Nov 2021 updated: Testking CompTIA JK0-019 free exam 121-130

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Q121. Joe, a technician, is setting up an IDS security device. Which of the following should be configured on the switch to utilize the IDS? 

A. PoE 

B. Port mirroring 

C. Convergence 

D. Port speed 

Answer: B 

Q122. Joe, a user, accidentally unplugs a cable from the patch panel and plugs it into the switch stack. Now, all users are unable to access any network resources. Which of the following is the MOST likely cause? 

A. EMI 

B. Mismatched MTUs 

C. Looping 

D. Faulty module 

Answer: C 

Q123. Joe, the network technician, is configuring the channels being used within the WLAN, to ensure a minimal amount of interference. Which of the following channel setups would be used to avoid overlap? 

A. 2, 6, 10 

B. 1, 6, 11 

C. 1, 7, 10 

D. 1, 2, 3 

Answer: B 

Q124. Which of the following allows for multiple operating systems to be run simultaneously on a single server? 

A. Dual boot 

B. Multiple hard drives 

C. PXE boot 

D. Virtual machines 

Answer: D 

Q125. Which of the following improves wireless performance only allowing only one wireless transmission on the network at a time? 

A. CSMA/CA 

B. CSMA/CD 

C. Wireless encryption 

D. Wireless bonding 

Answer: A 

Latest JK0-019 exam question:

Q126. A wireless access point supports up to 20 clients. Which of the following describes this wireless network? 

A. Mesh 

B. Point to point 

C. Point to multipoint 

D. Ring 

Answer: C 

Q127. Which of the following services do TCP connections provide to application layer protocols? (Select TWO). 

A. Transport services without error recovery 

B. Large data size manageability using segmentation 

C. Secure Kerberos password encryption on data 

D. Delivery through error recovery 

E. Proxy server authentication 

Answer: BD 

Q128. Which of the following is a multifunction device in a SOHO network? 

A. Bandwidth shaper 

B. Proxy server 

C. Wireless router 

D. Load balancer 

Answer: C 

Q129. Which of the following methods can move files in clear text and can be easily intercepted? 

A. RSH 

B. SNMP 

C. FTP 

D. TELNET 

Answer: C 

Q130. Which of the following provides Kurt, a network technician, resource record information about network nodes such as canonical names? 

A. Proxy server 

B. IPS 

C. DNS 

D. DHCP 

Answer: C