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A DHCP scope is the consecutive range of IP addresses the DHCP server can lease to clients.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},310595,1790470977,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":29,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145,"preview_page_count":4},549758146520,"https://ap-avatar.wpscdn.com/avatar/80002397d8c0411e94?_k=1775819394049821470","CompTIA Network+® Lab Series  \nNetwork Concepts Lab 9: Network Troubleshooting  \nObjective 1.7: Summarize DNS concepts and components  \nObjective 1.8: Given a scenario, implement network troubleshooting methodology  \nObjective 2.3: Explain the purpose and properties of DHCP  \nObjective 4.3: Given a scenario, use appropriate software tools to troubleshoot connectivity  \nDocument Version: 2014-01-13  \nOrganization: Miami Lakes Educational Center  \nAuthor: Marlon Vernon, Academy Leader, Information Technology  \nCopyright © National Information Security, Geospatial Technologies Consortium (NISGTC)  \nThe development of this document is funded by the Department of Labor (DOL) Trade Adjustment Assistance Community College and Career Training (TAACCCT) Grant No. TC-22525-11-60-A-48; The National Information Security, Geospatial Technologies Consortium (NISGTC) is an entity of Collin College of Texas, Bellevue College of Washington, Bunker Hill Community College of Massachusetts, Del Mar College of Texas, Moraine Valley Community College of Illinois, Rio Salado College of Arizona, and Salt Lake Community College of Utah. This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this license, visit [http://creativecommons.org/licenses/by/3.0/](http://creativecommons.org/licenses/by/3.0/ or)[ or](http://creativecommons.org/licenses/by/3.0/ or) send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.  \nThe Center for Systems Security and Information Assurance (CSSIA), in partnership with the Network Development Group (NDG) is given a perpetual worldwide waiver to distribute per US Law this lab and future derivatives of these works.  \nContents  \n1 Troubleshoot a Suspected DNS Issue Using CLI Utilities ............................................ 7  \n1.1 Using the Problem-Solving Process Troubleshoot a Suspected DNS Issue.......... 7  \n1.2 Conclusion .......................................................................................................... 11  \n1.3 Review Questions ............................................................................................... 11  \n2 Configure an Operational DHCP Scope of Addresses ............................................... 12  \n2.1 Configure a DHCP Server Scope ......................................................................... 12  \n2.2 Conclusion .......................................................................................................... 23  \n2.3 Review Questions ............................................................................................... 23  \n3 Observe the Effects of a Deactivated Scope and Resolve the Configuration........... 24  \n3.1 Deactivate the DHCP Scope, Observe the Effects and Resolve the Problem .... 24  \n3.2 Conclusion .......................................................................................................... 25  \n3.3 Review Questions ............................................................................................... 25  \nIntroduction  \nThis lab is part of a series of lab exercises designed to supplement coursework and provide students with a hands-on training experience based on real world applications.  \n®  \nThis series of lab exercises is intended to support courseware for CompTIA Network+ certification.  \nNetworks are important to business processes and when they are not fully operational it is costly and frustrating to the users. Network administrators need to understand not just how to keep the network functional, but also how to approach troubleshooting problems when a network is not fully operational. This lab will review troubleshooting and a methodology that will provide ideas on where to start in the problem-solving effort. This methodology will be used as a guide in troubleshooting two protocols widely used in networks and it is important to be able to diagnose issues with them.  \nDNS and DHCP will be the two","cbCaijPXMVNQ97kN","https://ap.wps.com/l/cbCaijPXMVNQ97kN","pdf",1623219,25,"English","# Troubleshoot a Suspected DNS Issue Using CLI Utilities\n## Using the Problem-Solving Process Troubleshoot a Suspected DNS Issue\n## Conclusion\n## Review Questions\n# Configure an Operational DHCP Scope of Addresses\n## Configure a DHCP Server Scope\n## Conclusion\n## Review Questions\n# Observe the Effects of a Deactivated Scope and Resolve the Configuration\n## Deactivate the DHCP Scope, Observe the Effects and Resolve the Problem\n## Conclusion\n## Review Questions","[{\"question\":\"What problem-solving steps does the lab recommend for network troubleshooting?\",\"answer\":\"The lab uses a logical sequence: identify the problem, gather information, consider possible causes, devise a solution, implement it, test the solution, and document the solution.\"},{\"question\":\"What is DNS in this lab, and what role do DNS servers play?\",\"answer\":\"DNS resolves and maps hostnames and domain names to IP addresses. DNS servers contain associated name/IP databases and provide responses to resolvers on request.\"},{\"question\":\"What does DHCP do, and what is a DHCP scope?\",\"answer\":\"DHCP automatically assigns network configuration parameters such as IP address, subnet mask, default gateway, DNS server addresses, and lease time. A DHCP scope is the consecutive range of IP addresses the DHCP server can lease to clients.\"}]","Network+ - Network Concepts Lab 9 - Network Troubleshooting | PDF",1789884264,63]