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...
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问题：10GBase-T is backward compatible with which of the following...
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Which of the following should be changed to secure access to a WAPs configuration management interface?（）A SSIDB WPA2C DHCPD Password...
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Which of the following wiring distribution components uses a bridge clip to connect both sides ofthe block?（）A 110 blockB DemarcC Smart jackD 66 block...
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 improves wireless performance by allowing only one wireless transmissionon the network at a time?（）A CSMA/CAB CSMA/CDC Wireless encryptionD Wireless bonding...
问题：单选题At which of the following layers does the ICMP protocol operate?（）A Layer 1B Layer 3C Layer 4D Layer 5...
问题：单选题An administrator is trying to isolate the location of a persistent connectivity problem caused by a faulty NIC. Which of the following diagrams would assist the technician in finding the machine that is causing the problem?（）A Physical and logical netw...
问题：单选题Which of the following troubleshooting steps should be performed NEXT after a core router hasbeen reported down?（）A Implement a solution.B Establish the outage cause.C Identify all affected areas.D Test a solution....
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A wireless access point supports up to 20 clients. Which of the following describes this wirelessnetwork?（）A MeshB Point to pointC Point to multipointD Ring...
问题：单选题Which of the following utilities will produce the results printed below?（） Tracing route to 172.30.0.78 over a maximum of 30 hops . 1 1 ms 1 ms172.30.0.78A tracertB pingC arpD netstat...
问题：单选题Which of the following cable types is intended to be used on short distances and is immune to anytype of interference?（）A Singlemode fiberB Multimode fiberC Shielded twisted pairD Unshielded twisted pair...
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 ...
问题：单选题Which of the following would contain information regarding network device alerts using SNMP?（）A SyslogB Audit logC History logD Ping sweep reports...
