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Repeaters
- Operate only in physical layer
- Connects two segments of the same LAN
- Both segments must be of the same protocol
- Only forwards frames; does not filter
What are the key benefits of layered network? Main advantages of layered network are given below: a) Complex systems can be split into understandable subsystems. b) Any f
In IPSec what is SAD, SPD and SA's?
Router Routing achieved commercially popularity in the mid - 1980s - at a time when large-scale Internetworking began to change the fairly simple, homogeneous environments. Rou
Q. Describe OSI Routing Architecture? End systems (ESs) as well as intermediate systems (ISs) use routing protocols to distribute (-advertise?) some or all of the informati
Electronic Mail One of the most popular internet services is electronic mail ( e mail). At the beginning of the internet era teh message sent by electronic mail were sh
What is Ping? Ping is a utility program that permits you to check connectivity among network devices on the network. You can ping a device by using its IP address or device nam
Fat tree: It is a customized version of tree network. In this network bandwidth of edge (or connecting wire between nodes) increases in the direction of root. It's a more realisti
Applications of Fiber Optics - Backbone networks because of wide bandwidth and cost effectiveness - Cable TV - LANS - 100Base-FX (Fast Ethernet)
Can you describe what an IP address is?
Wireless Ethernet (802.11) a) Operates on physical plus data link layers b) BSS (Basic service set) stationary or mobile wireless stations and a central base station known a
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