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What is Sonet
Synchronous Optical Network is a fiber optic technology that can transmit high-speed data audio, used for text and video.
Single clock handles timing of transmissions as well as equipment enables predictability and ability to multiplex using TDM. The bandwidth of the fiber is determined as one channel divided into timeslots to define sub channels.
Standard recommendations for equipment is able to handle signals from incompatible tributary systems
Can you define the difference among trusted and untrusted networks?
What is LRC? In LRC, a block of bits is separated into rows and a redundant row of bits is added to the whole block. It can detect burst errors. If two bits in one data unit ar
Can you describe the concept of CDMA?
a) Used for sending e-mail. b) Uses port 25.
Q. Explain about Domain Name System? -In the past, mapping of IP addresses was static using a host file -Impossible in today's dynamic environment -Domain Name System (DN
Efficiency of a data communications system depends on three fundamental characteristics - Delivery: The system should deliver data to the correct destination. Data should be r
What is the method of HA and FA in VPN tunneling?
Recognize the two items that TCP and UDP share in common? Ans) TCP and UPD are both layer 4 Transport protocols and both use port number to recognize upper level applications.
Explain multipoint connection. A multipoint connection is a link among three or more devices. Historically, multipoint connections were used to attach central CPs to distribute
• This device creates one big collision domain and one large broadcast domain.
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