CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 281:

  Which of the following can assist when troubleshootng a cable that meets the 1000BaseLX specifcaton?

  A. Multmeter
  B. OTDR
  C. Link state
  D. Protocol analyier
  B. OTDR

• Question 282:

  Which of the following appliances creates and manages a large number of secure remote-access sessionsf and also provides a high availability soluton?

  A. Media converter
  B. Proxy server
  C. VPN concentrator
  D. Load balancer
  C. VPN concentrator

• Question 283:

  Joef a userf has a computer that has a link light on his network interface card (NIC); howeverf Joe is unable to access the Internet. Which of the following is the cause of this issue?

  A. Faulty GBIC
  B. Faulty SFP
  C. Cable is a crossover
  D. VLAN mismatch
  D. VLAN mismatch

• Question 284:

  Zachf a technicianf wants to test a laptopns NIC for functonality but has no other networking equipment to atach it to. Which of the following would allow him to test basic functonality of the NIC?

  A. Loopback plug
  B. Protocol analyier
  C. Smart jack
  D. Coupler
  A. Loopback plug

• Question 285:

  Joef a technicianf is troubleshootng connectvity issues with a new data circuit. Joe verifes that the ST fber jumper is good. Which of the following is the problem?

  A. TX/RX reversed
  B. Interference
  C. Cable length
  D. Bad connectors
  A. TX/RX reversed

• Question 286:

  Which of the following defnes an IP address that is NOT routed on the Internet?

  A. Multcast
  B. Public
  C. Private
  D. Classful
  C. Private

• Question 287:

  Using source port numbers as a way to keep track of connectons is a characteristc of which of the following protocols?

  A. TCP
  B. UDP
  C. NAT
  D. PAT
  D. PAT

• Question 288:

  A security appliance is blocking a DDoS atack on the network. Which of the following logs would be used to troubleshoot the trafc paterns trying to go across the network?

  A. IPS logs
  B. Applicaton logs
  C. IDS logs
  D. History logs
  A. IPS logs

• Question 289:

  Which of the following cable types is employed to protect against interference in the physical environment or when security is a concern?

  A. STP
  B. RG-6
  C. Fiber
  D. RG-59
  C. Fiber

• Question 290:

  Zachf a network technicianf is confguring several switches to be managed remotely. Which of the following must be confgured to connect via SSH to each of those devicesf as well as to retrieve various parameters?

  A. PoE setngs and VTP confguraton
  B. SNMP confguraton only
  C. IP address and SNMP confguraton
  D. QoS and PoE setngs
  C. IP address and SNMP confguraton