CompTIA JK0-019 Online Practice Questions and Exam Preparation

CompTIA JK0-019 Online Questions & Answers

• Question 701:

  An office has an 802.11a access point. A technician has been asked to identify devices that are compatible with this AP. Which of the following devices is MOST likely compatible?

  A. An 802.1q SOHO router
  B. An 802.11b tablet computer
  C. An 802.11g laptop
  D. An 802.11n smartphone
  D. An 802.11n smartphone

• Question 702:

  Which of the following security methods is used to attract users attempting to gain unauthorized access to various systems within a single network?

  A. Network based IDS
  B. Firewall
  C. Network based IPS
  D. Honeynet
  D. Honeynet

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  A network-based intrusion prevention system (NIPS) is a system used to monitor a network as well as protect the confidentiality, integrity, and availability of a network. Its main functions include protecting the network from threats, such as denial of service (DoS) and unauthorized usage.

• Question 703:

  Which of the following subnet masks indicate a subnet with exactly 254 assignable IP addresses?

  A. 255.0.0.0
  B. 255.255.0.0
  C. 255.255.255.0
  D. 255.255.255.254
  C. 255.255.255.0

• Question 704:

  Which of the following attacks is spread by attaching themselves to files?

  A. Worms
  B. Botnet
  C. DDoS
  D. FTP bounce
  A. Worms

• Question 705:

  Which of the following is a public class C IP address?

  A. 4.2.2.2
  B. 194.178.12.54
  C. 175.35.46.60
  D. 192.168.1.34
  B. 194.178.12.54

• Question 706:

  Compare the settings below to determine which of the following issues is preventing the user from connecting to a wireless network.

  

  Which of the following settings is incorrect on the client?

  A. The mode is incorrect
  B. SSID Mismatch
  C. Incorrect WEP Key
  D. Channel is set incorrectly
  B. SSID Mismatch

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  the first thing which will be checked is the SSID and it is case sensitive but in the above shown example, it is not same so it will stop user from connecting.

• Question 707:

  The network technician needs to install fiber cabling to connect two buildings less than 984 feet (300 meters) apart. Which of the following fiber types should be installed?

  A. Singlemode
  B. Multimode
  C. Crossover
  D. F-Connector
  B. Multimode

• Question 708:

  DRAG DROP - (Topic 1)

  Under each network device, drag and drop the associated broadcast and/or collison description. Objects may be used multiple times, as needed.

  

• Question 709:

  Ann, a technician, is installing network cables for an office building. Some of the cables are not showing active on the switch even when moved to different ports. Which of the following is MOST likely the cause?

  A. Port speed mismatch
  B. Faulty F-connectors
  C. Bad wiring
  D. Bad switch
  C. Bad wiring

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  Bad wiring refers to the state when you do not follow a pattern and everything seems messed up and you are not able to figure out the cause.

• Question 710:

  Standards such as JPEG and ASCII operate at which of the following OSI model layers?

  A. Presentation
  B. Data link
  C. Session
  D. Application
  A. Presentation