Which protocol is used by a computer to find the mac address Jul 16, 2025 · Learn where to see the MAC addresses for IPs on your LANFinding the media access control (MAC) address, or hardware address, for the hosts on your network is a fairly simple process. ARP is responsible for mapping IP addresses to MAC addresses within a local network. ARP is essential for communication within a local network segment and is used to discover and maintain the MAC address corresponding to a specific IP address. 1, on its local area network (LAN), it first sends out (broadcasts) an ARP packet. How does my router get the MAC address of another router on an external network if ARP is not possi The Address Resolution Protocol (ARP) is a communication protocol for discovering the link layer address, such as a MAC address, associated with an internet layer address, typically an IPv4 address. 1? Which protocol is used by a computer to find the MAC address of the default gateway on an Ethernet network? a). Address Resolution Protocol (ARP) is a network protocol used to find the hardware (MAC) address of a host from an IP address. * At which layer of the OSI model would a logical address be encapsulated? Question: Question 8Which protocol is used by a computer to find the MAC address of the default gateway on an Ethernet network?radio_button_uncheckedUDPradio_button_uncheckedDHCPradio_button_checkedARPsignal_cellular_4_barradio_button_uncheckedTCP 2. Nov 25, 2022 · The frame header includes the source and destination MAC addresses. Note: Dynamic Host Configuration Protocol is a network protocol used to automate the process of assigning IP addresses and other network configuration parameters to devices (such as computers, smartphones and printers) on a network. ARP (Address Resolution Protocol) is the protocol used by a computer to find the MAC address of the default gateway on an Ethernet network. TCP c). See full list on wikihow. UDP d). How do computers find the correct MAC address? Mar 20, 2017 · Does computer A need the MAC address of computer B in order to send a message to computer B? If so, how does A get B's MAC address? What statement describes the function of the Address Resolution Protocol? ARP is used to discover the MAC address of any host on the local network. Answer # Explanation:<br />## Step1: Identify the need for the MAC address<br />### When a computer wants to send data outside its local network via an Ethernet network, it needs to know the MAC address of the default gateway. “When a host wants to send a packet to another host, say IP address 10. can be on same network or on a remote network. Which IPv4 address might be valid on the Internet? Choose the best response. TCP (Transmission Control Protocol) is primarily used for reliable data transmission and does not deal with MAC addresses. However, when looking at the standard a Ethernet frame needs a destination MAC address, and the source address MAC is usually programmed onto the device. A cybersecurity analyst believes that an attacker is announcing a forged MAC address to network hosts in an attempt to spoof the default gateway. ARP is integral to network communication as it links logical IP addresses with physical MAC addresses, allowing devices to efficiently send and receive packets on a local network. I know when a computer is unable to find the destination thr Jul 8, 2024 · The Address Resolution Protocol (ARP) is a fundamental network communication protocol used within LANs. 2025 Ever wondered how your computer finds the right address on a network? It’s thanks to Address Resolution Protocol (ARP). Oct 11, 2025 · Implement port security and DHCP snooping on switches. 5. A general note for the sake of others: it is not possible to obtain the MAC address for machines that are on a different LAN since Layer 3 protocols are used for addressing and delivery in this case and MAC is Layer 2. In order to find the MAC address of the destination host, the sending host uses the Address Resolution Protocol (ARP). 3. Sep 15, 2010 · If the computer you have the IP for is online you can ping it and get its MAC from you local ARP table. The Address Resolution Protocol (ARP) is used to find the MAC address associated with a given IP address on a local network. DHCP Show More 195 Get answer Yes, get the answer No, go search my questions What is Address Resolution Protocol (ARP)? Address Resolution Protocol (ARP) is a fundamental networking protocol used to map a network address, such as an IP address, to a physical hardware address, like a MAC address. May 23, 2025 · Used by ARP: These are associated with the Address Resolution Protocol (ARP) to create communication between IP addresses and MAC addresses over a LAN. When a computer needs to communicate with another device on the same network, it uses ARP to resolve the IP address of the destination device to its MAC address. May 29, 2014 · Packets use IP addresses, frames use MAC addresses. The address 080046982365 is the MAC address of Workstation3. Sep 10, 2024 · ARP is the protocol used to associate the IP address to a MAC address. It is used in computer networks to find the Media Access Control (MAC) address associated with a specific IP address, particularly the IP address of the default gateway on an Ethernet network. Apr 16, 2024 · The Address Resolution Protocol (ARP) is used to find the MAC address of a device given its IP address. and more. Addressable Routed Packet D. What will any link-local IPv6 address begin with? Choose the best answer. * What statement describes the function of the Address Resolution Protocol? ARP is used to discover the MAC address of any host on the local network. 2. Neighbor Discovery (ND) - Used in IPv6, ND Learn what a MAC address is, why it matters, and how to find it on your devices. The ARP packet contains a simple question: What is the MAC address corresponding to IP address 10. At which layer of the OSI model would a logical address be encapsulated? network layer What is the general term that is used to describe a piece of data at any layer of a networking model? Explanation When a computer needs to find the MAC address of the default gateway on an Ethernet network, it uses the Address Resolution Protocol (ARP). It operates at the link layer of the OSI model, allowing devices to communicate efficiently on a local area network. The MAC address of the default gateway that is used will be the address on the same network as the sending computer. However, it also needs to discover the MAC address of the destination. Use IP address filtering and monitoring. Physical Address ( mac address) - used for nic to nic communication on same ethernet network Logical address (the ip address) - used to send packet from the source device to the destination device. Jul 2, 2011 · Address Resolution Protocol (ARP) is a protocol used to establish associations between a MAC address and a given IP address. com ARP (Address Resolution Protocol) 2. My questions is how does the a device get that initial destination address. It maintains a table of MAC addresses and their respective IP addresses to facilitate this process. Explanation To determine which protocol is used by a computer to find the MAC address of the default gateway on an Ethernet network, we need to analyze each option. Aug 11, 2016 · I understand Address Resolution Protocol and how it broadcasts to all devices on the subnet to find the MAC address of the destination. **Step 3: ARP - Resolving MAC Addresses** - **Purpose of ARP**: - The Address Resolution Protocol (ARP) is used to map IP addresses to MAC addresses within a local network. If the destination host is not on the same LAN, the MAC address of the default gateway is used as the destination MAC address in the frame header. ARP sends a request over the local network to find out the MAC address corresponding to a given IP address. <br />## Step2: Determine the appropriate protocol<br />### The protocol responsible for finding the MAC address associated with an IP address within the same local Answer # Explanation:<br />## Step1: Identify the need for the MAC address<br />### When a computer wants to send data outside its local network via an Ethernet network, it needs to know the MAC address of the default gateway. Nov 20, 2022 · In order to find the MAC address of the destination host, the sending host uses the Address Resolution Protocol (ARP). Address Reservation Protocol B. ARP is the protocol that is used to discover the MAC address of a host that belongs to the same network. In computer networks, various types of addresses are introduced; each works at a different layer. Jun 14, 2024 · The two protocols used to determine the MAC address of a known destination IP address are ARP for IPv4 and ND for IPv6. I know that in an Ethernet LAN, the ARP protocol is used to get a MAC address from an IP address. Which command could the analyst use on the network hosts to see what MAC address the hosts are using to reach the default gateway? May 10, 2025 · ARP (Address Resolution Protocol) operates at Layer 2 of the OSI model. This lesson explains Address Resolution Protocol (ARP) to you. Understand its role in security, troubleshooting, and network management. Abbreviated Routing Protocol C. A MAC address, which stands for Media Access Control Address, is a physical address that works at the Data Link Layer. The MAC address of the local router interface. 04. Network devices use ARP to find the MAC address of the IP address they want to reach. ARP is used to find the MAC address of a host when the IP address is known. An IP locator is used to identify a device's location using the devices Internet Protocol (IP) address. Each time a computer is sending a packet to an IP address it will look in its ARP cache to see if it already knows what MAC address that is associated with that IP address. Jul 24, 2022 · Explanation: When a PC wants to send data on the network, it always knows the IP address of the destination. May 20, 2015 · 6 I am trying to familiarize myself at the moment with the Ethernet network protocol. Oct 8, 2025 · ARP stands for Address Resolution Protocol. How ARP Works: ARP (Address Resolution Protocol) is specifically designed to map IP addresses to MAC addresses within a local network, making it the correct choice for finding the MAC address of the default gateway. This key player in networking helps link IP addresses to MAC addresses, making sure devices can talk to each other smoothly. <br />## Step2: Determine the appropriate protocol<br />### The protocol responsible for finding the MAC address associated with an IP address within the same local Apr 30, 2024 · The correct protocol used to translate an IP address to a MAC address is the Address Resolution Protocol (ARP). When a computer needs to find the MAC address of the default gateway on an Ethernet network, it uses the Address Resolution Protocol (ARP). It is specifically used to map IP addresses (Layer 3) to MAC addresses (Layer 2) on a local network. ARP operates at the data link layer of the OSI model and is most commonly The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks. Neighbor Discovery Protocol (NDP) is a protocol used for address resolution with IPv6. You can also find MAC addresses by checking connected devices in your router's settings panel. It involves the use of the Address Resolution Protocol Study with Quizlet and memorize flashcards containing terms like What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly?, What type of communication will send a message to all devices on a local area network?, Which statement is true about the TCP/IP and OSI models? and more. It is used when a device wants to communicate with some other device on a local network (for example on an Ethernet network that requires physical addresses to be known before sending packets). Oct 4, 2016 · ARP- Address Resolution Protocol is used to find MAC address of default gateway on ethernet network Oct 3, 2023 · To find your Internet Protocol address, try using the "What is my IP Address" website. Sep 30, 2024 · To communicate or transfer data from one computer to another, we need an address. Mar 29, 2025 · Last checked on 09. Match each item with a statement below. ARP b). It resolves the known IP address of the gateway to its corresponding MAC address, which is necessary for proper Ethernet frame construction. If the address exists in the ARP cache then the MAC address in the table will be used. ARP (Address Resolution Protocol) is a network protocol used to find out the hardware (MAC) address of a device from an IP address. ARP is used on Ethernet LANs because hosts that want to communicate with each other need to know their respective MAC addresses. This mapping allows devices on a local network to identify each other and establish communication. The MAC address of the destination device. Oct 10, 2025 · ARP (Address Resolution Protocol) is a network protocol used to determine the MAC address (hardware address) corresponding to an IP address. The correct answers are: Address Resolution Protocol (ARP) - Used in IPv4 to map a logical IP address to a physical MAC address. Address Resolution Protocol, 3. Jan 30, 2022 · ARP (Address Resolution Protocol) is a network layer communication protocol which is used to dynamically map an internet protocol (IP) to a hardware or MAC address in a local-area network (LAN). Get the full story here. Why aren't IP addresses used in ethernet frames for routing? I understand that when trying to access a basic website, the computer goes to a DNS to find the IP address relevant to the user-entered domain name. When one device in a LAN (Local Area Network) wants to communicate with another, it must know the destination’s MAC address. Two primary assigned devices on a ethernet LAN. Visible in system settings: Operating systems like Windows and Linux provide access to your network adapter’s Media Access Control address through the command prompt or network settings. Data contained in a DNS zone answer 1 Resolves an IP address to a MAC address answer 2 Dynamically assigns IP addresses answer 3 The unit of information used by UDP in the Transport layer answer 4 Transport layer protocol that is connection-oriented and reliable answer 5 Resolves computer names to IP addresses answer 6 Specifies the source or destination . Study with Quizlet and memorize flashcards containing terms like What protocol is used to find the MAC address of a given IP address?, Which IPv4 address might be valid on the internet?, Which of the following subnet masks are valid? Choose all that apply. Address Resolution Protocol ì Find link layer address given a network layer address ì What is the Ethernet address for a given IP address? ì Every IP node (hosts and routers) has an ARP table ì Mapping from IP to Ethernet addresses on their LAN ì May be incomplete ì Can include both static and dynamic entries Science Computer Science IST 201 Intro to networking Chapter 9 What destination MAC address would be included in a frame sent from a source device to a destination device on the same local network? A broadcast MAC address of FF-FF-FF-FF-FF-FF. What protocol is used to request a MAC address that corresponds to a known IPv4 address on the local network? May 21, 2025 · The Download Use the ARP command on your computer to find a device's MAC address from its IP address. Q4. bwdwdtr qvhip qtpsee vogwkhv jzlm hhsi xhg hoxk vrbgj pae fcvannr gqks zpx glpmmn zssye