Network technologies and trends:

Networking


April 29, 2011  4:29 PM

Ten top popular and paying Cisco Certifications-part1



Posted by: Yasir Irfan
(CCIE R&S), CCDA, CCDP, CCNP voice, Cisco Catalyst Switches, Cisco Certifications, Cisco Certified Design Associate, Cisco Certified Design Professional, Cisco Certified Internetwork Expert Routing & Switching, Cisco IP Telephony Design Specialist, Cisco network design concepts, Cisco Routers, Cisco Unified Communications Manager, Cisco Unified Presence applications, Cisco Unity Connection, converged network infrastructure, Data Center, Designing and Networking, gatekeepers, gateways, Global Knowledge, IP multicast, IP Phones, IP telephony, IT salary survey, LAN, network management, Network technologies & trends, popular Cisco Certifications, QOS, routed, Security, switched network infrastructure, TechRepublic, Ten top popular and paying Cisco Certifications, voice applications, WAN

Recently Global Knowledge and TechRepublic partnered to create a comprehensive IT salary survey. The survey revealed few surprises especially when it comes to Cisco Certification, I thought it would be a great to compile popular Cisco Certifications and their associated pay.  No doubt CCIE...

April 27, 2011  8:03 AM

What happened to Cisco’s Flip video camera?



Posted by: Yasir Irfan
Cisco News, Cisco Systems, closure of Flip, Flip video camera, Network Technologies and Trends, Pure Digital Technologies, Umi home telepresence

In 2009 Cisco acquired Pure Digital Technologies was not the brave move, eventually it led to back away from the consumer market by the closure of Flip as part of restructuring. Cisco is expected to reduce its headcount by 550 workers. May be a better idea for Cisco Systems to concentrate on its...


April 27, 2011  7:40 AM

Major cyber-attacks on critical infrastructure expected?



Posted by: Yasir Irfan
Centre for Strategic and International Studies, critical electricity infrastructure enterprises, Cyber crime, Cyber espionage, DDoS attacks, In the Dark: Crucial Industries Confront Cyber-attacks, IT security executives, Malware, McAfee Incorporation, Network Technologies and Trends, Oil and gas industries, security measures

A report called ‘In the Dark: Crucial Industries Confront Cyber-attacks', produced by McAfee and the Center for Strategic and International Studies (CSIS) has revealed that 40% of 200 IT...


April 26, 2011  5:00 AM

The war of Smartphones, next version of iPhone?



Posted by: Yasir Irfan
Android, Android platform, Apple, Apple event, Apple's supply chain, Blackberry, faster processor, Foxconn, HP TouchPad, iPad, iPhone 4, iPhone 5, Microsoft, music-related product, Network technologies & trends, next version of iPhone, of components suppliers, Playbook, Reuters, Smartphone, tablets, Windows 8, Windows 8 tablet, Wintek

Since its arrival Android is giving a tough time for Apple, plenty of new tablets invented working on Android platform; never the less, Blackberry with its Playbook is expected to do well at least at Enterprise level, HP TouchPad seems to give a tough fight as well. Microsoft is working on Windows...


April 25, 2011  5:10 AM

DNS Queries in Windows 2008 R2 Server fails – Part 2



Posted by: Yasir Irfan
ADSM, Blade servers, Cisco ASA, Cisco PIX 525, Cisco PIX 525 firewall, default DNS inspection policy-map, DMZ zone, DNS forwarder, DNS Queries, DNS Queries in Windows 2008 R2 Server, DNS Queries in Windows 2008 R2 Server fails, Internal Network, Internet, internet IP address, ISP, Network technologies & trends, PAT, Servers, Syslog, Windows 2008 R2 Server

In my previous post I was talking about the DNS query problem we were facing with Windows 2008 R2 server. The solution is quite simple. Immediately I started monitoring...


April 24, 2011  5:36 AM

DNS Queries in Windows 2008 R2 Server fails – Part 1



Posted by: Yasir Irfan
Blade servers, Cisco PIX 525 firewall, DMZ zone, DNS forwarder, DNS Queries, DNS Queries in Windows 2008 R2 Server, DNS Queries in Windows 2008 R2 Server fails, Internal Network, Internet, internet IP address, ISP, Network technologies & trends, PAT, Servers, Windows 2008 R2 Server

In our new Data Center we added new HP Blade servers and installed Windows 2008 R2 on those servers. Our Servers are connected inside our network behind a Cisco PIX 525 firewall. We are looking to resolve all our DNS queries for the external network using a DNS IP address provided by our ISP which...


April 20, 2011  5:16 AM

Cisco Systems launches new appliance, Cisco Identity Services Engine (ISE)



Posted by: Yasir Irfan
accounting, allowing authentication, authorization, Business-relevant policies, Cisco Identity Services Engine (ISE), Cisco Systems, Cisco TrustSec solution Cisco TrustSec® solution, Context-aware enforcement, Flexible architecture, Identity Services Engine 3315, Identity Services Engine 3355, Identity Services Engine 3395, Network, network infrastructure, policy-based service, SecureX architecture, Software/virtual machine, Systemwide visibility

Cisco Systems new appliance Cisco ISE: Identity Service Engine , which can be deployed as an appliance or a Virtual machine basically designed to help Organizations to gain enterprise wide visibility...


April 14, 2011  9:45 PM

CCIE Service Provider v3.0 Exams Released



Posted by: Yasir Irfan
aggregation and edge technologies, CCIE, CCIE Exam, CCIE Service Provider, CCIE Service Provider v3.0 Exams Released, Cisco Learning Network, Cisco Systems, IP core technologies, remote access technologies, Security, traversing, updated v3.0 CCIE Service Provider written and Lab exams, video, Voice

According Cisco they will release an updated v3.0 CCIE Service Provider written and Lab exams in all testing location worldwide and the v2.0 exam will retire simultaneously. CCIE Service Provider aspirers willing to take exam on or after April 18th 2011 should expect to be tested on the...


April 12, 2011  12:36 PM

Cisco Learning Labs Provide Hands-On Training



Posted by: Yasir Irfan
CCNA, Cisco, Cisco Authorized Learning Partners, Cisco CCIP®, Cisco CCNA ®, Cisco CCNP®, Cisco Certifications, Cisco IOS® Software on UNIX, Cisco Learning Network Store, Cisco Systems, ebay, GNS3, GNS3 topologies, Multiple labs, Network Technologies and Trends, real Cisco hardware, self-study, simulators, Switching

  Whenever you are preparing for the Cisco CCNA ®, Cisco CCNP®, and Cisco CCIP® certifications especially when you are doing a self-study the major concern is lab experience to answer the simulated questions. Often many of us end up looking for real Cisco hardware from eBay, as most of the...


March 27, 2011  5:46 AM

What is IP SLA?



Posted by: Yasir Irfan
CCNP, CCNP 642-813 Exam, CCNP Switch Official Certification Guide, Cisco CCNP- Switch Exam, Cisco IOS, Cisco IOS devices, Cisco IOS IP Service Level Agreement, Cisco Routers, Cisco Switches, Cisco Systems, David Hucaby, DNS, http.ftp, IBM SNA Native Echo, ICMP Echo Path, ICMP Ping, icmp-echo, IOS version 11.2, Network technologies & trends, patch-echo, path-jitter, Performance Routing, Response Time Responder (RTR), Service Assurance Agent (SAA), Switching, tcp-connect, udp-echo, udp-jitter, · What is IP SLA?

 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...


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