Free JK0-023 Exam Braindumps
CompTIA Network+ certification Questions 411–415 (page: 84)

Updated On: 10-Feb-2026

Management has decided that they want a high level of security. They do not want Internet requests coming directly from users. Which of the following is the BEST recommendation?

  1. Content filter
  2. Proxy server
  3. Layer 3 switch
  4. Firewall

Answer(s): B



A network technician is concerned that a user is utilizing a company PC for file sharing and using a large amount of the bandwidth. Which of the following tools can be used to identify the IP and MAC address of the user's PC?

  1. System log
  2. History log
  3. Network sniffer
  4. Nslookup

Answer(s): C



A company is expanding and has found that logging into each device to collect error information is consuming too much time. They have asked Lisa, a network administrator, to set up a server that will capture errors from each device automatically. Which of the following technologies would BEST fit this requirement?

  1. Syslog
  2. RADIUS
  3. IPSec
  4. Network sniffer

Answer(s): A



A network administrator wants to balance the amount of data between two networking cards. Which of the following can be used for two or more networking cards?

  1. NIC bonding
  2. Proxy server
  3. Firewall ACLs
  4. VLANs

Answer(s): A



Which of the following performance optimization techniques would be MOST beneficial for a network-wide VoIP setup? (Select TWO).

  1. Proxy server
  2. Traffic shaping
  3. Caching engines
  4. Load balancing
  5. Quality of service

Answer(s): B,E



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