5. Exploring the TCP/IP Link Layer Flashcards Preview

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Flashcards in 5. Exploring the TCP/IP Link Layer Deck (39)
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1
Q

Name the Media, Maximum Segment Length, and Connector: 100BASE-TX

A

TIA Cat5 UTP two-pair | 100 m | ISO 8877 (RJ-45)

2
Q

Name the Media, Maximum Segment Length, and Connector: 100BASE-FX

A

62.5/125-micron multimode fiber | 400 m | Duplex MIC ST

3
Q

Name the Media, Maximum Segment Length, and Connector: 1000BASE-T

A

TIA Cat5e UTP four-pair | 100 m | ISO 8877 (RJ-45)

4
Q

Name the Media, Maximum Segment Length, and Connector: 1000BASE-SX

A

62.5/50-micron multimode fiber | 275 m (62.5 microns), 550 m (50 microns) | Optical Fiber Connector

5
Q

Name the Media, Maximum Segment Length, and Connector: 1000BASE-LX

A

9-micron single-mode fiber | 5-10 km | Optical Fiber Connector

6
Q

Speed and throughput range for UTP Cables

A

10 Mbps to 40 Gbps

7
Q

Maximum length for UTP cables

A

100 m (30 m for 40 Gbps)

8
Q

Max Speed of Cat 5

A

100 Mbps

9
Q

Max Speed of Cat 5e

A

1000 Mbps

10
Q

Max Speed of Cat 6

A

10 Gbps

11
Q

Max Speed of Cat 6a

A

10 Gbps

12
Q

Max Speed of Cat 7

A

10 Gbps

13
Q

Max speed of Cat 8

A

40 Gbps

14
Q

What is PoE

A

Power over Ethernet

15
Q

RJ-45 Wiring Diagram for T-568B

A
  1. Orange Stripe
  2. Orange Solid
  3. Green Stripe
  4. Blue Solid
  5. Blue Stripe
  6. Green Solid
  7. Brown Stripe
    8 Brown Solid
16
Q

RJ-45 Wiring Diagram for T-568A

A
  1. Green Stripe
  2. Green Solid
  3. Orange Stripe
  4. Blue Solid
  5. Blue Stripe
  6. Orange Solid
  7. Brown Stripe
  8. Brown Solid.
17
Q

In what situation would you need a Crossover Cable?

A

When connecting like device to like device.

Switch to Switch, Router to Router, etc.

18
Q

Three components of a Fiber Optic Cable (From Outside to Inside)

A
  1. Buffer (or Coating)
  2. Cladding
  3. Core
19
Q

Two Fiber Types

A
  1. Single-Mode Fiber

2. Multi-Mode Fiber

20
Q

Four Characteristics of Multi-Mode Fiber

A
  1. LED Transmitter
  2. Lower Bandwidth and Speed
  3. Shorter Distances
  4. Less Expensive
21
Q

Four Characteristics of Single-Mode Fiber

A
  1. Laser Transmitter
  2. Higher Bandwidth and Speed
  3. Longer Distances
  4. More Expensive
22
Q

What media uses an LC connector, and in what kind of environment?

A

Fiber Optic Cables, In enterprise equipment and commonly used on SFP Modules.

23
Q

What media uses an SC connector, and in what kind of environment?

A

Fiber Optic Cables, for enterprise equipment

24
Q

What media uses an ST connector, and in what kind of environment?

A

Fiber Optic Cables, for patch panels

25
Q

What media uses an FC connector, and in what kind of environment?

A

Fiber Optic Cables, for patch panels. Used by service providers.

26
Q

What media uses an MT-RJ connector, and in what kind of environment?

A

Fiber Optic Cables. Is a two-fiber connector for enterprise environment

27
Q

What is an SFP

A
Small Form-factor Pluggable module.
It is a hot-pluggable I/O device that plugs into module sockets.
28
Q

Max speed of SFP module

A

1 Gbps

29
Q

Max speed of SFP+ module

A

10 Gbps

30
Q

What technology has replaced cross-over cables

A

auto-MDIX (Automatic medium-dependent interface crossover)

31
Q

List the parts of a typical Ethernet Frame Field

A
  1. Preamble
  2. Destination MAC Address
  3. Source MAC Address
  4. Type
  5. Payload
  6. FCS
32
Q

Three major types of LAN communication

A
  1. Unicast
  2. Broadcast
  3. Multicast
33
Q

Number of bits in a MAC address

A

48

34
Q

Number of Hexadecimal digits in a MAC address

A

12

35
Q

Define OUI

A

Organizationally Unique Identifier.

- The first half of a MAC address. This is unique to a manufacturer and is regulated by the IEEE.

36
Q

What is included in the second half of a MAC address?

A

The 24 bit, vendor assigned, end-station address.

-The portion of the MAC address that uniquely identifies the Ethernet Hardware.

37
Q

Define CAM

A

Content-Addressable Memory.

- Where the MAC address table is stored.

38
Q

What is a I/G Address bit?

A

Individual/Group address bit.
- aka a Broadcast or Multicast bit.
When the least significant bit in the first octet of the MAC address is 1, it indicates that the frame is destined for all or a group of end stations.

39
Q

What is a U/L Address bit?

A

Universally or Locally administered address bit.
- It is the second least significant bit of the first octet of the MAC address. If it is set to 1, it means that the MAC has been modified locally.