CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 691:

  A technician sees suspicious traffic coming from a computer connected to a WAP. Which of the following can be used to stop this traffic while troubleshooting the problem?

  A. tracert
  B. QoS
  C. ipconfig
  D. MAC filtering
  D. MAC filtering

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  By doing MAC filtering technician can block the data coming from a specific mac address.

• Question 692:

  A user at a hotel sees two SSIDs; both are called "HotelWireless". After the PC connects to one of the APs, the user notices their browser homepage has been changed. Which of the following BEST describes this AP?

  A. Man-in-the-middle
  B. DDoS
  C. Evil twin
  D. War driving
  C. Evil twin

• Question 693:

  An administrator needs to open ports in the firewall for both DNS and eDNS. Which of the following default ports would need to be opened on the firewall? (Select TWO).

  A. TCP 23
  B. TCP 53
  C. TCP 123
  D. UDP 23
  E. UDP 53
  F. UDP 123
  B. TCP 53
  E. UDP 53

• Question 694:

  Which of the following BEST describes a load balancer?

  A. A device that splits traffic between multiple nodes of a clustered service.
  B. A device that allows multiple computers to access the internet through a single public IP address.
  C. A device that filters internet content based on rules and ACLs.
  D. A device that separates users onto separate WAPs for even distribution.
  A. A device that splits traffic between multiple nodes of a clustered service.

• Question 695:

  A technician is developing a shortcut sheet for the network to be able to assist in future troubleshooting scenarios. Which of the following should the network devices have to ease manageability efforts?

  A. MAC spoofing
  B. Dynamic IPs
  C. MAC filtering
  D. Static IPs
  D. Static IPs

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  To give every user same ip every time because we have to document that ip slot we use static ip configuration.

• Question 696:

  An 802.11a wireless network is functioning at which of the following frequencies?

  A. 1.0 GHz
  B. 1.5 GHz
  C. 2.4 GHz
  D. 5.0 GHz
  D. 5.0 GHz

• Question 697:

  A router operates at which of the following layers of the OSI model?

  A. Layer 2
  B. Layer 3
  C. Layer 4
  D. Layer 5
  B. Layer 3

• Question 698:

  A network administrator is deploying a new wireless network with over 50 thin WAPs and needs to ensure all WAPs use consistent firmware and settings. Which of the following methods provides this functionality?

  A. Use WAP auto-configuration
  B. Use a wireless controller
  C. Use PXE to load and track WAPs
  D. Use DHCP scope options
  B. Use a wireless controller

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  A wireless controller is used in combination with the Lightweight Access Point Protocol (LWAPP) to manage light-weight access points in large quantities by the network administrator or network operations center. The wireless LAN controller is part of the Data Plane within the Cisco Wireless Model. The WLAN controller automatically handles the configuration of anywhere from 6 to 6000 wireless access-points, depending on the model.

• Question 699:

  Which of the following DNS records must be queried to resolve the IPv6 address of a website?

  A. CNAME
  B. PTR
  C. AAAA
  D. A
  C. AAAA

• Question 700:

  If a wireless key gets compromised, which of the following would MOST likely prevent an unauthorized device from getting onto the network?

  A. Device placement
  B. Wireless standard
  C. Encryption type
  D. MAC filtering
  D. MAC filtering