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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?

  • 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.

  • 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?

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Expert Answers

  • How to boost the wireless ranges of laptops

    Learn how to boost the wireless range of a laptop computer so that you can reach the access point of a service provider in this how-to by wireless networking expert Lisa Phifer.

  • What software monitors and locks users from accessing my router?

    Learn which software programs monitors and locks unauthorized users from accessing your router for Internet use in this expert response with our network security expert, Michael Gregg.

  • Can IP addresses of LANs that make up a WAN be the same?

    Our networking fundamentals expert answers whether the IP addresses of different physical locations (LANs) making up a WAN can be the same address. Find out if networks with the same IP address wil...

  • On a full-duplex T1 circuit, what's the bandwidth speed in both directions?

    Find out if a full-duplex T1 circuit splits its bandwidth between the TX and RX directions.

  • Which wireless client vendor will keep my network from disconnecting?

    Learn which vendors provide universal wireless clients for Windows laptops that may address network and Internet disconnects as well as missing profile problems, in Ask the Expert response from Lis...

  • Which wireless network transmits business-sensitive data reliably?

    Our wireless networking expert explains whether WLANs, WWANs or WiMax setups are more reliable and secure for transmitting business critical data to keep enterprise information from being lost.

  • Why do we need IP security at the network layer?

    Learn why IP security (IPsec) is needed at the network layer -- otherwise known as Layer 3, or L3, of the OSI model. Our enterprise networking security guru explains.

  • What power supply problems do 802.11n wireless networks pose?

    The power supply requirements demanded of 802.11n wireless networks won't be affordable for enterprises until the IEEE standard and supporting network hardware are approved and have caught up. Here...

  • What is the role of a network administrator?

    Learn the differences and job duties of network and system administrators in this expert response.

  • Simulators for practicing Cisco's CCNP routing and switching exam

    To practice for the CCNP routing and switching exam our Cisco expert, David Minutella, recommends this simulator.

  • How can I resolve this remote worker's VPN connection problem?

    Our network administration expert explains why this remote worker cannot connect to their company's virtual private network (VPN) through their Linksys router, in this expert response.

  • How can I be sure no one is hijacking or hacking my WAP?

    Learn how to protect yourself from hackers and wireless access point (WAP) hijackers in this advice from our networking expert.

  • Will mixing 802.11g and n APs in the same network cause conflicts?

    Learn how combining both 802.11g and 802.11n access points (APs) affects network behavior, in this expert response.

  • How do I set up multiple VLANs on a single switch?

    Learn how set up VLANs on one switch and replicate them throughout the network in this response.

  • How can I use VLANs and NAT to get around the need for a static IP address?

    Learn how to use a VLAN and NAT to get around static IP address designation problems.

  • Can you connect multiple computers to one printer without a router?

    Find out how to connect multiple computers to one print station in this expert response.

  • How can I get reliable voice data (VoIP QoS) through ISDN circuits?

    Though QoS policies don't work in regards to ISDN, learn how to get reliable VoIP voice data, in this advice from network administration expert Lindi Horton.

  • What correlation does ping latency have with high server activity?

    Our network administration expert explains which metrics provide visibility into what's going on at peak activity levels in order to optimize network performance in this expert response.

  • How each wireless technology differs: Wi-Fi, WiMax and WLANs

    This expert response explains the difference between wireless technologies like Wi-Fi, WiMax and WLANs.

  • What is the main advantage of having a Layer 3 switch over a router?

    In this Q&A, our router expert, Sudhanshu Gupta, talks about the advantages of having an L3 switch over a router.

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