Quiz – Understanding VPNs and Why We Use Them

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#1. Which of the following are symmetrical encryption ciphers?

3DES, SHA1

SHA1, AES

AES, 3DES

RSA, 3DES

#2. What is another name for a hash that has been encrypted with a private key?

SHA-1

AES

MD5

Digital signature

#3. A remote user needs to access the corporate network from hotel room from a laptop. What type of VPN is used for this?

Remote-access VPN

Dial-up VPN

PPP VPN

Site-to-site VPN

#4. Which standard format is used to request a digital certificate from a CA?

TLS/SSL/HTTPS

LDAP

PKCS#7

PKCS#10

#5. Which of the following could be found in a typical identity certificate?

CRL locations

Validity date

All obove

serial number

Public key of the certificate owner

#6. When obtaining the initial root certificate, what method should be used for validation?

Sender's public key

HTTPS/TLS/SSL

Receiver's private key

Telephone

#7. What are the primary responsibilities for a certificate authority (CA)?

Certificates verification, Issuing identity certificates, Maintaining client's private keys

Maintaining client's private keys, Issuing identity certificates, Issuing identity certificates

Issuing identity certificates , Maintaining client's private keys, Certificates verification

Tracking identity of certificates, Issuing identity certificates , Issuing identity certificates

#8. Why is the public key in a typical public-private key pair referred to as public?

Because the public already has it

Because it is shared publicly

The last name of the creator was publica, which is Latin for public

Because it is a well-known algorithm that is published

#9. Which type of VPN technology is likely to be used in a site-to-site VPN?

SSL

TLS

IPSec

HTTPS

#10. What algorithms in a VPN provide the confidentiality?

MD5,SHA-1

3DES,AES

AES,MD5

SHA-1,3DES

#11. What is the primary difference between a hash and Hashed Message Authentication Code (HMAC)?

MD5

SHA1

Keys

AES

#12. Which two of the following are benefits of VPNs?

Data integrity, Diffie-Hellman

Confidentiality, Data integrity

Diffie-Hellman, Confidentiality

Hashing, Confidentiality

#13. What is used to encrypt the hash in a digital signature?

Receiver's public key

Sender's public key

Sender's private key

Receiver;s private key

#14. What is the key component used to verify a digital signature?

One-time PAD

AES

Receiver's public key

Sender's public key

#15. What are valid options to protect data in motion with or without a full VPN?

All above

HTTPS

SSL

IPsec

TLS

#16. Which method, when supported by both the client and the CA, is the simple to use when implementing identity certificates on the client?

PKCS#7

PKCS#10

SCEP

LDAP

#17. What is the key component use to create a digital signature?

Public key

Private key

AES

Ink

Finish

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Quiz – Understanding VPNs and Why We Use Them

Results

#1. Which of the following are symmetrical encryption ciphers?

#2. What is another name for a hash that has been encrypted with a private key?

#3. A remote user needs to access the corporate network from hotel room from a laptop. What type of VPN is used for this?

#4. Which standard format is used to request a digital certificate from a CA?

#5. Which of the following could be found in a typical identity certificate?

#6. When obtaining the initial root certificate, what method should be used for validation?

#7. What are the primary responsibilities for a certificate authority (CA)?

#8. Why is the public key in a typical public-private key pair referred to as public?

#9. Which type of VPN technology is likely to be used in a site-to-site VPN?

#10. What algorithms in a VPN provide the confidentiality?

#11. What is the primary difference between a hash and Hashed Message Authentication Code (HMAC)?

#12. Which two of the following are benefits of VPNs?

#13. What is used to encrypt the hash in a digital signature?

#14. What is the key component used to verify a digital signature?

#15. What are valid options to protect data in motion with or without a full VPN?

#16. Which method, when supported by both the client and the CA, is the simple to use when implementing identity certificates on the client?

#17. What is the key component use to create a digital signature?

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