Exam Code: JK0-019 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: CompTIA Network+ Certification Exam (JK0-019)
Certification Provider: CompTIA
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2021 Mar JK0-019 Study Guide Questions:
Q226. Which of the following components is typically used for voice transmissions and has a 10Mbps maximum transfer speed?
A. 110 block
B. Patch panel
C. Vertical cross connect
D. 66 block
Q227. Which of the following should be used to test an internal NIC without having to connect it to the network?
A. Loopback cable
B. Crossover cable
C. Rollover cable
D. Straight cable
Q228. Which of the following protocols is Karen, a user, utilizing if no handshake or data reliability are required?
Q229. A web server is running correctly but sending a RST packet to any client trying to connect using HTTP on TCP port 80. Which of the following tools should be used to determine the listening port of the web server?
Q230. After a baseline check was completed it was noted that the network was working far below the level of the last baseline. Which of the following should Joe, the technician, do NEXT to determine where the network problems are occurring?
A. Upgrade the firmware on all routers and switches
B. Reboot the entire network one device at a time
C. Conduct a network traffic analysis
D. Rerun the baseline to ensure the results were correct
Renewal JK0-019 exam answers:
Q231. A link light on a switch is an example of which of the following Ethernet properties?
A. Collision detection
B. Multiple access points
C. Carrier sense
D. Collision avoidance
Q232. Sandy, a technician, wants to limit access to a wireless network to company owned laptops, but does not want to use an encryption method. Which of the following methods would be BEST to accomplish this?
A. MAC filtering
B. SSL VPN
D. WPA Enterprise
Q233. A technician needs to troubleshoot connectivity between two devices located on the same network. Which of the following BEST describes the type of protocol being used?
Q234. Which of the following technologies would Sandy, a technician, use to connect networks at large distances without the use of physical medium?
Q235. Which of the following layers is associated with the physical hardware address of a network node?
A. Layer 1
B. Layer 2
C. Layer 6
D. Layer 7
Precise JK0-019 test question:
Q236. Which of the following WAN technologies uses a telephone cable?
D. Cable modem
Q237. Which of the following is an invalid subnet mask?
Q238. An administrator is implementing a second server due to the increased usage. Which of the following optimization techniques is the administrator using?
A. Caching engines
C. Traffic shaping
D. Load balancing
Q239. 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
Q240. Which of the following network devices would MOST likely be installed on a network to help reduce broadcast traffic and to allow individual virtual networks?