Last Updated: Jun 03, 2026
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1. Which of the following 802.11n features allows for the use of multiple simultaneous frequencies in order to increase usable bandwidth?
A) MIMO
B) Spatial reuse
C) 20MHz channel spacing
D) Channel bonding
2. A customer wants to increase firewall security. Which of the following are common reasons for implementing port security on the firewall? (Select TWO).
A) Directing DNS queries to the primary server
B) Shielding servers from attacks on internal services
C) Preventing dictionary attacks on user passwords
D) Reducing spam from outside email sources
E) Blocking external probes for vulnerabilities
3. The process of restricting internal web traffic to an employee-only website based upon Layer 3 addresses is known as which of the following?
A) Session filtering
B) IP filtering
C) Traffic shaping
D) MAC filtering
4. An administrator would like to get more speed out of a wireless network. The administrator decides to configure the AP with a frequency width of 40MHz. Which of the following features is the administrator MOST likely using?
A) MIMO
B) Burst mode
C) AP isolation
D) Channel bonding
5. Which of the following would be considered a Demarc extension?
A) Copper wire connecting the main PSTN point of entry to a wall data outlet
B) Punch down block wiring
C) A patch cable connecting a cable modem with a wireless router
D) Patch panel wiring
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B,E | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: A |
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