CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 10 pps
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 10 pps
... Ethernet)
10 0 Mbps 10 0 m
Category 5 UTP
(10 00BASE-TX Ethernet)
10 00 Mbps 10 0 m
Multimode optical fiber ( 62. 5 / 12 5 µm)
(10 0BASE-FX Ethernet)
10 0 Mbps 20 00 m
Multimode optical fiber ( 62. 5 / 12 5 µm)
(10 00BASE-SX ... coaxial cable
(10 BASE2 Ethernet, Thinnet)
10 Mbps 18 5 m
50-ohm coaxial cable
(10 BASE5 Ethernet, Thicknet)
10 Mbps 500 m
Category 5 UTP
(1...
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 5 pps
... (Layer 2) address, and network (Layer 3)
address.
11 02. book Page 15 Tuesday, May 20 , 20 03 2: 53 PM
12 Chapter 1: Introduction to Networking
Network Interface Cards
As shown in Figure 1- 6, a NIC ... files and performs e-mail,
file transfers, and other functions
Displays HTML files and performs
e-mail, file transfers, and other
functions
11 02. book Page 17 Tuesday,...
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 9 pps
... communications, and computing equipment.
11 02. book Page 49 Tuesday, May 20 , 20 03 2: 53 PM
52 Chapter 2: Networking Fundamentals
■ Frame Relay
■ T (U.S.) and E (Europe) carrier series—T1, E1, T3, E3, and so ... intranets. The extranet
11 02. book Page 55 Tuesday, May 20 , 20 03 2: 53 PM
Networking Terminology 49
Starting in the 19 60s and continuing through the 19...
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 11 pps
... between application pro-
tocols and data-flow protocols. Whereas the application, presentation, and session
11 02. book Page 71 Tuesday, May 20 , 20 03 2: 53 PM
72 Chapter 2: Networking Fundamentals
layers ... with
a layer-specific PDU and with its peer layer on the destination computer, as shown in
Figure 2 -17 .
11 02. book Page 72 Tuesday, May 20 , 20 03 2: 53 PM
74...
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 17 ppsx
... (Token Ring LANs)
■ 10 0 ohm UTP 4-pair cable (Ethernet LANs)
■ 62. 5 / 12 5 µ fiber-optic cable (Ethernet LANs)
11 02. book Page 13 1 Tuesday, May 20 , 20 03 2: 53 PM
Copper Media 12 9
When working with ... was
sometimes referred to as Cheapernet.
Figure 3 - 12 Coaxial Cable—Thinnet
11 02. book Page 12 9 Tuesday, May 20 , 20 03 2: 53 PM
Optical Media 13 5
and forth slowly, it...
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 18 ppsx
... data communications, as shown in
Figure 3- 21 .
Figure 3- 21 Light Wave Path
11 02. book Page 14 0 Tuesday, May 20 , 20 03 2: 53 PM
Optical Media 14 7
Other Optical Networking Components
Most of the data ... tight-buffered multimode cable.
11 02. book Page 14 6 Tuesday, May 20 , 20 03 2: 53 PM
14 2 Chapter 3: Networking Media
Figure 3 -23 Five Elements of a Fiber-Optic Ca...
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 20 pps
... within a 1 to 2 Mbps range. A DSSS system can operate at
11 02. book Page 16 1 Tuesday, May 20 , 20 03 2: 53 PM
Wireless Communications 15 9
complements the Cisco Aironet 12 00 Series 8 02 .11 a Access ... E
Freq.
(GHz)
2. 40
2. 41
2. 42
2.43
2. 44
2. 45
B
A
E
D
C
Time
Frequency
(GHz)
1
5
4
3
2
2.40
2. 41
2. 42
2.43
2. 44
11 02. book Page 16 0 Tuesday, May 20 ,...
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 21 pps
... communications.
■ Wireless standards include IEEE 8 02 .11 , IEEE 8 02 .11 a, IEEE 8 02 .11 b, and
IEEE 8 02 .11 g.
■ Wired equivalent privacy (WEP) is a security mechanism, defined within the
8 02 .11 standard, that is ... medium when it is properly installed, tested,
and maintained.
11 02. book Page 17 2 Tuesday, May 20 , 20 03 2: 53 PM
Wireless Networking 16 9
Signals...
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 22 ppsx
... through F).
Remember that 10 * 10 can be written as 10
2
(10 “squared,” or 10 raised to the second
power, or 10 multiplied by itself 2 times. 10 * 10 * 10 can be written as 10
3
(ten “cubed,”
A ... Tuesday, May 27 , 20 03 9: 01 AM
11 02. book Page 18 1 Tuesday, May 20 , 20 03 2: 53 PM
Background for Studying Frequency-Based Cable Testing 18 7
or 10 raised...
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 29 ppsx
... Sc
10 BASE2 (18 5 m)
50 Ohm Coax BNC
10 BASE-T (10 0 m)
10 0 Ohm UTP RJ45
10 BASE-TX (10 0 m)
10 0 Ohm UTP RJ45
10 0BASE-FX (22 8_ 4 12 m)
MM Fiber SC
10 00BASE-T (10 0 m)
10 0 Ohm UTP RJ45
10 00BASE-SX (22 0-550 ... explores more details of original Ethernet
(10 BASE-T), Fast Ethernet (10 0BASE-TX and 10 0BASE-FX), Gigabit Ethernet
(10 00BASE-T and 10 00BA...
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