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Cnit 344 Exam1 Questions And Answers With Verified Solutions 100% Correct!!!
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Cnit 344 Exam1 Questions And Answers With Verified Solutions 100% Correct!!!
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Cnit 344 Exam1 Questions And AnswersWith Verified Solutions 100% Correct!!!
Physical layer - ANSWER✔✔1. Responsible for the transmission and receipt of the
bit stream to/from nodes
2.Solely concerned with signaling techniques
3.pass incoming information up to Layer 2
4. Does not include physical media
Data link - ANSWER✔✔1. providing point-to-point validity of the data
2. Utilizes frames, validate integrity of frames.
3.Independent address architecture
4. Point to Point in scope
Network Layer - ANSWER✔✔1.Enables internetworking
2.Relies on higher layer protocols for error detection and correction
3.Utilizes packets [reliable] or datagrams [unreliable]
4.Includes Routable/Routed Protocols IP
Transport Layer - ANSWER✔✔1. Responsible for host-to-host integrity of
transmission
2.Detects damaged or lost packets and generates retransmit requests
3. Choice of Layer 4 protocol typically depends on the Layer 3 protocol being
used. eg: TCP, UDP over IP
4.Utilizes messages or segments
Session layer - ANSWER✔✔1. Establishes, maintains, and terminates hostto-host
interactive sessions
2.Used to uniquely identify a service, application, or function on a host via ports
Presentation layer - ANSWER✔✔Responsible for managing the way data is
presented. , eg: Data encryption, text compression
Application layer - ANSWER✔✔1.s the interface between user applications and
network's services
2.HTTP, SIP, Telnet/SSH, SMTP
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