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    11.10. Review Questions

    1. What minimum key length is recommended when implementing asymmetric encryption?

      1. 768

      2. 1024

      3. 2048

      4. 4096

    2. Who has possession of the private key?

      1. Everyone

      2. Generator of the certificate

      3. CA

      4. Requestor of the certificate

    3. What are the drawbacks of asymmetric encryption? (Choose two.)

      1. Speed

      2. Key length weakness

      3. Expense

      4. Lack of use

    4. What is the main use for asymmetric encryption?

      1. Encrypting large amounts of data

      2. Generating shared secret keys

      3. Encrypting images

      4. VPN data

    5. Who and what possess the public key?

      1. Digital certificate

      2. Holder of the private key

      3. Anyone who requests it

      4. All of the above

    6. Which are examples of asymmetric encryption algorithms? (Choose two.)

      1. AES

      2. CIA

      3. DH

      4. RSA

    7. What are some uses for digital certificates? (Choose two.)

      1. Provide a degree

      2. Verify identity

      3. User authentication

      4. Generate images

    8. What protocol allows for the automatic enrollment of a digital certificate request?

      1. Simple Certificate Enrollment Protocol

      2. Simple Request Enrollment Protocol

      3. Safe Certificate Enrollment Protocol

      4. Same Certificate Enroll Plan

    9. What is the most widely used standard for digital certificates?

      1. X.500

      2. PKCS

      3. X.509

      4. SCEP

    10. If the private key on the Root CA is compromised, what devices have to have their certificate replaced? (Choose all that apply.)

      1. Root CA server

      2. PC with user certificate

      3. Cross-Certify CA

      4. Intermediate CA

      5. CRL server

    11. How many certificates are involved in the user authentication process?

      1. One

      2. Two

      3. Three

      4. Four

      5. It depends

    12. How many prime numbers are used in the Diffie-Hellman algorithm?

      1. One

      2. Two

      3. None

      4. Five

    13. What is the key length of Diffie-Hellman Group 2?

      1. 1024-bit

      2. 1536-bit

      3. 2048-bit

      4. Variable

    14. What components are required for a PKI to be successful? (Choose all that apply.)

      1. Army

      2. Trusted third party

      3. Authority

      4. Secrecy

    15. What are some drawbacks to a single server CA structure? (Choose two.)

      1. Single point of failure

      2. Ease of administration

      3. Not scalable

      4. None of the above

    16. What two technologies make up a PKI?

      1. Digital certificates

      2. Certificate authorities

      3. Digital signatures

      4. Certificate authenticators

    17. What fields in a certificate request should not be abbreviated? (Choose all that apply.)

      1. State

      2. Address

      3. City

      4. Country

    18. The Subject field of a certificate contains what information?

      1. Company information

      2. Usage information

      3. Website name

      4. RA information

    19. What protocol is considered a hybrid encryption protocol?

      1. SSE

      2. SNMP

      3. SMTP

      4. SSH

    20. What are some types of CA servers in a PKI environment? (Choose all that apply.)

      1. Root CA

      2. CRL

      3. RA

      4. ABL


      

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