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Exam Code: JK0-018
Exam Name: CompTIA Security+ E2C (2011 Edition)
One year free update, No help, Full refund!
JK0-018 VCE Dumps Total Q&A: 794 Questions and Answers
Last Update: 2014-04-20

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Exam Code: JK0-016
Exam Name: CompTIA Network+(2009 Edition) Exam
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JK0-016 Real Exams Total Q&A: 700 Questions and Answers
Last Update: 2014-04-20

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Exam Code: FC0-U21
Exam Name: Fundamentals of Technology
One year free update, No help, Full refund!
FC0-U21 Training online Total Q&A: 246 Questions and Answers
Last Update: 2014-04-20

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NO.1 Which of the following protocols should be blocked at the network perimeter to prevent host
enumeration by sweep devices?
A. HTTPS
B. SSH
C. IPv4
D. ICMP
Answer: D

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NO.2 Which of the following methods of access, authentication, and authorization is the MOST secure
by default?
A. Kerberos
B. TACACS
C. RADIUS
D. LDAP
Answer: A

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NO.3 Which of the following reduces the likelihood of a single point of failure when a server fails?
A. Clustering
B. Virtualization
C. RAID
D. Cold site
Answer: A

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NO.4 Centrally authenticating multiple systems and applications against a federated user database is an
example of:
A. smart card.
B. common access card.
C. single sign-on.
D. access control list.
Answer: C

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NO.5 In an 802.11n network, which of the following provides the MOST secure method of both encryption
and authorization?
A. WEP with 802.1x
B. WPA Enterprise
C. WPA2-PSK
D. WPA with TKIP
Answer: B

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NO.6 A system administrator could have a user level account and an administrator account to prevent:
A. password sharing.
B. escalation of privileges.
C. implicit deny.
D. administrative account lockout.
Answer: B

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NO.7 Which of the following is specific to a buffer overflow attack?
A. Memory addressing
B. Directory traversal
C. Initial vector
D. Session cookies
Answer: C

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NO.8 Which of the following elements of PKI are found in a browser's trusted root CA?
A. Private key
B. Symmetric key
C. Recovery key
D. Public key
Answer: D

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