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CompTIA Network+ certification Sample Questions:

1. A network administrator is tasked with blocking unwanted spam which is being relayed by
an internal email server. Which of the following is the FIRST step in preventing spam that is originating from bots on the network?

A) Turning off the IMAP service on the email server
B) Closing off port 25 on the firewall
C) Turning off the SMTP service on the email server
D) Closing off port 53 on the firewall

2. A network technician must utilize multimode fiber to uplink a new networking device. Which of the following Ethernet standards could the technician utilize? (Select TWO).

A) 10GBase-LR
B) 1000Base-LR
C) 10GBase-SR
D) 10GBase-T
E) 1000Base-T
F) 1000Base-SR

3. Which of the following is used to ensure traffic flows efficiently on multiple T-1 circuits?

A) Content filter
B) Proxy server
C) DNS server
D) Load balancer

4. A technician is troubleshooting a host name being directed to the wrong system. The 'arp -a' command line utility is used to identify and display which of the following?

A) Active sockets and connections
B) Internet-to-adapter translation tables
C) All TCP/IP connections and listening ports
D) Information to help diagnose DNS issues

5. A network technician has received comments from several users that cannot reach a particular website. Which of the following commands would provide the BEST information about the path taken across the network to this website?

A) netstat
B) tracert
C) ping
D) telnet

Solutions: