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CompTIA Network+ certification Sample Questions:

1. 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) hostname
B) tracert
C) ipconfig
D) net share

2. A company has attempted to introduce a new major network segment to allow growth in capacity. On the core switch, a GBIC was used to interconnect with a newly placed downstream distribution switch for the first time. Soon after this implementation, a network flood and an outage occurred between the core and new distribution network modules. Which of the following should the network administrator troubleshoot FIRST in order to rectify the issue?

A) Check whether an incorrect VLAN has been assigned to the new distribution switch.
B) Check for switching loops between core and distribution switches.
C) Check for inconsistent or missing routes between the core and distribution switches.
D) Check whether the GBIC was set to multi-mode instead of single-mode SFP.

3. A network technician is configuring a wireless network. To avoid interference from other wireless networks in the area, the technician should change which setting?

A) Firewall rule
B) Channel
C) Encryption
D) SSID

4. Which of the following BEST describes the difference between layer 2 switching and layer 2 routing?

A) Switching moves packets between hosts on different subnets, and routing moves packets between hosts on the same subnet.
B) Both routing and switching move packets between hosts on the same subnet, but routing does so at a faster pace.
C) Routing moves packets between hosts on different subnets, and switching moves packets between hosts on the same subnet.
D) Both routing and switching move packets between hosts on different subnets, but switching does so at a faster pace.

5. Which of the following 802.3 classifications has a MAXIMUM segment distance of 984 feet (300 meters)?

A) 1000BaseSX
B) 100BaseFX
C) 1000BaseT
D) 1000Base

Solutions: