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CompTIA Network+ certification Sample Questions:

1. A network administrator is performing a penetration test on the WPA2 wireless network. Which of the following can be used to find the key?

A) SQL injection
B) Dictionary file
C) Buffer overflow
D) DoS

2. After installing new cabling, Karen, a technician, notices that several computers are connecting to network resources very slowly. Which of the following tools would BEST help in determining if the new cabling is the cause of the problem?

A) Cable tester
B) Multimeter
C) Toner probe
D) Cable certifier

3. A customer has engaged a company to improve the availability of all of the customer's services and applications, enabling the customer to minimize downtime to a few hours per quarter. Which of the following will document the scope of the activities the company will provide to the customer, including the intended outcomes?

A) SLA
B) MOU
C) SOW
D) MLA

4. Which of the following ports would have to be allowed through a firewall for NTP to pass on its default port?

A) 123
B) 153
C) 163
D) 143

5. Which of the following protocols is MOST commonly used for the transfer of router configuration files?

A) DNS
B) TFTP
C) SSL
D) IMAP

Solutions: