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CompTIA Network+ certification Sample Questions:

1. Which of the following is a form of encrypting packets for safe, secure data transmission within a network?

A) ICA
B) IPSec
C) RAS
D) PPTP

2. An administrator is setting up a secure wireless network. The administrator decides to support 802.11n and 802.11g with a WPA2 pre-shared key. Users are given the SSID with the pre-shared key, but the administrator has disabled the SSID broadcast and MAC filtering. Some users have reported connection issues. Which of the following would MOST likely resolve the users' connection issues?

A) Enable the SSID broadcast.
B) Enable MAC filtering.
C) Use a WEP 128-bit key.
D) Limit the devices to 802.11n only.

3. A network administrator suspects that recent traffic problems could be caused by a high CPU load on company routers. Which of the following would BEST be used to monitor CPU cycles on the routers?

A) TACACS+
B) SNMP
C) DOCSIS
D) Syslog

4. Which of the following WAN technologies uses an analog phone line to transmit data?

A) LTE
B) Satellite
C) DSL
D) Cable

5. Which of the following ports would have to be allowed through a firewall for POP3 traffic to pass on its default port?

A) 123
B) 143
C) 110
D) 443

Solutions: