Physical laye Study guides, Class notes & Summaries

MIS 589 WEEK 2 : PHYSICAL LAYER AND DATA LINK LAYER - TEST YOUR KNOWLEDGE QUIZ

Protocol The set of rules established for users to exchange information Topology The network architecture used to interconnect the networking equipment Deterministic network Each station connected to the network is ensured access for transmission of its messages at regular or fixed time intervals Bus topology The computers share the media (coaxial cable) for data transmission Thinnet The coaxial cable used in a bus network. Star topology Twisted-pair cables connect the devices to a centra...

SAGA TEST 2 | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ Gateway Correct Answer: A network node that connects two networks with different transmissions protocols together. Full Mesh Topology Correct Answer: Every node has a circuit connecting it to every other node in a network. Partial Mesh Topology Correct Answer: Some nodes are organized in a full mesh but other are only connected to one or two in the network. Internet Control Message Protocol (ICMP) Correct A...

WGU C172 Network and Security Foundations QUESTIONS & ANSWERS 2024 ( A+ GRADED 100% VERIFIED)

The NIC operates at which layer of the OSI model? Physical Layer HTTP Functions at which layer of the OSI model? Application Layer TCP functions at which layer of the OSI model? Transport Layer IP is an example of a protocol that operates in which layer of the OSI model? Network Layer Routers operate at which layer of the OSI model? Network Layer Bits are packaged into frames at which layer of the OSI model? Data Link Layer MIDI and JPEG operate at which layer Presentation Layer TCP and U...

CNIT 344 Exam 1, Questions and answers. Graded A+ Components of Communication - -Message Source -> Encoder -> Transmitter -> Transmission Medium "The Channel" -> Receiver -> Decoder -> Message Destination What ISO Standard is the OSI Model? - -ISO Standard 7498. (ITU-T specifies X.200-X.299 Recommendations). What does OSI stand for? - -Open System Interconnection. What does the OSI Model do? - -It defines 7 layers that describe the complete application-based commun...

ITN 100 Final Exam Questions And Verified Answers 100% Verified A ___________ is similar to an intranet in that it uses Internet technologies, but is developed for users outside the organization - ANSWER Extranet In the Internet model, the application layer corresponds to the ________, layer(s) s of the OSI model - ANSWER session, presentation and application Which of the following is true about ISO - ANSWER -It makes technical recommendations about data communications interfaces ...

The notes discuss the physical layer. It discusses the functions of the physical layer, the mediums used such as cables, and devices that operate on it such as hubs. Furthermore, it discusses protocols that operate on the physical layer such as CSMA/CA and CSMA/CD. It discusses about its history and how it evolved to make better devices.

The Open Systems Interconnection reference model (OSI/RM) Network Layer serves which primary purpose? - ANSWER It uses Layer 3 addresses to create multiple routed networks. The address 68.56.189.17 belongs to which Internet protocol (IP) class? - ANSWER Class A What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? - ANSWER The datagram loops back inside the host and never leaves the network interface card (NIC). Which device evaluates and acts upon a packet'...

LATENCY-MINIMIZED DESIGN OF SECURE TRANSMISSIONS IN UAV-AIDED COMMUNICATIONS Xiongwei Wu1,2 , Qiang Li3 , Yawei Lu2,4 , H. Vincent Poor2 , Victor C. M. Leung5,6 and P. C. Ching1 1Department of Electronic Engineering, The Chinese University of Hong Kong, Hong Kong SAR, China 2 Department of Electrical Engineering, Princeton University, Princeton, USA 3School of Info. & Comm. Eng., University of Electronic Science and Technology of China, Chengdu, China 4 Department of Electronic Engineer...