CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 721:

  Which of the following would Zachf a network engineerf use to ensure a statcally addressed device would receive the same IP addressf if it reverted to dynamic addressing?

  A. DHCP opton 3
  B. DHCP exclusion
  C. DHCP lease
  D. DHCP reservaton
  D. DHCP reservaton

• Question 722:

  Which of the following network appliances will only detect and not prevent malicious network actvity?

  A. IDS
  B. Network snifer
  C. IPS
  D. Firewall
  A. IDS

• Question 723:

  Which of the following cable types is unshielded?

  A. STP
  B. Twinax
  C. UTP
  D. Coax
  C. UTP

• Question 724:

  Joef a userf is unable to reach websitesf but is able to ping several Internet IPv4 addresses. Which of the following is the MOST likely problem?

  A. Incorrect subnet mask
  B. Incorrect DNS
  C. Missing default gateway
  D. Incorrect IPv6 address
  B. Incorrect DNS

• Question 725:

  A technician has a network with a mix of newer and older equipment. Which of the following setngs would dynamically confgure whether to use full or half duplex?

  A. Transmission speed
  B. Frequency
  C. Auto-negotate
  D. Distance
  C. Auto-negotate

• Question 726:

  Which of the following protocols is used by Windows to securely access a remote computer?

  A. RAS
  B. Telnet
  C. PPP
  D. RDP
  D. RDP

• Question 727:

  Which of the following DHCP propertes defnes the siie of the pool of available IP addresses?

  A. Optons
  B. Scope
  C. Leases
  D. Reservatons
  B. Scope

• Question 728:

  Which of the following BEST describes a load balancer?

  A. A device that splits trafc between multple nodes of a clustered service.
  B. A device that allows multple computers to access the internet through a single public IP address.
  C. A device that flters internet content based on rules and ACLs.
  D. A device that separates users onto separate WAPs for even distributon.
  A. A device that splits trafc between multple nodes of a clustered service.

• Question 729:

  Which of the following cables supports 10Gbps throughput and 100 meters as the maximum distance?

  A. T1 crossover
  B. Singlemode fber
  C. CAT6a
  D. Coaxial
  C. CAT6a

• Question 730:

  An administrator would like to scan for open ports on the subnet and determine if any vulnerable applicatons are listening. Which of the following tools would the administrator MOST likely use?

  A. Ping
  B. Nessus
  C. IMAP
  D. Telnet
  B. Nessus