IST 220 Study guides, Class notes & Summaries

IST 220 Exam 1 2023/2024

IST 220 Final Exam 2023/2024

IST 220 Exam 1 Giacobe 2023 FDM - ANSWER-Shares communication channel by allowing full-time access to only part of the communication channel for each circuit TDM - ANSWER-shares communication channel by allowing the entire channel to be used by different circuits, one per each time slot guided media technology - ANSWER-uses wires, fibers, or other similar mechanisms to send and receive signals circuit switched networks - ANSWER-maintains the reserved resources for the entire duration...

IST 220 Final Exam Questions & Answers 2023/2024 A hexadecimal number is a number written in the base 16 system. - ANSWER-True Convert the binary number of to decimal number of - ANSWER-255 Checks whether the data is received and resends if it is not - ANSWER-TCP is called a connection-oriented protocol - ANSWER-TCP is used by applications such as Web browsers and email - ANSWER-TCP guarantees delivery - ANSWER-TCP does not guarantee delivery - ANSWER-UDP is called a con...

IST 220 Exam 1 Questions & Answers 2023/2024 The network ____ includes hosts like clients and servers. The network _____ includes routers that are interconnected networks of networks. - ANSWER-Network Edge Network Core Access networks for internet companies?? - ANSWER-Cable modem and digital subscriber line (DSL) In tcp the sequence number is related to the number of_____ sent. - ANSWER-bytes The _____algorithm is the determination of the end to end path that data should take this p...

IST 220 Final exam 2023/2024 International Organization for Standardization - ANSWER-ISO is best known for its Open Systems Interconnection (OSI) references model ISO stands for the ____ Layer 7 - ANSWER-HTTP, IMAP4, FTP, AND Telnet are all examples of protocols that operate at what layer of the OSI model? 127 - ANSWER-A loopback IP address begins with what number? 10, 1010 - ANSWER-Convert the hexadecimal number of A to the decimal number of d___ Convert the hexadecimal number of A...

IST 220 - Exam #1 2023/2024 _________ is an example of a modulation scheme to convert input data into analog signals - ANSWER-Amplitude Shift keying (ASK) __________ which one of the following can be used as an encoding scheme - ANSWER-Non-return-to-zero inverted (NRZ-I) & Manchester ___________ is one of the elements of a communication model that generates input data that needs to be transmitted - ANSWER-Source Transmitter - ANSWER-The ______________ is needed to convert the input d...

IST 220 - exam 2 :) 2023 Transmission Control Protocol - ANSWER-TCP stands for User Datagram Protocol - ANSWER-UDP stands for Internet Protocol - ANSWER-IP stands for Address Resolution Protocol - ANSWER-ARP stands for d) ICMP - ANSWER-_____ is an internet layer protocol that is used for error reporting a) IP b) TCP c) UDP d) ICMP e) MAC and ARP f) Both IP and ICMP a) IP - ANSWER-_____ is used for transmitting the datagrams from one network to another until it gets to the...

IST 220 - Exam 3 Review 2023/2024 Link and network - ANSWER-Challenges posed by networking wireless and mobile devices usually occur at what layers? Code Division Multiple Access (CDMA) - ANSWER-- a shared-medium access protocol that is often used in wireless networks - belongs to a family of channel partitioning protocols - prevalent in wireless LAN and cellular technologies Base Station - ANSWER-- a key part of the wireless network infrastructure - responsible for coordinating the...

IST 220 Exam 3 2023