100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
CWNA Questions and Correct Answers the Latest Update $19.49   Add to cart

Exam (elaborations)

CWNA Questions and Correct Answers the Latest Update

 3 views  0 purchase
  • Course
  • CWNA
  • Institution
  • CWNA

At which layers of the OSI model does 802.11 technology operate? Data Link and Physical Which Wi-Fi Alliance certification defines the mechanism for conserving battery life that is critical for handheld devices such as bar code scanners and VoWiFi phones? A. WPA2-Enterprise B. WPA2-Per...

[Show more]

Preview 4 out of 124  pages

  • November 7, 2024
  • 124
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CWNA
  • CWNA
avatar-seller
TestTrackers
#Examify | #OnlineExams | #TestPrep | #StudyResources | #AcademicSuccess |
#ExamPreparation | #QuizTime | #LearningTools | #Education | #StudentSupport




CWNA Questions and Correct Answers
the Latest Update
At which layers of the OSI model does 802.11 technology operate?


✓ Data Link
✓ and
✓ Physical



Which Wi-Fi Alliance certification defines the mechanism for conserving battery

life that is critical for handheld devices such as bar code scanners and VoWiFi

phones?

A. WPA2-Enterprise

B. WPA2-Personal

C. WMM-PS

D. WMM-SA

E. CWG-RF


✓ WMM-PS



Which of these terms can best be used to compare the relationship between

two radio waves that share the same frequency?

A. Multipath

B. Multiplexing

C. Phase
Examify | Smart Grades | Latest update

,#Examify | #OnlineExams | #TestPrep | #StudyResources | #AcademicSuccess |
#ExamPreparation | #QuizTime | #LearningTools | #Education | #StudentSupport

D. Spread spectrum


✓ Phase



A bridge transmits at 10 mW. The cable to the antenna produces a loss of 3 dB,

and the antenna produces a gain of 20 dBi. What is the EIRP?

A. 25 mW

B. 27 mW

C. 4 mW

D. 1,300 mW

E. 500 mW


✓ 500 mW

✓ 10/2=5
✓ 5x10x10=500



dBi is an expression of what type of measurement?

A. Access point gain

B. Received power

C. Transmitted power

D. Antenna gain

E. Effective output




Examify | Smart Grades | Latest update

,#Examify | #OnlineExams | #TestPrep | #StudyResources | #AcademicSuccess |
#ExamPreparation | #QuizTime | #LearningTools | #Education | #StudentSupport

✓ Antenna gain



What are some possible effects of voltage standing wave ratio (VSWR)?

(Choose all that apply.)

A. Increased amplitude

B. Decreased signal strength

C. Transmitter failure

D. Erratic amplitude

E. Out-of-phase signals


✓ Decreased signal strength
✓ Transmitter failure
✓ Erratic amplitude



When installing a higher-gain omnidirectional antenna, which of the following

occurs? (Choose two.)

A. The horizontal coverage increases.

B. The horizontal coverage decreases.

C. The vertical coverage increases.

D. The vertical coverage decreases.


✓ The horizontal coverage increases.
✓ and
✓ The vertical coverage decreases.



Examify | Smart Grades | Latest update

, #Examify | #OnlineExams | #TestPrep | #StudyResources | #AcademicSuccess |
#ExamPreparation | #QuizTime | #LearningTools | #Education | #StudentSupport

802.11ac VHT radios are backward compatible with which IEEE 802.11 radios?

A. 802.11 legacy (FHSS) radios

B. 802.11g (ERP) radios

C. 802.11 legacy (DSSS) radios

D. 802.11b (HR-DSSS) radios

E. 802.11a (OFDM) radios

F. 2.4 GHz 802.11n (HT) radios

G. 5 GHz 802.11n (HT) radios

H. None of the above


✓ 802.11a (OFDM) radios
✓ and
✓ 5 GHz 802.11n (HT) radios



Which IEEE 802.11 amendment specifies the use of up to eight spatial streams

of modulated data bits?

A. IEEE 802.11n

B. IEEE 802.11g

C. IEEE 802.11ac

D. IEEE 802.11s

E. IEEE 802.11w




Examify | Smart Grades | Latest update

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller TestTrackers. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $19.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75323 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$19.49
  • (0)
  Add to cart