CCNA Voice 640-461 Official Cert Guide
Jeremy Cioara, CCIE No. 11727; Mike Valentine, CCNA, CCNP, CCVP
Copyright© 2012 Pearson Education, Inc.
Published by:Cisco Press800 East 96th StreetIndianapolis, IN 46240 USA
All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without written permission from the publisher, except for the inclusion of brief quotations in a review.
Printed in the United States of America
Ninth Printing: March 2015
Library of Congress Cataloging-in-Publication Data
Cioara, Jeremy. CCNA voice official exam certification guide / Jeremy Cioara, Mike Valentine. p. ...
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