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Physical Configurations
Transport signal multiplexer de multiplexer. It either signal from multiple sources into a STS singles or de multiplexes and STS signal into different signals .
Regenerator it is a repeater that takes a received optical signal and regenerates it functions in the data link layer. A SONET regenerator replace some of the existing overhead information with new information.
Add drop multiplexer can add signals coming from different sources into a given path or remove a desired signals from a path redirect it without de multiplexing the entire signal .
What are the data units at dissimilar layers of the TCP / IP protocol suite? The data unit formed at the application layer is called a message, at the transport layer the data
Question: a) Differentiate between the following key terms used in any e-banking security system: (i) Authorisation v/s Authentication. (ii) Data Integrity v/s Data Conf
Q. Building a Defense in networking? When building a defense you must use a layered approach that includes securing - The network infrastructure the communications protocol
What is General Middleware in client server environment? Ans) It having the communication stacks, distributed directories, authentication services, network time, RPC, Queuing se
Operating system does CISCO have
Ethernet Addressing Every station on the network must have a unique physical address Offered by a six-byte physical address encoded on the network interface card (NIC)
Q. OSI Network Layer Addressing ISO/IEC and CCITT mutually administer the global network addressing domain. The primary hierarchical decomposition of the address is defined
Receive Window This field defines the size of the window in bytes that the other party must maintain. Note that the length of this field 16 bits which means
Data Link Layer Sub layers · Logical Link Control (LLC) - upper layer · Handles control information, logical addressing and data · MAC (Medium Access Control) - lower layer ·
Extranets can also be utilized to link an intranet to the Internet in order that remote offsite access can be built into a company's intranet through an authorized individual. It c
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