What type of protocol does Modbus use? Multiple Choice serial communication protocol common industrial protocol open communication protocol open master-slave communication protocol
Added by Adam M.
Step 1
Modbus is a communication protocol used in industrial automation systems for connecting electronic devices. Show more…
Show all steps
Your feedback will help us improve your experience
Adi S and 87 other AP CS educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Which of the following is a single-wire serial communication protocol using one master control module and many slave modules?
Adi S.
1. Which mode of operation is exhibited by RS-485 standard? a) Single-ended b) Differential c) Both a and b d) None of the above 2. What is the purpose of an In-Circuit Debugger (ICD)? a) Specific debugging capabilities b) Allows the operation of the microprocessor to be controlled externally c) Provide full control over all aspects of the microprocessor d) Both a and c 3. Which is the most commonly used language(s) used in embedded systems? a) C b) C++ c) Java d) C# 4. Reserved memory for an integer is a) 1 byte b) 2 bytes c) Compiler dependent d) 4 bytes 5. Example of a synchronous bus a) USB b) SPI c) UART d) MBUS
Sri K.
This layer of the OSI model is responsible for dialog control, token management, and synchronization. a. session b. transport c. network d. data link Question 2 What is the typical method for restricting packet lifetime on the Internet? a. Packet length b. Network path c. Packet size d. Hop count Question 3 Can a machine with a single DNS name have multiple IP addresses? a. true b. false Question 4 If a local DNS server cannot find an IP address for a specified URL, what does it do? a. Queries the next DNS server b. Returns an error 4xx to the client requesting the resource c. Performs a reverse lookup of the authoritative record d. Performs an iterative query of the local DNS server's database Question 5 What is the default protocol used for sending email messages over the Internet? a. SNMP b. SMTP c. POP d. RSVP Question 6 Which protocol is used to send web pages from web servers to internet browsers? a. HTML b. SMTP c. HTTP d. WAP Question 7 This mail system protocol was created as an improvement of the POP3 protocol, and has the ability to address mail not by message number, but by using attributes. a. SMTP b. MIME c. SNMP d. IMAP Question 8 What is the primary purpose of a Socket primitive? a. To associate a local address with a port b. To create a communication endpoint c. To address a communication endpoint d. To set up a connection with a host Question 9 Which protocol uses a three-way handshake to establish connections? a. TCP b. UDP c. ICMP d. IP Question 10 What is the primary purpose of flow control? a. Error control b. Traffic control c. Flow control d. System control
Akash M.
Recommended Textbooks
Computer Science and Information Technology
Introduction to Programming Using Python
Computer Science - An Overview
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD