CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 91:

  A small business owner is setng up a SOHO ofce. The business owner needs one device that will allow for Internet accessf trunk VLANsf translate multple private IP addresses into public IP addressesf and flter packets. Which of the following network devices will allow for all functons?

  A. A VPN concentrator
  B. A switch
  C. A router
  D. A proxy server
  C. A router

• Question 92:

  In which of the following layers of the OSI model would MAC addressing be found?

  A. Network
  B. Applicaton
  C. Data Link
  D. Transport
  C. Data Link

• Question 93:

  At which of the following layers does HTML operate?

  A. Layer 2
  B. Layer 3
  C. Layer 5
  D. Layer 7
  D. Layer 7

• Question 94:

  A technician is developing a shortcut sheet for the network to be able to assist in future troubleshootng scenarios. Which of the following should the network devices have to ease manageability eforts?

  A. MAC spoofng
  B. Dynamic IPs
  C. MAC fltering
  D. Statc IPs
  D. Statc IPs

• Question 95:

  Users at a remote site are unable to establish a VPN to the main ofce. At which of the following layers of the OSI model does the problem MOST likely reside?

  A. Presentaton
  B. Applicaton
  C. Physical
  D. Session
  D. Session

• Question 96:

  A company is expanding and has found that logging into each device to collect error informaton is consuming too much tme. They have asked Lisaf a network administratorf to set up a server that will capture errors from each device automatcally. Which of the following technologies would BEST ft this requirement?

  A. Syslog
  B. RADIUS
  C. IPSec
  D. Network snifer
  A. Syslog

• Question 97:

  A technician has installed a group of layer 2 switches with multple VLANs. The VLANs cannot talk to each other. Which of the following network devices could correct this problem? (Select TWO).

  A. Hub
  B. DNS server
  C. DHCP server
  D. Layer 3 switch
  E. Router
  D. Layer 3 switch
  E. Router

• Question 98:

  A company has atempted to introduce a new major network segment to allow growth in capacity. On the core switchf a GBIC was used to interconnect with a newly placed downstream distributon switch for the frst tme. Soon afer this implementatonf a network food and an outage occurred between the core and new distributon network modules. Which of the following should the network administrator troubleshoot FIRST in order to rectfy the issue?

  A. Check for switching loops between core and distributon switches.
  B. Check whether an incorrect VLAN has been assigned to the new distributon switch.
  C. Check for inconsistent or missing routes between the core and distributon switches.
  D. Check whether the GBIC was set to mult-mode instead of single-mode SFP.
  A. Check for switching loops between core and distributon switches.

• Question 99:

  T568B wiring scheme is typically found on which of the following components?

  A. Demarc extension
  B. 66 block
  C. Patch panel
  D. Vertcal cross connect
  C. Patch panel

• Question 100:

  Lisaf an administratorf is responsible for one Linux and two Windows servers. She would like to review all server logs centrally. Which of the following services could Lisa use in this scenario?

  A. Event logs
  B. Baselines
  C. Change management
  D. Syslog
  D. Syslog