CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 591:

  Zachf a technicianf suspects a duplicate IP address assignment on the network. Which of the following resources can be used to verify this problem?

  A. Network map
  B. Environmental monitor
  C. Placement map
  D. Syslog
  D. Syslog

• Question 592:

  An organiiaton recently installed a frewall on the network. Employees must be able to send and receive email from a POP3 server. In which of the following ways should the frewall be confgured? (Select TWO).

  A. Allow TCP port 23
  B. Allow TCP port 25
  C. Allow TCP port 110
  D. Allow UDP port 25
  E. Allow UDP port 110
  B. Allow TCP port 25
  C. Allow TCP port 110

• Question 593:

  Sandyf a network technicianf is troubleshootng connectvity to a server at a remote ofce. Which of the following utlites should be used to locate the network issue?

  A. ipconfg
  B. arp
  C. tracert
  D. netstat
  C. tracert

• Question 594:

  Lisaf a technicianf is tasked to monitor various analog POTS lines for voice actvity. Which of the following hardware tools would be used?

  A. But set
  B. Toner probe
  C. Wire mapper
  D. Cable certfer
  A. But set

• Question 595:

  Which of the following methods would be implemented to correct a network slowdown caused by excessive video streaming?

  A. Trafc shaping
  B. Proxy server
  C. VPN concentrator
  D. High availability
  A. Trafc shaping

• Question 596:

  A network administrator suspects that recent trafc 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. Syslog
  D. DOCSIS
  B. SNMP

• Question 597:

  Karenf a technicianf suspects a virus has infected the network and is using up bandwidth. She needs to quickly determine which workstaton is infected with the virus. Which of the following would BEST help Karen?

  A. Web server
  B. Syslog
  C. Network snifer
  D. SNMP
  C. Network snifer

• Question 598:

  A user reports intermitent network connectvity from their desktop PC. A technician determines the cause to be a bad wall jack and fxes the jack. Which of the following should the technician do NEXT?

  A. Test the theory
  B. Queston the user
  C. Document the outcome
  D. Verify functonality
  D. Verify functonality

• Question 599:

  Which of the following is used to determine whether or not a userns account is authoriied to access a server remotely?

  A. VPN
  B. RDP
  C. LDAP
  D. Encrypton
  C. LDAP

• Question 600:

  A SOHO company just installed new 802.11a wireless APs. All company laptops have gigabit LAN ports along with wireless-g cards. Which of the following is the issue with this setup?

  A. The laptops will have a max wireless speed of 300Mbps
  B. The wired network is likely not backwards compatble with the gigabit LAN ports on the laptops
  C. The wireless system will only functon at a slow 11Mbps
  D. The laptops are only capable of functoning on 2.4GHi spectrum
  D. The laptops are only capable of functoning on 2.4GHi spectrum