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EXAM 1

75 flashcardsby Jmac
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1
OSI Layer 1
Physical
2
OSI Layer 2
Data Link
3
OSI Layer 3
Network
4
OSI Layer 4
Transport
5
OSI Layer 5
Session
6
OSI Layer 6
Presentation
7
OSI Layer 7
Application
8
Data at Layer 1
Bits
9
Data at Layer 2
Frames
10
Data at Layer 3
Packets
11
Data at Layer 4
Segament
12
Network device at Layer 1
Repeater
13
Network device at Layer 2
Switch
14
Network device at Layer 3
Router
15
Protocol at Layer 2
Ethernet
16
Protocol at Layer 3
IP
17
Protcol at Layer 4 (C)
TCP
18
Protcol at Layer 4 (CL)
UDP
19
Layer 2 MAC Address
48 bits, hexidecimal
20
Layer 3 IPv4 address
32 bits, Dotted decimal
21
Layer 3 IPv6 address
128 bits, hexidecimal
22
IPv4 Class A
1-126
23
IPv4 Class A (Private)
10.0.0.0
24
IPv4 Class B
128-191
25
IPv4 Class B (Private)
172.16.0.0
26
IPv4 Class C
192-223
27
IPv4 Class C (Private)
192.168.0.0
28
IPv4 Class A Default Subnet Mask
255.0.0.0
29
IPv4 Class B Default Subnet Mask
255.255.0.0
30
IPv4 Class C Default Subnet Mask
255.255.255.0
31
IPv4 Loopback
127.0.0.1
32
IPv6 Loopback
::1
33
Bluetooth
PAN (Personal Area Network)
34
PAN (Personal Area Network)
Bluetooth
35
Ethernet
LAN (Local Area Network)
36
LAN (Local Area Network)
Ethernet
37
SSID
e.g. MustangWireless
38
e.g. MustangWireless
SSID
39
SSID
e.g. MustangWireless
40
IEEE 802.11
Wi-Fi
41
TDM (Time division multiplexing)
Static time slot assignment
42
Static time slot assignment
TDM (Time division multiplexing)
43
STDM (Statistical time devision mutliplexing)
Dynamic time slot assignment
44
Dynamic time slot assignment
STDM (Statistical time devision mutliplexing)
45
DNS A Record
Name to IPv4 Address
46
Name to IPv4 Address
DNS A Record
47
DNS AAAA Record
Name to IPv6 Address
48
Name to IPv6 Address
DNS AAAA Record
49
DNS Mx Record
Name to email server IP Address
50
Horizontal Cabling
Connects work area to telecom closet
51
Backbone Cabling
Connects telecom closet to data center
52
Most Common Physical Topology
Star
53
UTP (Unsheld twisted pair)
Cheap
54
Cheap
UTP (Unsheld twisted pair)
55
STP (Shielded twisted pair)
Block EMI (Noise)
56
Block EMI (Noise)
STP (Shielded twisted pair)
57
Fiber Optic Cable
Fast speeds, more secure
58
TCP 3-way Handshake
SYN; SYN-ACK; ACK
59
Power Blackout
No power
60
Power brownout
Power sag
61
BSS (Basic service set)
One access point
62
One access point
BSS (Basic service set)
63
ESS (Extended service set)
Multiple access points
64
Multiple access points
ESS (Extended service set)
65
Telnet
Terminal emulation
66
FTP
File Transfer
67
TFTP
File transfer - no guarantee
68
ipconfig
see IP address, subnet mask, default gateway
69
nslookup
DNS name to IP, IP to name
70
DHCP
Automatic IP address lease
71
DNS
Resolves name to IP address
72
ARP
Resolve IP address to MAC address
73
HTTPS
Secure Web Browsing
74
Public IP Address
Routed on internet
75
Private IP Address
Not routed on internet (within AS only)
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