HomeNetwork Fundamentals – Level 5 Certification ExamNetwork Fundamentals – Level 5Full nameEmail addressGenderSelectMaleFemaleOtherPrefer not to sayCurrent statusSelectSchool studentCollege studentWorking professionalJob seekerTeacher/TrainerOther I agree that my details and score may be stored for quiz administration.Start QuizQuestion 1 of 25SDNHard4 mark(s)1. Which SDN component typically makes centralized forwarding decisions?Select one answer.ControllerPatch panelAccess point radioDHCP relay onlyNetwork SecurityHard4 mark(s)2. What is microsegmentation primarily intended to accomplish?Select one answer.Replace DNSApply granular policies between workloadsIncrease cable lengthRemove all routing tablesTroubleshootingHard5 mark(s)3. Which data sources are useful for advanced network troubleshooting?Select all correct answers.Interface countersDevice logsFlow recordsPacket capturesNetwork AutomationHard4 mark(s)4. Which automation format is commonly used to represent structured network configuration data?Select one answer.MP3EXEYAMLJPEGNetwork SecurityHard4 mark(s)5. What does a stateful firewall track that a stateless ACL normally does not?Select one answer.DNS zone serialOnly source MAC vendorCable categoryConnection stateNetwork SecurityHard4 mark(s)6. Which security control can verify device or user identity before granting LAN access?Select one answer.802.3ad802.1XLLDP802.1QTroubleshootingHard4 mark(s)7. Which symptom most strongly suggests asymmetric routing is affecting a stateful firewall?Select one answer.A switch has no VLANsReturn traffic follows a different path and sessions failAll cables are unpluggedDNS names resolve slowlyIPv6Hard4 mark(s)8. Which technology allows IPv6-only clients to communicate with IPv4-only servers using translation and DNS synthesis?Select one answer.NAT64 with DNS64GRE onlyLACPMPLS L2VPN onlyNetwork DesignHard5 mark(s)9. Which elements belong in a resilient enterprise network design?Select all correct answers.Monitoring and alertingDiverse failure domainsRedundant pathsDocumented recovery proceduresTroubleshootingHard5 mark(s)10. Which observations help identify a duplex mismatch?Select all correct answers.Perfect full-duplex performanceLate collisionsPoor throughputInterface errorsBGPHard4 mark(s)11. Which BGP attribute is generally evaluated first when selecting a best path on many implementations?Select one answer.MEDRouter IDOriginWeightNetwork DesignHard4 mark(s)12. Which design principle limits the impact of a single device or link failure?Select one answer.Eliminate single points of failureUse one large broadcast domainUse one power supplyDisable routing protocolsQoSHard4 mark(s)13. Which QoS behavior discards lower-priority packets before a queue becomes completely full?Select one answer.LACPNATSTPWREDMPLSHard4 mark(s)14. What is the primary function of MPLS labels?Select one answer.Forward traffic along label-switched pathsAssign DHCP leasesReplace Ethernet addressesEncrypt application payloadsRoutingHard4 mark(s)15. What is the purpose of ECMP routing?Select one answer.Use multiple equal-cost pathsEncrypt routing updatesBlock all backup routesReduce VLAN IDsIPv6Hard4 mark(s)16. Which IPv6 mechanism allows a host to generate an address using router advertisements without a DHCPv6 server?Select one answer.PATARPSLAACNAT64TroubleshootingHard4 mark(s)17. Users can reach a web server by IP but not by hostname. Which service is the most likely problem?Select one answer.DNSSTPNTPDHCPOSPFHard4 mark(s)18. Which OSPF LSA type is generated by an ABR to advertise networks from one area into another?Select one answer.Type 5Type 2Type 1Type 3TroubleshootingHard4 mark(s)19. After adding a redundant switch link, the network becomes unstable with repeated broadcasts. What is the likely cause?Select one answer.MTU mismatchIPsec failureLayer 2 loopDNS cache poisoningTroubleshootingHard4 mark(s)20. What does an MTU mismatch commonly cause?Select one answer.Incorrect DNS zonesMAC address exhaustionFragmentation or dropped large packetsDuplicate IP assignment onlyNetwork ManagementHard4 mark(s)21. Which method provides passive visibility into traffic by exporting summarized flow records?Select one answer.Full packet capture onlyARP inspectionNetFlow or IPFIXTFTPNetwork SecurityHard5 mark(s)22. Which controls can reduce Layer 2 spoofing attacks?Select all correct answers.IP Source GuardUnrestricted trunkingDynamic ARP InspectionDHCP snoopingTroubleshootingHard4 mark(s)23. A host cannot reach remote networks but can reach local subnet peers. Which setting should be checked first?Select one answer.DNS suffixNTP serverDefault gatewayMAC vendorBGPHard4 mark(s)24. Which BGP attribute is commonly used inside an autonomous system to prefer an outbound path?Select one answer.AS PathCommunity onlyOriginLocal PreferenceRouting SecurityHard5 mark(s)25. Which practices improve routing protocol security?Select all correct answers.Advertise every internal prefix to every peerFilter accepted and advertised prefixesUse passive interfaces where appropriateAuthenticate routing neighborsPreviousNextSubmit Quiz Related Discover more from SanchitGurukul Subscribe to get the latest posts sent to your email. Type your email… Subscribe
