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CWNP인증 CWNA-109시험은 IT인증자격증중 가장 인기있는 자격증을 취득하는 필수시험 과목입니다. CWNP인증 CWNA-109시험을 패스해야만 자격증 취득이 가능합니다. Fast2test의CWNP인증 CWNA-109는 최신 시험문제 커버율이 높아 시험패스가 아주 간단합니다. CWNP인증 CWNA-109덤프만 공부하시면 아무런 우려없이 시험 보셔도 됩니다. 시험합격하면 좋은 소식 전해주세요.
| 주제 | 소개 |
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| 주제 1 |
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| 주제 2 |
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| 주제 3 |
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저희 Fast2test는 국제공인 IT자격증 취득을 목표를 하고 있는 여러분들을 위해 적중율 좋은 시험대비 덤프를 제공해드립니다. CWNP CWNA-109 시험을 패스하여 자격증을 취득하려는 분은 저희 사이트에서 출시한CWNP CWNA-109덤프의 문제와 답만 잘 기억하시면 한방에 시험패스 할수 있습니다. 해당 과목 사이트에서 데모문제를 다운바다 보시면 덤프품질을 검증할수 있습니다.결제하시면 바로 다운가능하기에 덤프파일을 가장 빠른 시간에 받아볼수 있습니다.
질문 # 28
What statement describes the authorization component of a AAA implementation?
정답：D
설명：
Granting access to specific network services or resources according to a user profile describes the authorization component of a AAA implementation. AAA stands for Authentication, Authorization, and Accounting, which are three functions that are used to control and monitor access to network resources and services. Authentication is the process of verifying that a user is who he says he is, by using credentials such as username, password, certificate, token, or biometric data. Authorization is the process of granting access to specific network services or resources according to a user profile, which defines the user's role, privileges, and permissions. Accounting is the process of recording and reporting the usage of network services or resources by a user, such as the duration, volume, type, and location of the access. AAA can be implemented by using different protocols andservers, such as RADIUS, TACACS+, LDAP, Kerberos, or Active Directory. References: 1, Chapter 11, page 449; 2, Section 7.1
질문 # 29
Which directional antenna types are commonly used by indoor Wi-Fi devices in a MIMO multiple spatial stream implementation?
정답：B
설명：
Patch and panel antennas are directional antenna types that are commonly used by indoor Wi-Fi devices in a MIMO multiple spatial stream implementation. These antennas have a flat rectangular shape and can be mounted on walls or ceilings to provide coverage in a specific direction. They have a moderate gain and a relatively wide beamwidth, making them suitable for multipath environments where signals can reflect off different surfaces and create multiple spatial streams. Patch and panel antennas can also support polarization diversity, which means they can transmit and receive both horizontally and vertically polarized waves, increasing the MIMO performance. References: 1, Chapter 2, page 72; 2, Section 2.4
질문 # 30
Your manager asked you to locate a solution that allows for centralized monitoring of WLAN performance over time. He wants a single pane of glass for administration and monitoring of the solution. What do you recommend?
정답：C
설명：
The solution that you recommend is an Overlay WLAN monitoring solution. An Overlay WLAN monitoring solution is a system that uses dedicated sensors or probes to monitor the WLAN performance over time. The sensors are deployed throughout the WLAN coverage area and collect data on various metrics such as signal strength, noise level, channel utilization, interference, throughput, latency, packet loss, and QoS. The sensors send the data to a centralized server or appliance that analyzes the data and provides a single pane of glass for administration and monitoring of the solution. An Overlay WLAN monitoring solution can help to detect and troubleshoot WLAN issues, optimize WLAN performance, and generate reports and alerts. References: [CWNP Certified Wireless Network Administrator Official Study Guide:
ExamCWNA-109], page 538; [CWNA: Certified Wireless Network Administrator Official Study Guide:
ExamCWNA-109], page 508.
질문 # 31
You are evaluating access points for use in the 5 GHz frequency band. What PHY supports this band and supports 80 MHz channels?
정답：B
설명：
VHT stands for Very High Throughput, which is a physical layer (PHY) specification that supports the 5 GHz frequency band and supports 80 MHz channels. VHT is used by the IEEE 802.11ac standard, which is also known as Wi-Fi 5. VHT allows for higher data rates and more spatial streams than the previous HT (High Throughput) PHY, which is used by the IEEE 802.11n standard, also known as Wi-Fi 4. HT supports the 2.4 GHz and 5 GHz bands, but only supports up to 40 MHz channels12 The other options are not correct because:
* ERP (option C) stands for Extended Rate PHY, which is a physical layer specification that supports the
2.4 GHz frequency band and supports up to 20 MHz channels. ERP is used by the IEEE 802.11g standard, which is also known as Wi-Fi 3. ERP allows for higher data rates than the previous DSSS (Direct Sequence Spread Spectrum) PHY, which is used by the IEEE 802.11b standard, also known as Wi-Fi 234
* OFDM (option D) stands for Orthogonal Frequency Division Multiplexing, which is a modulation technique that divides a signal into multiple subcarriers that are spaced orthogonally to each other.
OFDM is not a physical layer specification, but a common feature of many PHY specifications, including ERP, HT, and VHT. OFDM allows for higher spectral efficiency and robustness against multipath interference than the previous CCK (Complementary Code Keying) modulation technique used by DSSS34
질문 # 32
What can cause excessive VSWR in RF cables used to connect a radio to an antenna?
정답：A
설명：
Impedance is the measure of opposition to the flow of alternating current (AC) in a circuit. Impedance mismatch occurs when the impedance of the radio does not match the impedance of the antenna or the cable.
This causes some of the transmitted or received signal to be reflected back, resulting in a loss of power and efficiency. The voltage standing wave ratio (VSWR) is a metric that indicates the amount of impedance mismatch in a transmission line. A higher VSWR means a higher impedance mismatch and a lower signal quality. A VSWR of 1:1 is ideal, meaning there is no impedance mismatch and no reflected power. A VSWR of 2:1 means that for every 2 units of forward power, there is 1 unit of reflected power12.
The other options are not correct because they do not affect the VSWR in RF cables. A high gain yagi antenna or a high gain parabolic dish antenna can increase the signal strength and directionality, but they do not cause impedance mismatch in the cable. Radio output power above 100 mW but below 400 mW is within the acceptable range for most WLAN devices and does not cause excessive VSWR in the cable3.: 1: CWNA-109 Official Study Guide, page 77 2: VSWR 3: CWNA-109 Official Study Guide, page 81
질문 # 33
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지금 같은 상황에서 몇년간CWNP CWNA-109시험자격증만 소지한다면 일상생활에서많은 도움이 될것입니다. 하지만 문제는 어떻게CWNP CWNA-109시험을 간단하게 많은 공을 들이지 않고 시험을 패스할것인가이다? 우리Fast2test는 여러분의 이러한 문제들을 언제드지 해결해드리겠습니다. 우리의CWNA-109시험마스터방법은 바로IT전문가들이제공한 시험관련 최신연구자료들입니다. 우리Fast2test 여러분은CWNA-109시험관련 최신버전자료들을 얻을 수 있습니다. Fast2test을 선택함으로써 여러분은 성공도 선택한것이라고 볼수 있습니다.
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