CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 411:

  Which wireless standard works at a MAXIMUM data rate of up to 11Mbps?

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

• Question 412:

  Which of the following network topologies is MOST commonly used by online file sharing websites?

  A. Point to multipoint
  B. Peer-to-peer
  C. Ring
  D. Hybrid
  B. Peer-to-peer

• Question 413:

  At which layer of the TCP/IP model would cabling exist?

  A. Network Interface
  B. Internet
  C. Application
  D. Transport
  A. Network Interface

• Question 414:

  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 415:

  Which of the following is the reason why a company's network may contain a DHCP server?

  A. To assign IP addresses to devices on the network
  B. To convert IP addresses to fully qualified domain names
  C. To provide POP3 and IMAP email functionality
  D. To allow secure remote access
  A. To assign IP addresses to devices on the network

• Question 416:

  A company wants to secure its WAPs from unauthorized access. Which of the following is the MOST secure wireless encryption method?

  A. SSID disable
  B. SNMPv3
  C. WEP
  D. WPA2
  D. WPA2

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  WPA2 improves security of Wi-Fi connections by not allowing use of an algorithm called TKIP (Temporal Key Integrity Protocol) that has known security holes (limitations) in the original WPA implementation.

• Question 417:

  A technician is unable to easily trace physical connections within a network rack. Which of the following practices would save time in the future?

  A. Change management
  B. Cable management
  C. Asset management
  D. Setting baselines
  B. Cable management

• Question 418:

  Which of the following protocols occurs at Layer 4 of the OSI model?

  A. ISDN
  B. IPX
  C. GRE
  D. UDP
  D. UDP

• Question 419:

  At which of the following layers of the OSI model does ASCII work?

  A. Session
  B. Transport
  C. Presentation
  D. Application
  C. Presentation

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  The presentation layer is responsible for the delivery and formatting of information to the application layer for further processing or display. It relieves the application layer of concern regarding syntactical differences in data representation within the end-user systems. An example of a presentation service would be the conversion of an EBCDIC- coded text computer file to an ASCII-coded file.

• Question 420:

  A home user wishes to secure the wireless network using strong encryption, so they decide to use AES. Which of the following would be used as the encryption method?

  A. WEP
  B. CCMP
  C. TKIP
  D. CHAP
  B. CCMP