CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 481:

  A user receives a phone call at home from someone claiming to be from their company's IT help desk. The help desk person wants to verify their username and password to ensure that the user's account has not been compromised. Which of the following attacks has just occurred?

  A. Evil twin
  B. Phishing
  C. Man-in-the-middle
  D. Social engineering
  D. Social engineering

• Question 482:

  A network technician is assigned to view websites that a user has visited. Which of the following should the technician review to find this information?

  A. Event viewer
  B. History logs
  C. Network sniffer
  D. System logs
  B. History logs

• Question 483:

  A network administrator is reviewing logs and notices that a device with a public IP address is trying to access the web server RDP port. Which of the following tools can be used to resolve the domain of the public IP address?

  A. arp
  B. nslookup
  C. ipconfig
  D. netstat
  B. nslookup

• Question 484:

  A user would like to connect two laptops together and transfer files via the Ethernet ports. Which of the following should MOST likely be provided to the user to accomplish this?

  A. Crossover
  B. Rollover
  C. Loopback
  D. Straight cable
  A. Crossover

• Question 485:

  A technician needs to verify the time of a power outage. Which of the following may be used to determine this information?

  A. Network baseline
  B. Tracert
  C. System logs
  D. Protocol analyzer
  C. System logs

• Question 486:

  A new employee was given the following information to connect to the corporate wireless network for the first time:

  SSID:CorporateWiFi

  Encryption:WPA2

  Password:SuperSecret!

  The user enters the correct SSID and notices that encryption type or password are not required when configuring the laptop in the office, and the laptop successfully connects to the Internet. When the user brings the laptop to the conference room, a pop-up asks for the CorporateWiFi password. Which of the following is the MOST likely cause of this behavior?

  A. The laptop wireless network card is incompatible with the conference room WAP.
  B. The office walls prevent the employee from making a full connection.
  C. A rogue access point was installed by a company employee.
  D. MAC filtering is only enabled in the conference room.
  C. A rogue access point was installed by a company employee.

• Question 487:

  Which of the following WAN technologies has the HIGHEST latency?

  A. ADSL
  B. LTE
  C. Satellite
  D. WiMAX
  C. Satellite

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  Satellite WAN latency is the delay caused by the physical distance a signal must travel from earth, to the satellite, and back to earth to complete a round-trip transmission. Because of the physics involved in the round-trip-time (RTT), end-to-end latency can take 600 milliseconds or more due to geosynchronous satellites orbiting miles above the earth.

• Question 488:

  A network manager is interested in a device that watches for threats on a network but does not act on its own, and also does not put a strain on client systems. Which of the following would BEST meet these requirements?

  A. HIDS
  B. NIDS
  C. NIPS
  D. HIPS
  B. NIDS

• Question 489:

  Which of the following is used to embed the MAC address of an Ethernet interface in a corresponding IPv6 address?

  A. Subnet
  B. IANA prefix
  C. EUI-64
  D. Site-local
  C. EUI-64

• Question 490:

  A technician is troubleshooting a printing issue where some users in an office are unable to print. Which of the following should be the FIRST step in troubleshooting this issue?

  A. Reboot each of the workstations
  B. Ask users if anything changed in their environment recently
  C. Advise users to move to a different office
  D. Power cycle the printer
  B. Ask users if anything changed in their environment recently