CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 371:

  A small ofce has created an annex in an adjacent ofce space just 20 feet (6 meters) away. Karenf a network administratorf is assigned to provide connectvity between the existng ofce and the new ofce. Which of the following solutons provides the MOST security from third party tampering?

  A. CAT5e connecton between ofces via the patch panel located in buildingns communicaton closet.
  B. CAT5e cable run through ceiling in the public space between ofces.
  C. VPN between routers located in each ofce space.
  D. A WEP encrypted wireless bridge with directonal antennae between ofces.
  C. VPN between routers located in each ofce space.

• Question 372:

  Which of the following commands would be used to identfy how many hops a data packet makes before reaching its fnal destnaton?

  A. route
  B. netstat
  C. traceroute
  D. ping 127.0.0.1
  C. traceroute

• Question 373:

  A user at a hotel sees two SSIDs; both are called "HotelWireless". Afer the PC connects to one of the APsf the user notces their browser homepage has been changed. Which of the following BEST describes this AP?

  A. Man-in-the-middle
  B. DDoS
  C. Evil twin
  D. War driving
  C. Evil twin

• Question 374:

  A public website using round robin DNS is an example of:

  A. load balancing.
  B. QoS.
  C. caching engines.
  D. trafc shaping.
  A. load balancing.

• Question 375:

  Which of the following can use a third party back-end LDAP user database for authentcaton?

  A. ISAKMP
  B. TACACS+
  C. PKI
  D. CHAP
  B. TACACS+

• Question 376:

  Frame relay occurs at which of the following layers of the OSI model?

  A. Layer 1
  B. Layer 2
  C. Layer 4
  D. Layer 6
  B. Layer 2

• Question 377:

  DNS lookups for a given host are intermitently failing. Which of the following would Kimf a technicianf MOST likely use to verify this problem?

  A. arp
  B. nbtstat
  C. traceroute
  D. dig
  D. dig

• Question 378:

  1000BaseT has a MAXIMUM run distance of:

  A. 25 meters (82 feet).
  B. 100 meters (328 feet).
  C. 500 meters (1640 feet).
  D. 1000 meters (3280 feet).
  B. 100 meters (328 feet).

• Question 379:

  A technician is asked to flter inbound and outbound trafc of a specifc service on the network. Which of the following would BEST allow the technician to comply with the request?

  A. MAC fltering
  B. IP fltering
  C. Port fltering
  D. Content fltering
  C. Port fltering

• Question 380:

  Lisaf a network administratorf needs to allow all websites to be accessible by the sales team for business purposes. Which of the following ports need to be enabled on the frewall? (Select TWO).

  A. 23
  B. 25
  C. 53
  D. 80
  E. 443
  D. 80
  E. 443