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\title{DT154G -- Nätverksteknik B\\
Homework 2 -- History repeats itself}

\author{Förnamn Efternamn\footnote{%
  E-post: \href{mailto:studentid@student.miun.se}{studentid@student.miun.se}.
}
}
\date{\today}

\begin{document}
\maketitle

\section*{The Overhaul}
\label{sec:Introduction}
This homework assignment is part of the second half of the course Network
Technology B.

The following grading criteria applies:
\begin{math}
  F < 50\% \leq Fx < 60\% \leq P
\end{math}
with no question awarded zero points.

\section{Reading instructions}
Homework 2 covers the second half of the course Network Technology B. You should
therefore have read \cite[Ch 1-9]{2014cnc}, and attended or read the lectures
from the second part of this course in order to be able to answer all the
questions. You can however finish part of this homework assignment after each
covered chapter in the course.

\section{Tasks}
This section contains the tasks of this homework assignment.
\label{sec:Tasks}
\begin{questions}
  \question 
  What makes PPP still such a highly used protocol is its
  flexibility. 
  \begin{parts}
    \part[3] Explain about the layered arcitecture of PPP.
    \begin{solution}
      %Your answer
    \end{solution}
    \part[2] Since it is a bit booring to just speak of PPP itself, mention to
    the interviewer about PPPoE and when mention at least one reason why you
    would like to run this.
    \begin{solution}
      %Your answer
    \end{solution}  
  \end{parts}

  \question[3] Frame-relay itself is not a particularly used datalink-protocol
  any more. However there are some concepts related to Frame-Relay that is still
  spoken about in other contexts as well, such as Access rate, Committed
  Information Rate and Data Bursting. Explain these concepts to the boss.
  \begin{solution}
      %Your answer
  \end{solution}
  \question Two very common techniques for delivering internet connection to the
  public is by using the existing infrastructure at hand. The telephone cables
  in our homes usually supply us with a \emph{bandwidth between 3 kHz to 1 Mhz.}
  This bandwidth is then usually \emph{divided into 256 channels, where each channel
  is 4 kHz.}
  \begin{parts}
    \part[2] If we use a modulation of 15 bits per baud, how much data in bps can we
    transfer on one channel?
    \begin{solution}
      %Your answer
    \end{solution}
    \part[2] How many channels do we need to get a 10 Mb/s downstream
    connection?
    \begin{solution}
      %Your answer
    \end{solution}
    \part[1] How come it is not always possible to reach these speeds?
    \begin{solution}
      %Your answer
    \end{solution}
  \end{parts}

  \question When we take a step up in the TCP/IP model and land on the network
  layer there are some interesting problems that we should adress.
  \begin{parts}
    \part[2] Explain to the boss why NAT is needed. Be as objective as you possible
    can about this subject, it can be a sensitive area.
    \begin{solution}
      %Your answer
    \end{solution}
    \part[2] Explain CGNAT, what are the advantages and the disadvantage. Explain why we need it.
    \begin{solution}
      %Your answer
    \end{solution}
  \end{parts}

  \question IPv6 is a hassle to write, luckily in \cite{rfc5952} they have
  addressed this issue. Following the recommendations in this rfc, rewrite the
  following IPv6 addresses.  
  \begin{parts}
    \part[1] 0AA7:0000:0000:0Fe8:1432:9999:0000:0000
    \begin{solution}
      %Your answer
    \end{solution}
    \part[1] FeeD:aBBa:dead:1eeF:s000:0000:0000:7654
    \begin{solution}
      %Your answer
    \end{solution}
    \part[1] 0000:0000:fE81:0000:0000:0000:0000:0001
    \begin{solution}
      %Your answer
    \end{solution}
    \part[1] 1234:4321:0000:DECA:F0ca:fe00:0012:AAa1
    \begin{solution}
      %Your answer
    \end{solution}
  \end{parts}

  \question Before when we needed a connection between two branches, we had to
  get a private WAN-link. Now a days we can suffice with just a public internet
  connection.
  \begin{parts}
    \part[1] List the different types of VPNs mentioned in the CCNA-curriculum.
    \begin{solution}
      %Your answer
    \end{solution}
    \part[1] When it is suitable to use them?
    \begin{solution}
      %Your answer
    \end{solution}
  \end{parts}

  \question[2] 
  Draw a picture that shows all the components of SNMP and how they relate to
  each other.
  \begin{solution}
   %Your answer
   %\begin{figure}
   %  \includegraphics[width=\textwidth]{IMAGE PATH}
   %\end{figure}
  \end{solution}
\end{questions}

\section{Submissions}
\label{sec:submission}
Before submitting, make sure that your solutions follow the criteria given in
\prettyref{sec:Examination}.
Your solutions to all the numbered questions must be submitted in
\emph{PDF-format}. 
\bibliography{../../literature}

\end{document}
