IT Security Consulting
I am a student doing some research on the IT Security Consulting field. I was wondering if I could get a general break down of what the IT Security Consulting field entails and the main services that they offer to companies. Thanks!

Answer Question   |  May 15, 2013  2:43 PM
Consulting, industry, IT, research, Security, student

I need help…please
Hello, I have been given an assignment to write the programs. I really don’t understand anything about CSMA: Using any programming language of your choice including scripting languages write three programs to simulate the functionality of the following three protocols: CSMA, CSMA/CA, CSMA/, CSMA/CD

Answer Question   |  April 10, 2013  7:46 AM
CSMA, CSMA/CD, Java

Chaning subnet scope in DHCP for wireless connections
Hi, How can I make that users on the wireless network gets a different subnet scope 10.0.3.x/24 while people who have wired connections gets 10.0.1.x/24 addresses currently all clients and routers are on the same switch and has same gateway and all of them in the same subnet scope 10.0.1.1-255/24

Answer Question   |  March 6, 2013  4:11 PM
DHCP, Wireless connection

DNS issues
Can I own a domain name indefinitely?

Answer Question   |  February 28, 2013  10:33 PM
DNS, domain names

What about Chinese DWDM products?
Hello all! Nowadays there are quite big offer of DWDM products from different Chinese third-party vendors, who offer separated parts to build a DWDM system using several devices. What do you think about their long-term usability? Have you ever tried them?

Answer Question   |  February 8, 2013  2:34 PM
DWDM, Network, third party

How to run a Wi-Fi router without NAT and DHCP
I need a Wi-Fi router that acts more like a hub. I have a network setup with DHCP server, gateway, etc. I also have a typical Wi-Fi router. The problem is the Wi-Fi router does NAT. It has its own DHCP server and on my network every Wi-Fi connected device has the IP of the [...]

Answer Question   |  February 7, 2013  6:18 PM
DHCP, Wi-Fi, Wi-Fi router

D-link router
How do I recover or get a new password that I forgot?

Answer Question   |  January 14, 2013  5:48 AM
D-Link, D-Link routers

DHCP Address Conflict Issue
Dear Sir, I am Zahid Bhatti from an IT department, I have 2 DSL modem 1st is connected in wired network switch through my computer(Server)enable simple network card sharing,so they can use internet and printer devices over the network every thing was working fine,after I decided to connect a wireless router with wired network because [...]

Answer Question   |  January 2, 2013  10:35 AM
DHCP, DSL modems

Networking
Can I start up an internet cafe but try to ignore a router but instead use a modem and a switch. and if it can be possible, what can I use as my DHCP server

Answer Question   |  December 31, 2012  8:22 PM
DHCP, Networking

Windows Vista & 7
How do I connect Win Vista Business to a domain(Win 2003 Server)?

Answer Question   |  December 10, 2012  3:16 PM
Domain configuration

Windows 2k3 DNS sometimes does not resolve domain properly.
I have a rather vague problem. Sometimes, seemingly at random, certain websites become unreachable. Big sites, like Spotify and Facebook spring to mind. When i restart the DNS server on the Domainconoller they “come back up”. Or, more accurately put are resolved correctly. What could be the problem? I went searching for this on Technet [...]

Answer Question   |  October 31, 2012  4:12 PM
DNS, Windows 2003 Domain Controller, Windows Server 2003

Problem after installing SP1 on Win 2003 SBS
Hi,this weekend i updated the server with sp1 and know i am having problems with the client computers and users when trying to log on the domain. It looks like an DNS problem but i am not sure. I run the DCdiag /test:DNS utility with this results. C:WINDOWSServicePackFilesi386>dcdiag /test:DNS Domain Controller Diagnosis Performing initial setup: [...]

Answer Question   |  October 22, 2012  12:20 PM
DNS, Domain Controller, Logon failure, Small Business Server 2003, Windows Small Business Server 2003

Strange DNS resolution.
Hello. This week one of our AS400 got me all surprised. I do not know what to do, where to look, so I would like to ask here…just in case. On this AS400, among others there are four host table entries. These entries are set to 2.xxx.xxx.xxx addresses. The DNS has 9.xxx.xxx.xxx addresses. Customer does [...]

Answer Question   |  October 11, 2012  4:55 PM
AS/400, DNS, Host table, PTF, TCP/IP

DHCP server blocking existing local network
Hi, I have to configure Mikrotik router v5.0 for my WiFi setup, ehter1 configured as WAN, ether2 configured as LAN which gives (10.0.4.0/23) DHCP segment. when i connect this ehter2 to my existing local network (192.168.10.0/24) all my local systems getting block by the Mikrotik server. system which are connecting through WiFi getting authentication by [...]

Answer Question   |  October 9, 2012  3:29 AM
DHCP server, MIkrotik router, Netgear Smart Switches

DHCP Server
Hello, we have a DHCP server in our LAN and there are about 300 clients in our LAN. We added some computers to our LAN but they could not give IP from DHCP, what is the reason? Thank you for your help…..

Answer Question   |  October 3, 2012  10:49 AM
DHCP server, LAN

diff between adc and cdc
let me know about the differences between additional domain server and child domain server…

Answer Question   |  September 28, 2012  7:32 AM
DNS

How to add Mulitple DNS Suffix
I need to add more than one DNS suffix in (CFGTCP+12) Domain name filed…but it looks,i can only add one suffix…does anybody has any idea in overcoming this limit? Thanks

Answer Question   |  August 20, 2012  10:41 AM
AS400 Command, CFGTCP, DNS, iSeries, Network

DNS IP addresses Disappears
This is a new one for me. A customer reboots their system and is unable to access the domain. So we try to reconnect it to the domain thinking it fell off, but it does not work. Upon further investigation, I check the network settings and both the DNS static IP’s are missing, strange. I [...]

Answer Question   |  April 13, 2012  1:22 PM
DNS, Windows networking

Any way to prevent IP conflicts by plugged in devices?
Hi Guys We have a network with around 80devices, all PC’s are on DHCP however we have some people (mainly engineers) who sometimes come in and plug there laptops in however they forget sometimes they are on DHCP. Question was is there any way to prevent this from happening? not sure if there are any [...]

Answer Question   |  March 12, 2012  12:44 PM
DHCP, DHCP server, IP address

DNS Name server IPV6
Hi, I have two questions 1)Can the same dns server resolve the same dns entry for an IPv4 nad ipv6 address 2)i have a ns record for “www” which points to an ipv4 address. Now if i create a quad a record i.e(AAAA)for an ipv6 address, it gets created without an error but i can’t [...]

Answer Question   |  February 27, 2012  12:29 PM
DNS, DNS Records, IPv6, IPv6 on Windows networks