Topologies and Cabling

Question 1

Most popular Topology used today

Answer 1

Star-Bus / or Hybrid Topology

Question 2

Where all hosts are connected to all host at the same time and is great for Wireless networks.

Answer 2

Mesh Topology (or Mess)

Question 3

Mesh Topologies have __________ which when a cable breaks between 2 computers, it doesn’t affect the connection between the other machines.

Answer 3

Fault Tolerance

Question 4

Partially Mesh networks use________ for better connectivity

Answer 4

Extenders

Question 5

How is the Electronic Circuit Flow of Frames explained?

Answer 5

Logical Topology

Question 6

What determines which coax cable it is, thickness, and conductor

Answer 6

RG or ( Radio Grade ) rating

Question 7

Resistance is measured in:

Answer 7

OHMS

Question 8

RG-6 is the standard Coax Cable used and works up to:

Answer 8

75 OHMS

Question 9

Standard connector used on RG-6

Answer 9

F-Type

Question 10

What type of connector Pushes on and twist?

Answer 10

BNC

Question 11

What type of cable has 2 inner conductors in a twisted pair instead of 1

Answer 11

Twinaxial / Twinax cable

Question 12

Twinax use what type of connectors

Answer 12

BNC and SFP+

Question 13

Coaxial Advantages

Answer 13

• highly resistance to Electromagnetic Interference (EMI)
• Highly resistance to physical damage

Question 14

Coaxial Disadvantages

Answer 14

• Inflexible or difficult to install
• Expensive

Question 15

Benefits of Twisted Cables :

Answer 15

• reduce Electromagnetic Interference ( EMI )
• reduce Crosstalk
• utilize 4-Pairs

Question 16

UTP has a maximum distance of:

Answer 16

4-pairs
100 meters or 325 ft

Question 17

Ethernet uses what type of connectors:

Answer 17

RJ-45

Question 18

UTP’s have 2 terminating standards which are:

Answer 18

• TIA/EIA 568-A
• TIA/EIA 568-B

Question 19

Which twisted pair used silver foil type wrapping around wires, and is great when heavy electricity is close?

Answer 19

Shielded Twisted Pair ( STP )

Question 20

Cat 5 rating

Answer 20

100 meters distance and Max Bandwidth is 100 Mbps up to 1 Gbps

Question 21

Cat 5e Rating

Answer 21

100 meters distance and Max Bandwidth is 1 Gbps ( also better EMI protection )

Question 22

Cat 6 rating

Answer 22

55 Meters in distance and Max Bandwidth 10 Ggps ( only up to 55 meters with a 10GBASE-T network )

Question 23

Cat 6a rating

Answer 23

100 meters in distance and Max Bandwidth is 10 Gbps ( better EMI and crosstalk protection )

Question 24

Cat 7 Rating

Answer 24

100 meters in distance and Max Bandwidth 10+ Gbps

Question 25

Cat 8 Rating

Answer 25

100 meters in distance and Max Bandwidth is 25 Gbps ( 40 Gbps at 30 meters, 40GBASE-T network )

Question 26

UTP Ratings define the:

Answer 26

- Speed - length of cables

Question 27

Fiber optic Cables are made up of?

Answer 27

- Core - Cladding - Jacket

Question 28

In fiber optics, this always has 2 connectors and are used on a Switch or Router

Answer 28

Fiber Card

Question 29

What are the 2 modes of Fiber Optics?

Answer 29

- Single - Multimode

Question 30

Multimode uses what type of signal?

Answer 30

Led signals

Question 31

Single mode uses what type of signal?

Answer 31

Laser signal, thinner fiber, cladding is tighter, long distance

Question 32

Single mode color is:

Answer 32

Almost always yellow

Question 33

Multimode color is:

Answer 33

Almost always orange

Question 34

Fiber Duplex Cables has how many cables

Answer 34

2

Question 35

oldest round fiber connectors are known as:

Answer 35

ST connectors / longer light conductor and twists in

Question 36

oldest square fiber connectors are known as:

Answer 36

SC connectors / pushes in

Question 37

another older round fiber connector is known as:

Answer 37

FC connectors / short light conductor and screws in

Question 38

Newer square Fiber connector and is an actual double connector

Answer 38

LC connector and is beige

Question 39

Newer single fiber connector ( has both fibers into the one connector:

Answer 39

MT-RJ connector and is black

Question 40

PC ( Physical Contact ) polishing looks like

Answer 40

Square but slightly round edges

Question 41

UPC ( Ultra Physical Contact ) polishing looks like

Answer 41

basically rounded edges / has less light loss than PC / high quality

Question 42

APC 9 polishing looks like

Answer 42

Has a 7 degree angle / High quality

Question 43

What are the 3 fire ratings:

Answer 43

- Plenum-Rated ( space between ceiling and roof / concrete and floor *Higher rating* / 2 to 3 time more expensive - Riser-Rated ( goes between floors ) - PVC or non-plenum / lowest, no fire rating, and is non-plenum

Question 44

2 Topologies are:

Answer 44

Physical - how a network is laid out. Logical - Explains how data is sent between them.

Question 45

What is the oldest Topology where computers share the same bandwidth and utilize "Drop Downs" or one single trunk

Answer 45

Bus Topology

Question 46

IBM created - all computers are connected basically in a circle:

Answer 46

Ring Topology

Question 47

Computers are plugged into a hub / switch in the center of the computers

Answer 47

Star Topology