单选题Which of the following ports can Mike, a technician, use with an IP address to test FTPconnectivity?（）A21B25C80D8080
单选题
Which of the following ports can Mike, a technician, use with an IP address to test FTPconnectivity?（）
A
21
B
25
C
80
D
8080
参考解析
解析：
暂无解析
相关考题：
A network technician wants to use a packet analyzer to troubleshoot a reported problem with auser‘s workstation with IP address 192.168.1.45. To identify the workstation‘s packets thetechnician wants to use the workstation‘s MAC address.Which of the following protocols would provide the needed information?（）A.DHCPB.ARPC.DNSD.PING
A technician recently installed a new firewall. Which of the following ports must be open to permit HTTPS traffic?（）A、21B、23C、80D、443
Interface ge-0/0/2.0 of your router is attached to the Internet and is configured with an IP address and network mask of 71.33.252.17/24. A host with IP address 10.20.20.1 is running an HTTP service on TCP port 8080. This host isattached to the ge-0/0/0.0 interface of your router. You must use interface-based static NAT to make the HTTP service on the host reachable from the Internet. On which IP address and TCP port can Internet hosts reach the HTTP service?（）A、IP address 10.10.10.1 and TCP port 8080B、IP address 71.33.252.17 and TCP port 80C、IP address 71.33.251.19 and TCP port 80D、IP address 71.33.252.19 and TCP port 8080
Which of the following tools should Mike, a technician, use when testing a serial port?（）A、Cable testerB、MultimeterC、Loopback plugD、Logic probe
Which of the following command line utilities can Karen, a technician, use to check for open ports?（）A、nbtstatB、ipconfigC、nslookupD、netstat
Which of the following commands should Mike, a technician, use to display the available switches of a command line utility?（）A、DIR /SB、MSINFOC、ATTRIB -HD、HELP
Under which of the following circumstances would a technician use IPCONFIG /RENEW?（）A、After an unsuccessful rebootB、If a user’s IP address has been spoofedC、After using IPCONFIG /RELEASED、If the computer has an ARP address conflict
A network technician wants to use a packet analyzer to troubleshoot a reported problem with a user's workstation with IP address 192.168.1.45. To identify the workstation's packets the technician wants to use the workstation's MAC address. Which of the following protocols would provide the needed information?（）A、DHCPB、ARPC、DNSD、PING
Which of the following default ports must be opened to allow a technician to telnet into a machine?（）A、21B、23C、24D、25
Which of the following ports can Mike, a technician, use with an IP address to test FTPconnectivity?（）A、21B、25C、80D、8080
By default, which of the following ports would a network need to have opened to allow for thetransmission of incoming and outgoing email?（） (Select TWO).A、21B、25C、80D、110E、123
Which of the following ports MUST be open on the firewall to allow remote desktop connection and remote assistance traffic through？（）A、21B、443C、3389D、8080
A technician cannot connect using Remote Desktop. Which of the following ports needs to be allowed in the firewall？ （）A、23B、443C、8080D、3389
单选题Which of the following command line utilities can Karen, a technician, use to check for open ports?（）AnbtstatBipconfigCnslookupDnetstat
单选题Under which of the following circumstances would a technician use IPCONFIG /RENEW?（）AAfter an unsuccessful rebootBIf a user’s IP address has been spoofedCAfter using IPCONFIG /RELEASEDIf the computer has an ARP address conflict
单选题Which of the following should Karen, a technician, use to test a parallel port?（）ALine testerBMultimeterCNull modem cableDLoopback plugs
单选题An administrator is setting up a network and would like to prevent users from having the ability to plug their PC into the network to receive an IP address. Which of the following addressing schemes should the technician use?（）ANATBDynamicCSubnettingDStatic
单选题Which of the following tools should Mike, a technician, use when testing a serial port?（）ACable testerBMultimeterCLoopback plugDLogic probe
单选题A technician cannot connect using Remote Desktop. Which of the following ports needs to be allowed in the firewall？ （）A23B443C8080D3389
单选题A network technician wants to use a packet analyzer to troubleshoot a reported problem with a user's workstation with IP address 192.168.1.45. To identify the workstation's packets the technician wants to use the workstation's MAC address. Which of the following protocols would provide the needed information?（）ADHCPBARPCDNSDPING
单选题In which of the following locations can Mike, a technician, configure and format a newly installed hard drive so that it is accessible to the user?（）AMy ComputerBDisk ManagerCDevice ManagerDControl Panel
单选题Which of the following allows a technician to mask a private network of IP addresses behind onepublic IP address?（）ANATBSubnettingCDHCPDDNS
单选题Which of the following commands should Mike, a technician, use to display the available switches of a command line utility?（）ADIR /SBMSINFOCATTRIB -HDHELP