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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

The secure socket layer protocol uses what port?

It depends on what SSL is being used for (HTTP, as in secure web pages; FTP; Telnet; etc.). Below is a non-exhaustive list of various port numbers used for protocols with SSL implemented: * HTTP: Port 443 * FTP (Data): Port 989 * FTP (Control): Port 990 * Telnet: Port 992 * IRC: Port 994 * pop3: Port 995 I hope this was the information you were looking for.

What are disadvantages of slide projector?

Some advantages of using a slide presentation is the ease of use and the ability to maintain eye contact due to the lack of needed handouts. Disadvantages are that slide can oversimplify complex topics and the cost of the equipment needed to run a slide presentation.

What is the purpose of the ipv4 address?

Identify the node in the network.

Every TCP/IP packet contains 2 IP addresses: the sender's IP and the destination IP. These are used for multiple purposes (e.g. routing, handshake protocol management).

One watt 1 Js?

One Watt during one second (Wattsecond) equals one Joule, so one Watthour will be 3 600 Joules.

Answer

You are confusing power (measured in watts) with energy (measured in joules); so you cannot convert between the two. In SI, the watt is a special name given to a joule per second.

In which class is the IP address 102.168.212.226?

This is a class C address. This class ranges from 192.0.0.0 to 223.255.255.255

What is the personal aspect of networking that makes is so effective?

the personal connection between the new person you are meeting and the person who has put the two of you together

What is the work of system administrator?

If taken at face value, there are no problems with being a system administrator. It allows you to change all aspects of the computer, and gives you an all-access pass to most every file on the computer, including other users'. This can be potentially dangerous if you don't know what you're doing. You start poking around, deleting and moving files, and suddenly your computer displays strange error messages. You've become a virus! Seriously, if you don't trust yourself not to mess with files and folders, create a system administrator account (for installing software and messing with other settings) and then create a limited account. Then, only use the limited account. A simpler rule to follow- never move or delete a file you didn't create yourself unless you are ABSOLUTELY sure you know what you're doing or you are SPECIFICALLY told to mess with something (which won't be often).

What is computer network and its types?

From Rachna- Answer to Computer NetworkTo Exchange/ Share Data between two or more computers they are linked together using some mediator which can be cables/ Modem. Two or more computers are Interlinked using cables so that they can access to common data. for example if organisation has laser printer which is costly to be shared between 2 or more computers then thru cables computers are linked to printer so both computer can use that printer. There are various types of network according to geograpical area covered by this networks

These networks are

LAN

MAN

WAN

What are different attenuation factors in optical fiber?

There are three types of attenuation in fibe optics cable.

1). Bending Losses

2). Scattering

3). Absorption

What do i do if a Hacker has your IP address?

Make sure you have a good firewall turned on, and that your computer has all it's updates installed. You might also consider changing your user account password, as well as email and other passwords if you feel that security has already been compromised. Disconnecting from the internet and reconnecting will almost always give you a new address on dialup, but on broadband, it's hard to tell what behavior the ISP has set up for that.

What is Mac address and why it is required?

A Media Access Control address is given to every networking adapter. It is unique on every device. t is used as a permanent identifier for that component. For more info, check out the Wikipedia... http://en.wikipedia.org/wiki/MAC_address

Which port has the fastest data transfer rate?

Short answer: Just use USB 3.0

Long Answer:

Depends what you mean by "port." As an external port, you would probably want to go with USB 3.0. However, if you want the fastest data transfer rate, you can buy an internal SSD and connect it to the motherboard with Serial ATA. Be careful, because many parts on the inside of a computer are very delicate. Hope this helps.

What IP address is a network address?

internet provider

Its actually internet protocol. Every computer on the network has to have its own address, this address is called the IP address.

Though since you asked what is IP. IP is just a protocol.

What are IP addresses called that begin with 172.16?

They are normally the IP addresses which your computer uses to talk to your internet router/modem. They are not the same as the IP address that your router is known by on the broadband link.

What is the difference between classless subnetting and classful subnetting?

CLSM (Constant Length sub net Mask). Whenever we are Using Same Sub net Mask in entire Organization, that architecture Is Called CLSM in the Network.

VLSM (Variable Length Sub net mask) in the Network. Whenever we are Using different-different sub net Mask in entire Organization, that architecture Is Called VLSM.

What computer does an it technician use?

A computer technician uses a screwdriver of every size and shape, a tube that hold the screws, a pair of long tweezers, and chip pullers.