CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 541:

  Companies trying to cut down on constant documentaton of IP addresses could use which of the following?

  A. Longer lease tmes
  B. More reservatons
  C. Larger scopes
  D. Dynamic IP addressing
  D. Dynamic IP addressing

• Question 542:

  A technician is not getng a link light on two switches connected by a fber cable. Afer the cable tests goodf which of the following should the technician check NEXT?

  A. Open shorts
  B. Excessive DB loss
  C. TXRX reversed
  D. Split cables
  C. TXRX reversed

• Question 543:

  A crossover cable is MOST commonly associated with which of the following layers of the OSI model?

  A. Session
  B. Applicaton
  C. Network
  D. Physical
  D. Physical

• Question 544:

  Which of the following would a network administrator use to scan a network for vulnerabilites?

  A. ICMP
  B. NMAP
  C. ACL
  D. TCPDUMP
  B. NMAP

• Question 545:

  Kimf a network technicianf is installing a new managed 10/100 Mbps switch on the network. The network has an older printer with a 10Mbps network adapter that will be moved to the new switch. Which of the following setngs on the switch will need to be confgured to support the printer?

  A. MAC fltering
  B. IP address
  C. PoE
  D. Port speed
  D. Port speed

• Question 546:

  A userns new computer is not able to connect to the network at all. Upon further investgatonf Karenf the administratorf fnds that the wall jack is terminated with a 568B confguraton. Afer locatng the correct cable in the IDFf which of the following is the MOST likely cause of the problem?

  A. Other end of the cable is terminated with a 568B confguraton
  B. Trunk port on the switch is disabled
  C. Other end of the cable is terminated with a 568A confguraton
  D. Wall jack needs to be replaced with a smart jack
  C. Other end of the cable is terminated with a 568A confguraton

• Question 547:

  Which of the following is similar to MIMO?

  A. WPA
  B. SSID
  C. PoE
  D. Diversity
  D. Diversity

• Question 548:

  Which of the following authentcaton solutons also provides AAA and uses TCP?

  A. TACACS+
  B. Kerberos
  C. RADIUS
  D. RAS
  A. TACACS+

• Question 549:

  Which of the following improves wireless performance by allowing only one wireless transmission on the network at a tme?

  A. CSMA/CA
  B. CSMA/CD
  C. Wireless encrypton
  D. Wireless bonding
  A. CSMA/CA

• Question 550:

  CAT6 Ethernet cabling has a rated maximum transmission capability of:

  A. 10Mbps
  B. 100Mbps
  C. 20f000Mbps
  D. 10f000Mbps
  D. 10f000Mbps