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2021 Jan JK0-019 exam guide

Q31. Kurt, an administrator, wants to eliminate remote access to a network from all users, except those users in Kurt’s own country. Which of the following security measures could he use to set up this functionality? 

A. MAC filtering 

B. Port filtering 

C. IP filtering 

D. TLS 

Answer: C 


Q32. An administrator is trying to isolate the location of a persistent connectivity problem caused by a faulty NIC. Which of the following diagrams would assist the technician in finding the machine that is causing the problem? 

A. Physical and logical network 

B. Physical network 

C. Logical network 

D. DHCP tables and DNS records 

Answer: A 


Q33. Which of the following uses copper wiring? 

A. 10GBaseER 

B. 10GBaseLW 

C. 100BaseFX 

D. 1000BaseT 

Answer: D 


Q34. Kurt, a customer, has been using a combination of SSID disable and WEP encryption for wireless security. Lately there have been many unauthorized devices on Kurt’s wireless network. Which of the following should also be implemented to prevent unauthorized devices from connecting? (Select TWO). 

A. SSID should be changed daily and enabled. 

B. WEP should be replaced with WPA encryption. 

C. MAC filtering should be enabled and configured. 

D. A different WAP manufacturer should be used to prevent commonly used security cracking techniques 

E. Omni-directional antennas should be used to limit signal strength 

Answer: BC 


Q35. An administrator wants to prevent users from plugging in their personal laptops and accessing the Internet without a member of the IT staff configuring the machine first. Which of the following would MOST likely be installed? 

A. Multilayer switch 

B. CSU 

C. Proxy server 

D. IDS 

Answer: C 


Most up-to-date JK0-019 exam fees:

Q36. Which of the following uses eight groups of characters for addressing? 

A. MAC 

B. IPv4 

C. IPv6 

D. DHCP 

Answer: C 


Q37. Which of the following defines access for a network? 

A. ACL 

B. RDP 

C. RAS 

D. ARP 

Answer: A 


Q38. Which of the following would be used to test out the security of a specific network by allowing it to receive security attacks? 

A. Honeynet 

B. Honeypot 

C. Vulnerability scanner 

D. Network based IDS 

Answer: D 


Q39. Which of the following is equipment provided by the telephone company that provides remote diagnostic and loopback services for subscriber lines? 

A. 66 block 

B. Demarc 

C. Smart jack 

D. 110 block 

Answer: C 


Q40. Which of the following monitors a server to see which protocols might be in use? 

A. Ping sweep 

B. Intrusion detection software 

C. Port scanner 

D. Wireless packet sniffer 

Answer: B