Computer-Networks
August 30, 2024Computer-Networks
August 30, 2024Computer-Networks
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Question 838
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Which protocol finds the MAC address from IP address?
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SMTP
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ICMP
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ARP
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RARP
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Question 838 Explanation:
● Mail servers and other mail transfer agents use Simple Mail Transfer Protocol( SMTP) to send and receive mail messages on TCP port 25. Although proprietary systems such as Microsoft Exchange and IBM Notes and webmail systems such as Outlook.com, Gmail and Yahoo! Mail may use their own non standard protocols internally, all use SMTP when sending or receiving email from outside their own systems.
● The Internet Control Message Protocol (ICMP) is a supporting protocol in the Internet protocol suite. It is used by network devices, including routers, to send error messages and operational information indicating
●Address Resolution Protocol (ARP) is a protocol for mapping an Internet Protocol address (IP address) to a physical machine address that is recognized in the local network.
●RARP (Reverse Address Resolution Protocol) is a protocol by which a physical machine in a local area network can request to learn its IP address from a gateway server’s Address Resolution Protocol (ARP) table or cache.
● The Internet Control Message Protocol (ICMP) is a supporting protocol in the Internet protocol suite. It is used by network devices, including routers, to send error messages and operational information indicating
●Address Resolution Protocol (ARP) is a protocol for mapping an Internet Protocol address (IP address) to a physical machine address that is recognized in the local network.
●RARP (Reverse Address Resolution Protocol) is a protocol by which a physical machine in a local area network can request to learn its IP address from a gateway server’s Address Resolution Protocol (ARP) table or cache.
Correct Answer: C
Question 838 Explanation:
● Mail servers and other mail transfer agents use Simple Mail Transfer Protocol( SMTP) to send and receive mail messages on TCP port 25. Although proprietary systems such as Microsoft Exchange and IBM Notes and webmail systems such as Outlook.com, Gmail and Yahoo! Mail may use their own non standard protocols internally, all use SMTP when sending or receiving email from outside their own systems.
● The Internet Control Message Protocol (ICMP) is a supporting protocol in the Internet protocol suite. It is used by network devices, including routers, to send error messages and operational information indicating
●Address Resolution Protocol (ARP) is a protocol for mapping an Internet Protocol address (IP address) to a physical machine address that is recognized in the local network.
●RARP (Reverse Address Resolution Protocol) is a protocol by which a physical machine in a local area network can request to learn its IP address from a gateway server’s Address Resolution Protocol (ARP) table or cache.
● The Internet Control Message Protocol (ICMP) is a supporting protocol in the Internet protocol suite. It is used by network devices, including routers, to send error messages and operational information indicating
●Address Resolution Protocol (ARP) is a protocol for mapping an Internet Protocol address (IP address) to a physical machine address that is recognized in the local network.
●RARP (Reverse Address Resolution Protocol) is a protocol by which a physical machine in a local area network can request to learn its IP address from a gateway server’s Address Resolution Protocol (ARP) table or cache.