Network Management Strategies for the CIO
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What is the role of a network administrator?
Learn the differences and job duties of network and system administrators in this expert response.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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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What does a subnet do?
Learn about the role of the subnet in a network, including switching and packet recognition.
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What is a genetic algorithm and where can I learn more about them online?
Learn about genetic algorithms as well as where to find online resources for understanding them.
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What's the difference between VPN pass-through and multi-tunneling?
Learn why multi-tunneling is better than VPN pass-through and how IPsec plays a role from an expert.
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Minimum and maximum Ethernet frame sizes
In this Q&A, our network administration expert addresses Ethernet frame sizes, as well as minimum and maximum sizes of Ethernet frames that carry IP and ICMP.
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Will 25b army school help me get a job or CCNA certified?
Find out if 25b army school will prepare you for the CCNA exam or help you get a career.
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How does IPv6 subnetting work in LAN and VLAN network design?
Learn the differences between IPv4 and IPv6 addressing and subnetting for local area network (LAN) and virtual LAN (VLAN) design in this expert advice.
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What's the difference between the two CCNA certification tracks?
Find out which test track you should take when getting CCNA certification in this expert response.
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When preparing for the CCNA exam, are print or online study sources best?
Learn what sources to look at when preparing for CCNA certification in this expert response.
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Pros and cons of integrated appliances
Integrated appliances incorporate storage, processing and networking into one single product. But are they always a good choice?
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Provisioning IT services with the cloud
Using public cloud services requires diligent enterprise IT management of the cloud provider to make it a success.
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Should you ever not use a firewall?
There are many new network security devices on the market today. Expert Chris Partsenidis opines on whether these can replace firewalls.
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