Wash trading is the term for trading through multiple accounts, where an individual generates offsetting profits and losses and transfers of positions through accounts that do not appear to be commonly controlled. Wash trading is a form of market manipulation that creates artificial trading activity and volume, and may be used to evade taxes, inflate prices, or launder money. Wash trading can also involve the use of third parties or intermediaries to conceal the true identity and source of funds of the trader.
References: = The main references for this question are the following sources:
* The document titled "Money Laundering and Terrorist Financing Typologies and Trends in Canadian Securities Dealers" published by the Investment Industry Regulatory Organization of Canada (IIROC) in December 2019. You can access it by clicking here. This document states that "Wash trading is a form of market manipulation where an individual simultaneously sells and buys the same financial instruments to create misleading, artificial activity in the marketplace. Wash trading is illegal under securities law because it misleads investors and regulators about the true supply and demand of the securities involved. Wash trading can also be used to evade taxes, inflate prices, or launder money."
* The document titled "Market Manipulation" published by the Financial Industry Regulatory Authority (FINRA). You can access it by clicking here. This document states that "Wash sales are a form of market manipulation in which an investor simultaneously sells and buys the same security to create misleading, artificial activity in the marketplace. Wash sales are illegal under Section 9(a)(1)(A) of the Securities Exchange Act of 1934. Wash sales can be used to manipulate the price of a security, evade taxes, or launder money."

These are the information that can help the correspondent bank to assess the risk profile, the regulatory compliance, and the operational capacity of the respondent bank, and to verify its identity and legitimacy. The correspondent bank should obtain and verify the following information about the respondent bank:
Respondent's management, nature of license, and major business activity. This can help the correspondent bank to understand the governance, the legal status, and the core functions of the respondent bank, and to evaluate its reputation, integrity, and competence.
The quality of supervision in the home country. This can help the correspondent bank to determine the level of oversight and regulation that the respondent bank is subject to, and to identify any potential gaps or weaknesses in the anti-money laundering and counter-terrorist financing (AML/CTF) framework of the home country.
Respondent's location, in particular the existence of a real physical presence. This can help the correspondent bank to verify the actual existence and operation of the respondent bank, and to avoid dealing with shell banks or banks located in high-risk or non-cooperative jurisdictions.
The other option is not necessarily information that should be included to establish a rigorous "Know Your Respondent" procedure, although it may have some relevance or importance depending on the circumstances and the nature of the correspondent relationship. Option 2 describes computer equipment and software capability, which may be useful to assess the technical and operational compatibility and efficiency of the respondent bank, but it is not essential to evaluate its risk or compliance level.
References:
ACAMS CAMS Certification Video Training Course - 6th Edition1
Exam CAMS: Certified Anti-Money Laundering Specialist (the 6th edition)2 ACAMS CAMS Study Guide - 6th Edition, Chapter 7, pages 154-155
https://www.acams.org/wp-content/uploads/2019/09/ACAMS-CAMS-Study-Guide-6th-Edition-Chapter-7.pdf