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What is Protocol Data Unit?
The data unit in the LLC level is known as the protocol data unit (PDU). The PDU having of four fields a destination service access point (DSAP), a source service access points (SSAP), a control field and an information field. DSAP, SSAP are addresses used by the LLC to recognize the protocol stacks on the receiving and sending machines that are produce and using the data. The control field specifies whether the PDU frame is an information frame (I - frame) or a supervisory frame (S - frame) or a unnumbered frame (U - frame).
Name the categories of Multiplexing? There are three categories of multiplexing a. Frequency Division Multiplexing (FDM) b. Time Division Multiplexing (TDM) i. Sync
Configure VTP Pruning on the Switche s VTP pruning allows a VTP server to suppress IP broadcast traffic for particular VLANs to switches that do not have any ports in that VLAN.
categories of LAN
What is region? When hierarchical routing is used, the routers are separated into what we will call regions, with every router knowing all the details about how to route packet
Fundamentals of intranet Introduction The history of the Intranet starts right from the days when computer networks came in. However, it could find a name and place for it
What do you mean by Protocol? In the context of data networking, a protocol is a formal set of rules and conventions that governs how computers exchange information over a netw
What are the benefits of using subneting?
Switching via memory Traditional computers with switching between input and output being doen under direct control of the CPU input and output ports functioned as tr
Types of Redundancy Checks Parity Check Simple Parity Check Two Dimensional Parity Check / Longitudinal Redundancy Check (LRC) CRC (Cyclic Redundancy Check)
LRC - Performance Detects every burst errors up to length n (number of columns) If two bits in one data unit are damaged as well as two bits in exactly same positions
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