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CompTIA JK0-023 Exam Syllabus Topics:

Section	Objectives
Topic 1: Network Management	- Network monitoring and troubleshooting 1. Performance monitoring concepts 2. Common network troubleshooting tools - Network configuration and documentation 1. Subnetting fundamentals 2. IP addressing basics (IPv4/IPv6)
Topic 2: Network Media and Topologies	- Wireless standards 1. 802.11 standards overview - Topologies 1. Star, mesh, bus, and hybrid topologies
Topic 3: Network Technologies	- Network devices and infrastructure 1. Wireless networking components 2. Routers, switches, hubs, and bridges - Cabling and connectors 1. Ethernet standards and wiring schemes 2. Copper and fiber media types
Topic 4: Network Security	- Security principles 1. Encryption and secure protocols 2. Authentication and authorization concepts - Network attacks and mitigation 1. Firewalls and access control 2. Common network threats

CompTIA Network+ certification Sample Questions:

Question 1

When using high bandwidth applications over multiple WAN connections, which of the following should be used?

A. PoE devices
B. Half-duplex
C. Static IP addressing
D. Load balancing

Question 2

Which of the following operates at OSI layer 2 to forward traffic based on the MAC
address?

A. Router
B. Switch
C. Proxy Server
D. VPN Concentrator

Question 3

Users report that an internal web server is not responding. Which of the following commands could be used on the server to confirm that the web service is running?

A. traceroute
B. nslookup
C. netstat
D. nbtstat

Question 4

A network administrator suspects that recent traffic problems could be caused by a high CPU load on company routers. Which of the following would BEST be used to monitor CPU cycles on the routers?

A. TACACS+
B. SNMP
C. Syslog
D. DOCSIS

Question 5

Which of the following is used to assign an IP address to a device?

A. RADIUS
B. DHCP
C. DNS
D. NTP

Solutions:

Question 1
Answer: D

Question 2
Answer: B

Question 3
Answer: C

Question 4
Answer: B

Question 5
Answer: B