CompTIA JK0-019 Online Practice Questions and Exam Preparation

CompTIA JK0-019 Online Questions & Answers

• Question 611:

  A technician has to terminate a CAT3 cable to a 110 block. Which of the following tools should the technician use?

  A. Loopback plug
  B. Multimeter
  C. Punch down
  D. Crimper
  C. Punch down

• Question 612:

  Joe, a vendor, walks into a customer's site with a laptop. While waiting for his contact to arrive, he wants to check his email. He discovers the SSID for the site's wireless network and receives a valid guest password from the receptionist. He is, however, unable to connect. Which of the following is MOST likely the problem?

  A. The customer's wireless router uses WPA encryption.
  B. The wireless router at the customer's site is configured with MAC filtering.
  C. The customer's WAP uses WEP encryption.
  D. The customer's IT department blocks all visitors from connecting to their network.
  B. The wireless router at the customer's site is configured with MAC filtering.

• Question 613:

  The day network administrator is having problems on the network and realizes that the night administrator implemented a new device that is causing broadcast traffic. Which of the following should be implemented to avoid miscommunication between the administrators?

  A. Asset management
  B. System baselines
  C. System logging
  D. Change management
  D. Change management

• Question 614:

  A network administrator is responding to a statement of direction made by senior management to implement network protection that will inspect packets as they enter the network. Which of the following technologies would be used?

  A. Packet sniffer
  B. Stateless firewall
  C. Packet filter
  D. Stateful firewall
  D. Stateful firewall

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  Stateful firewall keeps track of the state of network connections (such as TCP streams, UDP communication) traveling across it. The firewall is programmed to distinguish legitimate packets for different types of connections. Only packets matching a known active connection will be allowed by the firewall; others will be rejected.

• Question 615:

  Which of the following is the unit used to transfer information at Layer 2 of the OSI model?

  A. Packet
  B. Socket
  C. Session
  D. Frame
  D. Frame

• Question 616:

  Which of the following configurations of a wireless network would be considered MOST secure?

  A. WEP using MAC Filtering
  B. WEP and hiding the SSID
  C. WPA2
  D. WPA TKIP and hiding the SSID
  C. WPA2

• Question 617:

  A user is unable to access any network resources. The IP configuration of the workstation is as follows: IP Address: 192.168.10.32 Subnet Mask: 255.255.255.240 Default Gateway: 192.168.10.46 Which of the following would allow the user to connect to network resources?

  A. Change the default gateway to 192.168.10.1
  B. Change the default gateway to 192.168.10.254
  C. Change the IP address to 192.168.10.31
  D. Change the IP address to 192.168.10.33
  D. Change the IP address to 192.168.10.33

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  The given ip address is network id which we don't assign to the host so the next ip is applicable to this.

• Question 618:

  Which of the following is a fiber connector type?

  A. F-connector
  B. RJ-11
  C. RS-232
  D. MTRJ
  D. MTRJ

• Question 619:

  A number of remote users have reported being unable to securely log on to the company's network. Upon speaking with some of the employees experiencing the issue, no changes were made to their configurations, usernames, or passwords. The technician establishes a theory that one of the VPN concentrators may be down. Which of the following should the technician do NEXT?

  A. Plan to reboot the concentrator as the potential solution
  B. Escalate the problem to management
  C. Continue to speak to users, questioning if changes have been made
  D. Test access to the concentrator to confirm the status
  D. Test access to the concentrator to confirm the status

• Question 620:

  Which of the following protocols provides a secure connection between two networks?

  A. L2TP
  B. IPSec
  C. PPP
  D. PPTP
  B. IPSec