• Cost-effectively securing wireless
  • Is VPN from wireless or WPA/WEP more secure?
  • What could be causing my poor network connection?
  • Why can I only get DHCP data from the FastEthernet interface and not the Ethernet interface with my
  • What's the most popular hardware for wireless?
  • Can you guide me on how to write a test case?
  • Could you explain how to improve network performance through Direct Memory Access, Shared Memory Ada
  • Why am I unable to access network drives upon establishing VPN connectivity?
  • How can I allow wireless access to the Internet and disallow access to my intranet?
  • If I power cycle the Cisco 2600, what information regarding the running configuration
  • Is there any way to gain access to privileged exec mode without power cycling the router?
  • Could you explain the characteristics and principles of operation of a Layer 3 switch?
  • How can I connect to my VPN to access Outlook and stay away from Webmail?
  • Is shielded twisted pair cable categorized just like unshielded twisted pair cable?
  • How do I restrict users on my LAN from using MSN and Yahoo! messengers and other similar services?
  • What is involved in a network audit?
  • How can I block a client's MAC address in a Windows 2000 environment?
  • OSI layers are layers of server software or server hardware?
  • Are there any active equipment manufacturers considering the Tera connector as a standard interface?
  • How do I find the parameter definitions for the formulas used in finding network utilization?
  • Why do we get CAT6 Return Loss failures when the cable is installed in floor boxes that show signs o
  • Why is it useful to use both a physical and a logical network design?
  • What are the minimum and maximum sizes of an ICMP packet?
  • When a user is unable to access certain Web pages, what is the first thing I should do to try to loc
  • My XP laptop suddenly can't obtain a DHCP address. What could be the problem?
  • Network development planning
  • What is your take on MPLS and its effect/importance on VPNs and overall corporate WAN efficiency/sec
  • VLAN connectivity trouble between sites
  • How do I check the speed of my network using a small VB application?
  • Can you explain the procedure for creating a de-militarized zone in PIX Firewall?
  • Is it possible to set my router up to get 3MB of throughput from an Ethernet port using both of my t
  • What is the best setup when replacing hubs with new switches?
  • How can I add a static, persistent route to my Windows 98 PC?
  • How can I configure my router so that if one of my two DSL lines goes down, the other line will take
  • Why isn't the neighborship of VLAN 102 showing in the neighborship table?
  • What is the difference between an error and a bug?
  • What is the difference between managed and unmanaged switches?
  • How can I create Pix boxes that send messages to my syslog on the routers?
  • Which Layer 2 switching functions increase available bandwidth?
  • Where can I find information about purchasing directly from Cisco?
  • How can I move/copy the settings from my configuration into the start-up configuration on my Cisco 3
  • How can I check and prevent a DOS attack on my ISA proxy server?
  • IPv6 deployment in Africa
  • Setting up trust relationships
  • TCP/IP headers
  • RPC shutdown
  • How can I download critical updates (Windows 2000) from the Internet to the company's intranet witho
  • Are there are any active equipment manufacturers considering the Tera connector as a standard interf
  • Is there a way I can relay my changing IP to my Web site so I can view it from there?
  • What would you recommend with the goal of building a new network?
  • How can I configure WebVPN using a Cisco VPN Concentrator?
  • What is a good low end cost VPN router?
  • Error code 721
  • What is maximum distance to a hub or any device and what are the maximum PCs for a network?
  • How can we increase our VPN connection speed?
  • Have you heard anything about the new Nortel WLAN 2210 and 2211?
  • When should I use 802.11a versus 802.11g?
  • Is there any RFC based testing requirements for MPLS VPNs?
  • I'm having trouble using the movianVPN Client an iPAQ with a Cisco Aironet NIC card to a Cisco 3000
  • Can you tell me a bit about future perspectives and plans on VPN technologies?
  • Is there any mechanism or software through which I can monitor how much we are uploading and downloa
  • Access Point coverage maps
  • Will wireless affect my body?
  • Can I use CAT5e instead of plain CAT5? Are they interchangeable?
  • Troubleshooting a 802.11g adapter
  • Remote office users complain that characters don't immediately appear on the screen when they type o
  • Are IP NAT Traversal and VPN Passthrough the same thing?
  • Is it possible to set up a VPN Endpoint router behind my ISP's router?
  • What are the top 10 VPN clients in use today?
  • When I visit some Web sites that display your IP address, it correctly identifies mine and not that
  • I have a few questions after attending your webcast on Essential Certifications for Network and Syst
  • How much do the CCIE exams cost?1
  • How and where does one get training/education to become a network engineer?
  • What is the basic difference between Layer 3 switches and Layer 3 routers?
  • Can you recommend a programming assessment document that deals with the options of migrating from an
  • I have read that WiMax is going to revolutionize network access for companies and residences. What's
  • Does any one keep track of non-standard terminology?
  • Can you tell me who the vendors are for CAT 7 bulk cabling 1000 meters rolls?
  • How can I block Internet radio using a Cisco router and a PIX firewall?
  • I want my four remote locations to be able to dial any one main office and after doing data transfer
  • How would I go about configuring a switch or something to provide redundancy?
  • I have a Cisco router and I want to monitor my bandwidth. Do you know of any software that gives you
  • Some of my workstations don't show workgroup computers. I have to assign IPs dynamically. Any idea w
  • Why do ordinary modems only support up to 56 kbps whereas DSL working on same infrastructure provide
  • How can I configure the ISA server and VPN server especially the NIC IP setting?
  • Are there are any VPN clients for Mac OS X that support L2TP?
  • What is the difference between an IPsec tunnel and a normal tunnel, and what is the bandwidth of eac
  • Would you please elaborate on an apparent contradiction on EAP FAST?
  • Is it possible to determine the NIC speed of a remote workstation on my LAN?
  • I'd like to network a few computers together, but off of the main network. Is that possible?
  • Is it possible to assemble packets into a file before reaching its destination?
  • What is TDMA, FDMA and CDMA?
  • What is the history of Domain Name Server (DNS) and how does it work?
  • What is 'layered architecture' in computer networks?
  • What are the characteristic of HDLC protocol?
  • How long is a bit?
  • VoIP requirements and benefits
  • How can I see who is using the most of our Internet bandwidth over our LAN?
  • What are the types of firewalls and which one is best?
  • Can you suggest some good Web sites on networking in general?
  • More