问题:单选题A user is unable to reach the Internet. The technician asks the user to do an IPCONFIG /all. The userreports that their IP address is 172.16.1.18, subnet mask is 255.255.255.0, and their default gateway is 172.16.1.18. Which of the following is the cau...
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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...
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 security threats involves making phone calls?()A PhishingB VishingC DDoSD Xmas attack...
问题:单选题Which of the following devices transmits timed broadcasts onto an active network?()A BridgeB Unmanaged switchC DHCP clientD Firewal...
问题:单选题Which of the following is the BEST network device to allow multiple network connections to beterminated in one spot?()A A patch panelB A 66 blockC A smart jackD A cross connect...
问题:Data encryption and decryption occurs at which layer of the...
问题:单选题For an enterprise to use one of the reserved private IP address ranges, as best practice they shouldcoordinate with:()A their legal departmentB IANAC IEEED their IT department...
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 mitigation techniques would an administrator apply to a device in order torestrict remote access?()A Disable TELNETB Disable IGMP snoopingC Enable TELNET but not SSLD Disable ICMP/ping on device...
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 should be changed to secure access to a WAPs configuration management interface?()A SSIDB WPA2C DHCPD Password...
问题:单选题A network administrator needs to add an additional connection to a room. The administrator adds a new Ethernet switch and must connect it to an existing switch. Which cable type should be used to connect the two switches?()A CAT3 cableB Serial cableC C...
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 connector types is used for coax cable?()A BNCB STC LCD SC...
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 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...