Cisco IOS IPSec Certificate Authority Support Questions Answers
Questions
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1. |
A digital certificate is conceptually most like which type
of document?
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Event admission ticket
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Vehicle license plate
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Passport
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Social Security card |
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2. |
Which of the following is not a common
name for a database service running on an existing or dedicated server that
allows users to submit and retrieve digital certificates?
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Certificate server
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CRL
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Cert server
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Key server |
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3. |
What does the acronym PKI stand for?
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PIX Key Interchange
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Private Key Interchange
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Public Key Infrastructures
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PIX Key Interface |
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4. |
Digital certificates are generated by which of the
following?
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Sending peer
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Certificate authority
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Receiving peer
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The government |
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5. |
When checking a certificate against a CRL, what happens if a
match occurs?
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The certificate is accepted
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A new CRL is requested
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The certificate is rejected
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The request is sent to the CA |
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6. |
Which of the following is a server that acts as a proxy for
the CA, so CA functions can continue when the CA is offline or otherwise
unavailable?
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CRL
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CAR
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CA
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RA |
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7. |
Which of the following is an initiative for furthering open
development for certificate-handling protocols that can help ensure
interoperability with devices from many vendors?
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PKI
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CA
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LDAP
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SCEP |
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8. |
Which of the following is not a CA
provider supported by the Cisco IOS?
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Entrust Technologies, Inc.
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Symantic
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VeriSign
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Microsoft |
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9. |
Which is the IKE keyword for CA support authentication
method?
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rsa-sig
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pki
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rsa-encr
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preshare |
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10. |
Which command specifies that certificates and CRLs should not be stored locally, but should be retrieved from the CA as
needed?
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no ntp peer ip-address
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crypto key generate rsa
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crypto ca identity
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crypto ca certificate query
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11. |
In the following command, what does the word “six”
represent? Rtr1(config)#clock timezone CST -6
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The number six is a sequence number
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Six hours behind NY standard time
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Six hours behind UTC/GMT
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Six hours ahead of UTC/GMT |
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12. |
Given the following command, how many RSA key pairs will be
generated? Rtr1(config)#crypto key generate rsa usage-keys
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1
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2
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3
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4 |
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13. |
Which command is used to define the CA?
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crypto ca enroll
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crypto ca identity
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crypto ca authenticate
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crypto key zeroize rsa |
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14. |
Which command removes all certificates associated with the
CA—the router’s certificate, the CA certificate, and any RA certificates?
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no named-key key-name
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no crypto ca identity
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crypto key zeroize rsa
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no certificate |
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15. |
Which of the following is not required
for CA support on Cisco IOS devices?
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Hostname defined
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Special-usage keys ordered
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Domain name defined
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Software clock set |
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Answers
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1. |
C. Passport |
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2. |
B. CRL |
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3. |
C. Public Key Infrastructures
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4. |
B. Certificate authority |
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5. |
C. The certificate is rejected—it has been
revoked |
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6. |
D. RA |
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7. |
D. SCEP—Simple Certificate Enrollment
Protocol |
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8. |
B. Symantic |
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9. |
A. rsa-sig |
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10. |
D. crypto ca certificate
query |
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11. |
C. Six hours behind UTC/GMT |
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12. |
B. 2 |
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13. |
B. crypto ca identity
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14. |
B. no crypto ca identity
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15. |
B. Special-usage keys ordered |
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