CompTIA JK0-019 Online Practice Questions and Exam Preparation

CompTIA JK0-019 Online Questions & Answers

• Question 361:

  A user's workstation is experiencing multiple errors when trying to open programs. Which of the following log files should the technician review to assist in troubleshooting these errors?

  A. History Log
  B. Application Log
  C. System Log
  D. Security Log
  B. Application Log

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  As application logs provide the user wheather application is compatible with system or not.Or what is the cuase which is making trouble.

• Question 362:

  A company has installed a wireless network for visitors to use. They wish to give the visitors easy access to that network. Based on the configurations below, which of the following should the administrator change? Access Point 1Access Point 2

  802.11g802.11b

  Encryption: WPA2Encryption: WEP

  Channel: 1Channel: 7

  SSID. CompanyWiFiSSID. Visitor

  A. Change the SSID on Access Point 2 to OPEN.
  B. Disable SSID broadcasting on Access Point 1.
  C. Change the encryption on Access Point 2 to WPA2.
  D. Remove the WEP encryption from Access Point 2.
  D. Remove the WEP encryption from Access Point 2.

• Question 363:

  Which IEEE protocol is used with VLAN technology?

  A. 802.11a
  B. 802.11b
  C. 802.1m
  D. 802.1q
  D. 802.1q

• Question 364:

  Which of the following technologies can change channel widths?

  A. 802.11a
  B. 802.11b
  C. 802.11n
  D. Bluetooth
  C. 802.11n

• Question 365:

  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 366:

  A web server that provides shopping cart capabilities for external end users will likely function with which of the following protocols?

  A. HTTPS
  B. POP3
  C. SSH
  D. SMTP
  A. HTTPS

• Question 367:

  PKI is a method of user authentication which uses which of the following?

  A. Various router commands
  B. Access control lists
  C. Certificate services
  D. A RADIUS server
  C. Certificate services

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  A PKI (public key infrastructure) enables users of a basically unsecure public network such as the Internet to securely and privately exchange data and money through the use of a public and a private cryptographic key pair that is obtained and shared through a trusted authority. The public key infrastructure provides for a digital certificate that can identify an individual or an organization and directory services that can store and, when necessary, revoke the certificates. Although the components of a PKI are generally

• Question 368:

  A technician is assigned the task of connecting two buildings 125 meters apart (410 ft.). Which of the following cable types should the technician consider?

  A. CAT5e Cable
  B. CAT5 Cable
  C. Plenum
  D. Single mode fiber
  D. Single mode fiber

• Question 369:

  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 370:

  At which of the following locations does the responsibility of a Telco provider cease?

  A. IDF
  B. CSU
  C. Demarc
  D. MDF
  C. Demarc