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% Document information
\title{Other Protocol Questions}
\author{ECEn 526 \\ Wireless Networking}
\date{April 6, 2022}


% Header and footer
\lhead{Other Protocol Questions}
\chead[]{}
\rhead{ECEn 526: Wireless Networking}
\runningheadrule

\lfoot[]{}
\cfoot{\thepage}
\rfoot[]{}
\footrule


% Define words for score table
\vqword{\textbf{Question}}
\vpgword{\textbf{Page}}
\vpword{\textbf{Points}}
\vsword{\textbf{Score}}
\vtword{\textbf{Total:}}



\renewcommand{\solutiontitle}{\noindent\textbf{Answer:}\par\noindent}

%%
%% end added
%%

\begin{document}

\maketitle

\begin{center}
  \vspace{1cm}
  \multicolumngradetable{1}[questions]
  \vspace{1cm}
\end{center}

{\large \textbf{Name:} [Put name here]}


\newpage


\begin{questions}


\question[1] How are BLE and WiFi able to coexist on the same spectrum, 2.4 GHz?

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\question[3] What are the two different ways of sending data using BLE? Why would you prefer one method over the other?

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\newpage


\question[2] Why does BLE have particular channels for broadcast/advertisement traffic? Why does WiFi not need this feature?

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\question[3] Give two significant differences between BLE and WiFi. Why do you think BLE differs from WiFi in those ways?

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\newpage


\question[1] Why does BLE organize its data into services and characteristics?

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\question[2] What is M2M? Why is it essential for the future of IoT?

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\newpage


\question[1] How is Zigbee different from 802.15.4?

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\question[2] List two techniques Zigbee uses to provide better range than WiFi.

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\question[1] Why does 802.15.4 provide both a \textit{contention access period} and a \textit{contention free period} when using the beacon method of communication?

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\newpage


\question[1] How is LoRa different from LoRaWAN?

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\question[3] Describe Class A, B, and C of LoRa devices.

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\newpage


\question[1] Why is using ACKs in a LoRa network not always a good idea?

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\question[2] List two techniques LoRa uses to provide better range than WiFi.

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}


\question[2] How does LoRaWAN deal with the same packet being received by multiple gateways? How does WiFi deal with this problem?

\begin{solution}[\stretch{1}]
[Put answer here]
\end{solution}




\end{questions}

\end{document}