What is a straight-through cable, a cross-over cable and a roll-over cable?
Are you familiar with Microwave products (Motorola) and their relationship to Cat 5/6? Specifically, do you know the usable distance for a Cat 6 cable from a microwave antenna to the power adapter?
What is the advantages of fiber optic cabling compared to unshielded twisted pair (UTP)?
How do you charge per pull for media twist drops. Is per foot or per qty. of drops industry best standard?
Is there a way to physically attach a PC to an AS400 so that I can communicate between the 2 via client access?
I would like to know if I can buy something to convert an ethernet plug to a phone cord plug
I'm looking to refurb our aging datacenter (approx 1000U) and am looking at our cabling. Our finances are limited so budget is our main concern. Basicly we are at the point of having 25 racks layed out in a 5x5 grid with all aircon and power in place but now need to run our network cables. What is...
What's the difference between Ethernet cable and Patch cable? And what does "straight-through" mean? Thanks
I need to build a network for a building that has a couple of floors and several hundred computers. what are patch panels and how are they used with switches to connect computers to the network and the wiring closets on each floor together?
Hi, One of my colleagues has a Dell Latitude D510 running Windows XP. When connected to our LAN, the laptop is unable to obtain an IP address. When I view the network card in Device Manager, it appears to be installed and working correctly. The NIC is a Broadcom 440x 10/100 Integrated Controller....
We have a problem where some users will complain of slow application response time (on the LAN) from our ERP server, but others will be fine. After many hours of troublshooting I've discovered the following: - Packet Sniff's of affected users shows TCP Retransmissions because the Checksum is...
Hi Guys, I am doing my Masters in Networks and Distributed Systems. Currently I have 2 months vacation in hand and want to do CCNA in that time. Need help on whether it is good idea?? Will it help my Masters?? Masters in Networks and Distributed Systems with CCNA is a good combination?? Will the...
Hello All; If I'm configuring multiple VLANs on a Layer 3 switch (HP) do I have to setup static routes or will the switch learn them automatically? Also if I have multiple VlAN's on the Layer 2 switches that connect to the Layer 3 do I have to setup port trunking in order for traffic to be able...
I have a server 2003 with 2 nics internal 192.168.10.1 255.255.255.0 no gateway 192.168.10.5 DNS external 10.1.10.5 255.255.255.0 10.1.10.1 gateway 68.87.76.178 dns Internal nic handles the DHCP 192.168.10.150-190 it has the scope options with the gateway 10.1.10.1 that is the comcast modem....
My office runs a normal LAN. The company has recently purchased the building next door, and we want to extend the LAN into this building using a wireless link. To achieve this, we have purchased 2 Netgear WPN802 wireless access points. The Netgear website has a step by step guide to configuring...
Hello : i need to know the deffirence between managed and unmanageged switch. if i use managed switch will that pose overhead on my network performance, could it reduce my internet connection speed on that switch. Best regards
Hello, We have several Dell Optiplex GX520's on the network running Windows XP pro. They randomly fall into sleep mode. Moving the mouse will not wake them - you have to push the power button to get them out of sleep mode. Also we are not able to remotely wake them to do patch updates or remotely...
Does any one know of any goof Intrussion detection system boxes which are not crazy expensive and support up to 1GB lines.
I am rather new to IP phones, and have a fairly simple question to ask about cabling. I am the IT person for my small company (20 users). Do I need to run new cat 5 cabling to each office if we get IP phones? Or is there some way we can use our existing cabling structure (it's all cat 5)? As an...
We are a company where we have expirience on network remote administration and now we have open a new area, The area of security. Now I need to start to make new procedures like when a new customer come to us and ask if we can handle the security for his network... I need to know if some one can...


