Aug 2021 updated: network+ jk0-019

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2021 Aug jk0-019 exam:

Q21. Which of the following OSI model layers is used for logical addressing? 

A. Physical 

B. Transport 

C. Network 

D. Data link 

Answer: C 

Q22. Which of the following should be used to ensure that all packets are received by every connected device? 

A. Hub 

B. Router 

C. Switch 

D. Firewall 

Answer: A 

Q23. Which of the following technologies has different upload and download speeds? 

A. OC12 


C. OC3 


Answer: D 

Q24. Which of the following ports would have to be allowed through a firewall to allow SNMP traffic to pass on its default port? (Select TWO). 

A. 22 

B. 23 

C. 143 

D. 161 

E. 162 

F. 8080 

Answer: DE 

Q25. When testing a CAT5 cable, the technician notices that pin A is open. However, the cable still works fine. Which of the following describes how this is possible? 

A. The cable was tested for 100BaseTX. 

B. The cable is a 1000BaseT cable. 

C. The switch uses link aggregation, 

D. The switch was setup to use MDIX. 

Answer: A 

JK0-019 actual exam

Leading difference between n10-005 and jk0-019:

Q26. Sandy, a technician, is fixing a wireless network that was receiving interference from a user’s cordless phone. Which of the following should Sandy configure? 

A. Channel 

B. Encryption 


D. DHCP scope 

Answer: A 

Q27. Which of the following connector types would Sandy, a network technician, use to connect a serial cable? 

A. RJ-11 


C. LC 

D. DB-9 

Answer: D 

Q28. Which of the following is an interior routing protocol that is used to provide routing within autonomous systems? 





Answer: B 

Q29. Joe, a network technician, has configured a server with the following IP settings: 

IP Address: 

Default Gateway: 


The server cannot access the Internet. Which of the following settings needs to be changed? 

A. Default gateway 

B. IP address 



Answer: A 

Q30. Which of the following features should an administrator configure to allow an IDS to watch the traffic on a switch? 

A. ARP spoofing 


C. Mirroring 

D. Spanning tree 

Answer: C 

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