Circuit switching - Study guides, Class notes & Summaries

CprE 489 Exam 1 Questions & Answers 2024/2025 Protocols - ANSWERS-Syntax, semantics, and synchronization of messages sent/received -actions on transmission and reception of messages Guided Media - ANSWERS-signals propagate in solid media Twisted Pair - ANSWERStwo insulated, twisted copper wires Unguided Media - ANSWERSSignals propagate freely (radio) Circuit Switching - ANSWERSDedicated circuit per call (guaranteed) Packet Switching - ANSWERS-Data sent in discrete chunks (gu...

CP Exam Review Questions & Answers 2024/2025 What happens if a train separates while moving? - ANSWERSEmergency brake engages after rapid decline in brake pipe pressure. What should you do if you see someone perform an unsafe act? - ANSWERSInteract with them, discuss what about their actions are unsafe, correct and find the safe way to proceed. Report if necessary. Name cars that should be switched with locomotives always attached? - ANSWERSTransformers, circuit breakers, traction mot...

A ______________ defines the format and the order of messages exchanged between two or more communicating entities, as well as the actions taken on the transmission and/or receipt of a message or other event. correct answers protocol What does a protocol specify? i. order of received messages ii. format of received messages iii. order of sent messages iv. format of sent messages v. all of the choices correct answers v Circuit switching allows more users than packet switching when us...

Four characteristics of Effectiveness correct answers Delivery, Accuracy, Timeliness, Jitter Types of topology correct answers Mesh, Bus, Star, Ring UART stands for correct answers Universal asynchronous receiver transmitter Which of the following connection type is used by bus topology? correct answers Point to multipoint Name of network of networks correct answers internetwork, or simply an internet (lowercase!) Criteria for a Network correct answers Performance, Reliability, Se...

3-D Graphics - are based on vectors stored as a set of instructions describing the coordinates for lines and shapes in a three-dimensional space. ALU - (Arithmetic Logic Unit) The part of the CPU that performs arithmetic and logical operations on the numbers stored in its registers. Application - Computer programs that help users perform a specific task such as word processing. Also called application programs, applications, or programs. ARPANET - (Advanced Research Projects Agency Network...

What is business data communications? correct answers Business data communications is the movement of information from one computer application on one computer to another application on another computer by means of electrical or optical transmission systems. What is packetization? correct answers Packetization is the process of breaking down user data into small segments and packaging each of these segments appropriately so that they can be delivered and reassembled across the network. Data s...

AET 2560 - Sound Reinforcement Final UPDATED Actual Exam Questions and CORRECT Answers illegal frequency bands - CORRECT ANSWER- 100 - 799 mHz squelch - CORRECT ANSWER- a circuit for preventing a radio receiver from producing audio-frequency output in the absence of a signal having predetermined characteristics diversity receiving - CORRECT ANSWER- two antennas switching systems to pick up strongest signal from antenna

Cisco Certified Technician Latest Update Graded A+ ATM (Asynchronous Transfer Mode) The international standard for cell relay in which multiple service types (such as voice, video, or data) are conveyed in fixed-length (53-byte) cells. Fixed-length cells allow cell processing to occur in hardware, thereby reducing transit delays. ATM is designed to take advantage of high-speed transmission media, such as E3, SONET, and T3. Bandwidth The difference between the highest and lowest freq...

An inter-circuit short can cause: - ANSWER -" All of the above; Unrelated circuits to operate simultaneously; Components to work at reduced capacity; An over-current situation" Which of the following is addressed by ABYC A-32? - ANSWER -Power conditioning and conversion LED navigation lights are required to meet: - ANSWER -72 Colregs Which of the following are recommended for 3-phase shore power? - ANSWER -Power conditioning and phase-rotation monitoring Which of the following ...

WGU C182 Introduction to IT 2023/ 2024 Exam | More than 250 Actual Exam Questions and Verified Answers| All Quizzes Covered | A Grade QUESTION Which device permits packet switching so that a message can be routed to the next link in a network? Router DNS LAN IP Address Answer: Router A router is a device that permits packet switching in order to send messages to the next link in the network. QUESTION In order to translate from an IP alias to an IP Address, which of...