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CompTIA Network+ certification Sample Questions:

1. Which of the following WAN technologies has a MAXIMUM speed of 155.52Mbps?

A) T3
B) OC-3
C) E1
D) OC-12

2. After a new firewall is installed, users report that they do not have connectivity to the Internet. The output of the ipconfig command shows an IP address of 169.254.0.101. Which of the following ports would need to be opened on the firewall to allow the users to obtain an IP address? (Select TWO).

A) UDP 67
B) TCP 67
C) TCP 68
D) TCP 53
E) UDP 68
F) UDP 53

3. A network technician is doing a wireless audit and finds an SSID that does not match the company's SSID. The company uses the SSID of ABC123, and the SSID the technician found is Default. Which of the following threats did the network technician find?

A) Rogue AP
B) Evil twin
C) AP isolation
D) DDoS

4. Users are unable to access the company's intranet website. Which of the following attacks has the network MOST likely experienced?

A) Trojan
B) DoS
C) Man-in-the-middle
D) Smurf

5. An administrator has set up a NIPS and connected it to the same switch as the internal firewall interface and the internal router. The device, however, only detects traffic from itself to the firewall or router. Which of the following explains why additional corporate traffic cannot be detected?

A) The traffic is in a classless IP range and not classful IP range.
B) The switch needs to be a layer 3 switch.
C) Port Mirroring is set up incorrectly.
D) The spanning tree protocol is preventing the traffic.

Solutions: