All the CompTIA JK0-019 practice questions that with precise and verified answers are produced and updated simply by our sophisticated professionals in the field of net. Taking the actual CompTIA JK0-019 simulated test you will get a higher mark that guarantee the success. Each of our CompTIA CompTIA JK0-019 braindumps have great value and high high quality which guarantee you the passing score, or you will get the purchasing service fees back. Although if you dont wish to the refund, we can easily send an individual another CompTIA JK0-019 dumps pertaining to free. We hope you get from the CompTIA certification exam smoothly.

2021 Dec JK0-019 brain dumps

Q21. Which of the following layers of the OSI model is the presentation layer? 

A. Layer 1 

B. Layer 5 

C. Layer 6 

D. Layer 7 

Answer: C 


Q22. Which of the following services would Karen, a technician, use to create or update a client's DNS 'A' and 'PTR' records automatically? 

A. Kerberos 

B. BIND 

C. WINS 

D. DHCP 

Answer: D 


Q23. Which of the following would need to be implemented on a wireless router to allow network access based on a passphrase that the administrator would supply? 

A. WPA-PSK encryption 

B. SSID broadcast 

C. Port forwarding 

D. MAC filtering 

Answer: A 


Q24. Sandy, an administrator, is responsible for one Linux and two Windows servers. She would like to review all server logs centrally. Which of the following services could Sandy use in this scenario? 

A. Event logs 

B. Baselines 

C. Change management 

D. Syslog 

Answer: D 


Q25. An administrator is troubleshooting wireless connectivity issues at a client’s office and discovers that the machine loses connectivity when the wireless phone is being used. Which of the following WAPS should be installed to help resolve the issue? 

A. 802.1 1g 

B. 802.1X 

C. 802.11n 

D. 802.11b 

Answer: C 


Improved JK0-019 free exam questions:

Q26. A network at a small business utilizes a star topology and is experiencing frequent collisions 

A. Unmanaged switch 

B. Hardware firewall 

C. Hub 

D. Managed switch 

Answer: C 


Q27. Interior gateway protocols are used for resolving routes: 

A. Between networks 

B. Within routers 

C. Within networks 

D. Between WAPs 

Answer: C 


Q28. Which of the following defines the range of IP addresses a DHCP server can assign? 

A. Scope 

B. Lease 

C. Reservation 

D. Subnet 

Answer: A 


Q29. An administrator needs to know the workstation name of a user who called in for support in order to remotely manage it. After calling the user and having the user open a command prompt, which of the following commands would the administrator ask the user to type? 

A. Netstat 

B. Ifconfig 

C. Hostname 

D. Ping 

Answer: C 


Q30. A technician is troubleshooting a network connectivity issue with a user's desktop configured to use a static IP address. The technician notes the following configuration: 

IP 172.16.2.0 

NETMASK 255.255.254.0 

DEFAULT GATEWAY 172.16.1.1 

DNS 192.168.1.1 

Which of the following changes will allow the desktop to communicate properly with remote networks? 

A. Changing the DNS to 172.16.1.100 

B. Changing the WINS server to 172.174.136 

C. Changing the netmask to 255.255.255.0 

D. Changing the default gateway to 1 72.16.3.1 

Answer: D