CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 11:

  The company's main server is using 98% of its available resources and Joe needs to evenly distribute the work to another server using which of the following?

  A. VPN concentrator
  B. Content filter
  C. Proxy server
  D. Load balancer
  D. Load balancer

• Question 12:

  A network administrator wants to add the firewall rule to allow SSH traffic to the FTP server with the assigned IP 192.168.0.15 from the Internet. Which of the following is the correct firewall rule?

  A. Allow ANY to 192.168.0.15 port 21
  B. Allow ANY to 192.168.0.15 port 22
  C. Allow ANY to 192.168.0.15 port 80
  D. Allow ANY to ANY port ANY
  B. Allow ANY to 192.168.0.15 port 22

• Question 13:

  Which of the following exist at layer three of the OSI model? (Select TWO).

  A. NIC
  B. Switch
  C. Frame
  D. Packet
  E. Router
  F. Cable
  D. Packet
  E. Router

• Question 14:

  A user enters a password into a logon box on a PC. The server and the PC then compare one-way hashes to validate the password. Which of the following methods uses this process?

  A. PKI
  B. Kerberos
  C. Single sign-on D. CHAP
  D

• Question 15:

  A computer's DNS has bad cach records.which tools can be used to clear the DNS record.

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

  ---

  ipconfig/flushdns will flush/clear the old DNS record, which includes good and bad cached records

• Question 16:

  Which of the following can assist when troubleshooting a cable that meets the 1000BaseLX specification?

  A. Multimeter
  B. OTDR
  C. Link state
  D. Protocol analyzer
  B. OTDR

• Question 17:

  Which of the following wireless standards has a maximum rate of less than 50 Mbps?

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

• Question 18:

  A technician discovers that the throughput of sales traffic on the primary connection is constantly reaching maximum level, and the sales users are beginning to report slowness while accessing cloud based applications. The technician allows traffic to use the secondary connection so that traffic would share both connections. This is an example of which of the following?

  A. QoS
  B. Caching engines
  C. Traffic shaping
  D. Load balancing
  D. Load balancing

• Question 19:

  Which of the following syslog severity codes indicates an emergency and that the system is unusable?

  B. 1
  C. 6
  D. 7
  A

• Question 20:

  Wireless network users recently began experiencing speed and performance issues after access point 2 (AP2) was replaced due to faulty hardware. The original network was

  installed according to a consultant's specifications and has always worked without a problem.

  You a network technician, have been tasked with evaluating the situation and resolving the issues to improve both performance and connectivity. Refer to the following diagram and perform any Necessary changes to the wireless and wired

  infrastructure by adjusting devices.

  Note. Adjust the LEAST number of devices needed to fix the issue all blue icons in the image are clickable.

  

  

  

  AP2 configuration is not correct. The wireless mode should be 'G' and channel should be '11'. For the wired interface, the speed should be set to 100 and duplex to 'Full'. Click 'Submit'.