  

  A. The signal with a higher amplitude (Signal A) has less power than the signal with a lower amplitude (Signal B).

  B. Both signals have the same power.

  C. The power of the two signals depends on the medium through which they are propagating.

  D. The signal with a higher amplitude (Signal A) has more power than the signal with a lower amplitude (Signal B).

  Correct Answer: D

• Question 215:

  You work as a Network Administrator for WebTech Inc. The company has a TCP/IP- based wireless network.The company's management tells you to implement multiple- input multiple-output (MIMO) transmission technology for wireless communication. Which of the following standards supports MIMO technology?

  A. 802.11a

  B. 802.11b

  C. 802.11n

  D. 802.11

  Correct Answer: C

• Question 216:

  Which of the following organizations provides a seal of approval to interoperable devices?

  A. IEEE

  B. FCC

  C. ETSI

  D. Wi-Fi Alliance

  Correct Answer: D

• Question 217:

  Which of the following units measure relative RF power?Each correct answer represents a complete solution. Choose all that apply.

  A. Decibel Relative to a Milliwatt (dBm)

  B. Decibel (dB)

  C. Milliwatt (mW)

  D. Decibel isotropic (dBi)

  E. Decibel dipole (dBd)

  F. Watt (W)

  Correct Answer: BDE

• Question 218:

  In an 802.11b wireless network, which of the following two channels can be used so that there is no interference among the access points?Each correct answer represents a complete solution. Choose all that apply.

  A. Channel 1 and channel 8

  B. Channel 1 and channel 5

  C. Channel 6 and channel 11

  D. Channel 3 and channel 9

  Correct Answer: CD

• Question 219:

  Which of the following is an advantage of using wireless IEEE 802.11g over IEEE 802.11b?

  A. Wireless standard 802.11g has a greater range of distance than 802.11b

  B. Wireless standard 802.11g is easier to implement than 802.11b

  C. Wireless standard 802.11g is faster than 802.11b.

  D. Wireless standard 802.11g supports Windows XP and 802.11b does not.

  Correct Answer: C

• Question 220:

  You work as a Network Administrator for Tech Perfect Inc. The company has a Windows-based network. You have to configure a wireless LAN on your network. Two separate buildings in front of each other are to be connected wirelessly. Which of the following steps will you choose to accomplish the task?

  A. Lay underground fiber optic cable backbone between the two buildings. Configure Ethernet network including network of both building.

  B. Configure one Wireless Access Point (WAP) in each building.Place one outdoor Yagi-Uda antenna in each building facing towards each other.

  C. Configure one WAP in each building.Place one outdoor Omni antenna in each building.

  D. Configure one WAP in each building.Place one outdoor Yagi-Uda antenna in one building. Place one outdoor Omni antenna in the other building.

  Correct Answer: B