CCNA Practice Exam

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CCNA Practice ExamContentsQuestion 1...........................................................................................................................................4Question 2...........................................................................................................................................5Question 3...........................................................................................................................................5Question 4...........................................................................................................................................5Question 5...........................................................................................................................................5Question 6...........................................................................................................................................5Question 7...........................................................................................................................................5Question 8...........................................................................................................................................5Question 9...........................................................................................................................................5Question 10.........................................................................................................................................5Question 11.........................................................................................................................................5Question 12.........................................................................................................................................5Question 13.........................................................................................................................................6Question 14.........................................................................................................................................6Question 15.........................................................................................................................................6Question 16.........................................................................................................................................6Question 17.........................................................................................................................................6Question 18.........................................................................................................................................6Question 19 - Lab...............................................................................................................................6Question 20.........................................................................................................................................6Question 21.........................................................................................................................................6Question 22.........................................................................................................................................6Question 23.........................................................................................................................................7Question 24.........................................................................................................................................7Question 25.........................................................................................................................................7Question 26.........................................................................................................................................7Question 27.........................................................................................................................................7Question 28.........................................................................................................................................7Question 29.........................................................................................................................................7Question 30.........................................................................................................................................7

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Question 31.........................................................................................................................................7Question 32.........................................................................................................................................7Question 33.........................................................................................................................................8Question 34.........................................................................................................................................8Question 35 - Lab...............................................................................................................................8Question 36.........................................................................................................................................8Question 37.........................................................................................................................................8Question 38.........................................................................................................................................8Question 39.........................................................................................................................................8Question 40.........................................................................................................................................8Question 41.........................................................................................................................................8Question 42.........................................................................................................................................8Question 43.........................................................................................................................................9Question 44.........................................................................................................................................9Question 45.........................................................................................................................................9Question 46.........................................................................................................................................9Question 47.........................................................................................................................................9Question 48.........................................................................................................................................9Question 49.........................................................................................................................................9Question 50.........................................................................................................................................9Question 51.........................................................................................................................................9Question 52.........................................................................................................................................9Question 53.......................................................................................................................................10Question 54.......................................................................................................................................10Question 55.......................................................................................................................................10Question 56.......................................................................................................................................10Question 57.......................................................................................................................................10Question 58.......................................................................................................................................10Question 59.......................................................................................................................................10Question 60.......................................................................................................................................10Question 61.......................................................................................................................................10Answer 1 ............................................................................................................................................10Answer 2 ............................................................................................................................................11

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Answer 3 ............................................................................................................................................11Answer 4 ............................................................................................................................................11Answer 5 ............................................................................................................................................11Answer 6 ............................................................................................................................................11Answer 7 ............................................................................................................................................11Answer 8 ............................................................................................................................................11Answer 9 ............................................................................................................................................11Answer 10 ..........................................................................................................................................11Answer 11 ..........................................................................................................................................11Answer 12 ..........................................................................................................................................12Answer 13 ..........................................................................................................................................12Answer 14 ..........................................................................................................................................12Answer 15 ..........................................................................................................................................12Answer 16 ..........................................................................................................................................12Answer 17 ..........................................................................................................................................12Answer 18 ..........................................................................................................................................12Answer 19 - Lab Solutions..............................................................................................................12Answer 20 ..........................................................................................................................................12Answer 21 ..........................................................................................................................................12Answer 22 ..........................................................................................................................................13Answer 23 ..........................................................................................................................................13Answer 24 ..........................................................................................................................................13Answer 25 ..........................................................................................................................................13Answer 26 ..........................................................................................................................................13Answer 27 ..........................................................................................................................................13Answer 28 ..........................................................................................................................................13Answer 29 ..........................................................................................................................................13Answer 30 ..........................................................................................................................................13Answer 31 ..........................................................................................................................................13Answer 32 ..........................................................................................................................................14Answer 33 ..........................................................................................................................................14Answer 34 ..........................................................................................................................................14Answer 35 - Lab Solutions..............................................................................................................14

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Answer 36 ..........................................................................................................................................14Answer 37 ..........................................................................................................................................14Answer 38 ..........................................................................................................................................14Answer 39 ..........................................................................................................................................14Answer 40 ..........................................................................................................................................14Answer 41 ..........................................................................................................................................14Answer 42 ..........................................................................................................................................15Answer 43 ..........................................................................................................................................15Answer 44 ..........................................................................................................................................15Answer 45 ..........................................................................................................................................15Answer 46 ..........................................................................................................................................15Answer 47 ..........................................................................................................................................15Answer 48 ..........................................................................................................................................15Answer 49 ..........................................................................................................................................15Answer 50 ..........................................................................................................................................15Answer 51 ..........................................................................................................................................15Answer 52 ..........................................................................................................................................16Answer 53 ..........................................................................................................................................16Answer 54 ..........................................................................................................................................16Answer 55 ..........................................................................................................................................16Answer 56 ..........................................................................................................................................16Answer 57 ..........................................................................................................................................16Answer 58 ..........................................................................................................................................16Answer 59 ..........................................................................................................................................16Answer 60 ..........................................................................................................................................16Answer 61 ..........................................................................................................................................16

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Question 1PC2 SP Address: 11.10.10.1Subnet Mask: 255.255.255.0PC1 PAddiess: 10.10.10.1Subnet Mask: 255.255.255.0FaO.'lFa0/2■’12960-24TTSW1PC-PTPCIPC-PTPC2What would happen if PCI tries to ping PC2 (or vice versa)?A.) The ping will succeed because both PCs are connected to the sameswitchB.) The ping will succeed because the ARP process will discover both PC'sMAC addressesC.) The ping will fail because there's no default gatewayD.) The ping will fail because the PC's are in separate networksQuestion 2You try to delete a NAT pool on a router, but the command "no ip natpool [pool-name]" is rejected. There is currently no traffic passingthrough the network, but addresses have been previously translated. Whyis the command being rejected?A.) The NAT pool is still in useB.) There is traffic going through the network, just not from the hostsC.) You are using static or dynamic NATD.) You are using PAT / NAT Overload

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E.) The command to delete the NAT pool is incorrectQuestion 3Which of the following Standard ACL configurations are correct?A.)SW1(config)# ip access-list standard 99SW 1(config-std-nacl)# permit 192.168.1.0 255.255.255.0SW1(config-std-nacl)# permit anyB.)SW1(config)# ip access-list standard 99SW1(config-std-nacl)# permit 192.168.1.0 0.0.0.255SW1(config-std-nacl)# permit anyC.)SW1(config)# ip access-list standard 100SW1(config-std-nacl)# permit 192.168.1.0 255.255.255.0SW1(config-std-nacl)# permit anyD.)SW1(config)# ip access-list standard 100SW1(config-std-nacl)# permit 192.168.1.0 0.0.0.255SW1(config-std-nacl)# permit anyQuestion 4

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Which of the following are signs of a duplex mismatch?Select all correct answersA.) RuntsB.) CollisionsC.) A shutdown port that was previously upD.) MisalignmentsE.) Bad FCS valuesF.)A port in the errdisable stateQuestion 5There are 5 routers in a single OSPF area with the network type beingbroadcast, 3 of them are stuck in the 2-way state. What's the cause of theissue?A.) The router IDs matchB.) There's an area mismatchC.) There's a MTU mismatchD.) There's no problemQuestion 6Match each OSI model layers with the correct descriptions (You shouldhave all 7 layers memorized)A.) Defines the cable typeB.) Translates data into human-readable formatC.) Provides source to destination connectivityD.) Defines the application being usedE.) Provides node-to-node connectivityF.) Provides end-to-end/host-to-host connectivity

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G.) Terminates or maintains connectivityQuestion 7What type of IPv6 address(es) can be identical between nodes? Select allcorrect answersA.) UnicastB.) MulticastC.) BroadcastD.) AnycastE.) Link-LocalQuestion 8Which IEEE Wi-Fi standards must use channels 1, 6, and 11 to avoidoverlapping? Select all correct answersA.) 802.11B.) 802.11aC.) 802.11bD.) 802.1 InE.) 802.11gF.) 802.1 lacG.) 802.1 laxQuestion 9Short Answer(I know, I'm so mean. But this is important):

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What must you do after completing configurations onadevice?Question 10What are all the RSTP port states? Select all correct answersA.) ForwardingB.)DiscardingC.)BlockingD.) LearningE.)ListeningQuestion 11What interface(s) will a packet destined for 192.168.1.100 be forwarded outof?10.0.0.0/8 is variably subnetted, 3 subnets, 2 masksS10.0.0.0/8 [1/0] via 10.0.0.1, EthemetlD10.1.1.0/24 [90/156160] via 10.1.1.254, Ethemet2R10.2.0.0/16 [120/1] via 10.2.0.254, Ethemet4172.16.0.0/16 is variably subnetted, 2 subnets, 2 masksC172.16.0.0/16 is directly connected, EthernetsO172.16.1.0/24 [110/20] via 172.16.1.1, Ethemet4192.168.1.0/24 is variably subnetted, 2 subnets, 2 masksO192.168.1.0/24 [110/20] via 192.168.1.1, EthernetOO192.168.1.0/24 [110/20] via 10.0.0.1, Ethemetl192.168.2.0/24 is variably subnetted, 2 subnets, 2 masksO192.168.2.0/24 [110/20] via 172.16.0.254, EthernetsR192.168.2.128/25 [120/2] via 172.16.1.1, Ethemet4S*0.0.0.0/0 [1/0] via 10.0.0.1, Ethemetl

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A.) EthemetOB.) Ethernet1C.) Ethemet2D.) EthernetsE.) Ethernet4Question 12Which WLC interface is used when communicating with wireless clients toperform web authentication?A.) DynamicB.) VirtualC.) ManagementD.) RedundancyE.) ServiceQuestion 13Lightweight AP's are connected to switches as access ports unless theyare operating in [...] mode. Then it must be connected as a trunkA.) LocalB.) MonitorC.) FlexConnectD.) Bridge/MeshQuestion 14

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Which VTP mode won't synchronize its VLAN database with a VTP serverwith the highest revision number?A.) ClientB.) ServerC.) TransparentD.) DomainQuestion 15You are setting up port security on a switch. In the event of a violation, youwant the port to remain up and generate Syslogs from each violation.Which port security violation mode will achieve this?A.) ShutdownB.) RestrictC.) ProtectD.) FlushQuestion 16No router ID has been manually configured. Given the table, what will therouter ID be when using a dynamic routing protocol?R l f s hi pi n tbrI n t e r l a c ei ga b i t Et he r net 0/ ui gab i t Et he m e t 0 / 1G i g a b i t E t h e m e r O / 2LoopbackOOCiIPA d d r e s sOK? MethodS t a t u sP r o t o c o l1 7 2 . 1 6 . 1 . 1YES manualupup192 . 1 6 5 . 1 . 1YES manualadmi ni s t rat 1 ve l ydowndowna n a s s i g n e dYES unseta dmi ni s t rat 1 ve 1 ydowndown1 . 1 . 1 . 1YES ma nun ]a d m i n i s t r a t i v e !ydow ndownA.) 1.1.1.1B.) 172.16.1.1C.) 192.168.1.1

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D.) There cannot be a router ID based on the tableQuestion 17You configure a router as an NTP server using the default settings, what isthe stratum?A.) lB.) 4C.) 8D.) 16E.) 32Question 18Which WLC interface is used to map VLANs to SSIDs?A.)DynamicB.) VirtualC.) ManagementD.) RedundancyE.) ServiceQuestion 19 - LabIn this lab, you are tasked to configure HSRP, Etherchannel, VTP, 802. IQ,VLANs, and SVI's.Open up packet tracer and place 2 multilayer switches and connect SW1and SW2 to each other's G0/1 & GO/2 ports.

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MAKE SURE TO SAVE YOUR CONFIGURATIONS TO NVRAM WHENAPPROPRIATE!The actual CCNA lab questions aren't nearly this long but will test you onmultiple concepts. Try to do as much as you can, but don't sweat if youcan't get everything in timeSW1 Tasks:•Name SWl's hostname to SW1•Enable routing•Create an Etherchannel with SW2 using an openstandard and ports GO/1-2. Name the portchannel as"pol"•Change the VTP domain to "example.com"•Create VLANs 10 and 20•Configure the portchannel as a trunk, allow all configuredVLANs. Use an open standard.•VLAN 10•Assign an IP address as the first usable address ofthe 10.10.10.0/24 network•Enable HSRP version 2

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•Assign a virtual IP address as the last usable IPaddress in the 10.10.10.0/24 subnet for group 1•Raise the priority by 5 from the default value•Enable Preemption•VLAN 20•Assign an IP address of first assignable address ofthe 20.20.20.0/24 network•Enable HSRP version 2•Assign a virtual IP address as the last usable IPaddress in the 20.20.20.0/24 network for group 2•Lower the priority by 5 from the default value•Enable Preemption•Reboot the switchSW2 Tasks:•Name SW2's hostname to SW1•Enable routing•Create an Etherchannel with SW2 using an openstandard and ports GO/1-2. Name the portchannel as"pol"•Change the VTP domain to "example.com"•Do you need to create VLANs 10 and 20?•Configure the portchannel as a trunk, allow all configuredVLANs. Use an open standard.•VLAN 10•Assign an IP address of the second to last usableaddress of the 10.10.10.0/24 network•Enable HSRP version 2•Assign a virtual IP address as the last usable IPaddress in the 10.10.10.0/24 subnet for group 1•Lower the priority by 5 from the default value•Enable Preemption•VLAN 20•Assign an IP address of the second to last usableaddress of the20.20.20.0/24

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•Enable HSRP version 2•Assign a virtual IP address of 20.20.20.20 for group2•Raise the priority by 5 from the default value•Enable Preemption•Reboot the switchConfirm Configurations After Rebooting _____:•Confirm on both switches that the portchannel is in use•Confirm that the portchannel is a trunk and allows thecorrect VLANs•SW 1 should have group 1 as active, group 2 as passive•SW2 should have group 1 as passive, group 2 as active•SW 1 and SW2 should have both VLANs 10 and 20Question 20Which interface(es) does R3 use to forward a packet destined to172.16.1.129?Gateway of last resort is 198.50.100.1 to network 0.0.0.010.0.0.0/8 is variably subnetted, 2 subnets, 2 masksD 10.0.0.0/8 [90/28416] via 11.0.0.1,GigabitEthernetl/0[90/28416] via 100.0.0.2, GigabitEthemetO/OO 10.0.0.0/30 [110/2] via 100.0.0.2,GigabitEthemet0/011.0.0.0/8 is variably subnetted, 2 subnets, 2 masksD 11.0.0.0/8 is a summary, NullOC 11.0.0.0/30 is directly connected,GigabitEthemet1/0100.0.0.0/8 is variably subnetted, 2 subnets, 2 masksD 100.0.0.0/8 is a summary, NullOC 100.0.0.0/30 is directly connected,GigabitEthemet0/0172.16.0.0/16 is variably subnetted, 4 subnets, 3 masks

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D 172.16.0.0/16 is a summary, NullOC 172.16.1.0/25 is directly connected, GigabitEthemet3/0C 172.16.1.128/25 is directly connected, GigabitEthemet4/0D 172.16.1.128/26 [90/2011] via 100.0.0.2, GigabitEthemetO/OD 172.16.1.128/26 [90/2101] via 11.0.0.1, GigabitEthemetl/OD 192.168.1.0/24 [90/3072] via 11.0.0.1, GigabitEthemetl/OO 198.100.50.0/24 [110/2] via 198.50.100.1, GigabitEthernet2/0A.)G0/0B.)GI/0C.) G2/0D.) G3/0E.) G4/0Question 21Which IPv6 addresses are routable over the internet? Select 2A.)2001:19D:AA2F::DB8:lB.) FD99:2001:ABCD::lC.) BD::30ACD.) FE80:A2:987E::AE.) 3FF0:2::l:002::BQuestion 22Both monitor and rogue detector mode detect rogue APs, what is thedifference between the two LWAP modes? Select 2A.)Monitor mode offers a SSID, Rouge Detector does notB.) Monitor mode does not offer a SSID, Rouge Detector does

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C.) Monitor mode uses it's radio, Rouge Detector does notD.) Monitor mode does not use it's radio, Rouge Detector doesE.) Monitor mode can send deauth frames to rogue APs, Rouge detectorcannotF.) Monitor mode cannot send deauth frames to rogue APs, RougeDetector canQuestion 23You receive the HTTP Response "OK", what was the code?A.) 100B.) 101C.) 200D.) 201Question 24Identify the Designated, Blocking, and Root ports

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SW24096;E1-42-AF-6A-55-11SW14O90;D7-B2-FE-9O-43-52G i0 / 14096:C8 CO4A-Ee-19'4DSW54096.DE A5 89-81-F7 59Question 25With DNS on a router, which command is enabled by default?A.)ip dns serverB.) ip domain lookupC.) ip name-serverD.) ip domain name

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Question 26According to the recommendations from RFC 4594, what marking shouldHigh Priority Data traffic have?A.) DFB.)AF2XC.) AF3XD.) AF4XE.) EFQuestion 27List the Syslog message format[A]:[B] %[C]-[D]-[E]:[F]A.) -B.) -C.) -D.) -E.) -F.) -Question 28In ARP inspection and DHCP snooping, which ports should be trusted anduntrusted? Select 2

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A.) Ports facing hosts should be trustedB.) Ports facing hosts should be untrustedC.) Ports facing network devices should be trustedD.) Ports facing network devices should be untrustedQuestion 29In DHCP snooping, what will happen if a port receives an ACK message onan untrusted port?A.) The frame will be forwardedB.) The frame will be droppedC.) The frame will be checked and forwarded if marked as non-maliciousD.) The frame will be checked and dropped if marked as maliciousQuestion 30You turn on a brand new switch without configuring anything yet. The veryfirst command you enter iscrypto key generate rsa, but thecommand is rejected, why?A.) You need a hostnameB.) You need a domain nameC.) You need to enable SSHD.) A & BE.) All of the aboveQuestion 31Which regional internet registry does our good friend Jeremy from JeremysIT Lab use for his public IPv6 address? (He's located in Japan)

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A.) ARTNB.fAFRNICC.) APNICD.) LACNICE.) RIPE NCCQuestion 32When configuring settings like Helper-Address, Port Security, DAI, DHCPsnooping, etc. with a switch that contains SVPs, what interface will they beconfigured on?A.) The hosts VLANB.) The hosts physical interfacesC.) The hosts VLAN and physical interfacesD.) Either the hosts VLAN or physical interfacesQuestion 33What MAC address does a Switch lookup in its MAC address table toforward traffic?A.) SourceB.) DestinationC.) Source & DestinationD.) NeitherQuestion 34

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Which interface(es) does R3 use to forward a packet destined to172.160.1.4?Gateway of last resort is 198.50.100.1 to network 0.0.0.010.0.0.0/8 is variably subnetted, 2 subnets, 2 masksD 10.0.0.0/8 [90/28416] via 11.0.0.1,GigabitEthernetl/0[90/28416] via 100.0.0.2, GigabitEthemetO/OO 10.0.0.0/30 [110/2] via 100.0.0.2,GigabitEthemet0/011.0.0.0/8 is variably subnetted, 2 subnets, 2 masksD 11.0.0.0/8 is a summary, NullOC 11.0.0.0/30 is directly connected,GigabitEthemet1/0100.0.0.0/8 is variably subnetted, 2 subnets, 2 masksD 100.0.0.0/8 is a summary, NullOC 100.0.0.0/30 is directly connected,GigabitEthemet0/0172.16.0.0/16 is variably subnetted, 4 subnets, 3 masksD 172.16.0.0/16 is a summary, NullOC 172.16.1.0/25 is directly connected, GigabitEthemet3/0C 172.16.1.128/25 is directly connected, GigabitEthemet4/0D 172.16.1.128/26 [90/2011] via 100.0.0.2, GigabitEthemet0/0D 172.16.1.128/26 [90/2101] via 11.0.0.1, GigabitEthemetl/0D 192.168.1.0/24 [90/3072] via 11.0.0.1, GigabitEthemetl/0O*E2 198.100.50.0/24 [110/2] via 198.50.100.1, GigabitEthemet2/0A.)G0/0B.)Gl/0C.) G2/0D.) G3/0E.) G4/0Question 35 - LabTn this lab, you are tasked to configure OSPF.Open up packet tracer and configure the following topology

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MAKE SURE TO SAVE YOUR CONFIGURATIONS TONVRAM WHEN APPROPRIATE!The actual CCNA lab questions aren't nearly this long. Try to doas much as you can, but don't sweat if you can't get everythingin time.R1 Tasks:•Rename the hostname to R1•Configure the default gateway for NETWORK-A as thelast assignable address in the 192.168.1.0/24 network•Configure G0/0 as the first assignable address in the10.0.0.0/30 network•Configure a loopback interface (any name of yourchoosing) with the the address 1.1.1.1/32•Activate OSPF on each interface (except the loopback)•Make the default gateway for NETWORK-A and loopbacka passive interface•Reboot the routerR2 Tasks:•Rename the hostname to R2

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•Configure G0/0 as the last assignable address in the10.0.0.0/30 network•Configure GO/2 as the first assignable address in the11.0.0.0/30 network•Configure a loopback interface (any name of yourchoosing) with the the address 12.0.0.1/32•Enter OSPF router configuration mode and activate everyinterface with just 1 command without using 0.0.0.0•Make the loopback a passive interface•Reboot the routerR3 Tasks••Rename the hostname to R2•Configure the default gateway for NETWORK-B as thelast assignable address in the 198.50.100.0/24 network•Configure GO/2 as the last assignable address in the11.0.0.0/30 network•Configure a loopback interface (any name of yourchoosing) with the the address 3.3.3.3/32•Manually set the router ID to anything that will not breakthe OSPF adjacencies•Activate OSPF on each interface separately throughOSPF router config mode•Make every interface passive by default•Make sure GO/2 isn't passive•Reboot the routerPC1 & P C 2:•Configure the correct default gateways•Assign their IP addresses as the first usable address•Test connectivity by pinging each other

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Question 36A company wants to set up a 10 Gbps connection between two sites thatare 400 meters away. They decided they want to use multimode fiber,which IEEE standard should they use?A.) 802.3anB.) 802.3zC.) 802.3abD.) 802.3aeQuestion 37All the listed protocols use UDP, but one of them uses TCP when thepacket size is over 512 bytes. Which one?A.) DHCPB.) DNSC.) SyslogD.) TFTPQuestion 38Which layer in SDN architecture would you expect to find QoSconfigurations?A.) ControlB.) DataC.) ForwardingD.) Management

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Question 39Select all protocols that involve broadcasts:A.) DHCPB.) DNSC.) ARPD.) NDPE.) FARTF.) ICMP (Only when using "ping" with specific targets)G.) STPQuestion 40Which of the following will allow OSPF routers to become OSPF neighbors,but prevent them from moving to the full state?A.) MTU MismatchB.) Area MismatchC.) Network MismatchD.) Timer MismatchE.) Matching Router IDsQuestion 41In HSRP, which router(s) reply to ARP requests using it's virtual IP andMAC address?A.) ActiveB.) StandbyC.) Active and StandbyD.) Neither

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E.) Matching Router IDsQuestion 42What DNS record type maps domain names to other domain names?A J ABJAAAAC.) CNAMED.) NSQuestion 43Select all IP addresses that are in accordance with RFC 1918?A.) 192.168.100.2B.) 201.0.113.1C.) 10.255.255.254D.) 172.32.0.1E.) 173.31.0.1F.) 172.31.255.1G.) 11.255.255.254H.) 192.16.255.1I.) 172.16.0.0J.) 198.168.100.1Question 44Which of the following Syslog messages indicates a warning?A.) Aug 22 14:32:45.123: %SYS-0-SYSTEM_CRASH: System is unusable,critical hardware failure.

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B. ) Aug 22 14:32:46.456: %ENV-1-SHUTDOWN_ALERT: Temperatureexceeds critical limit, system shutdown imminent.C.)Aug 22 14:32:47.789: %PM-2-POWERFAIL: Power supply failuredetected.D.)Aug 22 14:32:48.012: %LINK-3-UPDOWN: Interface GigO/1,changed state to down.E. ) Aug 22 14:32:49.345: %CPU-4-HIGHCPU: CPU utilization hasexceeded 90%.F.)Aug 22 14:32:50.678: %CONFIG-5-STARTUPCONFIG_WRITE:Configuration saved to startup-config successfully.G.)Aug 22 14:32:51.901: %LINK-6-UPDOWN: Interface GigO/2,changed state to up.H. ) Aug 22 14:32:52.234: %DEBUG-7-INTERFACE: Debugging enabled oninterface GigO/1.Question 45You issue the commandshow versionand see K9 as part of the modelnumber. Which protocol(s) are supported?A.) SSHB.) IPSecC.) TLS/SSLD.) SNMPv3Question 46All VLANs are configured, and the switches are both layer 2 switches. Thelink between SW1 and SW2 is a trunk that allows all VLANsSW1 Native VLAN is VLAN10, SW2's native VLAN is VLAN20. What PC('s)can PCI successfully ping?

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A.) PC2B.) PC3C.) PC4GigOJi&gQ/lFufli'1r — jF®0PC-PTPCS2960-24T TSW12911R1R2Question 47

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PC1 is trying to obtain an address via DHCP from the DHCP server. Whichinterface should the helper address be configured on?A.) R1 - G0/0B.) R1 - GO/1C.) R2 - G0/0D.) R2 - GO/1Question 48You enable port security on a switch using the default settings, whathappens when an unauthorized MAC address is used attempting to sendtraffic through the said port?A.) The port shuts down and generates a syslogB.) The port shuts down and doesn't generate a syslogC.) The port remains active and generates a syslogD.) The port remains active and doesn't generate a syslogQuestion 49Match the following (R)STP Guard types with their correct definitions.Some choices will be used more than once, some definitions require up totwo answers (I listed which ones in the definitions)A.) BPDU GuardB.) Root GuardC.) Loop GuardD.) PortfastE.) BPDU Filter

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DefinitionsAnswerIf a superior BPDU is received, the port will shutdownOnly stable states are usedIf enabled per-port, BPDUs can be ignoredCan place a port in an inconsistent state (select 2)Can place a port in an errdisable stateCannot place a port in an inconsistent or errdisable state(select 2)Action is taken when BPDUs are receivedAction is taken when BPDUs are no longer receivedBPDUs are prevented from being sentQuestion 50Which of the following best describes how predictive Al can be applied innetwork management?A.) It can generate creative network topologies without human inputB.) It can forecast potential network issues based on historical data andcurrent trendsC.) It can automatically repair physical network hardware failuresD.) It can replace all human decision-making in network operationsQuestion 51

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