To be a CompTIA is considered to be essentially the most extensively respected together with accepted names around to get a number of enterprises, these types of recommendations are often worthy of reduced which will other sorts of certification do not bring to your current income. It is documented which will paycheck raises for CompTIA JK0-019 credentialed personnel are oftentimes more than 16% plus this unique economic crisis, that wouldn?¡¥t enjoy having an opportunity to come with an added portion with improve put into the finale of these income?
2021 Jan JK0-019 free question
Q221. Which of the following is the full range of address block 192.16876.0/23?
A. 192.168.76.0-192.168.77.255
B. 192.168.76.0-192.168.76.255
C. 192.168.76.0-192.168.76.23
D. 192.168.76.0-192.168.78 0
Answer: A
Q222. Which of the following technologies allows an administrator to submit traffic to an IDS for review?
A. Spanning tree
B. VLAN
C. PoE
D. Port mirroring
Answer: D
Q223. 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
Q224. In which of the following topologies could the failure of one machine cause the entire network to stop functioning?
A. Mesh
B. Token ring
C. Star
D. Spanning tree
Answer: B
Q225. Which of the following would be used to lock all of the primary communication equipment of a building, including its demarcation point?
A. MTR
B. MDF
C. Smartjack
D. IDF
Answer: B
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Q226. Which of the following would provide a technician with a performance reference point to refer back to after hardware repair?
A. Baseline
B. Network map
C. Wire scheme
D. Asset management
Answer: A
Q227. Sandy, a technician, installs a new WAP and users are able to connect; however, users cannot access the Internet. Which of the following is the MOST likely cause of the problem?
A. The signal strength has been degraded and latency is increasing hop count.
B. An incorrect subnet mask has been entered in the WAP configuration.
C. The signal strength has been degraded and packets are being lost.
D. Users have specified the wrong encryption type and routes are being rejected.
Answer: B
Q228. Kurt, a technician, spoke to a user regarding a network problem. He searched all the logs associated with the problem and pulled the change logs for the network environment. Which of the following should Kurt perform NEXT?
A. Establish a theory of probable cause
B. Implement preventative measures
C. Implement the solution or escalate as necessary
D. Establish a plan of action to resolve the problem
Answer: A
Q229. Which of the following network cable types requires grounding?
A. STP
B. UTP
C. Fiber
D. Serial
Answer: A
Q230. Which of the following interfaces is used to connect analog devices to the Internet?
A. POTS
B. ATM
C. VDSL
D. SDSL
Answer: C