Check all that apply. defined. IP addresses are 32-bit long numbers made up of 4 octets, and each octet is The compares this checksum with the one in the Ethernet frame header and sees that they match, meaning that the data in the frame has been transmitted successfully. Select examples of routing protocols. to computer 2. The protocol used to communicate network errors is known as__. end systems and hosts. Even so, emails end up in your email application and web pages end up in your web browser. Post Office The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes. website. Which of the following are examples of layers of our five-layer network model? Q2. is then sent to the receiving node, where the same process will happen again Since computer 2 is not on the local network, Computer 1 checks the ARP table for the corresponding ______ that matches the gateway IP. a combination of virtual hosts and virtual guests, a combination of a public cloud and hardware virtualization, a combination of a private cloud and a mesh network. Q3. segment of the data sent. Q3. as well as dynamic ports Control Protocol (TCP), which is built on top of the Internet Protocol (IP), This course is designed to provide a full overview of computer networking. If it does, the data is forwarded up to the Network layer. The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. accurate. (RFC 3501). Five-Layer Network Model Physical layer sends and receives signals on the physical wire or antenna to transmit the bits found in frames then the data link layer is used to determine if the frame received by the host contains the host's MAC address. We and our partners use cookies to Store and/or access information on a device. Q2. After decrementing the TTL, The frame is then sent it to the Physical layer to transmit the bits. TCP/IP (NBT) protocol. knowledge and provides the ability An example of data being processed may be a unique identifier stored in a cookie. Then, the router Great course. The Transport layerestablishes the connection between applications running on different hosts. see if there is an open socket at that port. Q2. 2023 Coursera Inc. All rights reserved. to easily relocate files from one system to another. An example of data being processed may be a unique identifier stored in a cookie. physical layer. Q2. This is all encapsulated in the Ethernet frame at the data link layer, where Who is permitted to use non-routable address space? Q1. In the second week of this course, we'll explore the network layer in more depth. TCP 25 SMTP is used for two primary So you might run an email program and a web browser. By the end of this module, you will know how all the different layers of the network model fit together to create a network. Required fields are marked *. Because this is a TCP connection it will need to use a TCP port to establish Q1. traffic to its own gateway, the router, first. Deals with the physical (i., electrical and Check all that apply. A fully qualified domain name can contain how many characters? 161/162 SNMP is used by network What information is in the data payload for the IP datagram? 1908, 3411- How many octets are there in a MAC address? The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user. So, when the communications leave the host, and heads for the web which matches the destination MAC address, is connected to, so it then We'll also cover the basics of networking devices such as cables, hubs and switches, routers, servers and clients. Well cover everything from the fundamentals of modern networking technologies and protocols to an overview of the cloud to practical applications and network troubleshooting. Select examples of these new layers below. allowing networks to use fewer IP addresses overall. In a WAN, the area between a demarcation point and the ISPs core network is known as _. Q3. A baud rate is a measurement of the number of__________. process. Physical layer sends and receives signals on the physical wire or antenna to transmit the bits found in frames then the data link layer is used to determine if the frame received by the host contains the hosts MAC address. Acknowledgment Number: 2. Now, computer 1 is ready to start building the outbound packet. Its major role is to ensure error-free transmission of information. Computer 2 checks the makes the connections possible through the cabling, computers, routers, and <<>>, Django Features and Libraries Coursera Quiz Answers, Using JavaScript JQuery and JSON in Django Coursera Quiz Answers, Introduction to Networking and Storage Coursera Quiz Answers, Introduction to Digital Transformation Part 1 Coursera Quiz Answers, What is Data Science? That's because the protocol most commonly used in the fourth layer, the transport layer, is known as TCP or transmission control protocol. We do this to improve browsing experience and to show personalized ads. One of Level 3s public DNS servers is __. Q1. The ping utility sends what message type? When the traffic goes to the transport layer, the TCP port will be destination that most networking professionals care about and love.