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Cyber Security > Network+ N10-006 > Flashcards

Network+ N10-006 Flashcards

1
Q

What type of network is defined by two computers that can both send and receive requests for resources?

A

peer-to-peer

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2
Q

What is the delay in the amount of time for data to travel between two points on a network?

A

latency

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3
Q

Fill in the blank.

In fiber-optic media, the signals are represented as patterns of

A

Light.

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4
Q

Which statement describes the ping and tracert commands?

A

Tracert shows each hop, while ping shows a destination reply only.

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5
Q

Which two devices are considered end devices? (Choose two.)

A

printer, laptop

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6
Q

What terms represent the maximum and actual speed that can be utilized by a device to transfer data?

A

throughput; bandwidth

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7
Q

What is the purpose of an IP address?

A

It identifies the source and destination of data packets on a network.

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8
Q

What is the Internet?

A

a network of networks

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9
Q

Which items are collectively referred to as network media?

A

wires and radio waves

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10
Q

Which term is used to describe a network device with the primary function of providing information to other devices?

A

server

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11
Q

Fill in the blank.

When a user is visiting an e-learning website to learn about networking, the user computer is acting as a

A

Refer to curriculum topic: 1.2.1
In this scenario, the computer is reliant on the e-learning website to provide the necessary information required for the user to learn about networking. Therefore, the computer is the client device.

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12
Q

Gigabyte

A

approximately one billion bytes

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13
Q

Kilobyte

A

approximately one thousand bytes

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14
Q

Megabyte

A

approximately one million bytes

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15
Q

Terabyte

A

approximately one trillion bytes

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16
Q

What is an advantage of the peer-to-peer network model?

A

ease of setup

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17
Q

Which criterion can be used to select the appropriate type of network media for a network?

A

the number of intermediary devices that are installed in the network

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18
Q

Fill in the blank.

Information in its raw or unorganized form that represents something is known as

A

data

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19
Q

Which two criteria are used to help select a network medium for a network? (Choose two.)

A

the distance the selected medium can successfully carry a signal. the environment where the selected medium is to be installed

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20
Q

Which type of network component is used to interconnect computing devices?

A

intermediate device

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21
Q

Which type of Ethernet cable should be used to directly connect two devices that both use the same pins for transmitting and receiving data?

A

crossover twisted-pair cable

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22
Q

What are three characteristics of UTP cabling? (Choose three.)

A

easiest type of networking cable to install

most commonly used networking cable

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23
Q

Which network device is used to translate a domain name to the associated IP address?

A

DNS server

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24
Q

Fill in the blank.
When a network is installed in a high school, it is important for a network admin to create a

topology diagram to document where each host is located and how they are connected to the network.

A

physical

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25
Q

A wireless network was recently installed in a coffee shop and customer mobile devices are not receiving network configuration information. What should be done to correct the problem?

A

Make sure the DHCP server is functional.

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26
Q

Which type of network cable contains multiple copper wires and uses extra shielding to prevent interference?

A

STP

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27
Q

Which type of technology is used to provide digital data transmissions over cell phone networks?

A

4G

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28
Q

Which type of network cable is commonly used in backbone networks and telephone companies?

A

fiber-optic cable

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29
Q

Which IP configuration parameter provides the IP address of a network device that a computer would use to access the Internet?

A

default gateway

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30
Q

What are two sources of electromagnetic interference that can affect data transmissions? (Choose two.)

A

microwave oven,florescent light fixture

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31
Q

Which term describes the interference when electrical impulses from one cable cross over to an adjacent cable?

A

crosstalk

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32
Q

What are two wiring schemes defined by the TIA/EIA organization for Ethernet installation in homes and businesses? (Choose two.)

A

T568A, T568B

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33
Q

Which wireless technology can be used to connect wireless headphones to a computer?

A

Bluetooth

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34
Q

Which type of network cable is used to connect the components that make up satellite communication systems?

A

coaxial

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35
Q

What is a technology used in a cellular telephone network?

A

Global System for Mobile Communications (GSM)

36
Q

What is the purpose of the core layer in the Cisco hierarchical network design model

A

high-speed backbone switching

37
Q

Which two layers of the OSI model specify protocols that are associated with Ethernet standards? (Choose two.)

A

physical layer

data link layer

38
Q

Which term is used to refer to a Layer 2 PDU?

A

frame

39
Q

Fill in the blank.
The
model breaks network communications down into seven functional layers.

A

osi

open systems interconnection

40
Q

What address type does a switch use to make selective forwarding decisions?

A

source MAC

41
Q

elements do all communication methods have in common? (Choose three.)

A

message destination message source transmission medium

42
Q

Which type of network model describes the functions that must be completed at a particular layer, but does not specify exactly how each protocol should work?

A

reference model

43
Q

Which three layers of the OSI model make up the application layer of the TCP/IP model? (Choose three.)

A

session
presentation
application

44
Q

The
____
is an organization that develops and maintains Ethernet and wireless standards.​

A

IEEE, Institute of Electrical and Electronic Engineers

45
Q

When a computer assembles a frame to be sent over the network, what is the maximum size of an Ethernet frame?

A

1518 bytes

46
Q

What type of information is contained in an ARP table?

A

IP address to MAC address mappings

47
Q

The
___
address is a physical address assigned to every Ethernet network interface.​

A

MAC, media access control

48
Q

What role does a router play on a network?

A

selecting the path to destination networks

49
Q

What makes it possible for e-mail to be sent and received on a wide variety of devices, including cell phones, PDAs, laptops, and desktop computers?

A

E-mail software is written using standards and protocols that ensure compatibility.

50
Q

Which term refers to the set of rules that define how a network operates?

A

standard

51
Q

What is the primary motivation for development of IPv6?

A

expanded addressing capabilities

52
Q

What are three characteristics of multicast transmission? (Choose three.)

A

A single packet can be sent to a group of hosts.
Multicast transmission can be used by routers to exchange routing information.
The range of 224.0.0.0 to 224.0.0.255 is reserved to reach multicast groups on a local network.

53
Q

Which function does NAT perform in a wireless router?

A

NAT takes an internal source IP address and translates it to a global IP address.

54
Q

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Based on the DHCP configuration, how many active DHCP clients can be on the network at the same time?

A

Refer to curriculum topic: 4.3.3
Because the address pool starts at 192.168.1.100 and ends at 192.168.1.109 the DHCP IP address pool is 10 hosts. This means that there can only be up to 10 active hosts on the network at the same time.​

55
Q

How many usable hosts are available given a Class C IP address with the default subnet mask?

A

255

56
Q

What is the destination MAC address of a broadcast Ethernet frame?

A

Refer to curriculum topic: 4.3.3

Like IP addressing, there is also a special MAC address for broadcast purposes, namely FF-FF-FF-FF-FF-FF.

57
Q

Which IP address type is intended for a specific host?

A

unicast

58
Q

What type of message is sent to a specific group of hosts?

A

multicast

59
Q

What are two differences between binary and decimal numbers? (Choose two.)

A

Binary numbers are based on powers of 2.

Decimal numbers include 0 through 9

60
Q

A technician is setting up equipment on a network. Which three devices will need IP addresses? (Choose three.)

A

a printer with an integrated NIC
a server with two NICs
an IP phone

61
Q

What are three private IPv4 address? (Choose three.)

A
  1. 1.1.1
  2. 168.5.5
  3. 16.4.4
62
Q

When IPv4 is configured for a computer on a network, what does the subnet mask identify?

A

the part of the IP address that identifies the network

63
Q

How many binary bits exist within an IPv6 address?

A

128

64
Q

Which destination IPv4 address does a DHCPv4 client use to send the initial DHCP Discover packet when the client is looking for a DHCP server?

A

255.255.255.255

65
Q

Which network does a host with IP address 172.32.65.13 reside on if it is using a default subnet mask?

A

172.32.0.0

66
Q

Which type of packet is sent by a DHCP server after receiving a DHCP Discover message?

A

DHCP Offer

67
Q

A ___

is a host that runs software to provide information, such as web content, to other hosts.

A

web server

68
Q

What is used by TCP and UDP to track multiple individual conversations between clients and servers?​

A

port numbers

69
Q

Which three protocols operate at the application layer of the TCP/IP model? (Choose three.)

A

FTP
POP3
DHCP

70
Q

What type of server would use IMAP?

A

email

71
Q

What action does a DNS server take if it does not have an entry for a requested URL?

A

The server checks with another DNS server to see if it has an entry

72
Q

At which layer of the TCP/IP model does TCP operate?

A

transport

73
Q

Which communication tool allows multiple users to communicate with each other in real time by using a smartphone application or social media site?

A

instant messaging

74
Q

What is a “best effort” protocol well suited for streaming audio and VoIP?

A

UDP

75
Q

Which two protocols are used in the process of sending and receiving emails? (Choose two.)

A

POP

SMTP

76
Q

Which protocol allows a user to type www.cisco.com instead of an IP address to access the web server?

A

DNS

77
Q

At what layer of the OSI model are port numbers addressed?​

A

transport

78
Q

Fill in the blank.
A
____
center is a facility used to house computer systems in an enterprise network.

A

data center

79
Q

Fill in the blank.
Transport layer ports 1 through
____
are used to identify well-known ports.

A

1023

80
Q

A user types in a URL and a page loads in the client browser.

A

webservice

81
Q

A user uploads new files to his or her website.

A

file transfer

82
Q

A user requests a website by typing in its name.

A

Domain Name system

83
Q

A workstation gets its IP address automatically.

A

Dynamic Host Configuration

84
Q

A service that allows workers to send messages to each other over the Internet.

A

email

85
Q

A network technician accesses a network device securely from a remote site.

A

SSH

86
Q

Which two applications provide virtual terminal access to remote servers? (Choose two.)

A

SSH

Telnet

Cyber Security (4 decks)

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