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CompTIA P1 Study Guide > Chapt 5 > Flashcards

Chapt 5 Flashcards

1
Q

if all computers on the network are in the same office, then the office is a _____

A

LAN ( Local Area Network)

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2
Q

what is a network dedicated to storage devices called?

A

SAN (Storage Area Network)

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3
Q

Ethernet uses _______ to send information on the network.

A

CSMA/CD (Carrier Sense Multiple Access with Collision Detection)

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4
Q

as oppesed to a WLAN (wireless local area network) a Bluetooth network is referred to as a ________

A

WPAN (wireless personal area network)

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5
Q

to use a wireless network, clients must connect to what type of device?

A

Wireless access point or wireless router

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6
Q

the language of communication spoken between computers on a network is called a _______

A

protocol

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7
Q

if you have multiple LANs connected together by a slower-speed connection you have a _________

A

WAN (wide area network)

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8
Q

what type of network cable does not produce poisonous gas when burned?

A

Plenum

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9
Q

a bluetooth network is called a _______ . multiple connected bluetooth networks are called a _______

A

piconet, scatternet

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10
Q

three connector types for fiber optic cable are _____ , _____, and ________

A

ST (Straight Tip)
SC (subscriber connector)
LC (lucent connector)

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11
Q

STP(shielded twisted pair) designed for outdoor or underground use is called what?

A

direct burial

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12
Q

a passive connectivity device that amplifies a signal is called a _______

A

repeater or active hub

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13
Q

if one end of an ethernet patch cable is configured as T568B, then the other end needs to be configured as ________.

A

T568B

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14
Q

what type of device provides network connections through an electrical outlet?

A

ethernet over power

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15
Q

the cable type with the longest range is _______

A

fiber optic

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16
Q

the network connectivity device that can connect multiple networks to each other is a _______

A

router

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17
Q

two connector types used with twisted pair cabling are:

A

RJ-11 and RJ-45

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18
Q

technology that allows for electricity to be supplied over network cables is called _______

A

power over ethernet PoE

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19
Q

a simple hardware device that allows for longer cable runs is called a(n) _______

A

repeater or extender

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20
Q

a cloud based service that replicates the function of a router or switch is called what?

A

SDN (software defined networking)

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21
Q

what is the device used to get internet access from fiber-optic lines coming from the ISP (Internet Service Provider)?

A

ONT (optical network terminal)

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22
Q

Coax cable uses what type of connector?

A

F type (BNC is also acceptable but is not an exam objective)

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23
Q

what type of cable is used with a punchdown box?

A

copper( specifically twisted pair)

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24
Q

F type connectors are used for what type of cable?

A

coaxial

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25
Q

two coaxial networking cable standards are :

A

RG-6 and RG-59

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26
Q

an RJ-45 connector is used with what type of cable?

A

twisted pair

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27
Q

__________ network cables are immune to crosstalk and RFI (Radio Frequency Interference)

A

fiber-optic

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28
Q

two types of full size fiber-optic connectors are:

A

SC (subscriber connector)
ST (straight tip)

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29
Q

a ______ or a _______ is usually the connectivity device at the center of a star network.

A

hub, switch

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30
Q

when network signals are sent using electrical outlets, that is called _______

A

Ethernet over Power

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31
Q

a rack-mounted device that is used to connect many network cables together is called a(n) ________

A

patch panel

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32
Q

____________________ is immune to electromagnetic or radio-frequency interference.

A) Twisted pair cabling
B) CSMA/CD
C) Broadband coaxial cabling
D) Fiber-optic cabling

A

Fiber-optic cabling.
Companies that want to ensure the safety and integrity of their data should use fiber‐optic cable because it is not affected by electromagnetic or radio‐frequency interference. Even though some copper cables have shielding, they are not immune to EMI or RFI. This eliminates twisted pair and coaxial. CSMA/CD is an access method, not a cable type.

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33
Q

Which of the following is a type of connector used with coaxial cable?

RJ-11, RJ-45, F type, SC

A

F type.
Coaxial cable can use BNC connectors and F type connectors. RJ‐11 and RJ‐45 are twisted pair connectors. SC is a fiber‐optic connector.

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34
Q

You need to put a connector on the end of an Ethernet crossover cable. The existing end has a white and green colored wire at pin 1. What color do you need to make pin 1 on the new end?

A) White/green
B) Green
C) White/orange
D) Orange

A

White/orange.
A crossover cable will flip pins 1 and 3 on each end. Therefore, this end needs to have the white/orange wire as pin 1. The correct order for this cable should be white/orange, orange, white/green, blue, white/blue, green, white/brown, brown.

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35
Q

___________________ is the type of media access method used by NICs that listen to or sense the cable to check for traffic and send only when they hear that no one else is transmitting.

T568A/T568B, CSMA/CD, CSMA/CA, Demand priority

A

CSMA/CD.
Carrier Sense Multiple Access with Collision Detection (CSMA/CD) specifies that the NIC pause before transmitting a packet to ensure that the line is not being used. If no activity is detected, then it transmits the packet. If activity is detected, it waits until it is clear. In the case of two NICs transmitting at the same time (a collision), both NICs pause to detect and then retransmit the data. CSMA/CA listens to the line as well but tries to avoid collisions. T568A/T568B are twisted pair wiring standards. Demand priority is a media access method, but we didn’t discuss it at all in the chapter as it’s not related to the A+ exam. It’s used with a standard called 100BaseVG.

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36
Q

What is the lowest grade of UTP that is rated for 100 Mbps transmission?

Cat 5, Cat 5e, Cat 6, Cat 6a

A

Cat 5.
Cat 5 was the first UTP standard ratified for 100 Mbps transmissions. Before that, Cat 3 was popular but only supported 10 Mbps. Cat 5e, Cat 6, and Cat 6a all support at least 1 Gbps and came after Cat 5.

Cat5e 1Gbps
Cat6 1Gbps
Cat6a 10 Gbps

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37
Q

A physical star topology consists of several workstations that branch off a central device called a ?

NIC, Bridge, Router, Hub

A

Hub.
A hub or a switch is at the center of a star topology. A NIC is a network card, which each computer must have to be on the network. Bridges and routers are higher‐level connectivity devices that connect network segments or separate networks together.

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38
Q

Of all the network cabling options, _________ offers the longest possible segment length.

Unshielded twisted pair, Coaxial, Fiber-optic, Shielded twisted pair

A

Fiber-optic.
Fiber‐optic cable can span distances of several kilometers because it has much lower attenuation, crosstalk, and interference as compared to copper cables.

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39
Q

What devices transfer packets across multiple networks and use tables to store network addresses to determine the best destination?

Routers, Firewalls, Hubs, Switches

A

Routers.
Routers are designed to route (transfer) packets across networks. They are able to do this routing, determining the best path to take, based on the internal routing tables that they maintain.

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40
Q

Which of the following networking hardware devices is capable of creating VLANs?

Firewall, Patch panel, Unmanaged switch, Managed switch

A

Managed switch.
A managed switch can create virtual LANs (VLANs) using its management software. A firewall is a hardware or software solution that serves as your network’s security guard. Patch panels and unmanaged switches cannot create VLANs.

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41
Q

Which of the following wireless communication standards is often described in terms of a wireless personal area network?

Bluetooth, Infrared, Cellular, Ethernet

A

Bluetooth.
Bluetooth networks are often called wireless personal area networks (WPANs).

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42
Q

Your ISP has just finished running fiber-optic cable in your neighborhood, and you want to switch from cable Internet to a faster fiber-optic connection. Which of the following statements is true about how you will get an Internet connection?

A) You will continue to use your cable modem.
B) You need to switch to using a DSL modem.
C) You need to switch to using an ONT.
D) You need to switch to using PoE.

A

You need to switch to using an ONT.

Fiber‐optic Internet connections use an optical network terminal (ONT) to terminate the fiber and translate it into a digital connection over copper cable inside your home. A cable modem and DSL modem connect copper to copper. Power over Ethernet (PoE) is not relevant in this situation.

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43
Q

If you are going to run a network cable in the space above the drop ceiling in your office, which type of cable should you use?

Plenum, PVC, Coaxial, Fiber-optic

A

Plenum.
For areas where a cable must be fire retardant, such as in a drop ceiling, you must run plenum‐grade cable. Plenum refers to the coating on the sleeve of the cable, not the copper or fiber within the cable itself. PVC is the other type of coating typically found on network cables, but it produces poisonous gas when burned.

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44
Q

Which of the following connector types is an MFF connector?

BNC, ST, SC, LC

A

LC.
The local connector (LC) is a mini form factor (MFF) fiber‐optic connector developed by Lucent Technologies. If it helps, think of LC as “Little Connector.”

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45
Q

What Ethernet specification would you be running if you needed to make a connection of 10 Gbps over a distance of 5 kilometers?

10GBaseER, 10GBaseT, 10GBaseSR, 10GBaseLR

A

10GBaseER.
If you need to make a connection that is 5 kilometers long, then you are limited to fiber‐optic cable, specifically single‐mode fiber (SMF). Two common SMF standards are 10GBaseER and 10GBaseEW. (Think of the E as extended.) A T designation in an Ethernet standard refers to twisted pair. SR and LR are fiber standards that do not stretch for 5 kilometers.

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46
Q

Which of the following are advantages to using a SAN? (Choose two.)

A) More storage space on the network
B) More efficient data storage
C) Faster data access
D) Automated data backups

A

More efficient data storage
Faster data access

B, C. Storage area networks (SANs) have many advantages, including block‐level data storage, which is more efficient. They also reduce network loads, provide faster data access, and are easily expandable. They do not inherently provide more storage space (although they are easy to expand) or do automated data backups (although they are easier to set up).

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47
Q

You are installing a network at a friend’s house, and it’s impossible to run a network cable from one point in the house to another. Your friend does not want to use wireless networking. Which of the following is the best option to get network connectivity between the two points?

Power over Ethernet injector, Power over Ethernet switch, Ethernet over Power, Router

A

Ethernet over Power.
Ethernet over Power can transmit network signals over power lines within a closed circuit, such as a house. It’s the best choice. PoE devices provide power to devices that have only an Ethernet connection available. A router is for connecting network segments together.

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48
Q

What type of device will block unwanted traffic from your network using a set of rules called an ACL?

Router, Firewall, Switch, NAS

A

Firewall.
The job of a firewall is to block unwanted network traffic. Firewalls do this by using a list of rules called an access control list (ACL). Routers connect networks to each other, and switches are central connectivity points for networks. A network attached storage (NAS) device is like a dedicated file server.

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49
Q

What type of coaxial cable is recommended for digital television cable signals?

RG-6, RG-8, RG-58, RG-59

A

RG-6.
The two RG standards used for cable television are RG‐6 and RG‐59. Of the two, RG‐6 is better because it can run longer distances and can handle digital signals. RG‐59 is for analog signals only. RG‐8 is thicknet coax, and RG‐58 is thinnet coax.

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50
Q

Which of the following devices works with MAC addresses to determine what to do with network traffic?

Hub, Router, Patch panel, Switch

A

Switch.
A switch is a Layer 2 device; therefore, it works with hardware (MAC) addresses. Hubs and patch panels work at Layer 1 and deal with bits, and routers work at Layer 3 and work with logical IP addresses.

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51
Q

Transmitting at 10 Gbps, how far can signals on an MMF cable travel?

100 m, 550 m, 1 km, 40 km

A

550 meters.
Multimode fiber (MMF) can transmit up to 550 meters, depending on the Ethernet specification. Other standards using MMF can transmit only up to 300 meters. If you need to transmit up to 40 kilometers, you will have to use single‐mode fiber (SMF).

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52
Q

the process of having to save to a floppy and then take that disk to the recipient is called ?

A

sneakernet

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53
Q

A _____ links two or more computers together to communicate and share resources

A

network

54
Q

The first software programs that ran on a LAN were not capable of being used by more than one user at a time. (This constraint was known as _____.)

A

file locking

55
Q

Bluetooth networks are formed on a(n) ________, meaning that whenever two Bluetooth devices get close enough to each other, they can communicate directly with each other—no central communication point is required

A

ad hoc basis

56
Q

a bluetooth network is also called a ?

A

piconet

57
Q

Two or more piconets can be linked together in a _____

A

scatternet

58
Q

This network won’t have client computers or other types of servers on it. It’s for storage only

A

SAN
storage area network

59
Q

With ________, files are split into chunks of data of equal size, assigned a unique identifier, and then stored on the hard drive.

A

block storage

60
Q

Wireless clients on a network typically access the network through a ?

A

wireless access point (WAP) or router

61
Q

A ______ is basically an everyday computer, except for the fact that it is connected to a network that offers additional resources.

A

workstation

62
Q

Networks use a ____ to control the communication with resources and the flow of data across the network

A

network operating system (NOS)

63
Q

Server-based networks are often known as?

A

domains

64
Q

the simplest network topology that uses the least amount of cabling and is the cheapest

A

BUS

65
Q

A _____ topology branches each network device off a central device called a hub or a switch

A

star topology
(also called a hub-and-spoke topology)

66
Q

In a ____ topology, each computer connects to two other computers, joining them in a circle

A

ring

67
Q

in this topology, each device is connected to every other device and it is the most complex, expensive and highly fault tolerant.

A

mesh

68
Q

computers use a common language called a?

A

protocol

69
Q

_______ tries to fix collisions after they happen,
_______ tries to avoid them in the first place

A

CSMA/CD tries to fix collisions after they happen,
CSMA/CA tries to avoid them in the first place

70
Q

__________ communication means that between the sender and receiver, only one of them can transmit at any one time

A

Half-duplex

71
Q

In ______ communication, a computer can send and receive data simultaneously.

A

full-duplex

72
Q

the coating that does not produce toxic gas when burned and is rated for use in the ventilation areas in a building is called?

A

plenum-rated

73
Q

RG cable used for internet or TV

A

RG-6 and RG-59

74
Q

RG-6 has a thicker core (1.0 mm), can run longer distances and can support digital signals. Its’ max run distance is:

A

(up to 304 meters, or 1,000 feet)

75
Q

RG-59 (0.762 mm core) is considered adequate for analog cable TV but not digital and has a maximum distance of about:

A

228 meters (750 feet)

76
Q

the ________ connector is used with cable TV. You’ll see it on the end of an RG-6 or possibly an RG-59 cable

A

F type

77
Q

_____ has an extra layer of braided foil shielding surrounding the wires to decrease electrical interference

A

STP shielded twisted pair

78
Q

Cat 5 Transmission speed and Max Distance

A

100 Mbps 100 meters

79
Q

Cat 5e Transmission speed and Max Distance

A

1 Gbps 100 meters

80
Q

Cat 6 Transmission speed and Max Distance

A

10 Gbps 55 meters

81
Q

Cat 6a Transmission speed and Max Distance

A

10 Gbps 100 meters

82
Q

Multi Mode Fiber MMF Transmission speed and Max Distance

A

1 Gbps 550 meters

83
Q

Single Mode Fiber SMF Transmission speed and Max Distance

A

10 Gbps 40 kilometers

84
Q

if you see Cat __, there is no guarantee of the type of performance that you will get

A

6e

85
Q

In a crossover cable, pin __ to pin __ and pin __ to pin __ are crossed on one side of the cable only

A

In a crossover cable, pin 1 to pin 3 and pin 2 to pin 6 are crossed on one side of the cable only

86
Q

T568B

A

w/orange
orange
wgreen
blue
wblue
green
wbrown
brown

87
Q

_____ cable is STP with an extra waterproof sheathing and can be run under ground

A

direct burial

88
Q

_________ is immune to electrical interference and to wiretapping.

A

fiber optic cable

89
Q

Fiber-Optic Connector Types

A

straight tip (ST)
subscriber connector (SC)
Lucent connector (LC)

90
Q

it takes optical signals and changes them into electrical ones for your internal home or business network

A

optical network terminal (ONT) modem.

91
Q

______ connect all ports together electrically but do not have their own power source.

A

Passive hubs

92
Q

_________ use electronics to amplify and clean up the signal before it is broadcast to the other ports

A

Active hubs

93
Q

A ___ adds the ability to configure ports, manage traffic, and monitor traffic for issues.

A

managed switch

94
Q

T568a

A

White green
Green
White orange
Blue
White blue
Orange
White brown
Brown

95
Q

What are the five steps for removing malware?

A

Identify malware symptoms
Quarantine the infected system
Remediate the infected system
Schedule scans and updates
Educate the end user

96
Q

Which SMART metric explains the total number of bad sectors when reading from or writing to a sector?

A) command timeout
B) reallocated sector count
C) current pending sector
D) uncorrectable sector count

A

uncorrectable sector count

97
Q

What is the correct ID of reported uncorrectable errors?

A

187

98
Q

Which step of the troubleshooting methodology inquires regarding environmental or infrastructure changes?

A

Step 1

Question the user and identify user changes to the computer and perform backups before making changes.

Inquire regarding environmental or infrastructure changes.

Review system and application logs.

99
Q

Which of the following are valid power options for mini pcie cards? Choose all that apply.

A) 3.3v
B) 2.3v
C) 1.5v
D) 5v

A

3.3v and 1.5v

100
Q

Paper jams in inkjet printers can be caused due to the following two reasons?

A

A Worn pickup roller, the wrong type of paper

101
Q

Which of these is NOT an inkjet printer category?

A) control, interface, and power circuitry
B) paper replace mechanism
C) print head/ink cartridge
D) head carriage, belt, and stepper motor

A

Paper replacement mechanism

102
Q

Which of the following conditions should be met when a port does not appear to be functioning? Choose all that apply.

A) the port has not been enabled in the device manager
B) the cables are snugly connected
C) the port has not been enabled in the bios setup
D) no pins are broken or bent on the male end of the port or on the cable being plugged into it

A

B, D

103
Q

Which of the following devices transfers the data by making decisions based on The Logical addresses of the network?

A) router
B) hub
C) firewall
D) repeater

A

Router

Routers connect multiple Network segments and determine the best path for sending the data. They can route package across multiple networks and use routing tables to store Network addresses to determine the best destination.

104
Q

Which of the following devices works with Mac addresses to determine what to do with network traffic?

A) hub
B) Switch
C) patch panel
D) router

A

Switch

105
Q

Joe, a system administrator, wants to join multiple computers together within the same lan. He also wants to increase the number of devices on a Lan without sacrificing performance. Which of the following network devices will he use to accomplish the given task?

A) repeater
B) modem
C) router
D) switch

A

Switch

106
Q

What type of ethernet cable can transmit data at a speed of 10gbps, but only up to a distance of 55 m?

A

Cat 6

107
Q

Which of the following connectors terminates a coaxial cable?

A) MT-RJ
B) BNC
C) ST
D) RJ-45

A

BNC

108
Q

Joe, a technician, encounters a problem that a device is sending frames to all the ports instead of the destination ports. He wants that the device should forward data only to the intended destination using the MAC address of the device. Which of the following devices will help him to troubleshoot this problem?

A) hub
B) Switch
C) router
D) repeater

A

Switch

109
Q

What two types of connectors are used with coaxial cables?

A

F type and BNC

110
Q

Which of the following networking devices can send packets to the correct subnet to take them to their destination and can communicate with each other?

A) switch
B) router
C) repeater
D) hub

A

Router

111
Q

What is the lowest grade of UTP that is rated for 100 Mbps transmission?

A

Cat 5

112
Q

At what rate can cat 3 transfer data at?

A

10 Mbps

113
Q

Firewalls use a list of rules called?

A

ACL Access Control list

114
Q

What devices transfer packets across multiple networks and use the tables to store Network addresses to determine the best destination?

A) hubs
B) switches
C) routers
D) firewall

A

Routers

115
Q

What networking Hardware device is capable of creating VLANs?

A

Managed switch

116
Q

10G Base ER distance

A

40km over single mode fiber

117
Q

10G Base LR distance

A

10km over single mode fiber

118
Q

10G Base SR distance

A

300m over multi mode fiber (OM3)

119
Q

10G Base T distance

A

100m

120
Q

You need to put a connector on the end of an Ethernet crossover cable. The existing end has a white and green colored wire at Pin 1. What color do you need to make pin 1 on the new end?

A

White/orange

121
Q

A crossover cable will flip which two pins?

A

1 and 3
2 and 6

122
Q

You are configuring a network and need to connect a local Lan segment to an external network. Which device will connect multiple networks together and determine the best path for sending data?

A) repeater
B) router
C) patch panel
D) hub

A

Router

123
Q

Transmitting at 10Gbps, how far can signals on a MMF cable travel?

A) 100m
B) 550m
C) 1km
D) 40km

A

550m

124
Q

What cable can transmit data at a speed of 16 mbps?

A

Cat 4

125
Q

Which type of fiber optic connector, containing one fiber optic strand per connector, is connected by pushing the connector into a terminating device and can be removed just by pulling the connector from the terminating device?

A

SC

126
Q

A network Tech is installing a new network switch and is looking for an appropriate fiber optic patch cable. The fiber optic patch panel uses a twist-style connector. What connector type should be used?

A

ST

127
Q

What is the size of a MAC address in bits?

A

48

128
Q

What type of fiber optic cable is an MFF connector?

A

LC

129
Q

______ is the type of media access method used by NICs that listen to or since the cable to check for traffic and send packets only when they hear that no one else is transmitting.

A

CSMA/CD

130
Q

Which network connectivity device stops broadcasts from being sent to computers on a different network segment?

A) firewall
B) router
C) switch
D) hub

A

Router

CompTIA P1 Study Guide (14 decks)

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