• What is 'layered architecture' in computer networks?
• What are the characteristic of HDLC protocol?
• VoIP requirements and benefits
• How long is a bit?
• What is TDMA, FDMA and CDMA?
• What is the history of Domain Name Server (DNS) and how does it work?
• 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?
• How do I control Internet bandwidth per IP on my LAN?
• 802.5 Ethernet vs. 802.3 Token Ring
• What layer of the OSI model does a hub operate at?
• Can you please give some tips on working with VLSM?
• Ethernet throughput
• Is there a way to stop the Microsoft DHCP server from handing out an IP address to unauthorized mach
• Is there any way to define the bandwidth for each user of local network in an ISA server?
• Is it possible to access a computer residing in an ADSL network?
• Could you provide me with details on coaxial cable, fiber optic cable and twisted pair cable?
• Can you recommend some software (free or shareware) to monitor and manage the open ports on my PC?
• Could you compare SONET versus Frame Relay with ATM networks.
• How to configure Cisco PIX 515E to support VPN connections through Microsoft client
• Can you point me to a few big MPLS VPN providers?
• Can features such as VPN pass-through on routers be abused to dump traffic onto a NAT'd LAN?
• Can you tell me what kinds of hardware are software are needed, in addition to traditional LAN equip
• What is the best method for monitoring/reporting on a nationwide WAN without using SNMP?
• Can you explain "route analytics"? How is this different than network management?
• When one reads about the "edge" or the "border" of a network, what does it mean?
• What's the best strategy for merging applications management with the management of my network?
• I'm a recent graduate and took my first job working temporarily -- but wonder if I should actively p
• I am trying to find out where I could get VOIP training in the Chicago area. Any ideas?
• Working on CCNA but I'm wondering if I should instead focus on Linux certifications.
• MCSE or MCSA in Nicaragua
• What are some common security vulnerabilities related to Windows NT?
• SSL VPNs
• I've heard some SSL products such as Netilla can't run some applications. Which do you know that the
• Can SFTP be used as a client (instead of SSH Client software) for transferring data files to a SSH2
• Do you know where I could find out what percent of machines in corporate networks run on switched vs
• Is it possible to send two different Internet connections through the same media converter and same
• If I connect two 5-port switches, do I end up with the same throughput as an 8-port switch?
• How can I generate a packet containing both broadcast MAC and IP addresses?
• Could you explain how calling cards are implemented?
• How do you go about creating DMZs?
• Floating static routes
• Is there a benchmark for the number of servers a security analyst should be supporting through manua
• Which is better if you have to choose -- DSL or cable?
• What is more important in the information security profession - experience, degrees or certs?
• Is it true that if using the "A" standard that the antennas must be built right into the unit and ar
• Pursuing a niche specialization
• What Web sites could give me a better understanding of the CCNA exam?
• Is there a cheap, fast and graphical program that can monitor the ports on my Baystack 450 switches
• We just upgraded our cable to CAT5. I am looking to work with D Link unmanaged switches. Are these
• Moving into network security -- did I make the right choice?
• How do the clients in a WLAN communicate with the AP (Access Point) based on IP in the Network Layer
• If I only know some information measured in a client, such as the speed of one transaction between t
• PDA VPN options
• Troubleshooting Nortel Contivity VPN over a wireless network
• Using PPTP or IPsec VPN tunnels for WLAN security/gateway
• Combining VPN and WLAN technologies
• Do I need to configure routes when setting up WLAN via VPN?
• Can you explain why certain wireless routers will not work with VPN connections?
• Differing IP addresses
• Are packets sent inside frames, or are frames inside packets?
• Should I use a hardware or software VPN?
• How do I enable VLAN grouping in my machine?
• Can you give me some clarification on helper-addresses?
• I want to configure OWA in the most secure setup using a PIX 515. What ports should be enabled?
• I have a PIX 501 firewall. Do you have any idea what I can do to successfully use PDM?
• Do you have any white papers or documentation on security forensics?
• What's the main difference between managed and unmanaged switches?
• How do secondary networks work?
• How can I check for high network utilization on my switched network?
• I am currently interning and working with data and voice. It's interesting. Should I get my Master's
• I'm a LAN admin and I've become interested in Linux. What do you think the future demand for Linux p
• Do you think the HTI+ cert would be a consideration for me? I just completed the NCCER certification
• Are networking jobs being outsourced as much as developer jobs?
• How would CCSP relate to network design and implementation?
• VoIP references and certifications
• We have both wired and wireless networks. Is there a way to set a default?
• Do you have any data showing the benefits of a shielded system to connect wireless access points?
• Why isn't a single fiber optic line transmitting billions of bits per seconds sufficient anymore?
• Can you tell me how to differentiate between quality of cables?
• What are some differences in network cards, aside from the cost?
• What can you tell me about some low cost products like Linksys, D-link, Planet, etc?
• How do I set up a satellite Internet hookup to share between my home and SOHO in buildings 2000 feet
• What is EAP-FAST?
• How do I allocate the bandwidth dynamically in ad hoc network?
• What happens when wireless stations roam?
• Is it possible to run an ATA186 behind a SpeedTouch 510 ADSL Gateway?
• Can you offer me any advice in setting up a small ISP offering a wireless solution?
• Is there such thing as an "install environment" or "system emulator" program for software evaluation
• Restricting access between two LANs
• How do I evaluate the performance of a LAN setup?
• Do simultaneous uploads slow down my downloads?
• Should I configure my computers and server to obtain IP addresses automatically?
• I need one line to provide connectivity to a few servers, and the other to serve as a backup in case
• We have Cisco 3660 routers spanning three networks but the first network can't FTP to the third. Wha
• I need to label all my ports on two 16-port hubs. Is there a way to do this without kicking people o
• What is your view on router simulator programs? Are they an effective way to prepare for Cisco certs
• What are the top five companies that are providing enterprise level WLAN products and solutions?
• Is it possible to restrict wireless network access within a physical boundry?
• More