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CompTIA Network+ certification Sample Questions:

1. An administrator determines there are an excessive number of packets being sent to a web server repeatedly by a small number of external IP addresses. This is an example of which of the following attacks?

A) Man-in-the-middle
B) Worms
C) Viruses
D) DDoS

2. Which of the following protocols is commonly used for VoIP technology?

A) Telnet
B) SMTP
C) SIP
D) SNMP

3. Which of the following DNS records would a web browser access to determine the IP address of an Internet web page?

A) CNAME
B) A
C) PTR
D) MX

4. A network technician is assigned to view websites that a user has visited. Which of the following should the technician review to find this information?

A) Network sniffer
B) History logs
C) Event viewer
D) System logs

5. A technician needs to test the length of a newly installed cable run because it is believed that it exceeds the maximum specification length. Which of the following tools should be used?

A) Protocol analyzer
B) Toner probe
C) Cable certifier
D) Cable tester

Solutions: