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CompTIA JK0-023 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Network Security | - Security principles
|
| Topic 2: Network Management | - Network monitoring and troubleshooting
|
| Topic 3: Network Media and Topologies | - Wireless standards
|
| Topic 4: Network Technologies | - Network devices and infrastructure
|
CompTIA Network+ certification Sample Questions:
At which of the following layers do frames exist? (Select TWO).
- A. OSI model Data link layer
- B. OSI model Physical layer
- C. TCP/IP model Internet layer
- D. OSI model Network layer
- E. TCP/IP model Network Interface layer
The network technician is working in an office that has both VoIP telephone lines and analog lines. A user states that the fax machine is not sending or receiving faxes. The network technician determines that the fax machine uses an analog phone line. Which of the following tools would the technician use to troubleshoot the issue?
- A. Cable certifier
- B. Buttset
- C. Toner probe
- D. Cable tester
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 subnet mask of the computer to 255.255.255.240
- B. Change the duplex on the switch interface to half
- C. Change the IP address of the computer to 10.0.0.12
- D. Change the speed on the switch interface to 10Mbps
A company wishes to have a wireless signal broadcast only through a specific stretch of a highway tunnel. Which of the following measures will accomplish this?
- A. MAC filtering
- B. Decreasing radio strength
- C. WPA encryption
- D. Changing antenna type
Which of the following network performance methods would Lisa, a technician, use with SIP phones?
- A. Load balancing
- B. CARP
- C. QoS
- D. Caching engines
