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CCNA 1 > Modules 1-3 > Flashcards

Modules 1-3 Flashcards

1
Q

Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators?

A

Extranet

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2
Q

A large corporation has modified its network to allow users to access network resources from their personal laptops and smart phones. Which networking trend does this describe?

A

Bring Your Own Device

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3
Q

What is an ISP?

A

It is an organization that enables individuals and businesses to connect to the Internet.

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4
Q

The ability of a system (computer, network, cloud cluster, etc.) to continue operating without interruption when one or more of its components fail.

A

Fault Tolerance

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5
Q

Redundant Links and devices are provided with the goal of…

A

Fault Tolerance.

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6
Q

Ability to expand a network without degrading the service of existing users.

A

Scalability

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7
Q

An employee at a branch office is creating a quote for a customer. In order to do this, the employee needs to access confidential pricing information from internal servers at the Head Office. What type of network would the employee access?

A

An Intranet

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8
Q

Term used to refer to a private connection of LANs and WANs that belongs to an organization.

A

Intranet

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9
Q

A device connects to an existing home LAN using an adapter and an existing electrical outlet describes the use of _____________.

A

Powerline Networking Technology.

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10
Q

A networking technician is working on the wireless network at a medical clinic. The technician accidentally sets up the wireless network so that patients can see the medical records data of other patients. Which of the four network characteristics has been violated in this situation?

A

Security

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11
Q

The Four Basic Networking Characteristics.

A

Fault Tolerance.
Scalability.
Quality of Service (QoS.)
Security.

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12
Q

Connectivity type that is not suited for heavily wooded areas.

A

Satellite.

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13
Q

Connectivity type that uses coaxial cables as a medium.

A

Cable.

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14
Q

Connectivity type that typically has a very low bandwidth.

A

Dialup telephone.

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15
Q

High bandwidth connection that runs over a telephone line.

A

DSL.

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16
Q

Criteria for choosing a network medium.

A

Distance.
Environment.
Speed and Data at which it should be transmitted.

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17
Q

Video Conferencing requires what type of network traffic?

A

Quality of Service (QoS)

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18
Q

A user is implementing security on a small office network. What are two actions that would provide the minimum security requirements for this network?

A

Implementing a firewall.

Installing antivirus software.

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19
Q

Passwords can be used to restrict access to all or parts of the Cisco IOS. What are the three main modes and interfaces that can be protected with passwords.

A

Console Interface.
VTY Interface.
Priviliged EXEC Mode.

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20
Q

Which interface allows remote management of a Layer 2 switch?

A

The switch virtual interface.

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21
Q

While trying to solve a network issue, a technician made multiple changes to the current router configuration file. The changes did not solve the problem and were not saved. What action can the technician take to discard the changes and work with the file in NVRAM?

A

Issue the reload command without saving the running configuration.

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22
Q

An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?

A

To interrupt the ping process.

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23
Q

Which command or key combination allows a user to return to the previous level in the command hierarchy?

A

exit.

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24
Q

What are the following characteristics of on a Cisco device.

The configuration that is actively running on the device is stored in RAM.

The contents of RAM are lost during a power cycle.

A

RAM.

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25
Q

The running configuration is stored in….

A

RAM

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26
Q

How is SSH different from Telnet?

A

SSH provides security to remote sessions by encrypting messages and using user authentication. Telnet is considered insecure and sends messages in plaintext.

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27
Q

What interface is SVI associated with by default?

A

VLAN 1

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28
Q

What command is used to verify the condition of the switch interfaces, including the status of the interfaces and a configured IP address?

A

show ip interface brief

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29
Q

The_______specifies what should be displayed as the output of the show command.

A

keyword

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30
Q

After making configuration changes on a Cisco switch, a network administrator issues a copy running-config startup-config command. What is the result of issuing this command?

A

The new configuration will be loaded if the switch is restarted.

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31
Q

What command will prevent all unencrypted passwords from displaying in plain text in a configuration file?

A

(config)# service password-encryption

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32
Q

What three application layer protocols are part of the TCP/IP protocol suite?

A

DHCP
DNS
FTP

33
Q

Two types of network access layer protocols in the TCP/IP protocol suite.

34
Q

an internet layer protocol in the TCP/IP protocol suite.

35
Q

This organization is responsible for overseeing and managing IP address allocation, domain name management, and protocol identifiers.

A

Internet Assigned Numbers Authority (IANA)

36
Q

This organization is the largest developer of international standards in the world for a wide variety of products and services. It is known for its Open System Interconnection (OSI) reference model.

A

International Organization of Standardization (ISO)

37
Q

This organization promotes the open development, evolution, and use of the internet throughout the world.

A

Internet Society (ISOC)

38
Q

Which name is assigned to the transport layer PDU?

39
Q

The general term for the PDU used at the application layer.

40
Q

The general term for the transport layer PDU

41
Q

The general term for the network layer PDU

42
Q

The general term for the data link layer PDU

43
Q

A physical layer PDU used when physically transmitting data over the medium.

44
Q

When IPv4 addressing is manually configured on a web server, which property of the IPv4 configuration identifies the network and host portion for an IPv4 address?

A

Subnet Mask

45
Q

Uniquely identifies an end device on the network.

A

IPv4 Address.

46
Q

Determines the network address portion and host portion for an IPv4 address.

A

Subnet Mask.

47
Q

The IP address of the router interface used for communicating with hosts in another network.

A

Default gateway

48
Q

The IP address of the Domain Name System (DNS) server.

A

DNS server address.

49
Q

What process involves placing one PDU inside of another PDU?

A

Encapsulation .

50
Q

What layer is responsible for routing messages through an internetwork in the TCP/IP model?

51
Q

Four Layers of the TCP/IP model?

A

Application.
Transport.
Internet.
Network Access

52
Q

Correct order of events for the TCP/IP protocol when a Telnet message is being prepared to be sent over the network?

A

Telnet-formatted data is provided to the next layer.

TCP header is added.

IP header is added.

Ethernet header is added.

53
Q

Which PDU format is used when bits are received from the network medium by the NIC of a host?

54
Q

Which method allows a computer to react accordingly when it requests data from a server and the server takes too long to respond?

A

Response Timeout

55
Q

A web client is receiving a response for a web page from a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to decode the received transmission?

A

Ethernet, IP, TCP, HTTP

56
Q

Governs the way that a web server and client interact

57
Q

Manages individual conversations between web servers and clients.

58
Q

Responsible for delivery across the best path to the destination.

59
Q

Takes the packet from IP and formats it for transmission.

60
Q

Which two OSI model layers have the same functionality as the network access layer of the TCP/IP model?

A

data link

physical

61
Q

OSI application, presentation, and session layers are functionally equivalent to which TCP/IP layer?

A

Application Layer

62
Q

At which layer of the OSI model would a logical address be added during encapsulation?

A

network layer

63
Q

These define how messages are exchanged between the source and the destination.

A

Network Protocols.

64
Q

Which device performs the function of determining the path that messages should take through internetworks?

65
Q

Why would a Layer 2 switch need an IP address?

A

to enable the switch to be managed remotely.

66
Q

What term describes a network owned by one organization that provides safe and secure access to individuals who work for a different organization?

67
Q

What term describes storing personal files on servers over the internet to provide access anywhere, anytime, and on any device?

68
Q

What term describes a network where one computer can be both client and server?

A

peer-to-peer

69
Q

What term describes a type of network used by people who work from home or from a small remote office?

A

SOHO network

70
Q

What term describes a computing model where server software runs on dedicated computers?

A

client/server

71
Q

What term describes a technology that allows devices to connect to the LAN using an electrical outlet?

A

Powerline Networking

72
Q

What term describes a policy that allows network devices to manage the flow of data to give priority to voice and video?

A

Quality of Service

73
Q

What term describes a private collection of LANs and WANs that belongs to an organization?

74
Q

What term describes the ability to use personal devices across a business or campus network?

A

Bring Your Own Device (BYOD)

75
Q

At which OSI layer is a source IP address added to a PDU during the encapsulation process?

A

Network Layer

76
Q

At which OSI layer is a destination port number added to a PDU during the encapsulation process?

A

Transport Layer

77
Q

At which OSI layer is data added to a PDU during the encapsulation process?

A

Application Layer

78
Q

At which OSI layer is a source MAC address added to a PDU during the encapsulation process?

A

Data Link Layer

79
Q

At which OSI layer is a destination MAC address added to a PDU during the encapsulation process?

A

Data Link Layer

CCNA 1 (2 decks)

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