CCNA Network Fundamentals
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Pregunta 1 de 72
1. Pregunta
An engineer must configure a /30 subnet between two routes. Which usable IP address and subnet mask combination meets this criteria?
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Pregunta 2 de 72
2. Pregunta
Which network allows devices to communicate without the need to access the Internet?
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Pregunta 3 de 72
3. Pregunta
Which of the following should be a characteristic of the core layer in the 3 tier topology?
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Pregunta 4 de 72
4. Pregunta
Which Ethernet LAN contention or access method listens for a signal on the channel before transmitting data, and stops transmitting if a collision is detected?
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Pregunta 5 de 72
5. Pregunta
What command was used to generate the output shown below?
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Pregunta 6 de 72
6. Pregunta
What is the valid host address range for the subnet 172.25.4.0 /23?
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Pregunta 7 de 72
7. Pregunta
Which statement is NOT true regarding Internet Control Message Protocol (ICMP)?
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Pregunta 8 de 72
8. Pregunta
When packets are transmitted from one host to another across a routed segment, which two addresses are changed? (Choose two.)
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Pregunta 9 de 72
9. Pregunta
In the diagram below, if the workstation at 10.0.1.3 sends a packet to the workstation at 10.1.1.3, what will be the source physical address when the packet arrives at 10.1.1.3?
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Pregunta 10 de 72
10. Pregunta
Which of the following cables would be used to connect a router to a switch?
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Pregunta 11 de 72
11. Pregunta
Which is NOT a valid range for private IP addresses?
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Pregunta 12 de 72
12. Pregunta
You are creating a configuration to use on a switch. The configuration must enable you to remotely manage the switch.
Which of the following command sets is correct? (Assume the commands are executed at the correct prompt.)
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Pregunta 13 de 72
13. Pregunta
A frame that enters a switch fails the Frame Check Sequence. Which two interface counters are incremented? (Choose two.)
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Pregunta 14 de 72
14. Pregunta
How do TCP and UDP differ in the way that they establish a connection between two endpoints?
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Pregunta 15 de 72
15. Pregunta
Which statement identifies the functionality of virtual machines?
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Pregunta 16 de 72
16. Pregunta
Which IPv6 address type provides communication between subnets and cannot route on the Internet?
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Pregunta 17 de 72
17. Pregunta
Which IPv6 address block sends packets to a group address rather than a single address?
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Pregunta 18 de 72
18. Pregunta
Which two statements about the purpose of the OSI model are accurate? (Choose two)
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Pregunta 19 de 72
19. Pregunta
What is the destination MAC address of a broadcast frame?
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Pregunta 20 de 72
20. Pregunta
In which way does a spine and-leaf architecture allow for scalability in a network when additional access ports are required?
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Pregunta 21 de 72
21. Pregunta
What are two reasons that cause late collisions to increment on an Ethernet interface? (Choose two)
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Pregunta 22 de 72
22. Pregunta
What is the function of a server?
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Pregunta 23 de 72
23. Pregunta
What is a function of TFTP in network operations?
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Pregunta 24 de 72
24. Pregunta
What are two functions of a server on a network? (Choose two)
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Pregunta 25 de 72
25. Pregunta
What is the primary function of a Layer 3 device?
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Pregunta 26 de 72
26. Pregunta
What is the same for both copper and fiber interfaces when using SFP modules?
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Pregunta 27 de 72
27. Pregunta
Which function does the range of private IPv4 addresses perform?
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Pregunta 28 de 72
28. Pregunta
Which action must be taken to assign a global unicast IPv6 address on an interface that is derived from the MAC address of that interface?
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Pregunta 29 de 72
29. Pregunta
How do TCP and UDP differ in the way they provide reliability for delivery of packets?
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Pregunta 30 de 72
30. Pregunta
What are two differences between optical-fiber cabling and copper cabling? (Choose two.)
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Pregunta 31 de 72
31. Pregunta
What is the difference regarding reliability and communication type between TCP and UDP?
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Pregunta 32 de 72
32. Pregunta
What are two descriptions of three-tier network topologies? (Choose two.)
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Pregunta 33 de 72
33. Pregunta
Which type of IPv6 address is publicly routable in the same way as IPv4 public addresses?
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Pregunta 34 de 72
34. Pregunta
What is the expected outcome when an EUI-64 address is generated?
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Pregunta 35 de 72
35. Pregunta
A corporate office uses four floors in a building.
- Floor 1 has 24 users.
- Floor 2 has 29 users.
- Floor 3 has 28 users.
- Floor 4 has 22 users.
Which subnet summarizes and gives the most efficient distribution of IP addresses for the router configuration?
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Pregunta 36 de 72
36. Pregunta
Refer to the exhibit. An engineer must add a subnet for a new office that will add 20 users to the network. Which IPv4 network and subnet mask combination does the engineer assign to minimize wasting addresses?
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Pregunta 37 de 72
37. Pregunta
What is a characteristic of spine-and-leaf architecture?
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Pregunta 38 de 72
38. Pregunta
An office has 8 floors with approximately 30-40 users per floor. What command must be configured on the router Switched Virtual Interface to use address space efficiently?
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Pregunta 39 de 72
39. Pregunta
What is the name of the layer in the Cisco borderless switched network design that is considered to be the backbone used for high-speed connectivity and fault isolation?
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Pregunta 40 de 72
40. Pregunta
A company needs to interconnect several branch offices across a metropolitan area. The network engineer is seeking a solution that provides high-speed converged traffic, including voice, video, and data on the same network infrastructure. The company also wants easy integration to their existing LAN infrastructure in their office locations. Which technology should be recommended?
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Pregunta 41 de 72
41. Pregunta
Which WAN access technology is preferred for a small office / home office architecture?
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Pregunta 42 de 72
42. Pregunta
Which two functions are performed by the core layer in a three-tier architecture? (Choose two)
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Pregunta 43 de 72
43. Pregunta
Which function is performed by the collapsed core layer in a two-tier architecture?
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Pregunta 44 de 72
44. Pregunta
An organization has decided to start using cloud-provided services. Which cloud service allows the organization to install its own operating system on a virtual machine?
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Pregunta 45 de 72
45. Pregunta
Anycompany has decided to reduce its environmental footprint by reducing energy costs, moving to a smaller facility, and promoting telecommuting. What service or technology would support this requirement?
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Pregunta 46 de 72
46. Pregunta
A network analyst is tasked with configuring the date and time on a router using EXEC mode.The date must be set to January 1,2020 and the time must be set to 12:00 am.what command should be used?
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Pregunta 47 de 72
47. Pregunta
What are two fundamentals of virtualization? (Choose two)
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Pregunta 48 de 72
48. Pregunta
What role does a hypervisor provide for each virtual machine in server virtualization?
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Pregunta 49 de 72
49. Pregunta
A manager asks a network engineer to advise which cloud service models are used so employees do not have to waste their time installing, managing, and updating software which is only used occasionally. Which cloud service model does the engineer recommend?
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Pregunta 50 de 72
50. Pregunta
How do TCP and UDP differ in the way they guarantee packet delivery?
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Pregunta 51 de 72
51. Pregunta
What are two benefits of private IPv4 IP addresses? (Choose two.)
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Pregunta 52 de 72
52. Pregunta
What are two benefits that the UDP protocol provide for application traffic? (Choose two.)
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Pregunta 53 de 72
53. Pregunta
Which two goals reasons to implement private IPv4 addressing on your network? (Choose two.)
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Pregunta 54 de 72
54. Pregunta
What is the binary pattern of unique ipv6 unique local address?
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Pregunta 55 de 72
55. Pregunta
Refer to exhibit. Which statement explains the configuration error message that is received?
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Pregunta 56 de 72
56. Pregunta
Which goal is achieved by the implementation of private IPv4 addressing on a network?
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Pregunta 57 de 72
57. Pregunta
In which way does a spine-and-leaf architecture allow for scalability in a network when additional access ports are required?
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Pregunta 58 de 72
58. Pregunta
Which two conditions must be met before SSH operates normally on a Cisco IOS switch? (Choose two.)
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Pregunta 59 de 72
59. Pregunta
Refer to the exhibit. Which password must an engineer use to enter the enable mode?
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Pregunta 60 de 72
60. Pregunta
Which command can you enter to allow Telnet to be supported in addition to SSH?
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Pregunta 61 de 72
61. Pregunta
Which command is used to configure an IPv6 static default route?
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Pregunta 62 de 72
62. Pregunta
Which command verifies whether any IPv6 ACLs are configured on a router?
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Pregunta 63 de 72
63. Pregunta
Which IPv6 address type provides communication between subnets and cannot route on the Internet?
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Pregunta 64 de 72
64. Pregunta
Which command automatically generates an IPv6 address from a specified IPv6 prefix and MAC address of an interface?
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Pregunta 65 de 72
65. Pregunta
Which IPv6 address block forwards packets to a multicast address rather than a unicast address?
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Pregunta 66 de 72
66. Pregunta
When configuring IPv6 on an interface, which two IPv6 multicast groups are joined? (Choose two)
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Pregunta 67 de 72
67. Pregunta
Which action must be taken to assign a global unicast IPv6 address on an interface that is derived from the MAC address of that interface?
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Pregunta 68 de 72
68. Pregunta
What is the expected outcome when an EUI-64 address is generated?
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Pregunta 69 de 72
69. Pregunta
Which type of IPv6 address is publicly routable in the same way as IPv4 public addresses?
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Pregunta 70 de 72
70. Pregunta
Which IPv6 address block forwards packets to a multicast address rather than a unicast address?
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Pregunta 71 de 72
71. Pregunta
A network engineer must back up 20 network router configurations globally within a customer environment. Which protocol allows the engineer to perform this function using the copy function?
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Pregunta 72 de 72
72. Pregunta
What are two differences between optical-fiber cabling and copper cabling? (Choose two)
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