Proper study guides for Most up-to-date CompTIA CompTIA Network+ Certification Exam (JK0-019) certified begins with CompTIA JK0-019 preparation products which designed to deliver the Highest Quality JK0-019 questions by making you pass the JK0-019 test at your first time. Try the free JK0-019 demo right now.

2021 Jan JK0-019 sample question

Q341. Which of the following network performance methods would Sandy, a technician, use with SIP phones? 

A. CARP 

B. Load balancing 

C. Qos 

D. Caching engines 

Answer: C 


Q342. In an enterprise setting, access switches providing network connectivity placed throughout a building are typically connected to a backbone called the: 

A. MDF 

B. Proxy 

C. Demarcation point 

D. Smart jack 

Answer: A 


Q343. A technician is reporting wireless transmission speeds of 300Mbps. Which of the following wireless standards is being used? 

A. 802.11a 

B. 802.11b 

C. 802.11g 

D. 802.11n 

Answer: D 


Q344. Two duplicate pieces of equipment can be used in conjunction for which of the following purposes? (Select TWO) 

A. High availability 

B. Fault tolerance 

C. Reduce latency 

D. Wi-MAX 

E. CARP 

Answer: AB 


Q345. Which of the following is the MOST likely authentication scheme used in 802.1x? 

A. CHAP 

B. RADIUS 

C. TACACS+ 

D. Kerberos 

Answer: B 


Renew JK0-019 test engine:

Q346. Which of the following describes the purpose of DHCP? 

A. Applying prioritization to certain types of network traffic. 

B. Resolving FQDNs to IP addresses. 

C. Filtering web content based on keywords. 

D. Dynamic assignment of IP addresses. 

Answer: D 


Q347. Which of the following DNS records would be queried to locate a company’s mail server? 

A. A 

B. MX 

C. AAAA 

D. CNAME 

Answer: B 


Q348. An administrator wants to limit access of a wireless network without requiring authorized users to enter a password or network key. Which of the following methods would MOST likely be implemented on the wireless network? 

A. Disable SSID 

B. WPA 

C. MAC filtering 

D. RAS 

Answer: A 


Q349. Which of the following is the MOST economical way for Sandy, a technician, to implement 10- Gigabit Ethernet at a datacenter? 

A. 10GBaseLR 

B. 10GBaseSR 

C. 10GBaseX 

D. 10GBaseT 

Answer: D 


Q350. Keyword and blacklist filtering would be handled at which level in a network? 

A. Layer 2 managed switch 

B. DHCP server 

C. Hardware firewall 

D. Bridge 

Answer: C