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What is use of Carrier sense multiple access
Carrier sense multiple access with collision detection (CSMA/CD) is a form of medium access control in which a station listens to the medium to try to see if another transmission is in progress. If the medium appears idle, the station transmits. If a collision happens, the workstations wait a random amount of time before trying again.
What is the juncture at which the CPE ends and the local loop portion of the service starts? Ans) The demarcation or demarc is the juncture at which the CPE ends and the local
#questionWrite a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two poi
Encryption Authentication One common technique used to encrypt and authenticate in VPNs is IP security. IP sec is a collection of protocols designed by the IETF( Internet En
Q. Explain about Star Backbone network? - Collapsed or switched backbone - Backbone is just one switch that connects LANs - Utilized as distribution backbone inside a bui
LEASED SATELLITE CHANNEL: It may span arbitrarily big distance. It is given in the figure below. Figure Satellite connections are low bandwidth to protect cost
PPTP use for encryption and authentication
Explain the Physical layer The Physical layer of the OSI model sets standards for sending and receiving electrical signals among devices. It explains how digital data (bits) ar
Explain Difference between broadcast domain and collision domain? Ans) Broadcast Domain Send the packet to all the Present Network IT might be send by the person It mig
Hierarchy of DNS Servers DNS uses a large number of server organized in hierarchical fashion and distribution around the world. No single DNS server has all of the mappin
You are requested to design a secure home or small scale network (Fig. 1) to satisfy the key concepts underlying computer and network security: confidentiality, integrity, availabi
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