GHZ Guides d'étude, Notes de cours & Résumés

In the 2.4GHz range, what distance between the center frequencies (in megahertz) is required for two channels to be considered nonoverlapping for HR/DSSS? - correct answerBB?? Why is a 2.4 GHz RF signal able to propagate through a section of drywall and be received at a higher signal strength than a 5 GHz RF signal when they are both transmitted using the same transmit power? - correct answer2.4 GHz signals have a longer wavelength. Note: Not only do lower frequencies propagate farther du...

N10-008 FINAL EXAM 2024/25 #1 Topic 1 A systems administrator needs to improve WiFi performance in a densely populated office tower and use the latest standard. There is a mix of devices that use 2.4 GHz and 5 GHz. Which of the following should the systems administrator select to meet this requirement? A.802.11ac B.802.11ax C.802.11g D.802.11n - ANSWER B #2 Topic 1 Which of the following would be BEST to use to detect a MAC spoofing attack? A.Internet Control...

WGU D337 Internet of Things (IoT) and Infrastructure Exam Prep (Latest 2024/ 2025) Questions and Verified Answers| 100% Correct| Grade A Q: Network of hundreds of thousands of interconnected computers, servers, routers, switches and fiber optic cables that allow vital infrastructures to work Answer: Cyberspace Q: Technologies that generate, store and process data as fixed numbers; binary digits or bits in the form of 0's and 1's Answer: Digital Q: Combinations ...

BNSF Telecom 1 Exam Questions with Correct Answers VHF - Low and High range Very High Frequency - Answer-Low is 30 to 50 MHz High is 150 to 300 MHz UHF - Ultra High Frequency - Answer-300 MHz - 3 GHz Super High Frequency - SHF - Answer-3-30 GHz Extremely High Frequency - EHF - Answer-30-300 GHz Legacy Band - Answer-25 kHz wide channel Very Narrowband - Answer-6.25 kHz wide, digital Narrowband - Answer-12.5 kHz wide analog What is dB and how much power is it - Answer-dB...

2.1.5 Practice Questions Management has decided to purchase new notebook systems for the users in the marketing and sales departments. After conducting a needs assessment, they have determined that the new systems must meet the following requirements:  The systems must be joined to the organization's existing Active Directory domain.  Application restrictions must be implemented with AppLocker.  Whole disk encryption must be implemented with BitLocker.  The notebooks must sup...

What is the IEEE of Bluetooth? - Answer- 802.15 WPAN What is WiMAX and it IEEE? - Answer- -Worldwide Interoperability for Microwave Access -IEEE 802.16 WWAN In cellular broadband there are two types of cellular networks, what are they? - Answer- Global System for Mobile (GSM) and Code Division Multiple Access (CDMA). GSM is internationally recognized, while CDMA is primarily used in the US. Typically, it is used by rural homeowners and businesses where cable and DSL are not available....

NCTI Final Exam: Progression Field Tech 5- 6 Exam| 2023/ 2024 Update | Verified Questions and Solutions 1. What encryption key is a good solution when a RADIUS server is too complicated, but unique credentials are required for each user?  Answer: Per-user pre-shared key (PPSK) might be a good solution when a RADIUS server is too complicated, but unique credentials are required for each user. 2. Controllers can be accessed with a web browser by typing in their IP address.  Ans...

25-pair color code White - Blue, orange, green, brown, slate Red - Blue, orange, green, brown, slate Black - Blue, orange, green, brown, slate Yellow - Blue, orange, green, brown, slate Violet - Blue, orange, green, brown, slate Fiber color code Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet, Rose, Aqua NVP Nominal Velocity of Propagation Insertion loss The difference in the amount of power received before and after something is inserted into the circuit. Resist...

32-bit operating system An operating system based on 32-bit commands that can address 32-bit memory locations. 3D printing A fabrication process, also known as additive manufacturing, in which three-dimensional products are created by adding thin layers of material on top of each other. 3G (third generation) An old cellular networking technology that was popular in the 1990s and early 2000s; replaced by 4G. 4G (fourth generation) A generation of cellular technology that ...

32-bit operating system -ANSWER An operating system based on 32-bit commands that can address 32-bit memory locations. 3D printing -ANSWER A fabrication process, also known as additive manufacturing, in which three-dimensional products are created by adding thin layers of material on top of each other. 3G (third generation) -ANSWER An old cellular networking technology that was popular in the 1990s and early 2000s; replaced by 4G. 4G (fourth generation) -ANSWER A generation of cellular ...