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CompTIA Network+ certification Sample Questions:

1. Which of the following standards can operate at 40MHz channel spacing?

A) 802.11g
B) 802.11a
C) 802.11b
D) 802.11n

2. Which of the following authentication solutions also provides AAA and uses TCP?

A) Kerberos
B) RAS
C) TACACS+
D) RADIUS

3. A client's computer is unable to access any network resources. Which of the following utilities can a technician use to determine the IP address of the client's machine?

A) ipconfig
B) dig
C) tracert
D) nslookup

4. Network upgrades have been completed and the WINS server was shutdown. It was decided that NetBIOS network traffic will no longer be permitted. Which of the following will accomplish this objective?

A) IP filtering
B) Port filtering
C) MAC filtering
D) Content filtering

5. A company wants to only allow incoming HTTP and HTTPS traffic on their public wireless network. Which of the following port numbers should be the only allowed open ports on the firewall to accomplish this? (Select TWO).

A) 8080
B) 80
C) 143
D) 443
E) 20

Solutions: