Network Management Strategies for the CIO
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What are the functions of ASN.1 and BER?
View this link provided by our routing and switching expert to find out the functions of ASN.1 and BER.
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Can you convert a Layer 3 switch to Layer 2?
See how a Layer 3 switch can convert to a Layer 2 switch, in this expert response.
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How do I switch from Telecom to Global System for Mobile communication (GSM)?
Learn how to start a Global System for Mobile communication (GSM) career with your Telecom experience, in this expert response from our training and certification expert, Ed Tittel.
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What is layered defense approach to network security?
Learn what the layered defense approach to network security is in this expert response.
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What are TCP Wrappers? How do they work?
Network security expert, Puneet Mehta, explains TCP Wrappers and how they work in this Ask the Expert.
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What is FEC in MPLS?
Learn what Forwarding Equivalence Class (FEC) is and how it works with Multiprotocol Label Switching (MPLS).
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How can I secure VoIP conversations using free softphone?
Can you secure VoIP conversations using free softphone? Find out from our network security expert.
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Must my server's wireless card have a static IP address?
Are you able to reach the server but not the Internet over the server's wireless uplink? Find out if your server's wireless card needs to have a static IP address in this expert response.
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Are high-gain antennas needed on both AP and client sides?
See if you need a high-gain antenna on both the AP and client side to boost wireless range and signal quality. Wireless expert Lisa Phifer elaborates on the metrics and reasoning.
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How are TCP/IP and HTTP related?
Understand how TCP/IP and HTTP protocols are related in this networking fundamentals expert response.
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Frame relay, ATM, and Gigabit Ethernet pros and cons
Frame relay, ATM, and Gigabit Ethernet have pros and cons for basing network infrastructure off of, according to our networking fundamentals expert.
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How do you check if TCP/IP is installed on the system?
Understand the TCP/IP stack and how to check if it is installed on your system in this networking fundamentals expert response.
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How to build a database server farm using different topologies
Learn how to build a database server farm using different topologies, from network fundamentals expert Chris Partsenidis.
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Are there non-vendor specific certifications for VoIP?
To obtain a VoIP related certification, does it have to be from Cisco to be worthwhile? Find out from certification expert Ed Tittel.
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Will phasing in new Cisco devices interfere with network performance?
Wireless expert Lisa Phifer explains how phasing in new Cisco devices might nterfere with network performance while your system continues to run.
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How do we control who gets our wireless network's free Internet access?
Learn how to control access to your wireless network's free Internet.
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How valuable is a CWNA?
Learn how to sell yourself in the job market and see how valuable a CWNA may be in the world of IT.
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Assessing WAN connectivity, identifying latency for centralized application access
When assessing the WAN connectivity network learn to identify latency and low response times for centralized application access from WAN optimization expert Dr. Hughes.
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To renew my CCNP, which exam should I take?
Learn what test you need to take to renew your CCNP from Cisco certification expert David Minutella.
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Which Cisco certification focuses on unified communications?
Is there a good future in unified communications, and are there Cisco certifications focusing on this? Find out in this expert response.
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BYOD security: Which VPN is best for you, IPsec or SSL?
By 2016, 40% of the workforce will be mobile. IPsec VPNs are being widely discussed for BYOD security. But should we also be talking about SSL VPNs?
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Why should you care about SDN?
Expert Jim Damoulakis weighs in on the potential of software-defined networking, or SDN, and why you should care.
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Can you really have security, convenience and BYOD?
Employee-owned devices can seriously undermine security. But bring your own device is probably here to stay. So what should IT do?
Submit a question to our experts