Free JK0-023 Exam Braindumps
CompTIA Network+ certification Questions 486–490 (page: 99)

Updated On: 10-Feb-2026

Which of the following network access methods is the MOST secure?

  1. PPPoE
  2. SIP
  3. RSH
  4. IPSec

Answer(s): D



Karen, an employee, connects to a work computer from home via the built-in Windows remote desktop connection. Which of the following is she MOST likely using to establish the connection?

  1. RDP
  2. RTP
  3. RIP
  4. RAS

Answer(s): A



A technician is implementing a wireless network at a small business. The business already has a certificate authority and RADIUS server that they would like the technician to integrate with the wireless network. Additionally, the business would like to utilize their legacy 802.11b TKIP printers. Which of the following configurations should the technician use?

  1. 802.11a with WPA2-Enterprise
  2. 802.11n with WPA-PSK
  3. 802.11n with WPA2-PSK
  4. 802.11g with WPA-Enterprise

Answer(s): D



An administrator determines that an attack is taking place on the email server from a group of users on the same ISP. Which of the following is the BEST way to mitigate an attack on the network?

  1. Packet filtering
  2. Spam filtering
  3. MAC filtering
  4. CSU

Answer(s): A



The company is setting up a new website that will be requiring a lot of interaction with external users. The website needs to be accessible both externally and internally but without allowing access to internal resources. Which of the following would MOST likely be configured on the firewall?

  1. PAT
  2. DHCP
  3. DMZ
  4. NAT

Answer(s): C



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