1,2,3,4,5 quizes 12_11.docx - Chapter 2 1 ICANN is responsible for restrictions on use of the.com.org and.net tlds.false 2 Each organization that

1,2,3,4,5 quizes 12_11.docx - Chapter 2 1 ICANN is...

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Chapter 2 1. ICANN is responsible for restrictions on use of the .com, .org, and .net tlds. false 2. Each organization that provides host services on the public internet is responsible for providing maintaining dns authoritative servers for public access. true 3. DNS follows a centralized database model. false 4. NetBios applications should be replaced as they are out of date. true 5. A hexadecimal number is a number written in the base 16 number system. true 6. The segment or datagram protocol data unit exist at what layer of the odi model? layer 4 7. What is the name of the protocol data unit (pdu) of data link layer? frame 8. The network time protocol service uses what port number? upd123 9. What are the last two parts of a host name known as? domain name 10. What command below can be used to display a complete summary of all network interfaces in a windows computer? ipconfig /all 11. A unique set of characters assigned to each nic by its manufacturer. In the traditional 48 bit physical addressing scheme the extension identifier is 24 bits long. In eui-64 the extension identifier is 40 bits long. device id 12. A type of dns data record that maps ipv4 address of an Internet connected device to its domain name. a record 13. The nonprofit corporation currently designated by the u.s. Government to maintain and assign ip addresses.
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