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A+ Exam Prep 801-802 > Ch15 Networking > Flashcards

Ch15 Networking Flashcards

1
Q

MAN

A

Metropolitan Area Network

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2
Q

PAN

A

Personal Area Network - ad-hoc usually between portable devices.

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3
Q

Bridge

A

Device that can either connect two LANs together or separate them into two sections.

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4
Q

Five Network Topologies

A
  1. Start - Devices all connected to a central point.
  2. Bus - Devices all connected to backbone cable with no switches or routers.
  3. Ring - Devices all connected to each other in a loop / ring fashion.
  4. Mesh - Every device connects to all devices in network.
  5. Hybrid
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5
Q

What term describes a group of computers located in a small area?

A

Local Area Network (LAN)

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6
Q

Name two devices commonly used to connect a group of computers in a LAN?

A
  1. Switch
  2. Wireless Access Point (WAP)
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7
Q

What device contains multiple hard drives and is connected directly to a network?

A

Network attached storage (NAS)

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8
Q

What device allows voice communication over IP-base networks?

A

VoIP

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9
Q

What network topology is the most common ?

A

Star

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10
Q

What network technology combines the charactersistcs of other topologies?

A

Hybrid

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11
Q

What network device moves frames of data between a source and destination based on their MAC addresses?

A

Switch

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12
Q

Cat 3 Network Data Rating

A

10 Mbps Networks

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13
Q

Cat 5 Network Data Rating

A

100 Mbps Networks

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14
Q

Cat 5e Network Data Rating

A

100 / 1Gbps Networks

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15
Q

Cat 6 Network Data Rating

A

100 Mbps / 1 Gbps Networks

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16
Q

568B Wiring Standard

A

Most Common

  1. Orange-White
  2. Orange
  3. Green-White
  4. Blue
  5. Blue-White
  6. Green
  7. Brown-White
  8. Brown
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17
Q

568A Wiring Standard

A

Pins 1&3 , 2&6 are switched from 568B

  1. Green-White
  2. Green
  3. Orange-White
  4. Blue
  5. Blue-White
  6. Orange
  7. Brown-White

8 Brown

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18
Q

What are the main difference between single-mode and multimode fiber optic cables?

A

Single-mode is used over longer distances.

Single Mode Cable Diameter is :125 Microns

Multimode Cable Diameter is 50 or 62.5 Microns

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19
Q

Punch down tool

A

Punches individual wires down into the 110 IDC clips of an RJ45 Jack

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20
Q

What cable tupes would be suitable for 1000 Mbps networks?

A

Cat 5e / 6

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21
Q

What type of cable would you use if you were concerned about EMI?

A

Shielded Twisted Pair (STP)

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22
Q

What type of cable can connect a computer to another computer directly?

A

Crossover

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23
Q

What cable has a core diameter of 62.5 Microns

A

Multimode

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24
Q

What cable would you use for Cable Internet?

A

F-Connector

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25
Which tool would you use to test a network adapter not connected to the network?
Loopback plug.
26
What IP-addressed network does APIPA assign address to?
169.254.0.0
27
Class A Addressable IP Range (1st Octet)
1 to 126
28
Class B Addressable IP Range (1st Octet)
128 to 191
29
Class C Addressable IP Range (1st Octet)
192 - 223
30
Class A Private IP Range
10.0.0.0 to 10.255.255.255
31
Class B Private Range
172.16.0.0 - 172.31.255.255
32
Class C Private Range
192.168.1.1 to 192.168.255.255
33
Loopback Addresses for IPv4 and IPv6
IPv4: 127.0.0.1 IPv6 ::1
34
IPv6 Unicast Address Beginning Digit
2000
35
IPv6 Multicast Range
FF00::/8
36
FTP Port Number
21
37
SSH Port Number
22
38
Telnet Port Number
23
39
SMTP Port Number
Simple Mail Transport Protocol 25
40
DNS Port Number
Domain Name Server 53
41
HTTP Port Number
80
42
POP3 Port Number
110
43
IMAP Port Number
143
44
HTTPS Port Number
443
45
RDP Port Number
Remote Desktop Protocol 3389
46
Which protocol uses port 22
Secure Shell (SSH)
47
Which address needs to be configured to enable a computer access to the Internet or other networks?
Gateway Address
48
The IP address 128.0.0.1 would be part of whatIPv4 Class?
Class B
49
What technology assigns addresses on the 169.254.0.0 network?
APIPA
50
What type of IPv6 address is commonly assigned to client computers?
Unicast beginning with FE80::/10
51
You want to test the local loopback IPv6 address. Which address would you use?
::1
52
Which Internet protocol would be used for streaming media?
UDP
53
Which port is used by the IMAP protocol?
143
54
Which protocol sends and receives information in an encrypted manner by default?
HTTPS
55
Which IP address can be a gateway for a computer using the IP address 10.58.64.192 and the subnet of 255.255.255.0?
10.58.64.1
56
A user can receive e-mail but cannot send any. Which protocol is not configured properly?
Simple Mail Transport Protocol (SMTP)
57
POTS
Plain Old Telephone Service - Simple landline that comes into a home allowing a person to make phone calls.
58
PSTN
Public Switched Telephone Network - Entire set of hardware / network that controls POTS connections.
59
Two Types of ISDN Services
1. Basic Rate ISDN (BRI) 2. Primary Rate ISDN (PRI)
60
BRI Specs
Basic Rate ISDN 1. 128 Kbps 2. Two B Equal channels at 64 Kbps each. 3. Separate D Channel at 16Kbps for timing
61
PRI Spec
1. 1.536 Mbps running on a T1 circuit. 2. 23 Equal 64 Kbps B channels for data 3. One 64 Kbps D channel for timing.
62
802.11a Data Rate / Frequency / Range Indoor / Range Outdoor
1. 54 Mbps 2. 5 GHz 3. 35 m / 115 Ft 4. 120 m / 390 Ft
63
802.11b Data Rate / Frequency / Range Indoor / Range Outdoor
1. 11 Mbps 2. 2.4 GHz 3. 35 m / 115 ft 4. 140 m / 460 ft
64
802.11g Data Rate / Frequency / Range Indoor / Range Outdoor
1. 54 Mbps 2. 2.4 Ghz 3. 38 m / 125 ft 4. 140 m / 460 ft
65
802.11n Data Rate / Frequency / Range Indoor / Range Outdoor
1. 600 Mbps 2. 5 and/or 2.4 GHz 3. 70m / 230 ft 4. 250 m / 820 ft
66
How to map a network drive in CMD
**net use : \\\**
67
What internet service makes use of PSTN?
Dial-Up
68
What Internet service is wireless and has a range of 50 km?
WiMax
69
Which 802.11 version has a maximum data rate of 54 Mbps and uses the 2.4 GHz frequency range?
802.11g
70
What forwards an external network port to an internal IP address / port on a computer on the LAN?
Port Forwarding
71
What is described as the simultaneous sending and receiving of network data?
Full-duplex
72
What network type requires a Windows-created password to gain access to?
Homegroup
73
You want to connect to a share on \\server1\data-share. What should you use to accomplish this?
Net use cmd
74
Which tab of Internet Options would you go to if you wanted to configure a Proxy Server?
Connections
75
Which command erases the DNS Cache?
ipconfig /flushdns
76
Name the 3 Ping Commands with explanation?
ping -t // Pings host until command is stopped. ping -n X// Pings a specific number of times defined by the value X ping -l // pings the host but you can specify the amount of bytes per packet.
77
Netstat
Command that shows the network status for the local computer
78
NBTSTAT
displays network protocol statistics that use NetBIOS over TCP/IP connections common use is nbtstat -a
79
Which command will display the MAC address of a computer?
ipconfig /all
80
Which command will ping continuously?
ping -t
81
Which command will show the path of routers between your computer and a web server?
tracert
82
You need to map a network drive to a share named data1 on a computer named Jupiter-Server. You want to use the J: drive letter. What syntax should you use if you were to do this in a CMD environment?
net use J: \\Jupiter-Server\data1
83
A user complains that the computer is not connecting to the network. What should you check first?
Network Cables
84
One computer loses connectivity. All connectors and settings appear to be correct. What tool should you use to fix the problem?
Cable tester
85
One of your customers no longer has access to a frequently accessed website. You ping another computer and the router on the network successfully. What should you do next?
Ping the website
86
A user moves a laptop from one office to another. The patch cable and the network adapter do not appear to be working properly at the new office. The cable is plugged in correctly and tests okay when checked with a patch tester. What should you do first?
Check if the port on the switch is enabled.

A+ Exam Prep 801-802 (19 decks)

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