Which of the following in the BEST way to reduce the impact of an externally sourced flood attack?

Refer to the information below to answer the question.
A large organization uses unique identifiers and requires them at the start of every system session. Application access is based on job classification. The organization is subject to periodic independent reviews of access controls and violations. The organization uses wired and wireless networks and remote access. The organization also uses secure connections to branch offices and secure backup and recovery strategies for selected information and processes.
Following best practice, where should the permitted access for each department and job classification combination be specified?

Which of the following countermeasures is the MOST effective in defending against a social engineering attack?

Extensible Authentication Protocol-Message Digest 5 (EAP-MD5) only provides which of the following?

Which of the following is a remote access protocol that uses a static authentication?