Module 1: Networking Today

Telecom Academy

Introduction to Networks v7.0

(ITN)
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Mod de desfășurare - Curs CCNA 1
Teorie + Laborator
CCNP ENCOR CCNA 1: 40% + 60%
CCNP ENARSI 18 ședințe CCNA 2: 30% + 70%
de 4 ore CCNA 3: 30% + 70%

CCNA 3
Enterprise Networking, Security, CyberOPS
and Automation

CCNA 2
Switching, Routing, and Wireless
Essentials Dev Net
Python
Fundamentals
CCNA 1 17 ședințe de 2-3 ore
Introducing to Networks

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Diplomă

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Certificarea CCNA

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Certificarea CCNA

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Cisco Certifications

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Certificarea CCNA

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Istoria Internetului

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Internet Connections
Home and Small Office Internet Connections
Connectio Description
n
Cable high bandwidth, always on, internet
offered by cable television service
providers.

DSL high bandwidth, always on, internet

connection that runs over a
telephone line.
Cellular uses a cell phone network to
connect to the internet.

Satellite major benefit to rural areas without

Internet Service Providers.
Dial-up an inexpensive, low bandwidth
telephone option using a modem.

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Internet Connections
Businesses Internet Connections
Corporate business connections may Type of Description
Connectio
require:
n
• higher bandwidth Dedicated These are reserved circuits within
• dedicated connections Leased Line the service provider’s network that
connect distant offices with private
• managed services voice and/or data networking.

Ethernet This extends LAN access technology

WAN into the WAN.

DSL Business DSL is available in various

formats including Symmetric Digital
Subscriber Lines (SDSL).

Satellite This can provide a connection when

a wired solution is not available.
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Internet Connections
The Converging Network (Cont.)
Converged data networks carry
multiple services on one link including:
• data
• voice
• video
Converged networks can deliver data,
voice, and video over the same
network infrastructure. The network
infrastructure uses the same set of
rules and standards.

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Laborator Troubleshoot

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Nu merge netul?! De ce…? Putem furniza mai multe informații!

• Unelte: ping, traceroute

• Comenzi vizualizare: ipconfig, ipconfig /all
• Am greșit IP Address
• Am greșit DG
• Am greșit DNS
• Chiar și SM greșit poate duce, în absența
ARP Proxy la lipsă de conexiune.
• Verificari cu IP-uri din subneturi diferite în
același LAN.
• Configurare IPv6

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Laborator Packet Tracer

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Învățăm să folosim Packet Tracerul!

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Tema curs 1 Packet Tracer

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Trimiteți tema până la ședința 3

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Router Access Point

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Adresare IP
10 . 5 . 1 .239
255.255. 0 . 0
IP uri in total : 10.5.0.0 – 10.5.255.255
IP uri folosibile: 10.5.0.1 – 10.5.255.254

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Adresare IP
192.168. 0 .100
255.255. 255 . 0
IP uri in total : 192.168.0.0 – 192.168.0.255
IP uri folosibile: 192.168.0.1 – 192.168.0.254

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SOHO Router AP
Router+Switch+Access Point

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SOHO Router AP
Router+Switch+Access Point

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Routerul Separa Retelele si Ofera Servicii

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Routerul Separa Retelele si Ofera Servicii

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Scenariul 1. Home Office

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Scenariul 2. Small Office

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Laborator Configurare Scenariul 2
Access Point

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Configurare Scenariu AP

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Transformări Binar-Zecimal-Hexazecimal

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Transformări Binar-Zecimal-Hexazecimal
1. Binar > Zecimal

___ ___ ___ ___ ___ ___ ___ ___

2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

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Transformări Binar-Zecimal-Hexazecimal
1. Binar > Zecimal
1 1 1 0 0 0 1 1
___ ___ ___ ___ ___ ___ ___ ___
2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

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Transformări Binar-Zecimal-Hexazecimal
1. Binar > Zecimal
1 1 1 0 0 0 1 1
___ ___ ___ ___ ___ ___ ___ ___
2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

227

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Transformări Binar-Zecimal-Hexazecimal
1. Binar > Zecimal
0 1 0 1 0 1 1 0
___ ___ ___ ___ ___ ___ ___ ___
2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

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Transformări Binar-Zecimal-Hexazecimal
1. Binar > Zecimal
0 1 0 1 0 1 1 0
___ ___ ___ ___ ___ ___ ___ ___
2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

86

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Transformări Binar-Zecimal-Hexazecimal
1. Binar > Zecimal
1 0 1 0 0 1 0 1
___ ___ ___ ___ ___ ___ ___ ___
2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

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Transformări Binar-Zecimal-Hexazecimal
1. Binar > Zecimal
1 0 1 0 0 1 0 1
___ ___ ___ ___ ___ ___ ___ ___
2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

165

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Transformări Binar-Zecimal-Hexazecimal
2. Binar < Zecimal
201 – 128 = 73

1
___ ___ ___ ___ ___ ___ ___ ___
2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

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Transformări Binar-Zecimal-Hexazecimal
2. Binar < Zecimal
201-128 = 73-64=9

1 1
___ ___ ___ ___ ___ ___ ___ ___
2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

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Transformări Binar-Zecimal-Hexazecimal
2. Binar < Zecimal
201-128 = 73-64=9

1 1 0 0
___ ___ ___ ___ ___ ___ ___ ___
2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

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Transformări Binar-Zecimal-Hexazecimal
2. Binar < Zecimal
201-128 = 73-64=9-8 =1-1

1 1 0 0 1 0 0 1
___ ___ ___ ___ ___ ___ ___ ___
2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

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Transformări Binar-Zecimal-Hexazecimal
2. Binar < Zecimal
150=128+16+4+2

___ ___ ___ ___ ___ ___ ___ ___

2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

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Transformări Binar-Zecimal-Hexazecimal
2. Binar < Zecimal
150=128+16+4+2

1 0 0 1 0 1 1 0
___ ___ ___ ___ ___ ___ ___ ___
2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1

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 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
3. Binar > Hexazecimal 2 2 0010
3 3 0011
0101.10112 4 4 0100
5 5 0101
6 6 0110
7 7 0111
8 8 1000
9 9 1001
10 A 1010
11 B 1011
12 C 1100
13 D 1101
14 E 1110
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 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
3. Binar > Hexazecimal 2 2 0010
3 3 0011
0101.10112 4 4 0100
5 5 5 0101
6 6 0110
7 7 0111
8 8 1000
9 9 1001
10 A 1010
11 B 1011
12 C 1100
13 D 1101
14 E 1110
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 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
3. Binar > Hexazecimal 2 2 0010
3 3 0011
0101.10112 4 4 0100
5 B 16 5 5 0101
6 6 0110
7 7 0111
8 8 1000
9 9 1001
10 A 1010
11 B 1011
12 C 1100
13 D 1101
14 E 1110
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 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
3. Binar > Hexazecimal 2 2 0010
3 3 0011
0101.10112 4 4 0100
5 B 16 5 5 0101
6 6 0110
4. Binar < Hexazecimal
7 7 0111
8 8 1000
9 9 1001
10 A 1010
11 B 1011
12 C 1100
13 D 1101
14 E 1110
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 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
3. Binar > Hexazecimal 2 2 0010
3 3 0011
0101.10112 4 4 0100
5 B 16 5 5 0101
6 6 0110
4. Binar < Hexazecimal
7 7 0111

A 6 16 8 8 1000
9 9 1001
10 A 1010
11 B 1011
12 C 1100
13 D 1101
14 E 1110
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15 F 1111
 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
3. Binar > Hexazecimal 2 2 0010
3 3 0011
0101.10112 4 4 0100
5 B 16 5 5 0101
6 6 0110
4. Binar < Hexazecimal
7 7 0111

A 6 16 8 8 1000

1010. 9 9 1001
10 A 1010
11 B 1011
12 C 1100
13 D 1101
14 E 1110
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 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
3. Binar > Hexazecimal 2 2 0010
3 3 0011
0101.10112 4 4 0100
5 B 16 5 5 0101
6 6 0110
4. Binar < Hexazecimal
7 7 0111

A 6 16 8 8 1000

1010.01102 9 9 1001
10 A 1010
11 B 1011
12 C 1100
13 D 1101
14 E 1110
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 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
5. Zecimal > Binar > Hexazecimal 2 2 0010
3 3 0011
100 4 4 0100
5 5 0101
6 6 0110
7 7 0111
8 8 1000
9 9 1001
10 A 1010
11 B 1011
12 C 1100
13 D 1101
14 E 1110
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 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
5. Zecimal > Binar > Hexazecimal 2 2 0010
3 3 0011
100=64+32+4 4 4 0100
5 5 0101
6 6 0110
7 7 0111
8 8 1000
9 9 1001
10 A 1010
11 B 1011
12 C 1100
13 D 1101
14 E 1110
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15 F 1111
 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
5. Zecimal > Binar > Hexazecimal 2 2 0010
3 3 0011
100=64+32+4 4 4 0100
0110.01002
5 5 0101
6 6 0110
7 7 0111
8 8 1000
9 9 1001
10 A 1010
11 B 1011
12 C 1100
13 D 1101
14 E 1110
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15 F 1111
 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
5. Zecimal > Binar > Hexazecimal 2 2 0010
3 3 0011
100=64+32+4 4 4 0100
0110.01002
5 5 0101
6 4 16
6 6 0110
7 7 0111
8 8 1000
9 9 1001
10 A 1010
11 B 1011
12 C 1100
13 D 1101
14 E 1110
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15 F 1111
 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
5. Zecimal > Binar > Hexazecimal 2 2 0010
3 3 0011
100=64+32+4 4 4 0100
0110.01002
5 5 0101
6 4 16
6 6 0110
7 7 0111

6. Zecimal < Binar < Hexazecimal 8 8 1000

9 9 1001
C 4 16 10 A 1010
11 B 1011
12 C 1100
13 D 1101
14 E 1110
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15 F 1111
 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
5. Zecimal > Binar > Hexazecimal 2 2 0010
3 3 0011
100=64+32+4 4 4 0100
0110.01002
5 5 0101
6 4 16
6 6 0110
7 7 0111

6. Zecimal < Binar < Hexazecimal 8 8 1000

9 9 1001
C 4 16 10 A 1010
1100.01002 11 B 1011
12 C 1100
13 D 1101
14 E 1110
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15 F 1111
 Deci Hexa Binar
0 0 0000
Transformări Binar-Zecimal-Hexazecimal
1 1 0001
5. Zecimal > Binar > Hexazecimal 2 2 0010
3 3 0011
100=64+32+4 4 4 0100
0110.01002
5 5 0101
6 4 16
6 6 0110
7 7 0111

6. Zecimal < Binar < Hexazecimal 8 8 1000

9 9 1001
C 4 16 10 A 1010
1100.01002 11 B 1011
128+64+42 12 C 1100
13 D 1101
14 E 1110
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15 F 1111