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2021 Dec JK0-019 free practice questions
Q261. A company plans to implement a wired network between several computers. The company wants this network to be able to have a transmission rate of 1Gbps. Which of the following cable types should be purchased?
A. Coaxial
B. CAT3
C. CAT5
D. CAT5e
Answer: D
Q262. Karen, a network technician, is troubleshooting a problem and has just established a plan of action to resolve the problem. Which of the following is the NEXT step in the troubleshooting methodology?
A. Verify full system functionality and if applicable implement preventative measures.
B. Implement the solution or escalate as necessary.
C. Document findings, actions, and outcomes.
D. Establish a theory of probable cause (e.g. question the obvious).
Answer: B
Q263. Which of the following OSI model layers is used for logical addressing?
A. Physical
B. Transport
C. Network
D. Data link
Answer: C
Q264. An administrator is unable to ping a workstation. Which of the following tools would BEST help to resolve the issue?
A. Cable tester
B. Multimeter
C. Toner probe
D. Protocol analyzer
Answer: A
Q265. Which of the following troubleshooting steps should be performed NEXT after a core router has been reported down?
A. Implement a solution.
B. Establish the outage cause.
C. Identify all affected areas.
D. Test a solution.
Answer: C
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Q266. Which of the following OSI layers performs error detection using a Frame Check Sequence?
A. Session
B. Transport
C. Physical
D. Data link
Answer: D
Q267. Which of the following is a purpose of a VLAN?
A. Decreases bandwidth on a network
B. Segments broadcast traffic
C. Increases port speed
D. Allows another connection to the router
Answer: B
Q268. Which of the following is true of an ACL when a packet matching an ACE is found?
A. The matching ACE is skipped to allow all other ACEs to be examined.
B. The matching ACE is processed and then the last ACE is examined.
C. The matching ACE is processed and then the next ACE is examined.
D. The matching ACE is processed and the next packet is examined.
Answer: D
Q269. Which of the following is the third layer of the OSI model?
A. Transport
B. Application
C. Data Link
D. Network
Answer: D
Q270. Joe, a user, reports that his PC is the only one that does not have network connectivity. All the wiring has been tested properly and the problem still exists. Joe is getting an APIPA address.
Which of the following is the MOST likely cause?
A. Crossover cable is being used
B. Switch was powered off
C. PoE is disabled on the port
D. Port on the switch is disabled
Answer: D