Expert Knowledgebase
Emerging Wireless Technologies (including VoIP) with Carrie Higbie
Can you help me create a device map?
(08 JUL 2005)
I inherited a network that is a total mess. I would like to do a cable plant and device map. Can you give me advice and maybe you recommend a good tool that will make it easier?
Can you please explain to me how satellite ATM networks work?
(08 JUL 2005)
Can you please explain to me how satellite ATM networks work?
What costs I can expect when designing A LAN? How can I keep costs to a minimum?
(08 JUL 2005)
What costs I can expect when designing A LAN? How can I keep costs to a minimum?
What is the difference between VoIP and voice chat used by PCs?
(08 JUL 2005)
What is the difference between VoIP and voice chat used by PCs?
Is there a "rule of thumb" for the number of broadcast packets per second that can be tolerated before most applications/NIC cards will start to experience problems?
(08 JUL 2005)
Is there a "rule of thumb" for the number of broadcast packets per second that can be tolerated before most applications/NIC cards will start to experience problems?
Why when I enable the proxy on my web browser, my download speed is very slow, but when it is not enabled, it is very fast?
(08 JUL 2005)
Why when I enable the proxy on my web browser, my download speed is very slow, but when it is not enabled, it is very fast?
What type of cable should I use to connect my three relatively close locations?
(08 JUL 2005)
I want to link three sites that are 150m and 200m apart. What is the best twisted pair cable for this? How about coaxial cable?
On a busy network what requirements do you suggest for video conferencing, e-mail, shopping cart and images, etc.?
(08 JUL 2005)
On a busy network what requirements do you suggest for video conferencing, e-mail, shopping cart and images, etc.?
Can you suggest software to measure the traffic carried by a local area network?
(08 JUL 2005)
Can you suggest software to measure the traffic carried by a local area
network? Can you direct me to an artificial network traffic generator?
Why do we get CAT6 Return Loss failures when the cable is installed in floor boxes that show signs of water in the conduit?
(10 FEB 2005)
Why do we get CAT6 Return Loss failures when the cable is installed in floor boxes that show signs of water in the conduit? The jacket of the cable has not been compromised so I am curious as to why a damp cond...
OSI layers are layers of server software or server hardware?
(10 FEB 2005)
OSI layers are layers of server software or server hardware?
Are there any active equipment manufacturers considering the Tera connector as a standard interface?
(10 FEB 2005)
I've noticed that Category 7 and the Tera connector are growing in interest here in Australia. Could you tell me whether or not there are any active equipment manufacturers considering the Tera connector as a s...
How do I find the parameter definitions for the formulas used in finding network utilization?
(10 FEB 2005)
Regarding SNMP, how do I find the parameter definitions for the formulas used in finding network utilization? Also, how do I find the current bandwidth used? Finally, how do I convert those ASCII values of ASN ...
Can you guide me on how to write a test case?
(10 FEB 2005)
Can you guide me on how to write a test case?
I can access a university's WLAN with my desktop. Am I stealing Internet access?
(10 FEB 2005)
I can access a university's WLAN with my desktop, which is about two miles away. First, what kind of wireless router are they using, and, am I stealing Internet access? Should I tell them about this? I can also...
Are there practical limitations to 802.1q VLANS?
(10 FEB 2005)
Are there practical limitations to 802.1q VLANS? For instance, is there a limit to the number of MAC addresses? Is there a limit to the number of router and/or switch hops that can separate end users on a sin...
What do you believe are the basic principles when introducing an emerging technology into the market in terms of timing, when to launch and targeting the right IT people for the product?
(10 FEB 2005)
What do you believe are the basic principles when introducing an emerging technology into the market in terms of timing, when to launch and targeting the right IT people for the product?
Can you explain MER Mac encapsulation routing?
(10 FEB 2005)
Can you explain MER Mac encapsulation routing?
What is the difference between SDSL and IDSL?
(10 FEB 2005)
We are a non-profit organization that is located at the Port of Houston and we were told that our location prevents us from using the average DSL and we need to go with SDSL or IDSL. What is the difference betw...
Can you recommend a good network monitoring tool?
(10 FEB 2005)
Can you recommend a good network monitoring tool?
What is a null modem and why is it needed?
(10 FEB 2005)
What is a null modem and why is it needed?
How can I determine how many kbps my network is operating on?
(10 FEB 2005)
I run an Internet cafe with a DSL line of 128kbps, but I am getting the bandwidth only 17kbps. I asked the service provider to give me the proper bandwidth of 128kbps, but they reply that 20 kbps is good enough...
What is a network segment? Is a network segment the same as an Ethernet segment?
(10 FEB 2005)
What is a network segment? Is a network segment the same as an Ethernet segment?
How can I prevent tenants in my office building from getting on to my network with unauthorized wireless devices?
(10 FEB 2005)
I have bonded T1's that come into a location, which I resell to clients in my building. Currently, there is no firewall in place and we hand out IP address's through DHCP reservations. I have users that setup...
How do I add a static route in a Widows NT 4.0 workstation?
(10 FEB 2005)
How do I add a static route in a Widows NT 4.0 workstation?
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