CompTIA CompTIA Certifications JK0-023 Questions & Answers

• Question 881:

  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

  Correct Answer: C

• Question 882:

  An administrator needs to install a WAP in a locaton where there is no electrical wiring. Which of the following should the administrator use to complete a successful installaton?

  A. Coaxial

  B. Wireless bridge

  C. PoE

  D. Multmode fber

  Correct Answer: C

• Question 883:

  A technician has a network with a mix of newer and older equipment. Which of the following setngs would dynamically confgure whether to use full or half duplex?

  A. Transmission speed

  B. Frequency

  C. Auto-negotate

  D. Distance

  Correct Answer: C

• Question 884:

  A technician replaces a failed router in an ofce with the same model unit using the default setngs. Afer the installatonf the technician reboots all of the PCs and servers. Upon reboot some of the PCs are receiving IP addresses on the same subnet as the new router; other PCs are receiving addresses on the same subnet as the servers. Which of the following most likely describes the issue?

  A. The DHCP lease pool was not large enough

  B. DHCP lease tmes were set too low

  C. The router is not the only DHCP server

  D. DHCP was not enabled on the replacement router

  Correct Answer: C

• Question 885:

  Multple serversn IP addresses fall within the DHCP scope assigned by the administrator. Which of the following should be implemented to ensure these statc IP addresses are not assigned to workstatons?

  A. The administrator should create exclusions for the workstatons IP addresses.

  B. The administrator should change the servers to utliie DHCP to obtain IP addresses.

  C. The administrator should change the workstatons to utliie statc IP addresses.

  D. The administrator should create exclusions for the servers IP addresses.

  Correct Answer: D

• Question 886:

  Which of the following defnes the amount of tme a host retains a specifc IP address before it is renewed or released?

  A. DHCP lease

  B. DNS sufx

  C. Subnet mask

  D. DHCP reservaton

  Correct Answer: A

• Question 887:

  A company has recently allowed its employees to telecommute two days a week. The employees MUST have a minimum of 1Mbps non-shared connecton to the Internet. Which of the following MUST the employees have at their home in order to connect to the Internet?

  A. ISDN

  B. Cable modem

  C. DSL

  D. Dial-up networking

  Correct Answer: C

• Question 888:

  Lisaf a network consultantf is asked to set up a wireless network in a home. The home user wants the wireless network to be available in every corner of the house. Which of the following additonal informaton will Lisa need to determine the equipment for the installaton? (Select TWO).

  A. The length of the house

  B. How many rooms are in the house

  C. How many users will be using the wireless network

  D. The building material of the house

  E. The cost of the house

  Correct Answer: AD

• Question 889:

  Jeff a network administratorf has been requested to install wireless access throughout the entre buildingf while utliiing a single SSID. Which of the following optons will meet this requirement?

  A. Set a separate VLAN on each WAP with the same encrypton type.

  B. Set the SSID on each WAP and set contguous WAPs to diferent channels.

  C. Set the SSID on each WAP and set contguous WAPs to the same channel.

  D. Set a separate VLAN on each WAP with the same frequency.

  Correct Answer: B

• Question 890:

  Zachf the network administratorf has just fnished installing a new 10/100/1000 switchf but receives reports from the server administrator that servers connected to the new switch seem to be experiencing slow LAN connectons. Zach checks the port connectng the new switch to the core switch and sees the following informaton: #show run interface GigabitEthernet0/10 Switchport trunk encapsulaton dot1q Switchport mode trunk Switchport trunk natve VLAN 10 Which of the following is the MOST likely cause of the slow connectons?

  A. The servers have not had VLAN tagging enabled on their NICs.

  B. Speed and duplex have not been set.

  C. VLAN tagging was not set on the trunk.

  D. The servers have been connected with CAT5 cable.

  Correct Answer: B