Please solve All the Questions carefully OR do not answer anything someone else will... Thanks in advance

21- A security consultant wants to implement a solution that will ensure users located in other countries are unable to access a company's private portal. Additionally, the solution requires valid users to prove their identity. Which of the following authentication technologies will BEST meet the requirement? (select two answers) A) IP-based B) Token C) Fingerprint D) PIN E) Contact card 22-An organization's help desk experiences a high number of password to reset requests. Users are required to log into personal workstation and database to complete daily assignments. The organizations users on an OS that support LDAP authentication. Which of the following authentication method would be appropriate for this organization to adopt? A) Single sign-on B) Common access cards C) Tokens D) Multifactor 23- A user's private key may have been compromised. Which of the following next steps should be taken (select two answers) A) Request new keys from the RA B) Delete compromised keys from the server C) Request that the OCSP remove keys D) Add keys to the revocation list E) Use CRL to generate a new key ) Hestore altermate keys from backup 24- A company wants to develop a complete assessment of its entire network? Which of the following should the company implement? A) Vulnerability scan B) Penetration tests C) Honeynets D) code reviews 25- An organization needs to install a system that will prevent users from accessing network devices unless they are present in the building. The organization also wants to put a mechanism in place to authenticate users while they are entering the building. Which of the following would meet both of these requirements? A) SIM card C) CAC D) SSO