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 ...
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问题：单选题Which of the following is used to create multiple networks from one large network?（）A PATB NATC MulticastD Subnetting...
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...
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...
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...
问题：单选题A network technician is installing a new managed 10/100 Mbps switch on the network. The network has an older printer with a 10Mbps network adapter that will be moved to the new switch. Which of the following settings on the switch will need to be confi...
问题：单选题An administrator is implementing a second server due to the increased usage. Which of the following optimization techniques is the administrator using?（）A Caching enginesB QoSC Traffic shapingD Load balancing...
问题：单选题Data encryption and decryption occurs at which layer of the OSI model?（）A TransportB PresentationC SessionD Application...
问题：单选题Which of the following is a valid IP address in the public addressing scheme?（）A 10.20.1.1B 168.192.10.1C 233.10.20.1D 172.20.10.1...
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...
问题：单选题Session affinity is a feature of which of the following devices?（）A DNS serverB DHCP serverC Load balancerD IPS...
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...
问题：单选题At which of the following OSI model layers is HTTPS encryption performed?（）A Layer 3B Layer 5C Layer 6D Layer 7...
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...
问题：单选题An administrator only has one public IP address that must be shared among five employees. Which of the following network schemes should be used?（）A SNATB SNAPC NACD MPLS...
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...
问题：单选题Which of the following protocols uses UDP to transfer files?（）A FTPB SFTPC SMTPD TFTP...
问题：单选题When ordering switches for a new building, which of the following is the BEST way for the technician to determine the number of switches to put in each network closet?（）A Review the architectural plans to see how many drops go to each closet.B Count th...
问题：单选题A computer configured to use DHCP cannot locate a DHCP server. Automatic Private IP Address(APIPA) will assign which of the following addresse？（）A 172.16.1.25B 169.254.1.25C 10.16.1.25D 192.168.1.25...
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...
