Ask the Experts
Ask the Experts
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What is the difference between a router and an access point/hub?
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How do I connect a new 16-port switch to an existing hub?
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MAC address tutorial
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Basics on subnet masks and IP addresses
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Guidelines for designing a LAN
Before you start designing a network, you must identify what the company needs are. This guide will help you through the process and make sure you don't overlook any important details. Continue Reading
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Which transmission media are the most secure?
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G723.1 basics
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How much time is needed to configure a fresh router?
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What is difference between show flash and show flash all commands?
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What is the difference between Digital Microwave technology vs. 802.11b?
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Thesis guide involving wireless and networking
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Lesson on half/full duplex communications and hubs and switches
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What is the maximum length of a cable in a local LAN set up?
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Is there a minimum length for a CAT5 patch cable?
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Can't map a drive - what port should I open?
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Cisco router configuration for VoIP
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Do all 802.11b/g access points use Time Division Duplex
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Implementing VPN with access points (and sources for free VPN clients)
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How do you eliminate the risk of spoofing?
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Is panel antenna the same as patch antenna?
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What are the pros and cons of enabling reverse DNS?
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How is voice bandwidth traffic calculated?
In this expert answer, find out how bandwidth traffic is calculated. Continue Reading
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What is functional parallelism?
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What is the maximum bandwidth utilization to avoid congestion?
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What is the difference is between low-density vs. high density in relationship to switches?
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How can I find out who owns an IP address?
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Do I need a crossover cable for an uplink port?
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What does ASR% mean?
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What are the uses of sub interfaces on a Cisco router?
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Can I just pick and use any DNS server on the Internet?
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VLAN alternatives and solutions
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OSI Crash Course 101
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Preventive maintenance' procedures for WANs
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Can a wireless router 802.11g be used with dial-up connection?
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Is 2.4 GHz affected by rain more than 5.6 GHz?
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How do I add a second IP address range to the interface0/0?
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L2TPv3 tunneling compared to MPLS
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What requirements should I put on my list for our enterprise network monitoring requirements?
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Network is too slow running our latest ERP application
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What are the key features of SMS?
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What is fragmentation? How is it handled in IPv4 and IPv6?
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What is a "Latent Network"?
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What is dual band in WLAN?
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Calculating link speed
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How can I prevent looping between switches?
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Connecting two or more networks
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Can't contact or find server using the domain name
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Using SSL to secure wireless LAN traffic
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Broadcast a message to clients from the server
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Electromagnetic radiation and wireless access points
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Becoming a Wi-Fi service provider
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Diagnosing packet loss
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Is SIFS shorter than DIFS?
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Change the speed of network card from 100/10/half/full duplex
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Range of IP addresses, DNS servers and points of contacts
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Are two antennas better than one?
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Best practices for end-to-end testing
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What is the difference between wired and wireless access points?
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Best IP addressing scheme for inter-networked organizations
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What's the difference between logical segmentation and physical segmentation performed by a router?
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Moving from a flat network to a subnetted network
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What is a CPE device?
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How many devices can a point to multipoint wireless bridge connect?
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Why is 802.11 called 802.11?
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What is the most popular type of topology?
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What is static paging?
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Differences between IPX and SPX protocol
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Maximum segment length
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Can I route between two subnets using a layer 3 switch?
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Which is more beneficial, a router and a firewall or a router with a built in firewall?
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Adding a wireless access point to my current network
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VLAN breakdown strategy
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Configuring Internet connection sharing (ICS)
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Baseband vs. broadband signalling
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Frame IP
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Packet interval times and probabilities
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Hamming code
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Connecting different types of PBXs together
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What is the bandwidth occupied by Telnet or a browser?
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Does VPN use TCP/IP?
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Replace your hub with a switch
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Voice over Frame Relay
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Bridge device and gateway
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Are my Microsoft credentials out of date?
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Which is harder - CCNA or MCSE?
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Standard for bandwidth utilization over WAN circuit
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Interframe spacing in wireless network
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Ethernet and Token Ring
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When is H.323 or SIP used?
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Inter-connection of Ethernet and token ring
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Defining another default route on core router
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CHAP vs. PAP: What's more secure?
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Is it more difficult for women entering networking field
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Difference between network engineering and network administration
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Define a network ID