CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 401:

  Which of the following supports faster wireless broadband speeds?

  A. Satellite
  B. Wi-MAX
  C. ISDN
  D. OC-3
  B. Wi-MAX

  ---

  Wi-MAX (Worldwide Interoperability for Microwave Access) is a wireless communications standard designed to provide 30 to 40 megabit-per-second data rates with the 2011 update providing up to 1 G bit/s for fixed stations

• Question 402:

  The network administrator installed a new dipole antenna that extends 100 feet (30.48 meters) from the existing AP. All components are correct, functional, and installed properly. However, during validation, there is a very weak signal coming from the antenna. Which of the following is the MOST likely cause of the issue?

  A. The installation exceeds the link limitations
  B. The antenna is mounted for vertical polarization
  C. The dBi output of the antenna is too low
  D. The radio is too powerful for the installation
  A. The installation exceeds the link limitations

  ---

  Unlike isotropic antennas, dipole antennas are real antennas. Dipole antennas have a different radiation pattern compared to isotropic antennas. The dipole radiation pattern is 360 degrees in the horizontal plane and 75 degrees in the vertical plane (assuming the dipole antenna is standing vertically) and resembles a donut in shape. Because the beam is "slightly" concentrated, dipole antennas have a gain over isotropic antennas of 2.14 dB in the horizontal plane. Dipole antennas are said to have a gain of 2.14 dBi (in comparison to an isotropic antenna).

• Question 403:

  A company has gone through several upgrades on their network but unfortunately have no way of identifying who approved the upgrades. Which of the following should be implemented to track this type of work?

  A. Change management
  B. Asset management
  C. Access log
  D. Baselines
  A. Change management

• Question 404:

  A network administrator needs to configure a port on the switch that will enable all packets on a particular switch to be monitored. Which of the following would BEST complete this objective?

  A. Traffic shaping
  B. MAC filtering
  C. Port mirroring
  D. VLAN trunking
  C. Port mirroring

• Question 405:

  Which of the following is an example of a CSMA/CD medium?

  A. WEP
  B. SONET
  C. Token ring
  D. Ethernet
  D. Ethernet

  ---

  CSMA/CD is a Media Access Control method in which a carrier sensing scheme is used and also a transmitting data station that detects another signal while transmitting a frame, stops transmitting that frame, transmits a jam signal, and then waits for a random time interval before trying to resend the frame

• Question 406:

  A technician has resolved a ticket to fix a user's printer and has verified that the user is able to print with no issues. Which of the following action steps should the technician perform FIRST?

  A. Document findings and outcomes
  B. Establish a theory of probably cause
  C. Upgrade the printer drivers
  D. Close out the service ticket
  A. Document findings and outcomes

• Question 407:

  A company wants to ensure that a wireless signal from their WAP only sends down one specific corridor. Which of the following can be done to achieve this?

  A. Disable the SSID.
  B. Change the broadcast channel.
  C. Lower the signal strength.
  D. Change the antennas.
  D. Change the antennas.

• Question 408:

  A user is having trouble with their fax machine disconnecting during transmissions. The technician believes that a DSL signal may be on the same line as the fax. Which of the following tools would MOST likely help prove this hypothesis?

  A. Multimeter
  B. Cable tester
  C. Lineman's handset
  D. Toner probe
  C. Lineman's handset

• Question 409:

  A network administrator is planning to install wireless access points across the enterprise. Which of the following should be considered when installing at remote locations?

  A. PoE
  B. BSSID
  C. MAC filtering
  D. NAT
  A. PoE

• Question 410:

  Which of the following STP states indicates an inactivated port due to a loop?

  A. Disabled
  B. Learning
  C. Blocking
  D. Forwarding
  C. Blocking