5 Questions About IT please read attached file

Question Three (at least 200Wodrs)

TCP is a reliable transport layer protocol. This means that TCP uses error control mechanisms (or tools) for detecting corrupted segments, lost segments, out-of-order segments, and duplicated segments. TCP error control mechanisms include checksum, acknowledgment, Time-out and fast retransmission. Explain each one of those four mechanisms in your own words.

Question Five (at least 100Wodrs) Network

In Distance-Vector Routing and Link-State Routing, nodes need to help each other to find the best route by exchanging information. What information does each node share in Distance-Vector Routing algorithm and Link-State Routing algorithm?

Consider you are tasked with implementing a new payroll system that will allow employees

to record time card information electronically and generate pay checks based on the number

of hours worked and total amount of sales. It possess a Windows -based desktop interface

to allow employees to enter timecard information, change employee preferences (such as

payment method), enter purchase order s, and create various reports. Every employee can

access and edit their own time cards and purchase orders from any browser running on

organization's intranet.

Which architecture would best suit to impl ement the above system and why?

Highlight the advantages of the suggested architecture when compare d to other

architecture designs

Answers:

An online shop about to give free vouchers to its customers with the

following specifications:

 A customer will deserve a 10 S.R. voucher for each 100 S.R. of their

spent once the order reaches 500 S.R. or more.

 These vouchers have ID and valid for one full year

 Only one voucher can be used at the time.

You are asked to help this shop in writing two pseudocodes : one for giving

vouchers and one for using a voucher.

Answer:

You have been introduced to different data storage format such as legacy,

relational, object, and multidimensional.

Using your own words, based on what data storage format is chosen.

Support your answer with examples of what each type /format can provide or

support.

Answer: