NO.1 A technician suspects invalid information in the local DNS cache of a workstation. Which of the
following commands can be used to clear this?
A. nslookup
B. ifconfig
C. dig
D. ipconfig
Answer: D

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NO.2 A technician sees suspicious traffic coming from a computer connected to a WAP. Which of the
following can be used to stop this traffic while troubleshooting the problem?
A. tracert
B. QoS
C. ipconfig
D. MAC filtering
Answer: D

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NO.3 When a loop occurs, which of the following STP components determines which port to disable?
A. Convergence
B. Root bridge
C. BPDU guard
D. MAC address
Answer: B

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NO.4 A network administrator notices that load balancing is not working properly on the web cluster
as previously configured. In speaking with management, a change to the IP
addressing scheme was made yesterday which possibly affected one member of the cluster. Due to
the timing of the events, the administrator theorizes that this change caused the problem. Which of
the following should the administrator do NEXT?
A. Escalate to the management team
B. Change the IP address back to its previous state
C. Test the theory by analyzing logs
D. Create a plan of action to present to management
Answer: C

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NO.5 Which of the following can be configured on a managed network switch to send real time alerts
to a technician?
A. SSID
B. SMTP
C. SNMP
D. Syslog
Answer: C

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NO.6 A security appliance is blocking a DDoS attack on the network. Which of the following logs
would be used to troubleshoot the traffic patterns trying to go across the network?
A. IPS logs
B. Application logs
C. IDS logs
D. History logs
Answer: A

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NO.7 Which of the following does Kerberos provide?
A. Non-repudiation
B. Accounting
C. Exchange
D. Authentication
Answer: D

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NO.8 Which of the following protocols are used to connect devices in a secure manner? (Select
TWO).
A. TELNET
B. SSH
C. RDP
D. HTTP
E. DNS
F. FTP
Answer: B,C

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Exam Code: JK0-023 Latest Dumps
Exam Name: CompTIA Network+ certification
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JK0-023 Latest Dumps Exam Cram Total Q&A: 995 Questions and Answers
Last Update: 10-07,2015

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