Layer 1/Physical

Question 1

SFP

Answer 1

Small Form Factor Pluggable- transceiver
using LC form factor type

Question 2

SFP+

Answer 2

Enhanced SFP- supports 10 GbE

Question 3

QSFP/QSFP+

Answer 3

Quad small form-factor pluggable

Question 4

Repeater

Answer 4

boots signal at some point along the cable run, overcoming distance limitation.

Question 5

Hub

Answer 5

Basic intermediary multiport repeater. Any incoming transmission is sent out ALL connected ports.

Question 6

MDI

Answer 6

medium dependent system - end system interface connected to a hub.

Question 7

MDI-X

Answer 7

MDI crossover - interface on the hub

Question 8

Transceiver/Media converter

Answer 8

Converts physical media from one kind to another.
ex: fiber to copper