- Home
- Networking
- CCNA Security
71.
How many certificates are involved in the user authentication process?
- A.One
- B.Two
- C.Three
- D.Four
- E.It depends
- Answer & Explanation
- Report
Answer : [E]
Explanation :
Explanation :
| This answer depends on how many CAs are in the certifi cate path. If there is only a Root CA in the path, there are three certificates. If there are intermediate CAs in the path, there are more. In the example we presented in the chapter there were three certificates in the path. |
72.
How many prime numbers are used in the Diffie - Hellman algorithm?
- A.One
- B.Two
- C.None
- D.Five
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| Diffie-Hellman utilizes only one prime number at the beginning process of the algorithm. |
73.
What is the key length of Diffie - Hellman Group 2?
- A.1024 - bit
- B.1536 - bit
- C.2048 - bit
- D.Variable
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| Group 2 is 1024 - bit. Group 1 is 768 - bit, and Group 3 is 1536 - bit. |
74.
What components are required for a PKI to be successful? (Choose all that apply.)
- A.Army
- B.Trusted third party
- C.Authority
- D.Secrecy
- Answer & Explanation
- Report
Answer : [B, C]
Explanation :
Explanation :
| A trusted third party (TTP) that is given authority is necessary in a PKI. Secrecy is incorrect because PKI stands for Public Key Infrastructure. The public key is assumed to be known to everyone. |
75.
What are some drawbacks to a single server CA structure? (Choose two.)
- A.Single point of failure
- B.Ease of administration
- C.Not scalable
- D.None of the above
- Answer & Explanation
- Report
Answer : [A, C]
Explanation :
Explanation :
| The CA structure is unavailable with a single server failure. The computing power of a single server will not scale for a larger environment. |
|
|
||||||||||||||||||||||||||||
