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Question 5/51
A natural disaster has occurred in a remote area that is approximately 57 miles from the response team headquarters. The response team must implement a local wireless network using 802.11 WLAN access points.
What is the best method, of those listed, for implementation of a network back-haul for communications across the Internet in this scenario?
What is the best method, of those listed, for implementation of a network back-haul for communications across the Internet in this scenario?
Correct Answer: B
Cellular/LTE/5G is the best method for implementing a network backhaul for communications across the Internet in a remote area that is affected by a natural disaster. This is because cellular/LTE/5G networks are wireless and do not depend on physical infrastructure that may be damaged or unavailable in such scenarios.
Cellular/LTE/5G networks also offer high-speed data transmission and wide coverage area, which are essential for emergency response operations. 802.11 bridging to the response team headquarters is not feasible because it requires line-of-sight and has limited range. Turning up the output power of the WLAN at the response team headquarters is not effective because it may cause interference and does not guarantee reliable connectivity. Temporary wired DSL is not practical because it requires installing cables and equipment that may not be available or accessible in a remote area. References: CWNA-109 Study Guide, Chapter 7: Wireless LAN Topologies, page 2031
Cellular/LTE/5G networks also offer high-speed data transmission and wide coverage area, which are essential for emergency response operations. 802.11 bridging to the response team headquarters is not feasible because it requires line-of-sight and has limited range. Turning up the output power of the WLAN at the response team headquarters is not effective because it may cause interference and does not guarantee reliable connectivity. Temporary wired DSL is not practical because it requires installing cables and equipment that may not be available or accessible in a remote area. References: CWNA-109 Study Guide, Chapter 7: Wireless LAN Topologies, page 2031
- Question List (51q)
- Question 1: An AP is advertised as a tri-band, 4x4:4, Wi-Fi 6, 802. 11ax...
- Question 2: What statement about 802.11 WLAN performance is true?...
- Question 3: A dual-band 802.11ac AP must be powered by PoE. As a class 4...
- Question 4: What cipher suite is specified by the 802.11-2016 standard a...
- Question 5: A natural disaster has occurred in a remote area that is app...
- Question 6: What 802.11 network configuration would result in multiple s...
- Question 7: You are using a site survey tool for post-implementation val...
- Question 8: You were previously onsite at XYZ's facility to conduct a pr...
- Question 9: You are performing a post-implementation validation survey. ...
- Question 10: ABC Company is planning to install a new 802.11ac WLAN, but ...
- Question 11: You are troubleshooting a client issue on a Windows laptop. ...
- Question 12: You are the network administrator for ABC Company. Your mana...
- Question 13: As an RF wave propagates through space, the wave front exper...
- Question 14: What feature of 802.1 lax (HE) is managed with beacon and tr...
- Question 15: A non-802.11 device is suspected of causing interference on ...
- Question 16: A WLAN transmitter that emits a 50 mW signal is connected to...
- Question 17: You are troubleshooting a controller-based AP that is unable...
- Question 18: You have been tasked with creating a wireless link between t...
- Question 19: You are installing an AP to be used by 27 laptops. All lapto...
- Question 20: Which one of the following is not a factor considered when c...
- Question 21: What is an advantage of using WPA3-Personal instead of WPA2-...
- Question 22: A client STA must choose the best AP for connectivity. As pa...
- Question 23: An IEEE 802.11 amendment is in the daft state. What impact d...
- Question 24: What is the final step in an effective troubleshooting proce...
- Question 25: You are attempting to locate the cause of a performance prob...
- Question 26: Three access points are used within a facility. One access p...
- Question 27: Return Loss is the decrease of forward energy in a system wh...
- Question 28: You are evaluating a connection that states the data rate is...
- Question 29: You are using a tool that allows you to see signal strength ...
- Question 30: What statement about 802.11 WLAN bridges is true?...
- Question 31: The BSA of an AP covers the area used by the sales and marke...
- Question 32: Which unit of measurement, as formally defined, is an absolu...
- Question 33: In a mesh BSS (MBSS), according to the 802.11 standard, what...
- Question 34: You are attempting to locate the cause of a performance prob...
- Question 35: In a long-distance RF link, what statement about Fade Margin...
- Question 36: You manage a WLAN with 100 802.11ac access points. All acces...
- Question 37: What ID is typically mapped to an AP's MAC address if a sing...
- Question 38: A POE device requires 47 W of power. What POE specification ...
- Question 39: Which IEEE 802.11 physical layer (PHY) specification include...
- Question 40: You are configuring an access point to use channel 128. What...
- Question 41: What can cause excessive VSWR in RF cables used to connect a...
- Question 42: What primary metric of scanning can stations use to select t...
- Question 43: You are a small business wireless network consultant and pro...
- Question 44: ABC Company is planning a point-to-multipoint outdoor bridge...
- Question 45: When a STA has authenticated to an AP (AP-1), but still main...
- Question 46: In an 802.11n (H T) 2.4 GHz BSS, what prevents each station ...
- Question 47: Which directional antenna types are commonly used by indoor ...
- Question 48: When a client station sends a broadcast probe request frame ...
- Question 49: The center frequency of channel 1 in the 2.4 GHz band is 2.4...
- Question 50: You have implemented an 802.11ax WLAN for a customer. All AP...
- Question 51: What terms accurately complete the following sentence? The I...
