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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

1. A user has network connectivity per the link lights on the NIC, but cannot access any network resources or the Internet. Which of the following commands should the technician run FIRST?

A) route
B) arp
C) ipconfig
D) tracert

2. A technician is installing a surveillance system for a home network. The technician is unsure which ports need to be opened to allow remote access to the system. Which of the following should the technician perform?

A) Add the system to the DMZ
B) Disable the network based firewall
C) Implicit deny all traffic on network
D) Configure a VLAN on Layer 2 switch

3. A mobile user is no longer able to access network resources. Jeff, the network technician, is unable to ping the user's workstation. Which of the following commands would MOST likely be used on that workstation to verify its current network settings?

A) ipconfig
B) hostname
C) net share
D) tracert

4. Which of the following features can BEST be used to facilitate authorized remote access to a network?

A) Proxy server
B) VPN concentrator
C) Content filter
D) Load balancer

5. A router operates at which of the following layers of the OSI model?

A) Layer 5
B) Layer 3
C) Layer 2
D) Layer 4

Solutions: