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Computer Networking

Computer networks are collections of computers which are connected together in order to communicate and transfer information. Questions about computer networks, networking protocols, and how to set them up belong here.

18,810 Questions

How do i install directx 9 because when it installs it always says setup could not download file please retry later or check network connection what do i have to do?

Okay, the normal download for directx 9 doesnt really have directx 9 in it, its supposed to download the files it needs when you run the setup. But it doesnt always work that way.

What you need to do is download the "redistributable" version. The redistributable directx download is intended for software developers to package directx with their products, if their product uses directx that is. This version has everything it needs to install directx even with no internet connection & should work much better for you.

It is linked below. It should be noted that the redistributable directx is often included on PC game install discs. If you have a recent title close at hand, you may look on it for a "directx" or "addon" folder.

What are some good telnet tricks?

open up telnet type o hit enter then type towel.blinkenlights.nl and hit enter HAHA lol there you go star wars ASCII

Cisco secure acs server configuration guide?

Please visit the following URL to access the configuration guide online:

http://www.cisco.com/en/US/products/sw/secursw/ps5338/products_user_guide_chapter09186a0080204d45.html

Santosh Agrawal

Does each computer at a library have a different IP Address?

Yes, all devices on a network must have a unique IP address or you will have an IP conflict and one of the devices will have its network connection disabled.

What is URN protocol in networking?

Urn(uniform resourse name) means it represent the name identity e.g name of person

A technician installed a network adapter in a computer and wants to test the network connectivity the ping command can only receive a response from local workstations what could be the problem?

If you can connect to other computers on the same network, but you can't connect outside the network, the problem is quite often that the default gateway has not been configured correctly.

If you can connect to other computers on the same network, but you can't connect outside the network, the problem is quite often that the default gateway has not been configured correctly.

If you can connect to other computers on the same network, but you can't connect outside the network, the problem is quite often that the default gateway has not been configured correctly.

If you can connect to other computers on the same network, but you can't connect outside the network, the problem is quite often that the default gateway has not been configured correctly.

What is the difference between a Network address and Broadcast address?

When you set up a sub network you decide upon the subnet mask and this determines the network address (all zeros in the subnet portion of the address) and the broadcast address (all ones in the subnet portion of the address). When you assign the host addresses in your subnet, then you use the addresses between the network address and the broadcast address.

Host 1 sent a syn packet to host 2 what will host 2 send in response?

This is used at transport layer of OSI for connection oriented services.

Its three way handshake.

1) SYN

2)SYN-ACK

3)ACK

hence SYN-ACK is the answer.

What type of material used for sheath of underground cable is?

sometimes glass, paper, wood, occasionally some plastics, aliminium and steel.

Do you need to reset your linksys g broadband wireless router if you have moved?

Each router has a reset button located somewhere on the router's body. You need to find it. Different routers use different procedures to reset. For most of them you need to press and hold reset bottom until certain light will start blinking to stop doing so.

What is meant by a 0.0.0.0 network address entry with a subnet mask if 0.0.0.0 in a pc's routing table?

It means the computer is set to get an IP address from a server (called DHCP) and it didn't get one.

What is the mail server for comcast?

Your incoming POP3 mail server is "mail.comcast.net" Your outgoing SMTP mail server is "smtp.comcast.net" Guides for various external mail clients can be found: http://www.comcast.net/help/faq/index.jsp?cat=Email#More___

What will happen next if a cache miss occurs in the level 1 cache in a system with a level 1 and level 2 cache where will the required data be requested from next?

Cache misses move up the chain (or down the chain, if you want to think of it that way). If the information required is not in your L1 cache, then it checks for it in the L2 cache. If it isn't there either, then you need to go out and grab it from main memory.

How do you setup dsl router with wireless router?

You plug your wireless into dsl router (you'll need to configure your router), and then configure your computer to the wireless
Just get a lan cable which is usually ships with wireless routers. Connect one end of the cable in wireless router port which is called wan or intertet. Another end of the cable connect to your modem. Then restart the modem and the router. Sometimes you might need to change settings for internet coneection and DHCP server. But usually it's not required.

How do you check your DNS?

Generally speaking, you'd check to see what setting your computer has for a DNS server.

In Windows XP, click start.....run..... cmd in the prompt <enter>

type ipconfig /all <enter> (notice the space between ipconfig and /all)

Look for the line that says "DNS Servers"

If you use a home router, often times the DNS Server is the same IP address of your home router, like 192.168.1.1 or 192.168.0.1. In either case, your router is acting as a DNS relay or proxy, and you'll need to log into your router to determine what real world DNS server was assigned from the ISP.

A DNS server translates site names into IP addresses.

Example: type www.mcdonalds.com into your browser. You're at mcdonalds site. Close your browser, and reopen it.

Now type 164.109.147.41 into your address bar, and press enter. Also takes you there.