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CompTIA Network+ certification Sample Questions:

1. Users are reporting a large decrease in network performance. After further investigation, the network administrator notices large amounts of traffic coming from a specific IP address. The network administrator needs to identify the payload of the network traffic. Which of the following could be used to collect that information?

A) route
B) sniffer
C) ping
D) ipconfig

2. A user reports that they are unable to access a new server but are able to access all other network resources. Based on the following firewall rules and network information, which of the following ACL entries is the cause?
User's IP: 192.168.5.14 Server IP: 192.168.5.17 Firewall rules: Permit 192.168.5.16/28192.168.5.0/28 Permit 192.168.5.0/24192.168.4.0/24 Permit 192.168.4.0/24192.168.5.0/24
Deny 192.168.5.0/28192.168.5.16/28 Deny 192.168.14.0/24192.168.5.16/28 Deny 192.168.0.0/24192.168.5.0/24

A) Implicit Deny rule
B) Deny 192.168.0.0/24192.168.5.0/24
C) Deny 192.168.5.0/28192.168.5.16/28
D) Deny 192.168.14.0/24192.168.5.16/28

3. When Jeff, a technician, is troubleshooting a problem, which of the following is the NEXT step after verifying full system functionality?

A) Implement the solution.
B) Document findings, actions, and outcomes.
C) Establish a theory of probable cause.
D) Establish a plan of action to resolve the problem and identify potential effects.

4. A service provider is unable to maintain connectivity to several remote sites at predetermined speeds. The service provider could be in violation of the:

A) SOW.
B) ML
C) SLA.
D) MOU.

5. Which of the following network topologies describes a network where each node is connected to multiple devices?

A) Star
B) Ring
C) Bus
D) Mesh

Solutions: