Explanation/Reference:
Explanation:
When cross-training, it would be prudent to first assess the risk of any person knowing all parts of a system and what exposures this may cause. Cross-training has the advantage of decreasing dependence on one employee and, hence, can be part of succession planning. It also provides backup for personnel in the event of absence for any reason and thereby facilitates the continuity of operations.

Section: Protection of Information Assets

This means that the IT steering committee is responsible for ensuring that the IT strategy aligns with and supports the business strategy, vision, and goals of the organization. The IT steering committee is also responsible for overseeing and approving major IT initiatives, projects, and investments, and allocating resources and priorities accordingly12.
Developing and assessing the IT security strategy (B) is not the main responsibility of the IT steering committee, but rather a specific aspect of the IT strategy that may be delegated to a subcommittee or a dedicated security function. The IT steering committee may provide guidance and oversight for the IT security strategy, but it is not directly involved in developing and assessing it12.
Implementing processes to integrate security with business objectives © is not the main responsibility of the IT steering committee, but rather an operational task that may be performed by the IT management and staff. The IT steering committee may monitor and evaluate the effectiveness of the security processes, but it is not directly involved in implementing them12.
Developing and implementing the secure system development framework (D) is not the main responsibility of the IT steering committee, but rather a technical task that may be performed by the IT developers and engineers. The IT steering committee may approve and endorse the secure system development framework, but it is not directly involved in developing and implementing it12.

ファイル暗号化は、PCに保存されている機密データを保護するための有効な手段です。

秘密鍵によるデジタル署名は、送信者から秘密鍵を介して送信されたデータを認証します。これは、別のビット列、つまりデジタル文書を一意に表すビット列です。電子署名とは、人間が電子ペンパッドに手書きの署名を記入し、それをコンピュータシステムがデジタル的に読み取った際に、その署名をデジタル的に表すビット列のことです。