CCNA3 Final Exam Form C - Online Assessment

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CCNA3 Final Exam Form C – Online Assessment

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Question 1 of 60

1. Question
Which technological factor determines the impact of a failure domain?
- the number of layers of the hierarchical network
- the number of users on the access layer
- the role of the malfunctioning device
- the forwarding rate of the switches used on the access layer
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Question 2 of 60

2. Question
What is the function of STP in a scalable network?
- It decreases the size of the failure domain to contain the impact of failures.
- It protects the edge of the enterprise network from malicious activity.
- It disables redundant paths to eliminate Layer 2 loops.
- It combines multiple switch trunk links to act as one logical link for increased bandwidth.
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Question 3 of 60

3. Question
Which characteristic would most influence a network design engineer to select a multilayer switch over a Layer 2 switch?
- ability to build a routing table
- ability to aggregate multiple ports for maximum data throughput
- ability to provide power to directly-attached devices and the switch itself
- ability to have multiple forwarding paths through the switched network based on VLAN number(s)
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Question 4 of 60

4. Question
What are two reasons to install a single 48-port fixed configuration switch, rather than two 24-port fixed configuration switches, in a wiring closet that supports two classrooms? (Choose two.)
- more power provided to each port
- more ports available for end devices
- higher uplink speeds
- reduced power and space requirements
- reduced number of VLANs/broadcast domains
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Question 5 of 60

5. Question
What are two requirements when using out-of-band configuration of a Cisco IOS network device? (Choose two.)
- HTTP access to the device
- a terminal emulation client
- Telnet or SSH access to the device
- a direct connection to the console or AUX port
- a connection to an operational network interface on the device
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Question 6 of 60

6. Question
Which step can be taken to ensure that a switch added to the network does not overwrite the VLAN databases on existing switches in the same VTP domain?
- Change the VTP mode to client.
- Reset the switch VTP revision number to 0.
- Delete any configured VLANs and reboot the switch.
- Erase the startup configuration and reboot the switch.
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Question 7 of 60

7. Question
A network administrator is planning to add a new switch to the network. What should the network administrator do to ensure the new switch exchanges VTP information with the other switches in the VTP domain?
- Configure the correct VTP domain name and password on the new switch.
- Associate all ports of the new switch to a VLAN that is not VLAN 1.
- Configure the VLANs on the new switch.
- Configure all ports on the new switch to access mode.
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Question 8 of 60

8. Question
An administrator was troubleshooting a router-on-a-stick topology and concluded that the problem was related to the configuration of VLANs on the router subinterfaces. Which two commands can the administrator use in the router to identify the problem? (Choose two.)
- show controllers
- show ip interface
- show ip protocols
- show running-config
- show vlan
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Question 9 of 60

9. Question
Refer to the exhibit. The configuration shows commands entered by a network administrator for inter-VLAN routing. However, host PCA cannot communicate with PCB. Which part of the inter-VLAN configuration causes the problem?

CCNA3 v6.0 Final Exam C 007
- trunking
- port mode on the two switch FastEthernet ports
- VLAN configuration
- router port configuration
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Question 10 of 60

10. Question
Refer to the exhibit. Switch SW-A is to be used as a temporary replacement for another switch in the VTP Student domain. What two pieces of information are indicated from the exhibited output? (Choose two.)

CCNA3 v6.0 Final Exam C 001
- The other switches in the domain can be running either VTP version 1 or 2.
- There is a risk that the switch may cause incorrect VLAN information to be sent through the domain.
- VTP will block frame forwarding on at least one redundant trunk port that is configured on this switch.
- VLAN configuration changes made on this switch will be sent to other devices in the VTP domain.
- This switch will update its VLAN configuration when VLAN changes are made on a VTP server in the same domain.
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Question 11 of 60

11. Question
Refer to the exhibit. The network administrator configures both switches as displayed. However, host C is unable to ping host D and host E is unable to ping host F. What action should the administrator take to enable this communication?

CCNA3 v6.0 Final Exam C 002
- Include a router in the topology.
- Associate hosts A and B with VLAN 10 instead of VLAN 1.
- Remove the native VLAN from the trunk.
- Configure either trunk port in the dynamic desirable mode.
- Add the switchport nonegotiate command to the configuration of SW2.
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Question 12 of 60

12. Question
What is a characteristic of spanning tree?
- It is enabled by default on Cisco switches.
- It has a TTL mechanism that works at Layer 2.
- It prevents propagation of Layer 2 broadcast frames.
- It is used to discover information about an adjacent Cisco device.
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Question 13 of 60

13. Question
Refer to the exhibit. All the displayed switches are Cisco 2960 switches with the same default priority and operating at the same bandwidth. Which three ports will be STP designated ports? (Choose three.)

CCNA3 v6.0 Final Exam C 011
- fa0/9
- fa0/10
- fa0/11
- fa0/13
- fa0/20
- fa0/21
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Question 14 of 60

14. Question
A set of switches is being connected in a LAN topology. Which STP bridge priority value will make it least likely for the switch to be selected as the root?
- 4096
- 32768
- 61440
- 65535
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Question 15 of 60

15. Question
Refer to the exhibit. Which switch will be elected the root bridge and which switch will place a port in blocking mode? (Choose two.)

CCNA3 v6.0 Final Exam C 006
- SW1 will become the root bridge.
- SW2 will become the root bridge.
- SW2 will get a port blocked.
- SW4 will get a port blocked.
- SW3 will become the root bridge.
- SW4 will become the root bridge.
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Question 16 of 60

16. Question
Which statement is true about the states of the IEEE 802.1D Spanning Tree Protocol?
- Ports are manually configured to be in the forwarding state.
- Ports listen and learn before going into the forwarding state.
- Ports must be blocked before they can be placed in the disabled state.
- It takes 15 seconds for a port to go from blocking to forwarding.
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Question 17 of 60

17. Question
Refer to the exhibit. What are the possible port roles for ports A, B, C, and D in this RSTP-enabled network?

CCNA3 v6.0 Final Exam C 009
- alternate, root, designated, root
- designated, root, alternate, root
- alternate, designated, root, root
- designated, alternate, root, root
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Question 18 of 60

18. Question
Refer to the exhibit. What are two results of issuing the displayed commands on S1, S2, and S3? (Choose two.)

CCNA3 v6.0 Final Exam C 010
- S1 will automatically adjust the priority to be the lowest.
- S1 will automatically adjust the priority to be the highest.
- S3 can be elected as a secondary bridge.
- S2 can become root bridge if S3 fails.
- S2 can become root bridge if S1 fails.
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Question 19 of 60

19. Question
When the show spanning-tree vlan 33 command is issued on a switch, three ports are shown in the forwarding state. In which two port roles could these interfaces function while in the forwarding state? (Choose two.)
- disabled
- designated
- root
- alternate
- blocked
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Question 20 of 60

20. Question
Which is a characteristic of EtherChannel?
- EtherChannel uses physical ports that have been upgraded to provide a faster connection.
- STP will not block redundant EtherChannel bundles between two switches.
- STP treats all interfaces in a bundle as a single logical link.
- EtherChannel configuration is applied to each physical port.
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Question 21 of 60

21. Question
A network administrator has configured an EtherChannel between two switches that are connected via four trunk links. If the physical interface for one of the trunk links changes to a down state, what happens to the EtherChannel?
- The EtherChannel will transition to a down state.
- Spanning Tree Protocol will recalculate the remaining trunk links.
- The EtherChannel will remain functional.
- Spanning Tree Protocol will transition the failed physical interface into forwarding mode.
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Question 22 of 60

22. Question
What are two load-balancing methods in the EtherChannel technology? (Choose two.)
- combination of source port and IP to destination port and IP
- source IP to destination IP
- source port to destination port
- combination of source MAC and IP to destination MAC and IP
- source MAC to destination MAC
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Question 23 of 60

23. Question
Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic?
- SW1: on
  SW2: on
- SW1: desirable
  SW2: desirable
- SW1: auto
  SW2: auto
  trunking enabled on both switches
- SW1: auto
  SW2: auto
  PortFast enabled on both switches
- SW1: passive
  SW2: active
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Question 24 of 60

24. Question
Which two parameters must match on the ports of two switches to create a PAgP EtherChannel between the switches? (Choose two.)
- MAC address
- speed
- VLAN information
- PAgP mode
- port ID
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Question 25 of 60

25. Question
A network administrator is analyzing first-hop router redundancy protocols. What is a characteristic of VRRPv3?
- VRRPv3 is Cisco proprietary.
- It supports IPv6 and IPv4 addressing.
- It works together with HSRP.
- It allows load balancing between routers.
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Question 26 of 60

26. Question
Refer to the exhibit. A network administrator would like to implement dynamic routing within a small network environment as shown in the exhibit. Which routing protocol would be a viable solution?

CCNA3 v6.0 Final Exam C 005
- EIGRP
- IGRP
- BGP
- RIPv1
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Question 27 of 60

27. Question
What is a key distinction between classful and classless routing protocols?
- Classful routing protocols are better suited for implementation in discontiguous networks.
- Classful routing protocols do not send subnet mask information in their routing updates.
- Classless routing protocols are not scalable.
- Classless routing protocols do not allow for route summarization.
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Question 28 of 60

28. Question
What does the SPF algorithm consider to be the best path to a network?
- The path with the least number of hops.
- The path with the smallest delays.
- The path that includes the fastest cumulative bandwidth links.
- The path that includes the fastest single bandwidth link.
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Question 29 of 60

29. Question
Refer to the exhibit. A network administrator has configured OFPF in the topology as shown. What is the preferred path to get from the LAN network that is connected to R1 to the LAN network that is connected to R7?

CCNA3 v6.0 Final Exam C 004
- R1-R3-R4-R5-R6-R7
- R1-R3-R2-R6-R7
- R1-R2-R6-R7
- R1-R4-R5-R6-R7
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Question 30 of 60

30. Question
Which protocol does EIGRP use for the transportation of EIGRP packets?
- User Datagram Protocol
- Reliable Transport Protocol
- Real-Time Transport Protocol
- Transmission Control Protocol
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Question 31 of 60

31. Question
Which two statements are correct about EIGRP acknowledgment packets? (Choose two.)
- The packets are sent in response to hello packets.
- The packets are used to discover neighbors that are connected on an interface.
- The packets are sent as unicast.
- The packets require confirmation.
- The packets are unreliable.
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Question 32 of 60

32. Question
What EIGRP packet type is used by EIGRP routers to discover neighbors on directly connected links?
- hello
- query
- update
- acknowledgment
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Question 33 of 60

33. Question
Which statement describes the autonomous system number used in EIGRP configuration on a Cisco router?
- It carries the geographical information of the organization.
- It functions as a process ID in the operation of the router.
- It is a globally unique autonomous system number that is assigned by IANA.
- It identifies the ISP that provides the connection to network of the organization.
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Question 34 of 60

34. Question
What two values must match between two EIGRP directly connected neighbors to establish and maintain an adjacency? (Choose two.)
- metric parameters
- autonomous system number
- router ID
- Area ID
- hello timers
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Question 35 of 60

35. Question
Refer to the exhibit. Which two conclusions can be derived from the output? (Choose two.)

CCNA3 v6.0 Final Exam C 014
- There is one feasible successor to network 192.168.1.8/30.
- The network 192.168.10.8/30 can be reached through 192.168.11.1.
- The reported distance to network 192.168.1.0/24 is 41024256.
- The neighbor 172.16.6.1 meets the feasibility condition to reach the 192.168.1.0/24 network.
- Router R1 has two successors to the 172.16.3.0/24 network.
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Question 36 of 60

36. Question
Which command is used to display the bandwidth of an interface on an EIGRP-enabled router?
- show ip route
- show interfaces
- show ip protocols
- show ip interface brief
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Question 37 of 60

37. Question
An EIGRP router loses the route to a network. Its topology table contains two feasible successors to the same network. What action will the router take?
- The DUAL algorithm is recomputed to find an alternate route.
- The router uses the default route.
- The best alternative backup route is immediately inserted into the routing table.
- The router will query neighbors for an alternate route.
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Question 38 of 60

38. Question
A network engineer examining the operation of EIGRP on a router notices that one particular route is in an active state. What can the engineer determine about this route?
- Data packets to be sent to the specified network will be forwarded on this route.
- EIGRP query messages are being sent to other routers requesting paths to this network.
- The Diffusing Update Algorithm has determined a successor and a feasible successor for this route.
- The EIGRP processes are still calculating the administrative distance for this route.
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Question 39 of 60

39. Question
Refer to the exhibit. What will Router1 do if it receives packets that are destined to network 2001:db8:11:100::/64?

CCNA3 v6.0 Final Exam C 008
- drop the packets
- forward the packets to the gateway of last resort
- send the packets out interface GigabitEthernet 0/0
- send the packets out interface Serial 0/0/0
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Question 40 of 60

40. Question
How are externally learned EIGRP routes identified in the routing table?
- EX
- O1 E
- D
- *
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Question 41 of 60

41. Question
A network administrator is configuring EIGRP load balancing with the commands:

Router(config)# router eigrp 1
Router(config-router)# variance 3
Router(config-router)# end

What is a direct result of entering these commands?
- Up to three equal cost routes to the same destination can be installed in the routing table.
- Up to three unequal cost routes to the same destination can be installed in the routing table.
- No matter whether the metric is equal or unequal, up to three routes to the same destination can be installed in the routing table.
- Any feasible successor routes to the same destination network with a metric, equal to or less than 3 times that of the successor, will be installed in the routing table.
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Question 42 of 60

42. Question
By default, how many equal cost routes to the same destination can be installed in the routing table of a Cisco router?
- 2
- 4
- 16
- 32
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Question 43 of 60

43. Question
When should EIGRP automatic summarization be turned off?
- when a router has not discovered a neighbor within three minutes
- when a router has more than three active interfaces
- when a network contains discontiguous network addresses
- when a router has less than five active interfaces
- when a network addressing scheme uses VLSM
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Question 44 of 60

44. Question
What is a function of OSPF hello packets?
- to send specifically requested link-state records
- to discover neighbors and build adjacencies between them
- to ensure database synchronization between routers
- to request specific link-state records from neighbor routers
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Question 45 of 60

45. Question
What is the final operational state that will form between an OSPF DR and a DROTHER once the routers reach convergence?
- full
- two-way
- loading
- established
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Question 46 of 60

46. Question
A router needs to be configured to route within OSPF Area 0. Which two commands are required to accomplish this? (Choose two.)
- RouterA(config)# router ospf 0
- RouterA(config)# router ospf 1
- RouterA(config-router)# network 192.168.2.0 0.0.0.255 0
- RouterA(config-router)# network 192.168.2.0 0.0.0.255 area 0
- RouterA(config-router)# network 192.168.2.0 255.255.255.0 0
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Question 47 of 60

47. Question
How is the router ID for an OSPFv3 router determined?
- the highest IPv6 address on an active interface
- the lowest MAC address on an active interface
- the highest IPv4 address on an active interface
- the highest EUI-64 ID on an active interface
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Question 48 of 60

48. Question
Refer to the exhibit. R1 and R2 are OSPFv3 neighbors. Which address would R1 use as the next hop for packets that are destined for the Internet?

CCNA3 v6.0 Final Exam C 012
- FF02::5
- 2001:DB8:ACAD:1::2
- 2001:DB8:C5C0:1::2
- FE80::21E:BEFF:FEF4:5538
Correct

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Question 49 of 60

49. Question
What does an OSPF area contain?
- routers that share the same router ID
- routers whose SPF trees are identical
- routers that have the same link-state information in their LSDBs
- routers that share the same process ID
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Question 50 of 60

50. Question
What are the only two roles that permit an OSPF router to be configured for summarization? (Choose two.)
- backbone router
- internal router
- designated router
- area border router
- autonomous system boundary router
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Question 51 of 60

51. Question
Which routing table descriptor is used to identify the OSPF networks advertised by type 1 LSAs?
- O E2
- O E1
- O IA
- O
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Question 52 of 60

52. Question
What are two features of OSPF interarea route summarization? (Choose two.)
- ASBRs perform all OSPF summarization.
- Routes within an area are summarized by the ABR.
- ABRs advertise the summarized routes into the backbone.
- Type 3 and type 5 LSAs are used to propagate summarized routes by default.
- Route summarization results in high network traffic and router overhead.
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Question 53 of 60

53. Question
Refer to the exhibit. What are three resulting DR and BDR elections for the given topology? (Choose three.)

CCNA3 v6.0 Final Exam C 013
- R2 is BDR for segment A.
- R4 is BDR for segment B.
- R5 is DR for segment B.
- R1 is DR for segment A.
- R3 is DR for segment B.
- R3 is DBR for segment B.
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Question 54 of 60

54. Question
What is one reason to use the ip ospf priority command when the OSPF routing protocol is in use?
- to activate the OSPF neighboring process
- to influence the DR/BDR election process
- to provide a backdoor for connectivity during the convergence process
- to streamline and speed up the convergence process
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Question 55 of 60

55. Question
Which statement describes a characteristic of OSPF external routes?
- The difference between type 1 and type 2 is in the way the cost of the route is being calculated.
- Type 1 and type 2 external routes in IPv4 networks are represented in the routing table by EX1 and EX2, respectively.
- A type 2 route is always preferred over a type 1 route for the same destination.
- The cost of a type 1 route is always the external cost, regardless of the interior cost to reach that route.
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Question 56 of 60

56. Question
Refer to the exhibit. A network administrator has configured OSPFv2 on the two Cisco routers as shown. PC1 is unable to communicate with PC2. What should be done to fix the problem?

CCNA3 v6.0 Final Exam C 003
- Add the network 192.168.255.2 0.0.0.0 area 0 command to router R1 and remove the network 192.168.255.1 0.0.0.0 area 0 command.
- Add the passive-interface S0/0 command to router R1.
- Add the network 192.168.10.0 0.0.0.255 area 0 command to router R1 and remove the network 192.168.10.1 0.0.0.0 area 0 command.
- Add the network 192.168.255.0 0.0.0.3 area 0 command to router R1 and remove the network 192.168.255.1 0.0.0.0 area 0 command.
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Question 57 of 60

57. Question
Which command can be used by an administrator to display a list of interfaces that are enabled for OSPFv3?
- show ipv6 ospf
- show ipv6 neighbor
- show ipv6 route ospf
- show ipv6 protocols
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Question 58 of 60

58. Question

Match the order in which the link-state routing process occurs on a router. (Not all options are used.)

Sort elements

Each router is responsible for "saying "hello" to its neighbors on directly connected networks.
Each router builds an LSP that contains the state of each directly connected link.
Each router learns about each of its own directly connected networks.
Each router increments the hop count for the destination network.
Each router floods the LSP to all neighbors who then store all LSPs received in a database.
Each router uses the database to construct a complete map of the topology and computes the best path to each destination network.

Sept 2

Sept 3

Sept 1

Sept 4

Sept 5

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Question 59 of 60

59. Question

Match the description to the term. (Not all options are used.)

Sort elements

adjacency database
Shortest Path First
single-area OSPF
DUAL
link-state database
multiarea OSPF

This is where the details of the neighboring routers can be found

This is the algorithm used by OSPF.

All the routers aere in the backbone area.

This is where you can find the topology table.

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Question 60 of 60

60. Question

Match the order of precedence to the process logic that an OSPFv3 network router goes through in choosing a router ID. (Not all options are used.)

Sort elements

The router displays a console message to configure the router ID manually.
The router uses the highest configured IPv4 address of an active interface.
The router chooses the highest IPv6 address that is configured on the router.
The router uses the highest configured IPv4 address of a loopback interface.
The router uses the explicitly configured router ID if any.

priority 4

priority 3

priority 2

priority 1

Correct

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