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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

1. Which of the following can use a third party back-end LDAP user database for authentication?

A) ISAKMP
B) TACACS+
C) CHAP
D) PKI

2. A technician has been dispatched to investigate connectivity problems of a recently renovated office. The technician has found that the cubicles were wired so that the network cables were run inside the conduit with the electrical cabling. Which of the following would MOST likely resolve the connectivity issue?

A) Re-run the network cabling so that they are 12 inches or more away from the electrical lines.
B) Power-cycle the computers and switches to re-establish the network connection.
C) Test the wiring in the network jacks for faults using a cable verifier.
D) Re-run the network cabling through the ceiling alongside the lights to prevent interference.

3. Ann, a new user, is unable to communicate on the network from her computer. A technician has verified that the cables are functioning properly. Based on the information below, which action should the technician take to correct Ann's problem?
Computer_ASwitch_A
IP: 10.0.0.60Int VLAN10
SM: 255.255.255.0IP address 10.0.0.1/28
GW: 10.0.0.1Speed 100 Duplex Full

A) Change the IP address of the computer to 10.0.0.12
B) Change the duplex on the switch interface to half
C) Change the speed on the switch interface to 10Mbps
D) Change the subnet mask of the computer to 255.255.255.240

4. An administrator is using a packet sniffer to try to determine what is causing the traffic on the network. The administrator sees a lot of packets on port 25. Which of the following traffic types is MOST likely using port 25?

A) SSH
B) TELNET
C) DNS
D) SMTP

5. The network technician has recently implemented VLANs on the company network. Ever since this implementation, sections within the company can no longer share information. While troubleshooting, the technician realizes they are unable to ping a device from another VLAN. Which of the following needs to be configured to fix this problem?

A) Configure 802.1x trunks on the switches
B) Clear the ARP table
C) Add host entries on the user's computer
D) Configure 802.1q trunks on the switches

Solutions: