q define the backbone networksbackbone networks -
Q. Define the Backbone Networks?
Backbone Networks
- Allows several LANs to be connected
- Non of station is directly connected to the backbone
- Stations are part of a LAN and the backbone is a LAN itself
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q basic working of ning tree ning tree - redundant bridges may be installed to provide reliability- to prevent infinite looping of packets
q what is source routingsource routing - sender of packet defines bridges and routes that packet should take- complete path of bridge ids and
issues with bridges connecting different lans - frame format - differences in frame structure fields used example ethernet to token ring- payload
q use of two-layer switch- performs at the physical as well as data link layer- a bridge with many ports designed for faster performance- allocates
q define the backbone networksbackbone networks - allows several lans to be connected- non of station is directly connected to the backbone- stations
peri-implantitis infective process- bacterial originbacterial invasion of the peri-implant soft tissue results in its inflammation followed by rapid
retrograde peri-implantitisit has been described by misch as implant failure probably due to bone microfractures caused by premature implant loading
the features of retrograde peri-implantitis include- periapical bone loss without gingival inflammation- microflora consisting mainly of streptococci
define ailing and failingclinically unhealthy implants are classified as ailing or failing it is necessary to distinguish between an ailing versus a
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