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...
查看答案
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 security threats involves making phone calls?()A PhishingB VishingC DDoSD Xmas attack...
问题:Data encryption and decryption occurs at which layer of the...
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 cables would a technician make in order to identify a physical interfaceproblem?()A SerialB LoopbackC RolloverD Console...
问题:Which of the following would be used to optimize network per...
问题:单选题Interior gateway protocols are used for resolving routes:()。A Between networksB Within routersC Within networksD Between WAPs...
问题:单选题Which of the following has the HIGHEST data rate speed?()A T1B ADSLC SDSLD OC-3...
问题:单选题A zone transfer occurs over which of the following ports?()A TCP 53B UDP 67C UDP 123D TCP 25...
问题:单选题When testing a CAT5 cable, the technician notices that pin A is open. However, the cable stillworks fine. Which of the following describes how this is possible?()A The cable was tested for 100Base-TX.B The cable is a 1000BaseT cable.C The switch uses l...
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Which of the following network hardware allows the MOST network traffic collisions?()A WAPB HubC SwitchD Router...
问题:单选题Which of the following metrics indentifies the number of connections that is between two devices?()A Hop countB MTUC LatencyD Bandwidth...
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 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...