NO.1 Zach, an administrator, needs to install a new 100 foot (30 meter) cable run from an IDF switch
to the MDF, through a room that has a large number of motors. Which of the following would be the
BEST cable type to choose?
A. CAT3
B. STP
C. Coaxial
D. Fiber
Answer: D

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NO.2 Which of the following is a link state routing protocol?
A. RIPv2
B. BGP
C. IS-IS
D. RIP
Answer: C

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NO.3 Users are reporting a large decrease in network performance. After further investigation, the
network administrator notices large amounts of traffic coming from a specific IP address. The
network administrator needs to identify the payload of the network traffic. Which of the following
could be used to collect that information?
A. ipconfig
B. ping
C. sniffer
D. route
Answer: C

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NO.4 Which of the following would a network administrator use to scan a network for vulnerabilities
?
A. ICMP
B. NMAP
C. ACL
D. TCPDUMP
Answer: B

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NO.5 Which of the following spreads out each of the individual wires of a UTP cable onto their own
metal connector?
A. BNC connection
B. 110 block
C. Plenum
D. LC connector
Answer: B

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NO.6 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.7 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.8 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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Exam Code: JK0-023 Exam PDF
Exam Name: CompTIA Network+ certification
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JK0-023 Exam PDF Real Exams Total Q&A: 995 Questions and Answers
Last Update: 11-18,2015

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