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which layers are user support layersthree layers are come under user support layer-a session layerb presentation layer andc application
which layers are network support layersa physical layerb data link layer andc network
list the layers of osithere are seven layers in osi modela physical layerb data link layerc network layerd transport layere session layerf
what is synchronous tdmin stdm the multiplexer allocates exactly the same time slot to every device at all times whether or not a device has anything
what is tdmtdm is a digital process that can be applied when the data rate capacity of the transmission medium is greater than the data rate needed
what is wdmwdm is conceptually the similar as fdm except that the multiplexing and demultiplexing includes light signals transmitted by fiber optics
name the categories of multiplexingthere are three categories of multiplexinga frequency division multiplexing fdmb time division multiplexing
what is multiplexingmultiplexing is the set of techniques that permits the simultaneous transmission of multiple signals across a single data
define the terms unicasting multiccasting and broadcastingif the message is sent from a source to a one destination node it is called unicastingif
what is round trip timethe duration of time it takes to send a message from one end of a network to the other and back is known as
when a switch is said to be congestedit is possible that a switch receives packets faster than the shared link can accommodate and keeps in its
define routingthe process of determining systematically hoe to forward messages toward the destination nodes based on its address is known as
define bandwidth and latencynetwork performance is calculated in bandwidth throughput and latency delay bandwidth of a network is given by the number
what are the key design issues of a computer network a connectivityb cost-effective resource sharingc support for common servicesd
what are the key elements of protocolsthe key elements of protocols area syntax it refers to the structure or format of the data that is the
name the factors that affect the performance of the network a number of usersb type of transmission mediumc hardwared
i have a research in this topic quot mitigating dos attacks against broadcast authentication in wireless sensor networks quot with simulation
what questions should iris ask charlie about the new job about kelvin3939s team and about the future of the
functions and features of the ipmonitor program are as follows a this program should be able to list out detail information of ip traffic
hello i have submitted an assignment and i am still waiting to know if it has been accepted or not the ref number is ticketid em201381bry525cn the
verify vlans and trunkinguse the show ip interface trunk command on s1 and the show vlan command on s2 to determine that the switches are trunking
configure ip settings for the linksys wrt300nthe best way to understand the following settings is to think of the wrt300n as being same to a cisco
enable wireless security step configure windows to use wep authentication navigate to the network connections page again and right-click the
configure a wireless mac filterstep add a mac filter navigate back to the web utility page of the router http17217301 navigate to the wireless
optimizing stp because there is a separate instance of the ning tree for every active vlan a separate root election is conducted for each