Question 2 (Marks: 30! (1.2.1 (1.2.2 (1.2.3 Discuss how Unified Extensible Firmware Interface (UEFI) and secure boot work to ensure that the computer boots using software that is trusted by the computer manufacturer. Use examples in your answer. Read the statement below and then answer the question that follows: Statement: Using proxy servers has several advantages, including increased speed, reduced costs, improved management, and stronger security. Evaluate the statement above by commenting critically on each claim made in the statement. An aggregation switch plays an important role in a network. Summarise aggregation switches. Your summary should contain the following: (8) (10) (6) A. what an aggregation switch is used for (two marks}. B. where an aggregation switch should be located and why (two marks). C. an example of an aggregator switch (two marks). (1.2.4 Using an example, explain what host virtualization is. In your answer, describe two (6) examples of the software used for host 2 virtuallzation