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CompTIA Network+ certification Sample Questions:

1. After Karen, a new user, moves furniture into a cubicle, the computer does not connect to
the network any longer. Which of the following would be the MOST likely reason? (Select TWO).

A) Mismatched MTU
B) Bad Ethernet switch port
C) Bad patch cable
D) Bad connectors
E) TX/RX reversed

2. It has been suspected that one of the users is using the network inappropriately. As a preventive measure HR has authorized the IT department to enable port mirroring on the user's network port. Which of the following devices would be used to monitor the network activity?

A) Port analyzer
B) Multimeter
C) Network sniffer
D) Cable certifier

3. Which of the following is the unit used to transfer information at Layer 2 of the OSI model?

A) Frame
B) Packet
C) Socket
D) Session

4. An administrator has set up several IPSec and SSL tunnels to terminate on a single device. Which of the following has the administrator deployed?

A) Load Balancer
B) VPN Concentrator
C) Web-Application Firewall
D) Proxy Server

5. 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.

Solutions: