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...
Thursday, November 3, 2022
问题：多选题Which of the following routing protocols are unable to advertise CIDR networks?（） (Select TWO)AOSPFBRIPCEIGRPDIGRPERIPv2...
Sunday, June 1, 2025
问题：单选题A small business with eight employees has just opened their office in a renovated loft in a busy downtown area. The owner of the building does not want to run any additional wiring beyond power, to preserve the historic nature of the building. Because ...
Monday, July 21, 2025
问题：单选题Which of the following is an intelligent repeater that is aware of the MAC addresses of the nodeson either side of the data link?（）A GatewayB HubC BridgeD Router...
Monday, July 15, 2024
问题：单选题Which of the following security mitigation techniques is the MOST effective against zero-day attacks?（）A Update antivirus definitionsB MAC filteringC Effective security policiesD User awareness training...
Saturday, June 7, 2025
问题：单选题Which of the following commands is used to display other computers running on the network?（）A hostnameB ipconfigC net viewD nslookup...
Thursday, May 23, 2024
问题：单选题Session affinity is a feature of which of the following devices?（）A DNS serverB DHCP serverC Load balancerD IPS...
Sunday, December 24, 2023
问题：单选题Which of the following protocols requests membership to a multicast group?（）A IGMPB SNMPC SMTPD ICMP...
Tuesday, July 25, 2023
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A VPN connection is not working correctly and the technician is unable to ping the VPN server. Which of the following actions should the technician do FIRST?（）A Call their local ISPB Verify the IP information of the serverC Check their local Internet c...
Thursday, May 1, 2025
问题：单选题Users are unable to stay connected to the company's wireless network. Several times throughout the day the users' signals are dropped and they are forced to reconnect to the network. A technician determines the network cabling that supplies the WAP has...
问题：单选题Which of the following protocols defaults to port 161?（）A SFTPB SNMPC SMTPD SNTP...
Tuesday, July 9, 2024
问题：单选题Which of the following wireless technologies can support the GREATEST distance on either 2.4GHz or 5GHz frequencies?（）A 802.11aB 802.11bC 802.11gD 802.11n...
Monday, October 2, 2023
问题：单选题Which of the following tools is used to show the active routes on a workstation?（）A nbstatB arp -aC arp pingD netstat -r...
问题：单选题Which of the following is used to create multiple networks from one large network?（）A PATB NATC MulticastD Subnetting...
Monday, March 31, 2025
问题：单选题In order for computers with private IP addresses to access the public Internet, which of thefollowing must the router perform?（）A NATB BGPC DHCPD APIPA...
Friday, May 2, 2025
问题：单选题Which of the following network cable types requires grounding?（）A STPB UTPC FiberD Serial...
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 components is typically used for voice transmissions and has a 10Mbpsmaximum transfer speed?（）A 110 blockB Patch panelC Vertical cross connectD 66 block...
问题：单选题Which of the following describes what the number two represents in l00Base2 cabling?（）A FiberB Coaxial cableC UTPD Twisted pair...
Saturday, April 5, 2025
