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Why does the Internet need HTTP, TCP, IP and DNS? Why isn't the Internet Protocol (IP) enough to do the job? Please reply to these specific points of confusion.
Use a communication line to transmit data serially at a rate of 14,400 bits per second. If a burst of interference lasts .01 second, how many data bits
A site survey enables you to do it right the first time. Without a site survey, trial and error is the only way to place access points in locations
Use the Library, the Internet, and other resources to explain ARQs (automatic repeat requests). Discuss the purpose and the different mechanisms
Today ISDN cost $40 per month for BRI service which includes 1 D Channel and 2 B Channels. Each channel is capable of transmitting 64kbps of voice
ISDNs are sometimes used in locations that do not support DSL or cable modem connections. Your choices may be analog modems or an ISDN connection
Two data centers used for retail credit authorization are located in two different major population centers, which are separated from each other by a large zone
A signal starts at point x. As it travels to point y it loses 8 db. At point y the signal is boosted by 10 db. As the signal travels to point z it loses 7 db
As much as you may have a preference for a type of network (i.e. broadband, wireless) each technology has both disadvantages and advantages
Messages arrive at random to be sent across a communications link with a data rate of 9600 bps. The link is 70% utilized, and the average message length is 1000
How big is a physical PDU (protocol data unit)?Then response to this question determines the number of simultaneous transmissions for many network architectures
Consider a communications satellite in geosynchronous orbit. It sits approximately 35,786 km above the Earth's equator. What is the transmission delay in second
You want to send a 200 bytes long message from your machine to a friend's machine via 4 intermediate nodes. You are required to use a header size of 5 bytes
Consider an organization, which has a rented communications channel between two buildings, A and B.
Can the speed in which information is transmitted have an adverse affect on fundamental business decisions?Yes, speed that is traveling at high rates of speed
Commonly, medical digital radiology ultrasound studies consist of about 25 images that are extracted from a full-motion ultrasound examination
Why are computer networks so difficult to secure?
Considiring the performance of a communincation protocol design, how might the number of messages have potentially the largerst impact as compared to the total
If someone were to have a neural network that could scan information on all aspects of your life, where would that neural network be able to find information
Describe the different transport mechanisms included with TCP/IP.
Supposed two TCP connections are present over some bottleneck link of rate R bps. Both connections have a huge file to send
Your company is assigned the network address 150.50.0.0. You need to create seven subnets on the network.
You have been contracted to build a network for a multimedia development firm that currently uses a 10-Mbps Ethernet network.
Do some research on peer-to-peer networks (e.g., you may search "crime activity peer to peer networks", "crime activity P2P", "pornography P2P"
What are the pros and cons of having a DHCP server on each network segment, versus having some of the network segments receive their IP address