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How does SMTP mark the end of a message body?
The HTTP protocol simply declares the entire length of the message in part of the header called "Content-length header field".
Describe the ways in which the request-reply protocol masks the heterogeneity of operating systems and of computer networks?
An efficient request-reply protocol for a client-server communication and data processing model. Under the novel protocol, a client sends a Request to a server and awaits a Reply. If the Reply is not sent before expiration of a timeout period in the client, the client sends a second Request. The server provides a conditional Acknowledge if a second Request is received from the client. Thereafter, the client waits for the server to transmit a Reply without the client sending additional Requests. Under normal conditions, the inventive protocol performs as well as the best prior art protocol (the optimistic model), while under abnormal conditions, the inventive protocol performs better than the optimistic protocol and only slightly worse than the prior art pessimistic protocol. Since normal conditions should prevail for a substantially longer amount of time than abnormal conditions, the present invention provides better average performance than either prior art client-server protocol.
Which protocol is used to automatically configure network devices?
Dynamic Host Configuration Protocol (DHCP) A protocol that provides a means to dynamically allocate IP addresses to computers on a local area network. The system administrator assigns a range of IP addresses to DHCP and each client computer on the LAN has its TCP/IP software configured to request an IP address from the DHCP server. The request and grant process uses a lease concept with a controllable time period.
A manufacturer receives Internet orders via two different routing systems The time between orders for each routing system in a typical day is known to be exponential distribution with a mean of 3?
1. A manufacturer receives Internet orders via two different routing systems. The time between orders for each routing system in a typical day is known to be exponential distribution with a mean of 3.2 minutes. Both systems operate independently.(a) What is the probability that no orders will be received in a 5 minute period? (4 points)(b) What is the probability that both systems receive two orders between 10 and 15 minutes after the site is officially open for business? (4 points)
What is layer 4 protocol?
Transmission Control Protocol (TCP) is one of the main protocols of the Internet.Developed along with IP to support packet transmission over ARPANET.TCP adds a transport layer to the data segment that contains the destination and source port addresses.Connection-oriented.TCP divides messages that are too large for IP into segments and numbers so they can correctly ordered at the receipt.At the end receiver, TCP sends acknowledgements back to the sender. If an acknowledgement is not received within a given period or time, the package is resent.Packets with checksum failures are not acknowledged and so are eventually retrasmitted as well.
What is the default update period in seconds for the RIP routing protocol?
Every 20 Milliseconds it updates.
Which protocol in its default configuration downloads email messages?
The POP protocol, by default, downloads messages to your computer and then deletes them from the mail server. If you leave all of your email on a primary computer (for example, your office computer) but want to have access to recently received email on a secondary computer (a home computer), you should leave your messages on the server for a limited period of time.
What is the period of the wave motion for a wave with a frequency of 0.57 kHz?
Period = 1/Frequency = 0.00175 seconds (approx)Period = 1/Frequency = 0.00175 seconds (approx)Period = 1/Frequency = 0.00175 seconds (approx)Period = 1/Frequency = 0.00175 seconds (approx)
What is tumbstone life period?
The default tumbstone life period is sixty days.
What is the SI unit of period of oscillation?
The SI unit for period is seconds and the symbol is t (because the period is a time measurement, it is expressed in the SI unit seconds)
What is the period of a wave if the wave has a frequency of 78.6Hz?
Period = 1/78.6 seconds = 0.01272 seconds
What is the frequency if the period was 4 seconds?
Frequency = (1)/(period) .If the period is still 4 seconds, then the frequency = (1)/(4 seconds) = 0.25 per second = 0.25 Hz.
What is the frequency of a sine wave period of 0.1 seconds?
The frequency is the reciprocal of the period. In other words, divide 1 by the period. If the period is in seconds, the frequency is in hertz.
If a mass on a spring takes eight seconds to complete five cycles what is its period?
(8 seconds) / (5 periods) = 1.6 seconds per period
What is default lease period for DHCP Server?
8 Days
Period of seconds pendulum?
Time period of a seconds pendulum is 99.3955111cm at a place where the gravitational acceleration is 9.8m/s2
If a structure has a natural frequency of 1.2 hertz what is period in seconds?
Time period = 1 / frequency. Frequency = 1 / time period. Period T = 1 / 1.2 = 0.8333333 seconds.
