The certifications are targeted to the specific technologies and products. Cisco 640-460 IIUC Implementing Cisco IOS Unified Communications and Cisco CISSP Certified Information Systems Security Professional are designed for WAN specialist. Today the most important and career enhancing certification exams includes the Microsoft MCITP 70-453, EMC E20-540 Networked Storage, mcts 70-640 and Microsoft mcts 70-445 certification exams.

Here’s my list of 100 plus Social Bookmarking Sites:

www.beemylink.de
www.1-lesezeichen.de
www.100zakladok.ru
www.2centsnews.com
www.a1-webmarks.com
www.actualtopics.com
www.addyx.com
www.affilimedia.com
www.agentb.com
www.alltagz.de
www.b24.poel-tec.com
www.backflip.com
www.bd-khobor.com
www.bibsonomy.org
www.bio-bookmarks.de
www.blinklist.com
www.blogstr.net
www.bobrdobr.ru
www.booki.at
www.bookmark.evanzo.net
www.bookmarks.fr
www.buddymarks.com
www.business-planet.net
www.buzzingtopics.com
www.cellphonenews2.com
www.chipmark.com
www.chipmark.com
www.clipclip.org
www.contentfetcher.org
www.de.digitalsoul.com
www.de.lirio.us
www.delicious.com
www.demos.kubelabs.com/PHPDug/
www.designfloat.com
www.dewfun.com
www.dig.gr
www.digg.com
www.digitalsoul.com
www.dropjack.com
www.dzone.com
www.easydatafeeds.com/social
www.easymash.com
www.emodrama.com
www.expert-views.info
www.faito.ru/tags
www.fashionablylatent.com
www.fav-man.de
www.favelicio.us
www.faves.com     www.coolstreaming.us/iptv/
www.feedelize.com/ca/
www.folkd.com
www.furl.net
www.getigadget.com
www.gogurl.com
www.h00ligan.de
www.hdpornfeeds.com
www.healthranker.com
www.ho.tli.st
www.hugg.com
www.i-bookmark.info
www.indianpad.com
www.indiareporting.com
www.iphonigg.com
www.jackhumphrey.com/imnews/
www.joomocracy.com
www.joseluispretto.com
www.jumptags.com
www.kirtsy.com
www.klickts.de
www.koolontheweb.com
www.korica.info
www.kozete.com
www.laflink.com
www.leenks.com
www.lieblnk.de
www.linkagogo.com
www.linkarena.com
www.linktagger.com
www.listible.com
www.marlat.de
www.messija.net.ru
www.metalz.info
www.mister-wong.com
www.mixx.com
www.mms.dreamhosters.com/links
www.moemesto.ru
www.mouse-network.net/bookmarks/
www.multiply.com
www.mylinkvault.com
www.mytwopence.net
www.myvmarks.com
www.newblogs.ru
www.newstube.de
www.okenoretro.flashnukers.com/scuttle
www.paie.cn
www.pligg.de
www.pluggos.com
www.politigg.co.uk
www.politigg.us
www.postonfire.com
www.propeller.com
www.psychoticape.uni.cc
www.qiel.com
www.rambhai.com
www.realestatebookmarks.net
www.realestatevoices.com
www.reddit.com
www.ruspace.ru
www.savoie-actualites.fr
www.scottishinnbloomingtonin.com
www.searchles.com
www.seedz.org
www.simpy.com
www.slashdot.org
www.sloger.net
www.smallbusinessbrief.com
www.smi2.ru
www.smilestory.ru
www.social-bookmarks.software-www.solutions-juergens.com
www.socialogs.com
www.sphinn.com
www.spurl.net
www.stumbled-on.com
www.suptoronto.com
www.surfurls.com
www.tabletpccounter.com
www.tagzswap.de
www.taxonomies.info
www.tecnoclon.com.ar
www.the-bookmarks.com
www.theseotree.com
www.toodoo.ru
www.tooligo.de
www.topstumbles.com
www.tumblr.com
www.twinprime.net
www.twitter.com
www.upmod.net
www.weblinkr.com
www.webmaster911.com
www.windows-software.info
www.wolkenkratzer24.de
www.xeeoo.com
www.xixxi.de
www.zapiz.com