CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 811:

  Which of the following operates at OSI layer 2 to forward trafc based on the MAC address?

  A. Switch
  B. Proxy Server
  C. Router
  D. VPN Concentrator
  A. Switch

• Question 812:

  Which of the following connectors would Kimf a technicianf use only for RG-6 cables?

  A. F-connector
  B. MTRJ
  C. RJ-45
  D. RS-232
  A. F-connector

• Question 813:

  Which of the following TCP/IP model layers combines four OSI model layers?

  A. Applicaton Layer
  B. Internet Layer
  C. Transport Layer
  D. Network Interface Layer
  A. Applicaton Layer

• Question 814:

  Which of the following would MOST likely be used by a network administrator to test DNS resoluton?

  A. dig
  B. ipconfg
  C. netstat
  D. nbtstat
  A. dig

• Question 815:

  Which of the following should Kimf a technicianf update when new computers are purchased?

  A. Asset management
  B. Change management
  C. Cable management
  D. Baselines
  A. Asset management

• Question 816:

  Kimf a customerf wants to install a wireless network into a shared ofce space. There are several other wireless networks from other companies that can be detected within the ofce space. Which of the following should be confgured on Kimns wireless network to diferentate it from other wireless networks and stll provide the BEST performance and security? (Select TWO).

  A. SSID
  B. Channel
  C. Antenna type
  D. Wireless standard
  E. NAT
  A. SSID
  B. Channel

• Question 817:

  There is suspected virus actvity on the network. Which of the following would Lisaf a technicianf use to study network trafc?

  A. Protocol analyier
  B. Cable tester
  C. Cable certfer
  D. Environmental monitor
  A. Protocol analyier

• Question 818:

  An unusual amount of actvity is coming into one of the switches in an IDF. A malware atack is suspected. Which of the following tools would appropriately diagnose the problem?

  A. Cable tester
  B. Protocol analyier
  C. Load balancer
  D. OTDR
  B. Protocol analyier

• Question 819:

  Joef a network technicianf needs to connect to a computer in a factory environment 250 meters (820 feet) from the IDF. Which of the following LAN technologies would be BEST to use?

  A. 100BaseFX
  B. 10GBaseT
  C. MPLS
  D. Coaxial
  A. 100BaseFX

• Question 820:

  Several users from the fnance department report that they are able to access the Internetf but unable to connect to their fnancial applicatons. The network technician is unable to ping the fnance server. The technician decides to check the switch and determines that Internet access is working. Which of the following is a possible cause of the access issues?

  A. Faulty cable
  B. Remote management disabled
  C. Improper VLAN assignment
  D. Mismatched duplex
  C. Improper VLAN assignment