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NO PSTN NETWORKS ARE NOT RELIABLE. The PSTN is he telephone network that links the world together.
The 1st answer has some truth to it, but most of the time (except in the case of fios of other fiber services) you do use the PSTN (Public Switched Telephone Network) to connect to the internet as is in the case of dial up and dsl. However the internet is partly a pstn network and when is the last time the entire internet went down, all across the world. The internet is the worlds most reliable network, and the largest. How the PTSN works, is a whole book (or two) in its own, being compromised of millions, possibly billions of miles of cable and many various satellite, radio, and cable networks within its self. The electrical grid is much less reliable since outages happen several times a year while I've only had mabye 1 phone outage in my life.
What else can I help you with?
What is the different between ac dc motors?
DC Motor works on DC source and AC motor works on AC source
How jfet works?
A Jfet works by applying voltage to the drain of the jfet. A jfet will then conduct across from drain to source.
Works whit one source statement at a time reading it translating it to machine level instruction?
interpreter
Is air conditioner works on 1 phase and how it works on 3 phase also?
If an air condition is single phase, then it can only be connected to a single phase source. Since any two legs of a three phase source are considered single phase, there is no conflict, except to note that the individual phases of the three phase source match the voltage requirement of the air conditioner.
Theory of superposition theorem?
Superposition theorem is one of those strokes of genius that takes a complex subject and simplifies it in a way that makes perfect sense. A theorem like Millman's certainly works well, but it is not quite obvious why it works so well. Superposition, on the other hand, is obvious.The strategy used in the Superposition Theorem is to eliminate all but one source of power within a network at a time, using series/parallel analysis to determine voltage drops (and/or currents) within the modified network for each power source separately. Then, once voltage drops and/or currents have been determined for each power source working separately, the values are all "superimposed" on top of each other (added algebraically) to find the actual voltage drops/currents with all sources active.
Which protocol is responsible for showing the data the way to the destination?
The protocol responsible for directing data to its destination is the Internet Protocol (IP). IP handles addressing and routing, ensuring that packets of data are sent from the source to the appropriate destination across networks. It operates at the network layer of the OSI model and works in conjunction with other protocols, such as TCP or UDP, to facilitate reliable communication.
Which is the telephone works the best and why?
Mobiles are the best source of communication so it is the best telephone
Does the Belkin Wireless-G Network Adapter maintain a reliable connection?
Belkin Wireless-G Network Adapter report that it works great,but they don't seem as thrilled about installing it.
Where can you watch free online Family Guy that works?
Hulu is a reliable source but tv.com is REALLY good too
How does the structure in an organisation affect lines of communication?
The larger the organization, the bigger the network of communication is needed to maintain the lines of communication clear throughout the organization. Having a smooth and understandable structure helps in maintaining and easily pointing out the problems when it occurs throughout the network. The structure also creates an emphasis on how the organization works and how messages and information is delivered within the business network.
Describe how network address translation works?
Describe how a network works
Why two computers does not connected on a network while having a valid ip?
There are many reasons why communication may fail. For example (assuming a cabled network), there may be no connected cable, the network card may be damaged, or there may be a communication problem at higher levels. First, check to see whether the computer detects the cable. Then you might try a PING command, to see whether low-level communication works.
What was the main Inca public works project?
The main Inca public works project was the construction of a network of roads known as the Inca Road System, or Qhapaq Ñan. This extensive network of roads and bridges connected the various regions of the Inca Empire, facilitating communication, trade, and military movement.
How cable communication works?
Cable communication involves transmitting data through cables that are made of metal, typically copper or fiber optics. Signals are converted into electronic pulses, sent over the cables, and then decoded at the receiving end. This allows for reliable and high-speed communication between devices.
Is a shared network service that works well on reliable lines that do not require frequent retransmissions because of error?
Yes, a shared network service can be effective on reliable lines with minimal errors, as it allows multiple users to access the network without significant delays or disruptions. In such environments, the efficiency of data transmission is enhanced, reducing the need for frequent retransmissions. This leads to improved overall performance and user experience. However, in less reliable conditions, more robust error-handling mechanisms would be necessary to maintain service quality.
What protocol is repsonible for providing errors?
The Internet Control Message Protocol (ICMP) is responsible for providing error reporting and diagnostic functions in network communication. It is used by network devices, including routers, to send messages about issues such as unreachable hosts, packet loss, or time exceeded. ICMP operates at the Internet layer of the TCP/IP model and works alongside other protocols like IP to ensure reliable data transmission.
How ARCNET works?
ARCNET (Attached Resource Computer Network) is a local area network (LAN) technology that utilizes a token-passing protocol for data transmission. It operates over twisted-pair or coaxial cables and supports a star or bus topology. In ARCNET, a token circulates through the network, granting permission to devices to send data, thus ensuring orderly communication and preventing collisions. Originally developed for industrial applications, it allows for reliable data transfer at speeds typically ranging from 2.5 Mbps to 10 Mbps.
