IT2203 Network Standard Protocols Standards

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Questions and Answers

What type of service does User Datagram Protocol (UDP) provide?

Unreliable, best-effort service (correct)

Reliable, ordered service

Connection-oriented service

Guaranteed delivery service

How are datagrams sent in UDP similar to sending letters through the postal service?

Both rely on acknowledgments for successful transmission

Both are independent of order and guarantees (correct)

Both ensure guaranteed delivery

Both have a fixed order of delivery

How many bits are used to represent a port number?

16-bit (correct)

64-bit

8-bit

32-bit

Which range of port numbers is reserved for well-known services like HTTP and FTP?

0-1023 Signup and view all the answers

What does the Source Port in a TCP header field identify?

The application that sends the segment Signup and view all the answers

What does TCP use to deliver data to a specific application?

16-bit port number Signup and view all the answers

Which application layer protocol is designed for retrieving mail from the server?

SMTP Signup and view all the answers

What is the primary goal of the Institute of Electrical and Electronics Engineers (IEEE)?

Standardize LAN technologies Signup and view all the answers

Which protocol provides a reliable and efficient transfer of electronic mail service on the Internet?

SMTP Signup and view all the answers

Which protocol enables the sharing of computer programs and data between hosts over a TCP/IP network?

FTP Signup and view all the answers

Which organization is responsible for standards like American Standard for Code Information Interchange (ASCII)?

American National Standards Institute (ANSI) Signup and view all the answers

Which TCP/IP protocol is used to mount drives on remote hosts and operate them as local drives?

NFS Signup and view all the answers

What is the role of Electronic Industries Alliance (EIA) in standardization?

Determine standards for electronics industry Signup and view all the answers

Which project by IEEE contributed to the standardization of Ethernet?

Project 802 Signup and view all the answers

What does TFTP stand for?

Trivial File Transfer Protocol Signup and view all the answers

Which TCP/IP protocol is used on the Internet to translate domain names into IP addresses?

DNS Signup and view all the answers

What does IEEE primarily focus on standardizing?

LAN technologies Signup and view all the answers

Which organization is composed of representatives from more than one thousand industry and government members?

American National Standards Institute (ANSI) Signup and view all the answers

Which organization is responsible for setting guidelines on how network cable should be installed in commercial buildings?

Telecommunications Industry Association (TIA) Signup and view all the answers

Which organization serves as the technology advisory group to the Internet Society?

Internet Architecture Board (IAB) Signup and view all the answers

Who oversees the activities of the Internet Engineering Task Force (IETF)?

Internet Engineering Steering Group (IESG) Signup and view all the answers

Which organization is responsible for overseeing Internet naming and addressing?

Internet Assigned Numbers Authority (IANA) Signup and view all the answers

Which international standards organization is relevant to networking standards?

Organization for Standardization (ISO) Signup and view all the answers

Who manages the process used to introduce or update Internet standards?

Internet Engineering Steering Group (IESG) Signup and view all the answers

What is the purpose of the Acknowledgment Number field in a TCP header?

It signifies the sequence number of the next expected byte by the receiver. Signup and view all the answers

What does the Window field in TCP headers primarily control?

The maximum number of bytes that can be sent without acknowledgment Signup and view all the answers

How long is the UDP Source Port field in bits?

16 bits Signup and view all the answers

What does the Sequence Number in a TCP header define?

The first byte's sequence number in a sent segment Signup and view all the answers

What information does the Length field in UDP headers provide?

The total length of the UDP header and data Signup and view all the answers

What is the purpose of the Reserved field in TCP headers?

It always contains a value of 0 for future protocol changes. Signup and view all the answers

Study Notes

User Datagram Protocol (UDP) Characteristics

UDP provides a connectionless service that allows for fast transmission of data without establishing a connection.
Datagrams in UDP are analogous to letters in the postal service, as they are sent independently without needing a direct connection and may arrive out of order.
A port number representation in UDP uses 16 bits.

Port Numbers and Services

Port numbers range from 0 to 1023 are reserved for well-known services such as HTTP (80) and FTP (21).
The Source Port in a TCP header identifies the port from which the TCP segment originates.

Data Delivery Methods

TCP ensures data delivery to specific applications through the use of port numbers that link data to applications like web browsers or email clients.
The protocol designed for retrieving email from servers is the Post Office Protocol (POP).

Standards Organizations

The Institute of Electrical and Electronics Engineers (IEEE) aims to advance technology and foster innovation through global standards.
The protocol for reliable electronic mail transfer on the Internet is Simple Mail Transfer Protocol (SMTP).
The protocol that allows sharing programs and data over a TCP/IP network is Network File System (NFS).

Standardization Entities

The American National Standards Institute (ANSI) oversees standards such as the American Standard for Code for Information Interchange (ASCII).
File Transfer Protocol (FTP) can mount drives on remote hosts, treating them as local drives.
The Electronic Industries Alliance (EIA) plays a critical role in standardization across the electronics industry.

IEEE Contributions

The IEEE 802 project significantly contributed to the standardization of Ethernet technology.
TFTP stands for Trivial File Transfer Protocol, a simple protocol for transferring files.

Naming and Addressing Protocols

The Domain Name System (DNS) translates human-readable domain names into IP addresses.
The IEEE primarily focuses on standardizing networking and telecommunications technologies.
The Internet Research Task Force (IRTF) serves as the technology advisory group to the Internet Society.

Oversight and Management

The Internet Engineering Task Force (IETF) oversees activities related to Internet standards, while the Internet Corporation for Assigned Names and Numbers (ICANN) manages Internet naming and addressing.
The International Organization for Standardization (ISO) is key in global networking standards.
The process for introducing or updating Internet standards is managed by the IETF.

TCP Header Fields

The Acknowledgment Number in a TCP header indicates the next expected byte by the receiver.
The Window field in TCP headers controls the flow of data, indicating how much data can be sent before receiving acknowledgment.
The UDP Source Port field is also represented by 16 bits.
The Sequence Number in a TCP header defines the order of data segments for reassembly.
The Length field in UDP headers provides the total length of the UDP packet.
The Reserved field in TCP headers is set aside for future use and is not currently utilized.

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Description

This quiz covers the concept of standards in network protocols, including the role of common standardization organizations like IEEE. Learn about the technical specifications and criteria that govern the design and performance of products and services.