问题：单选题A section of the building has been having intermittent connectivity problems lately. An action plan and solution has been created. Which of the following steps would an administrator perform NEXT?（）A Document the solution and process.B Establish the mo...

Monday, March 13, 2023

问题：单选题A layer 3 switch can move packets between subnets based on which of the following criteria?（）A 802.1q tagB PortC ApplicationD IP address...

Sunday, April 7, 2024

问题：单选题Which of the following WAN technologies modulates 24 channels into a 1 5Mbps signal?（）A ISDNB PSTNC OC-2D T1...

Tuesday, December 19, 2023

问题：单选题A user reports that the wireless network is slow and is able to see and access shared folders that are unknown to the user. Which of the following is the cause of the problem?（）A The SSID broadcast is disabled.B Wireless router is improperly configured...

Friday, March 17, 2023

问题：单选题Which of the following should be changed to secure access to a WAPs configuration management interface?（）A SSIDB WPA2C DHCPD Password...

Monday, May 15, 2023

问题：Data encryption and decryption occurs at which layer of the...

Thursday, September 22, 2022

问题：单选题A user reports that their laptop does not have network connectivity, but was working fine last week. The technician executes IPCONFIG to see what the IP address is but it comes up with a 169.254.254.1 address. This address is not part of the company's ...

Monday, July 24, 2023

问题：单选题Which of the following is an invalid IPv4 address?（）A 225.0.0.1B 254.254.0.0C 256.0.0.4D 224.2.1.4...

Tuesday, December 19, 2023

问题：单选题A user is trying to connect their new desktop to the network but is unable to get an IP address. The technician tests the cable and finds that there are too many open pairs. Which of the following wiring standards needs to be used in the replacement ca...

Monday, May 15, 2023

问题：单选题Which of the following improves wireless performance by allowing only one wireless transmissionon the network at a time?（）A CSMA/CAB CSMA/CDC Wireless encryptionD Wireless bonding...

Wednesday, September 6, 2023

问题：Data encryption and decryption occurs at which layer of the...

Thursday, September 22, 2022

问题：单选题An administrator is concerned about users utilizing the company's wireless signal with their personal laptops. Which of the following is the BEST method to use to prevent unauthorized devices from using the company's wireless network?（）A Secure VPNB MA...

Friday, April 12, 2024

问题：单选题An administrator suspects that an incorrect POTS line is carrying the DSL signal. Which of thefollowing will help diagnose this issue?（）A MultimeterB Toner probeC Protocol analyzerD Butt set...

Tuesday, March 14, 2023

问题：单选题An administrator is unable to ping a workstation. Which of the following tools would BEST help toresolve the issue?（）A Cable testerB MultimeterC Toner probeD Protocol analyzer...

Wednesday, December 27, 2023

问题：单选题Which of the following tools would allow an administrator to push out a software update to allswitches on the network?（）A Network managementB Protocol analyzerC Network monitoringD System diagnostic...

Wednesday, August 23, 2023

问题：单选题Which of the following LAN technologies is considered fast Ethernet and uses two pairs of cabling,one pair for sending and the other pair for receiving?（）A 100Base-T4B 100Base-TXC 100Base-XD 100Base-FX...

Monday, October 16, 2023

问题：单选题An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）A Router routes traffi...

Sunday, November 19, 2023

问题：An administrator attempts to open a web page and sees the fo...

Monday, September 19, 2022

问题：单选题Which of the following is required if ports from VLANs on two separate switches need to broadcastto each other?（）A Port mirroringB VPNC TrunkingD Port authentication...

Wednesday, December 27, 2023

问题：单选题Which of the following describes what the number two represents in l00Base2 cabling?（）A FiberB Coaxial cableC UTPD Twisted pair...

Wednesday, August 23, 2023