Bonus CCNA Exam Back to main page 1. What are the purposes of using DR and BDR routers?To advertise only the Network LSAsTo advertise the routers on the multi-access segmentTo ensure that updates are sent to all routers on the segmentTo reduce the number of adjacencies required on the segmentQuestion 1 of 46 2. Which of the following is not a PAgP mode?ActiveDesirableAutoOnQuestion 2 of 46 3. What needs to be configured on R1 to have this output? ip R3 2.2.2.2ip host R3 2.2.2.2ip 2.2.2.2 R3ip host 2.2.2.2 R3Question 3 of 46 4. What are some of the techniques that allow migration from IPv4 to IPv6?NAT-PTAutomatic 6to4IPSecISATAPQuestion 4 of 46 5. What type of NAT maps a private to a public address on a one-to-one basis?Port NATDynamic NATNAT OverloadStatic NATQuestion 5 of 46 6. Other than assigning an IP address, what are the two mandatory parameters that need to be assigned through DHCP?Subnet maskDefault routerLease timeDNSQuestion 6 of 46 7. What are some of the reasons for which SNMP is used?Network monitoring performanceTroubleshootingRemote network configurationTraffic pattern analysisQuestion 7 of 46 8. Which statements are true based on the output shown below? R2 is using F0/0 to connect to R3R2 has two CDP neighborsR3 is a routerR1 is using F0/0 to connect to R2Question 8 of 46 9. What are the main functions that a switch performs?Learning MAC addressesPreventing loops in the networkFiltering and forwarding framesDiscovering network devicesQuestion 9 of 46 10. An operator decides to apply the below configuration. What are consequences of this action? If GigabitEthernet5/1 goes down, the HSRP priority of the local router will be decreased by 30.If GigabitEthernet5/1 goes down, the HSRP priority of the local router will be increased by 30.If GigabitEthernet5/1 goes up, the HSRP priority of the local router will be decreased by 30.If GigabitEthernet5/1 goes up, the HSRP priority of the local router will be increased by 30.Question 10 of 46 11. Which of the following criteria is not part of the STP election algorithm?Lowest sender bridge IDLowest root bridge IDLowest root port IDLowest hello timerQuestion 11 of 46 12. Considering the below diagram and output, what is the command to add a static route on R1 toward the route 2001:1:2:3::/64? ipv6 route 2001:1:2:3::/64 FE80::C802:60FF:FE8A:0ipv6 route 2001:1:2:3::/64 f0/0 FE80::C802:60FF:FE8A:0ipv6 route 2001:1:2:3::/64 f0/0ip route 2001:1:2:3::/64 f0/0 FE80::C802:60FF:FE8A:0Question 12 of 46 13. A router has to send a packet to 172.16.27.38, and it has in its routing table the following routes: 172.16.24.0/22, 172.16.27.0/25, 172.16.27.0/24, and 172.16.0.0/19. What route will be used to forward the packet?172.16.27.0/24172.16.0.0/19172.16.27.0/25172.16.24.0/22Question 13 of 46 14. Which of the below versions of the IPv6 address 2001:0000:0000:12A0:0000:5678:af23:bcdd is not correct?2001:0:0:12A0::5678:af23:bcdd2001:0000:0:12A0::5678:af23:bcdd2001::12A0:0000:5678:af23:bcdd2001::12A0::5678:af23:bcddQuestion 14 of 46 15. You want to apply ACL 1 on the Telnet lines. What is the correct command to achieve this? ABCDQuestion 15 of 46 16. What is the command that produces this output? show ipv6 neighborsshow ipv6 cefshow ipv6 interfacesshow ipv6 addressQuestion 16 of 46 17. You have configured the router using this configuration-register value. What will happen after a reboot of the router? The router will ignore the contents of Non-Volatile RAM (NVRAM) (will ignore configuration)The router will ignore the configuration sections where passwords are referencedThe router will boot up in rommon modeThe router will boot in boot modeQuestion 17 of 46 18. What is the command to allow OSPF traffic in an ACL?access-list 101 permit ip 89 anyaccess-list 101 permit ospf any anyaccess-list 101 permit ip 89 any anyaccess-list 101 permit ospf anyQuestion 18 of 46 19. To what RSTP port state has the STP Listening port state been converted to?LearningListeningBlockingDiscardingQuestion 19 of 46 20. Considering that LACP is used to configure a Port-Channel interface, when will the EtherChannel not come up?The Etherchannel using LACP will always come up regardless of how the switches are configuredWhen both sides are configured as PassiveWhen both sides are configured as ActiveWhen one side is configured as Active and the other as PassiveQuestion 20 of 46 21. You connect to a router using the console port and see this: 'R2# '. What is this mode called?User modeEnable modePrivileged modeSuper-user modeQuestion 21 of 46 22. Which OSPF timer needs to be the same for the OSPF adjacency to come up?LSA refresh intervalDead intervalUpdate intervalHello intervalQuestion 22 of 46 23. What are the messages exchanged in a CHAP authentication?ChallengeRejectAcceptResponseQuestion 23 of 46 24. Which of the following are typical ICMPv6 messages?Neighbor SolicitationsRedirectsPrefix DiscoveryRouter SolicitationsQuestion 24 of 46 25. The following definition belongs to which RSTP port role: 'Alternative path to the root bridge but different from the root port path'?Alternate PortBackup PortRoot PortDesignated PortQuestion 25 of 46 26. What is the correct order of the state through which two routers has to go before an adjacency is established?Down, Attempt, Init, Exchange, Exstart, 2-Way, Loading, FullDown, Attempt, Init, 2-Way, Exchange, Exstart, Loading, FullDown, Attempt, Init, 2-Way, Exstart, Exchange, Loading, FullDown, Attempt, Init, Exstart, Exchange, 2-Way, Loading, FullQuestion 26 of 46 27. Considering the below output, what is the correct configuration of gi1/0/2? ACDBQuestion 27 of 46 28. What is the process through which a new header is added to the data as it passes down each OSI layer called?EncapsulationTaggingProcessingSegmentationQuestion 28 of 46 29. Which of the following is not an EIGRP packet type?QueryUpdateKeepaliveReplyQuestion 29 of 46 30. What results from each VLAN having its own subnet address?Communication between two VLANs requires a layer 3 deviceCommunication is not segmented between hosts in one VLAN and another VLANCommunication is segmented between hosts in one VLAN and another VLANCommunication between two VLANs does not require a layer 3 deviceQuestion 30 of 46 31. What are the protocols through which external authentication is possible?TELNETTACACS+RADIUSSSHQuestion 31 of 46 32. What are the RSTP link types?Point-to-pointEdgeSharedHostQuestion 32 of 46 33. Which of the following is not an OSPF area type?Not-so-stubby areaCore areaBackbone areaStub areaQuestion 33 of 46 34. In OSPF, the size of router-id is 32 bit. What is the size of the router-id field in OSPFv3?16 bits32 bits128 bits64 bitsQuestion 34 of 46 35. Which debug command returns this output? debug arp packetdebug arpdebug ip arpdebug arp resolutionQuestion 35 of 46 36. What is the best summary route for these routes: 172.16.10.0/23, 172.16.12.128/25, and 172.16.9.0/25?172.16.8.0/20172.16.8.0/22172.16.8.0/21172.16.0.0/16Question 36 of 46 37. Which of the following is not a step in the router boot-up sequence?The bootstrap loads the Cisco IOS softwareThe IOS looks for a valid configuration file in NVRAM (the startup configuration) if the configuration register isset to 0x2142The IOS looks for a valid configuration file in NVRAM (the startup configuration) if the configuration register isset to 0x2102On power on, the router first performs the POSTQuestion 37 of 46 38. What is the mechanism through which the data is reliably transferred using TCP?Flow ControlAcknowledgementsWindowingSynchronizationQuestion 38 of 46 39. You see the below messages in the logs. What is the reason for these messages, and what is the consequence? %SPANTREE-2-BLOCK_BPDUGUARD: Received BPDU on port GigabitEthernet0/1 with BPDU Guard enabled. Disabling port.%PM-4-ERR_DISABLE: bpduguard error detected on 0/1, putting 0/1 in err-disable stateThe interface will be placed in err-disabled stateThe interface will flap but eventually will come back upBPDU Guard was enabled on the portA BPDU was received on the portQuestion 39 of 46 40. What are the benefits of using VTP pruning?Propagates the VLAN configuration on all network switches Prevents VLAN information, broadcasts, multicasts, and unicasts from flooding other trunk ports whenthere is no needReduces unnecessary broadcast, multicast, and flooded unicast traffic, which in turn increasesavailable bandwidthContains the VLAN configuration on switches configured as a VTP serverQuestion 40 of 46 41. What are the benefits of using VTP?Accurate monitoring and reporting of VLANsEase of adding and removing VLANsPush VLAN configuration from a central SNMP hostVLAN consistency across the networkQuestion 41 of 46 42. What are the advantages of using the switch port’s port security feature?Identifies how many devices can connect to the switch portIdentifies a violation actionIdentifies who can connect to the switch portIdentifies whether a router or a switch was connectedQuestion 42 of 46 43. What are some reasons that RSTP improves STP convergence?Runs only on the newer platforms with faster CPUs, thus there is faster recomputation in case of network changesTransitions from the discarding (rather than blocking) state to the learning state, thus bypassing the listening stateIntegration and standardization of Cisco’s PortFast, UplinkFast, and BackboneFastWaits for three missed Hellos on a root port instead of tenQuestion 43 of 46 44. What command is needed to disaply the EIGRP neighbors?show ip eigrp table neighborsshow ip eigrp topology neighborsshow ip eigrp neighbors tableshow ip eigrp neighborsQuestion 44 of 46 45. Considering that the router needs to be configured for NAT, what command needs to be applied on the Serial interface? ip nat insideip nat outside translateip nat inside translateip nat outsideQuestion 45 of 46 46. You have telnetted to a router and started a few debug commands. However, there is nothing shown on the screen. What do you need to do to see the debugging messages on the screen?Add debug monitor" command"Add debug enable" command"Add terminal monitor" command"Add monitor debug" command"Question 46 of 46 Loading...
