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CompTIA Network+ certification Sample Questions:

1. Which of the following is an advantage of dynamic routing?

A) The setup and configuration are done manually.
B) It is the simplest form of routing.
C) The routes do not change.
D) It can reroute connectivity in the event of failure.

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

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

3. A technician is having issues accessing the Internet from the workstation. They are able to ping the DNS server and their default gateway. Which of the following commands can be used to verify DNS is functioning properly?

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

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

5. Lisa, an administrator, believes that the network has been attacked and there is no known definition or prevention method to help avoid this attack. Which of the following BEST describes this scenario?

A) Zero day attack
B) DoS
C) DDoS
D) SQL injection

Solutions: