Continuous integration and deployment (CI/CD) is a strategy used to automate the process of testing, integrating, and deploying code changes frequently and reliably. This ensures that any issues are caught early and can be addressed quickly, leading to a smoother deployment process.

Effective communication is essential for good leadership because it fosters trust and understanding among team members. Clear and open communication ensures that everyone is on the same page regarding goals, expectations, and responsibilities. It promotes transparency, reduces misunderstandings, and enables constructive feedback, which strengthens relationships and enhances teamwork.

Active listening plays a crucial role in team building by facilitating understanding and empathy among team members. When individuals actively listen to one another, they demonstrate respect and validate each other's perspectives, leading to stronger relationships and improved teamwork. Active listening helps resolve conflicts, build trust, and foster a supportive team environment.

Empathy plays a crucial role in customer relations by enabling businesses to understand customer needs. By empathizing with customers, businesses can tailor their products, services, and interactions to meet those needs effectively, leading to improved customer satisfaction and loyalty.

Confrontation is a conflict resolution strategy characterized by addressing conflicts directly and assertively. It involves openly acknowledging the existence of the conflict, expressing concerns, and engaging in constructive dialogue to find a resolution. While confrontation can be challenging, it allows individuals to address issues head-on and work towards resolving conflicts effectively.

Adapting to unexpected challenges is a hallmark of effective project management. By evaluating critical tasks and redistributing workload, you ensure that essential project milestones are met despite setbacks. Effective communication with stakeholders is crucial for managing expectations and renegotiating timelines based on the current circumstances. Implementing contingency plans or alternative strategies helps in maintaining project momentum and reducing the impact of delays. Offering support to the ill team member demonstrates empathy and fosters a supportive team culture. Exploring options for outsourcing or hiring temporary resources provides additional flexibility to mitigate the impact on delivery.

Conducting a competitor analysis allows a company to identify the strengths and weaknesses of its competitors, understand their strategies, and assess their market position. This information helps the company to develop its own strategies, differentiate itself in the market, and gain a competitive edge. Without a thorough understanding of competitors, a company may struggle to succeed in the market.

Cognitive biases can distort our perception of reality and influence our decision making in various ways. For example, confirmation bias may lead us to seek out information that confirms our preconceptions, while anchoring bias can cause us to rely too heavily on initial information. Understanding these biases is crucial for making more rational and effective decisions.

Option 2 is the most efficient approach as it offers constant-time lookups and insertion, resulting in O(n) time complexity for identifying duplicates. This solution optimizes both time and space by efficiently storing and querying entries.

Reframing involves looking at a problem from different angles or perspectives to gain new insights and generate creative solutions. It helps broaden the perspective, allowing individuals to see opportunities and possibilities that were previously overlooked. Therefore, the correct option is 'Broaden perspective'.