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2018 May CompTIA Official New Released JK0-023
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CompTIA Network certification
Question No: 611 – (Topic 5)
Which of the following does Kerberos provide?
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Non-repudiation
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Accounting
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Exchange
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Authentication
Answer: D
Question No: 612 – (Topic 5)
Which of the following preventative measures would BEST secure a web server from being port scanned by attackers publicly?
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Content filter
-
Proxy server
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ACL implicit allow
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Firewall
Answer: D
Question No: 613 – (Topic 5)
Which of the following technologies allows multiple staff members to connect back to a centralized office?
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Peer to Peer
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VPN
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PKI
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VLAN
Answer: B
Question No: 614 – (Topic 5)
Lisa, a network administrator, needs to allow all websites to be accessible by the sales team for business purposes. Which of the following ports need to be enabled on the
firewall? (Select TWO).
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23
-
25
-
53
-
80
E. 443
Answer: D,E
Question No: 615 – (Topic 5)
A technician is troubleshooting authentication issues on a server. It turns out the clock on the server was 72 minutes behind. Setting the clock to the correct time fixed the issue.
Given the scenario, which of the following authentication methods was being used?
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Kerberos
-
CHAP
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TACACS
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RADIUS
Answer: A
Question No: 616 – (Topic 5)
Which of the following is an example of asymmetric encryption?
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PKI
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SHA1
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AES
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3DES
Answer: A
Question No: 617 – (Topic 5)
A network administrator is implementing an IPS on VLAN 1 and wants the IPS to learn what to prevent on its own. Which of the following would MOST likely be installed?
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Honeynet
-
Signature based IPS
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Behavior based IPS
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Host based IPS
Answer: C
Question No: 618 – (Topic 5)
Which of the following would be used in a firewall to block incoming TCP packets that are not from established connections?
-
Access control lists
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Port address translation
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Blocking unauthorized ports
-
Stateful inspection
Answer: D
Question No: 619 – (Topic 5)
Kim, a user, reports that the web browser is indicating the site certificate is not trusted. Which of the following attacks may be in progress?
-
Man-in-the-middle
-
Denial of service
-
Ping flooding
-
Smurfing
Answer: A
Question No: 620 – (Topic 5)
Which of the following provides RSA encryption at the session layer?
-
SSH
-
ISAKMP
-
SSL
-
TLS
Answer: C
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