\documentclass[a4paper,11pt]{exam}

\usepackage[help,H=3mm,S.6]{makebarcode}
\usepackage{marginnote}
\usepackage{graphicx}
\usepackage{tikz}
\usepackage{ctable}
\usepackage{float}
\usepackage{hyphenat}
\usepackage{amsmath}
@@ENCODING-DECLARATION@@

\newcommand*\mycirc[1]{\tikz[baseline=(char.base)]{{\small
  \node[shape=circle,draw,inner sep=1.5pt] (char) {#1};}}}

\raggedbottom



\pagestyle{headandfoot}
\firstpageheader{@@COURSE_NAME@@}{@@EXAM_TITLE@@}{@@EXAM_DATE@@}
\runningheader{@@COURSE_NAME@@}{@@EXAM_TITLE@@}{@@EXAM_DATE@@}
\firstpagefooter{}{}{}
\runningfooter{\textbf{@@STUDENT_NAME@@}}{}{Page \thepage\ of \numpages}

\begin{document}

\begin{center}
\fbox{\fbox{\parbox{5.5in}{\centering
  This is a multiple-choice examination.\par
  All questions have equal weight.\par
  Circle the letter (A, B, C or D) next to your chosen answer.\par
  If you do not choose an answer, one will be selected for you at random.
}}}
\end{center}
\vspace{0.1in}
\makebox[\textwidth]{Examination paper for:\enspace\textbf{@@STUDENT_NAME@@}}
\vspace{0.1in}


\newlength{\questionwidth}
\setlength{\questionwidth}{\linewidth}
\addtolength{\questionwidth}{-1cm}

\clearpage

\begin{questions}

@@QUESTIONS@@

\end{questions}
\end{document}