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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make the I/O of a DCS and it's associated controllers communicate?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a holding registers would use?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "G"?
There are a collection of standards that defines the access control for wired Ethernet. Which one of the answers below is the standard for physical connections between devices being copper or fiber-optic media?
Which answer below is best described as the RS-485 standard for voltage range to receive a "Space"?
There are several stages in the alarm lifecycle. Which of these stages is the alarm system tested and replacements done if required?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the smallest in area covered?
There are several stages in the alarm lifecycle. Which of these stages is the collection of alarms is assessed for its notification level?
In IPv4, the user datagram protocol has less latency and measurable greater data throughput. Which of the answers below can be a drawback of this protocol?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that can have 8, 16, or 32 inputs powered by 24Vdc, or 120Vac??
There are many conventions to the creation of tags in a HMI. Which of those conventions would best describe the part of a tag that the arrows are pointing to in the picture below?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that is suitable for larger networks?
The term "TDM" relates best to which of the answers below?
Which of the terms below is not used to deliver power and data to all devices connected to an H1 transmission segment? Choose the answer below that best applies.
Parameter settings program the behavior of the function block. Which of the parameters below can be described as one that receives data from another block?
Which of the error detection methods below is best used for larger data packets of virtually any kind of data?
Communication technology is generally specific to a type of area network. Which of the area networks below would IDSN and DSL be used primarily?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses the conversion of dc voltage levels to ac to represent logic states?
Which of the terms below best reflects the effect of a radio waves trajectory when moving through mediums with different densities?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that converts 8 or 16 inputs to a digital signal?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the switch interacts with?
The data packet of an asychronous transmission contains _____ distinct types of bits. Choose the best answer to fill in the blank from the options below.
IPv4 addresses are expressed in four components. Which of the terms below is used to name those four components?
Due to the uncomplicated nature of the Modbus frame structure, it requires a simple access method. Which of the access methods below is a method that this frame structure supports?
There are many options to choose from for alarm types. Which of the following alarm states can be best described as when the appropriate action is taken, the alarm does not return to normal?