CompTIA CompTIA Certifications JK0-023 Questions & Answers

• Question 911:

  A small ofce has asked to have six PCs networked together by Jeff a consultant. The ofce users want fle sharing capability with no access to the Internet. Which of the following items will Jef need? (Select TWO).

  A. Network bridge

  B. RG-59 patch cabling

  C. CAT5e patch cabling

  D. Firewall

  E. Switch

  Correct Answer: CE

• Question 912:

  A managed switch ofers which of the following benefts over an unmanaged switch? (Select TWO).

  A. 802.1q

  B. SNMP

  C. Gigabit

  D. Layer 2 forwarding

  E. Fewer collision domains

  Correct Answer: AB

• Question 913:

  Which of the following would Jeff a technicianf MOST likely use to remotely verify port confguraton of a switch?

  A. traceroute command

  B. SNMP monitor

  C. nbtstat command

  D. dig command

  Correct Answer: B

• Question 914:

  Jeff an end userf has plugged in both ends of the same network cable to two adjacent jacks. Both ports are connected to the same switch in the IDF. Which of the following will MOST likely happen?

  A. VLAN malfuncton

  B. Broadcast storm

  C. Quality of Service loss

  D. Duplicate IP addresses

  Correct Answer: B

• Question 915:

  Which of the following would Zachf a network engineerf use to ensure a statcally addressed device would receive the same IP addressf if it reverted to dynamic addressing?

  A. DHCP opton 3

  B. DHCP exclusion

  C. DHCP lease

  D. DHCP reservaton

  Correct Answer: D

• Question 916:

  Which of the following services would Kimf a technicianf use to create or update a client's DNS 'A' and 'PTR' records automatcally?

  A. Kerberos

  B. BIND

  C. WINS

  D. DHCP

  Correct Answer: D

• Question 917:

  Jeff a network administratorf would like to ensure that the footprint of the companyns wireless coverage is limited to the ofce bordersf located on the premises. Which of the following features should he adjust on all of the companyns WAPs to make this change?

  A. SSID masking

  B. PPPoE

  C. Transmission power

  D. Encrypton technology

  Correct Answer: C

• Question 918:

  Which of the following should Jeff a technicianf do FIRST when setng up a SOHO network?

  A. Set up an account with an Internet service provider.

  B. Create a list of requirements and constraints.

  C. Arrange a domain name with a suitable registrar.

  D. Choose the correct operatng system version.

  Correct Answer: B

• Question 919:

  Which of the following issues is a common problem in wireless infrastructures?

  A. Incorrect port number

  B. Mismatched SSIDs

  C. Invalid telnet sessions

  D. Too many collisions

  Correct Answer: B

• Question 920:

  Jeff a customerf has requested a soluton to allow all internally and externally bound trafc to be monitored. Which of the following would allow a packet snifer to do this?

  A. A VPN client and VPN concentrator

  B. A smart jack installed for each network jack

  C. A managed switch with port mirroring

  D. A proxy server with content flter

  Correct Answer: C