D316 > Section 5 > Flashcards

Section 5 Flashcards

(39 cards)

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1
Q

What is a network type?

A

A categorization of the area over which the parts of the network are managed

Understanding network types is essential for installation and support procedures.

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2
Q

What is a LAN (Local Area Network)?

A
  • Network in one location
  • Usually Ethernet (IEEE 802.3)
  • Owned/managed by the organization

Common Ethernet speeds include 100BASE-T, 1000BASE-T, and 10GBASE-T.

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3
Q

What does WAN stand for?

A

Wide Area Network

Connects multiple LANs over long distances, using ISP infrastructure.

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4
Q

What is a WLAN?

A

Wireless Local Area Network

A wireless version of a LAN that uses Wi-Fi (IEEE 802.11).

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5
Q

What is a PAN?

A

Personal Area Network

Very short range, typically involving Bluetooth devices.

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6
Q

What does MAN stand for?

A

Metropolitan Area Network

Covers a city or metro area, larger than a LAN but smaller than a WAN.

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7
Q

What is a SAN?

A

Storage Area Network

A dedicated network just for storage, used by servers.

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8
Q

What is a SOHO Network?

A
  • Designed for few users
  • Uses one all-in-one device (SOHO/broadband router)

Common in home networks, small offices, and startups.

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9
Q

What is an Enterprise Network?

A
  • Designed for many users
  • Each function uses a separate device

Built for scalability, reliability, and security.

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10
Q

What is a Server?

A

A computer that provides services or resources

Examples include file servers, web servers, email servers, and database servers.

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11
Q

What is a Client?

A

A computer used by end users that requests services from servers

Examples include desktop PCs, laptops, and phones.

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12
Q

What is a Datacenter?

A

An entire facility dedicated to servers

Built specifically to run critical systems 24/7.

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13
Q

What is a NIC (Network Interface Card)?

A

The hardware that lets your computer connect to a network

Most modern PCs have one built into the motherboard.

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14
Q

What does PoE stand for?

A

Power Over Ethernet

Sends both data and electrical power over a single Ethernet cable.

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15
Q

What is an Unmanaged Switch?

A
  • Plug-and-play
  • No configuration needed

Common in small networks, typically 4-8 ports.

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16
Q

What is a Managed Switch?

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A
  • Configurable by admin
  • Supports security settings and advanced features

Typically rack-mounted and used in larger workgroups.

17
Q

What is the maximum recommended length for a UTP cable?

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A

100 meters (328 ft)

Signal weakens over distance (attenuation).

18
Q

What is the purpose of a Patch Panel?

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A
  • Makes network changes easier
  • Improves organization and maintenance

Used in office structured cabling.

19
Q

What is the function of a Router?

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A

Connects multiple networks together

Responsible for forwarding data between networks.

20
Q

What is the difference between Switches and Hubs?

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A

Switches use intelligent forwarding (MAC-based)

Better performance and less network congestion than hubs.

21
Q

What is the IEEE 802.3af standard?

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A

PoE / Type 1, up to 15.4 W max

Used for basic devices like VoIP phones.

22
Q

What type of cable transfers data using light?

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A

Fiber optic cable

Used for faster and longer distance data transmission.

23
Q

What is the OUI in a MAC address?

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A

First 24 bits that identify the manufacturer

Assigned by IEEE.

24
Q

What is the maximum recommended distance for most Ethernet over copper?

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A

100 m (328 ft)

This distance is crucial for maintaining signal integrity in Ethernet connections.

25
Name the **types of Cat cables** and their maximum speeds.
* Cat 5: 100 Mbps * Cat 5e: 1 Gbps * Cat 6: 1 Gbps @ 100 m, 10 Gbps @ 55 m * Cat 6A: 10 Gbps @ 100 m * Cat 7: 10 Gbps @ 100 m * Cat 8: 25-40 Gbps ## Footnote Each type of Cat cable has specific performance characteristics and applications.
26
What is the **function of RJ45 connectors** in Ethernet twisted-pair cables?
Used to connect Ethernet cables ## Footnote RJ45 connectors are also known as 8P8C, indicating 8 positions and 8 contacts.
27
Fill in the blank: The **termination standards** for Ethernet cables are __________ and __________.
T568A, T568B ## Footnote These standards dictate the pin configurations for RJ45 connectors.
28
What is the **max length** per patch cord?
5 m ## Footnote Patch cords are typically used for short connections in networking.
29
What are the **two types of cable termination**?
* Patch Cords * Permanent Cable ## Footnote Each type has different characteristics and uses in network installations.
30
What is the purpose of a **cable tester**?
Tests connectivity and pinout of cables ## Footnote It helps identify issues such as damaged wires or incorrect pin configurations.
31
True or false: **Plenum-rated cable** is required in plenum spaces.
TRUE ## Footnote Plenum-rated cables are designed to be fire-retardant and produce low smoke.
32
What are the **characteristics of plenum cable**?
* Fire-retardant * Self-extinguishing * Produces low smoke when burned ## Footnote These properties make plenum cables suitable for areas with high airflow.
33
What is the **core structure** of fiber optic cables?
* Core: ultra-thin glass * Cladding: surrounds core * Buffer: protective coating * Jacket: outer protective layer ## Footnote This structure allows fiber optic cables to transmit data using light pulses.
34
What are the **two types of fiber optic cables**?
* Single-Mode Fiber (SMF) * Multimode Fiber (MMF) ## Footnote Each type has different core sizes and applications in networking.
35
What is the **function of a network TAP**?
Copies network traffic from a cable ## Footnote It is used for monitoring and troubleshooting network traffic.
36
What is the **difference between passive TAP and active TAP**?
* Passive TAP: No power required, copies all traffic * Active TAP: Powered, regenerates signal ## Footnote Active TAPs can become a single point of failure if power is lost.
37
What is the **structure of coaxial cable**?
* Core conductor * Dielectric insulation * Shielding * Outer jacket ## Footnote This design helps reduce interference and protects the signal.
38
What are common **uses of coaxial cable** today?
* CCTV * Cable TV * Broadband cable modems ## Footnote Coaxial cables are no longer used for modern Ethernet LANs.
39
What is the **maximum speed** of Cat 8 cables?
25-40 Gbps ## Footnote Cat 8 cables are designed for short distances and high-speed applications.
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