Network Management Strategies for the CIO
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Can you create a persistent wireless connection to a wired LAN?
Can you create a persistent wireless connection to a wired LAN? Find out from our wireless networking expert, Lisa Phifer.
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Should I CCIE certify or get voice/security Cisco certifications?
Is it better to complete an expert Cisco certification, like CCIE, or to focus on hot tracks like security or voice? Our expert responds here.
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Understanding VLAN implementation and IP address assignment
Learn how to create and configure a VLAN in this response from a network administration expert
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What should I know before implementing a packet sniffer?
Before implementing a packet sniffer learn what you need to know before putting one into your network and where it should go.
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To practice for my CCNP, what's the best simulator?
What should you use to practice on for your CCNP exam? Find out the best simulator from our Cisco certifications expert.
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Cisco Certified Internetwork Expert (CCIE) prerequisites and average earnings
Our Cisco certification expert, David Minutella, explains what the Cisco Certified Internetwork Expert (CCIE) requires of you and what the average earnings are, in this Ask the Expert response.
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Does WAN optimization work when compression's enabled on host devices?
Will WAN optimization work when compression is enabled on host devices? Our expert explains how WAN optimization can be combined to deliver significant performance improvements on pre-compressed tr...
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Can 802.11 protocols be used with GPRS connectivity?
Can 802.11 protocols be used with GPRS connectivity? Find out from our wireless networking expert, Lisa Phifer.
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Next generation wireless local area networks'(WLANs) important features
What are the most important features to look for in a next generation wireless local area network (WLAN)? Lisa Phifer explains in this expert response.
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My wireless laptop connectivity disconnected once I downgraded my OS
Lisa Phifer shows you how to regain wireless laptop connectivity after switching operating systems (OS) in this step-by-step expert response.
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What is NAT, and how do I know if it's taking place on my network?
In this Q&A, our expert explains the basics of NAT (Network Address Translation), where it occurs, and what it does.
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Will WPA2-PSK keep wireless networks safe from war drivers?
Will WPA2-PSK keep wireless networks safe from war drivers? Find out from network security expert Michael Gregg.
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How to train intrusion detection systems (IDS)
Learn how to train your intrusion detection systems (IDS) from network security expert Michael Gregg.
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What are a TV tower's effects on your network?
How will being next to a TV station tower affect your network? Find out in this expert response.
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Differences between Internet Connection Sharing (ICS) and bridging
Learn the difference between Internet Connection Sharing (ICS) and bridging between two NIC cards from networking fundamentals expert Chris Partsenidis.
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How to know if you're connecting to fake or real access points (APs)
With a wireless LAN hotspot, how do you know if you're connecting to a fake or real access point? Find out in this expert response with Lisa Phifer.
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How to debug poor WLAN performance
Find out what the most important causes of poor WLAN performance are in this expert response with our wireless networking guru, Lisa Phifer.
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Is time-to-live (TTL) thrown out in IPv6?
Why is there time-to-live (TTL) in IPv4 but not in IPv6? Find out in this expert response.
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Why IPv4 and IPv6 don't do fragment reassembly in routers
Learn why IPv4 does not do fragment reassembly at the next router and why this is even more important in IPv6.
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Where can I meet CCNA and CCNP candidates?
Find out where you can network with other CCNA and CCNP candidates in this response from our Cisco certification expert, David Minutella.
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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