CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 141:

  Users have reported choppy audio in phone conversations since the implementation of SIP phones on the network. Which of the following should be implemented to alleviate the delays?

  A. Caching
  B. VoIP
  C. QoS
  D. SMTP
  C. QoS

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  By Qos we can prioritize the voice packets over data network.So delay and latency will get reduce.

• Question 142:

  A network technician has just upgraded a switch. The new switch's IP range and subnet mask correctly match other network devices. The technician cannot ping any device outside of the switch's own IP subnet. The previous switch worked correctly with the same settings. Which of the following is MOST likely the problem?

  A. The proxy server is set incorrectly.
  B. The Ethernet cable is pinched.
  C. The network gateway is set incorrectly.
  D. The IP address is set incorrectly.
  C. The network gateway is set incorrectly.

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  When user is able to ping everything in its own subnet that means that all the hosts are reachable however when you are not able to ping anything outside of this subnet then please check if the device is sending traffic to the correct host who should forward it to the further devices.

• Question 143:

  A technician working for a company with a wireless network named WirelessA notices a second wireless network named WirelessB. WirelessB is MOST likely a:

  A. man-in-the-middle attack
  B. rogue access point
  C. evil twin
  D. packet sniffer
  B. rogue access point

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  A rogue access point is a wireless access point that has either been installed on a secure company network without explicit authorization from a local network administrator, or has been created to allow a hacker to conduct a man-in-the-middle attack.

• Question 144:

  A network administrator is considering implementation of network access restrictions based upon layer two addressing information. Which of the following describes this method of network restrictions?

  A. MAC filtering
  B. Port filtering
  C. IP filtering
  D. ACL filtering
  A. MAC filtering

• Question 145:

  Which of the following allows for groups of ports on the same switch to operate as a part of different segmented networks?

  A. RIP
  B. STP
  C. VLAN
  D. MTU
  C. VLAN

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  Exam B

• Question 146:

  In a small office environment, one computer is set up to provide Internet access to three other computers that are not interconnected. This is an example of which of the following topology types?

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

• Question 147:

  Which of the following wiring components is used as a central point of termination for all network jacks through a building area?

  A. Demarc
  B. CSU
  C. Patch Panel
  D. Smart Jack
  C. Patch Panel

• Question 148:

  Many of the corporate users work from a coffee shop during their lunch breaks. The coffee shop only has an open wireless network. Which of the following should the administrator recommend to users to secure their wireless communications at the coffee shop?

  A. Enable the host-based firewall on each of the laptops
  B. Use a VPN after connecting to the coffee shop wireless
  C. Edit the SSID connection information and change 'open' to 'shared'
  D. Connect to the open SSID then switch on WPA2 encryption
  B. Use a VPN after connecting to the coffee shop wireless

• Question 149:

  Which of the following would a network administrator recommend to satisfy fault tolerance needs within the datacenter?

  A. Multimode fiber
  B. Setting up a new hot site
  C. Central KVM system
  D. Central UPS system
  D. Central UPS system

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  For unintruppted power supply we need ups as from this no power issue will come and our systems will remain safe.

• Question 150:

  Which of the following technologies allows multiple staff members to connect back to a centralized office?

  A. Peer to Peer
  B. VPN
  C. PKI
  D. VLAN
  B. VPN

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  VPN enables a computer to send and receive data across shared or public networks as if it were directly connected to the private network, while benefiting from the functionality, security and management policies of the private network. This is done by establishing a virtual point-to-point connection through the use of dedicated connections, encryption, or a combination of the two.