Computer Networking

unshielded twisted pair

15 or 16.

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BIG-IP is an Application Delivery Networking system. It provides such services as load balancing, web acceleration, access control, and traffic management.

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Line topography is the connection of

multiple devices in succesion to eachother.

In this setup the end device terminates the

line, and when a break occurs the devices

past the break are cut out of the line.

This form of topography allows for longer

runs than it's loop equivalent.

Provided the coupler is in good condition there is no reason why it would reduce network performance. With that said it is worth remembering that most couplers are not Cat5 certified and should only be used as a last resort. It is much preferred to use one single length of cable as this reduces the chances of the connection coming undone accidentally.

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The Computer Misuse Act (1990)

It states that you can not attempt to gain unauthorized access to a computer system.

You may use the other user's password if permission is given to access the system.

Wired internet is faster as it works in full duplex mode (can send and receive at a time). Wireless works using half duplex mode, requires a middle device (like access point) for transmission and various other factors like devices using the same radio signal frequency (2.4 GHz) affect its transmission

You don't - you'll need an Ethernet card for your computer. A regular voice/fax modem is different than a high-speed/network connection, so you need a different 'card' (with a socket that will match your cable). If you can't find a socket that your Ethernet cable fits, then you don't have an Ethernet card installed!

Local network

A hub

it indicates which layer 4 protocol is carried in a datagram

Net Mask

SCSI

Advantages: We have a standard to work on i.e we know that another person working on it wil follow what we do. Secondly as it becomes widely used, the effective usage increases...it becomes easy for people to make applications that use such protocols. Disadvantages: Often standards made tend to limit themselves in a way or the other. Once made it's difficut to change a standard when we have better methods found.

# For this example, let's convert the decimal number 15610 to binary. Write the decimal number as the dividend inside an upside-down "long division" symbol. Write the base of the destination system (in our case, "2" for binary) as the divisor outside the curve of the division symbol. 2)156 # Write the integer answer (quotient) under the long division symbol, and write the reminader (0 or 1) to the right of the dividend. 2)156 0

78 # Continue downwards, dividing each new quotient by two and writing the remainders to the right of each dividend. Stop when the quotient is 1. 2)156 0

2)78 0

2)39 1

2)19 1

2)9 1

2)4 0

2)2 0

1 # Starting with the bottom 1, read the sequence of 1's and 0's upwards to the top. You should have 10011100. This is the binary equivalent of the decimal number 156. Or, written with base subscripts: 15610 = 100111002 *Taken from wikiHow www.wikihow.com

A router can improve network security if it includes the use of NAT (network address translation) and/or a firewall.

true or false.all transport layer protocols are concerned with reliability

no hostname

The purpose of ayering is to separate functional components that interact in some sequential and hierarchical way, with each layer usually having an interface only to the layer above it and the layer below it.

I would say it is connectionless, as it sends the message to the person to revive it without establishing the connection first so there's no way to know if they revived it.

data link layer