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CompTIA Network+ > Book-Cards-Pt1 - Sheet 1 > Flashcards

Book-Cards-Pt1 - Sheet 1 Flashcards

1
Q

qtext

A

answer

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2
Q

True/False: Virtual local area networks (VLANs) create broadcast domains.

A

TRUE

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3
Q

You notice that a user is sending usernames and passwords in clear text. What network monitoring utility was used?

A

Packet sniffer

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4
Q

You have a remote office with very few users. Which WAN technology would be sufficient?

A

Cable modem

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5
Q

What versions of SNMP are susceptible to a packet sniffer?

A

V1 and V2

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6
Q

You need to establish a connection on a wall jack to connect to the desktop. What tool will you use?

A

Snips

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7
Q

Which wireless standard is in the 5Ghz frequency range?

A

802.11a

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8
Q

Wireless users said they are having intermittent problems. All the wired users are fine. What should you check?

A

The antenna location

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9
Q

Users are calling and complaining that they cannot get to the Internet. You check and none of them have an IP address. What device do you check?

A

DHCP server

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10
Q

What is the US Department of Defense standard for individual computers?

A

Trusted computer system

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11
Q

A wireless network with two hosts and no access point is called what?

A

Ad hoc

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12
Q

What does port mirroring provide?

A

Allows you to see frames sent to all or some of the ports on the switch with your analyzer.

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13
Q

Which device filters packets based on rules that have been configured for it?

A

Firewall

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14
Q

You have no money in your budget, but your boss wants smaller broadcast domains. What do you do?

A

Create VLANs

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15
Q

What type of security threat allows an attacker to learn your password through the use of an email or phone call?

A

Social engineering or phishing

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16
Q

What device do you need to route packets over a wireless network?

A

A wireless access point. Don’t get confused by the word route.

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17
Q

What is the default administrative distance of RIP?

A

120

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18
Q

What is the default administrative distance of EIGRP?

A

90

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19
Q

What is the default administrative distance of RIPv2?

A

120

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20
Q

What is the default administrative distance of a static route?

A

1

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21
Q

What is the version or name of RIP that is used with IPv6?

A

RIPng

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22
Q

What is the version or name of OSPF that is used with IPv6?

A

OSPFv3

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23
Q

What is the version or name of EIGRP that is used with IPv6?

A

EIGRPv6

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24
Q

Is BGP considered link state or distance vector?

A

Distance vector

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25
True/False: A bit is one digit, either a 1 or a 0.
TRUE
26
True/False: The Class C private address range is 172.16.0.0 through 172.31.255.255.
False. That is the Class B range
27
True/False: The Class C private address range is 192.168.0.0 through 192.168.255.255.
TRUE
28
What is the 127.0.0.1 address used for?
Loopback; testing of your local IP stack
29
Which layer of the OSI model chooses and determines the availability of communicating partners along with the resources necessary to make the connection?
Application
30
Which layer of the OSI model defines how data is formatted, presented, encoded, and converted?
Presentation
31
Which layer of the OSI model is responsible for creating, managing, and terminating sessions between applications?
Session
32
Name the protocol that uses both TCP ports 20 and 21.
FTP
33
Which Network layer protocol dynamically reports errors to source hosts by using IP directly to build packets?
ICMP
34
Which terminal emulation program is used in the same way Telnet is used but is encrypted?
Secure Shell (SSH)
35
Which Transport layer protocol does a TFTP client use to transfer files over the network?
UDP
36
Which destination port number does a TFTP client use to transfer files over the network?
69
37
The lowest level of QoS is called                     .
Best effort
38
If you need to connect two PCs directly together using their network adapters, what type of cable do you need?
Crossover
39
Which network performance optimization technique uses a contract to determine which data can get on to the network?
Traffic shaping
40
Spreading network traffic across multiple connections is called                     .
Load balancing
41
True/False: A cache is a collection of data duplicating some original data.
TRUE
42
What is the broadcast address of 192.168.192.10/29?
A /29 is 255.255.255.248, which is a block size of 8 in the fourth octet. The subnet is 192.168.192.8. Therefore the broadcast address is 192.168.192.15.
43
True/False: A /27 has a block size of 16.
False. It is a block of 32.
44
True/False: A /28 has a block size of 16.
TRUE
45
True/False: The /30 mask will provide you with only two hosts.
TRUE
46
When should you use plenum-rated cable?
When installing cable in ceilings.
47
True/False: SNAT is a type of Network Address Translation (NAT).
TRUE
48
True/False: Addresses used after NAT translations are called global addresses.
TRUE
49
True/False: A Class C has a default subnet mask of 255.255.0.0.
FALSE
50
True/False: Bridges are hardware based, whereas switches are software based because they use ASIC chips to help make filtering decisions.
FALSE
51
True/False: Bridges and switches learn MAC addresses by examining the source address of each frame received.
TRUE
52
VLANs break up                  domains in a Layer 2 switched network.
Broadcast
53
Switches, by default, only break up                  domains.
Collision
54
Which port configuration of a switch allows two switches to pass VLAN information?
Trunking
55
What is used at Layer 2 to prevent switching loops?
Spanning Tree Protocol (STP)
56
Which switching technology reduces the size of a broadcast domain?
VLAN
57
Which UTP wiring uses four twisted wire pairs (eight wires) and is rated for 250MHz?
Category 6
58
The point at which the operational control or ownership changes from your company to a service provider is referred to as the                     .
Demarcation point or demarc
59
True/False: Crossover cable is used to connect switches together.
TRUE
60
Which RG rating of coax is used for cable modems?
RG-6
61
True/False: A straight-through cable uses only pins 1 to 3 and 2 to 6.
FALSE
62
You want to connect a host to a switch port. What type of Ethernet cable will you use?
Straight-through
63
Which UTP uses four twisted wire pairs (eight wires), is rated for 100MHz, and is capable of handling the disturbance on each pair caused by transmitting on all four pairs at the same time?
Category 5e
64
True/False: Unshielded twisted-pair (UTP) is commonly used in twisted-pair Ethernet (10BaseT, 100BaseTX, 1000BaseTx, and so on).
TRUE
65
True/False: Fiber-optic cable uses a serial connector.
FALSE
66
The maximum segment length of twisted-pair cable is                     .
100 meters (328 feet)
67
True/False: Straight-through cable is used to connect a host to a switch or hub or a router to a switch or hub.
TRUE
68
True/False: Eight wires are used in straight-through cable to connect Ethernet devices.
FALSE
69
Which type of cable is used to connect a hub to switch?
Crossover
70
Which type of cable is used to connect switch to switch?
Crossover
71
Which type of cable should be used to connect to the console port on a router?
Rolled (console)
72
True/False: A patch panel is typically a rack- or wall-mounted structure that houses cable connections.
TRUE
73
Which type of cable can transmit up to 40 kilometers (25 miles)?
Fiber-optic
74
True/False: Full-duplex requires point-to-point communication.
TRUE
75
What is the highest level of encryption you can implement on a wireless network?
WPA2-AES
76
The 110-block termination point is what category compliant?
CAT 5 compliant
77
What is the best reason to implement QoS when real-time applications are in use in the network?
To prioritize delay sensitive traffic
78
What device would you use a punch-down tool on?
110 block

CompTIA Network+ (30 decks)

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