Network technologies and trends:

March, 2011

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March 30, 2011  7:20 AM

Cisco Network Academy has enrolled its 1 millionth student

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

  According to Cisco, Cisco Network Academy has enrolled its 1 millionth student for the first time. The Cisco Network Academy offers the program in partnership with educational institutions, government administrations and community based organizations globally and delivers information and...

March 27, 2011  5:46 AM

What is IP SLA?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

 When you are preparing for Cisco CCNP- Switch Exam, IP SLA is one of the key topics included at quite later stage even surprised David Hucaby the author of the title "CCNP Switch Official Certification Guide"  Even he included the supplementary material for the "CCNP Switch Official...


March 23, 2011  6:13 AM

Telnet by default disabled in NX-OS devices

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

  As I am working with Nexus 7000, Nexus 5000 and 2000 Series Switches, I discovered by default  Telnet Server is disabled in a NX-OS devices such as Nexus 7000, Nexus 5000 and 2000 Series Switches. We all know Telnet protocol enables TCP/IP connections to a host. Telnet allows a user at...


March 16, 2011  7:13 AM

Preparing for Cisco CCNA Certification – Great opportunity to attend Essentials of CCNA webinar

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

  For all those folks working hard to achieve Cisco CCNA Certification, one of the most recognized certification in the IT Industry, good news is here. The Cisco learning Network is conducting a 90-minute webinar which highlights the technologies and topics an individual will need to know to...


March 16, 2011  6:00 AM

Whether to disable Flash for the time being?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

  Perhaps it's better for the time being to disable the flash. According to the Adobe Security Advisory (APSA11-01) post  there is a critical vulnerability exists in Adobe Flash Player 10.2.152.33 and earlier versions (Adobe Flash Player 10.2.154.18 and earlier for Chrome users) for Windows,...


March 12, 2011  6:18 AM

CCNP – Switch Key Topics 1 – Spanning tree loop guard

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

  When you are preparing for the CCNP Switch (642-813) or BCMSN exam (642-812) there are quite a few topics which are important not only from the perspective of passing  the  "Implementing Cisco IP Switched Network" exam or...


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