Networking Basics

Question 1

Provides an ethernet connection to the network

Answer 1

Network Interface Card (NIC)

Question 2

Has several different ports between 4 and 48 ports

Answer 2

Hub

Question 3

Smart hubs that remember the ports that are connected to them
-can have multiple people talking at one time

Answer 3

Switches

Question 4

Performs its functions without requiring a configuration

Answer 4

Unmanaged Switch

Question 5

Performs its functions with configuration

Answer 5

Managed Switch

Question 6

Device that allows wireless devices to connect to a wired network

Answer 6

Wireless Access Point

Question 7

Used to connect different networks together

Answer 7

Router

Question 8

▪ Scans and blocks traffic that enters or leaves a network
● Unified threat management (UTM) contains firewall features

Answer 8

Firewall

Question 9

Device that allows cable network jacks from a wall into a central area

Answer 9

Patch Panel

Question 10

Supplies electrical power from a switch port over an ordinary data cable to a power device

Answer 10

Power Over Ethernet (PoE)

Question 11

Plugs into a wall outlet to get power

Answer 11

Power Injector

Question 12

Device that translates coaxial cable signals into radio frequency waves

Answer 12

Cable Modem

Question 13

Device that translates coaxial cable signals into phone lines

Answer 13

Digital Subscriber Line (DSL modem)

Question 14

Terminates fiber connection

Answer 14

Optical Network Terminal (ONT)

Question 15

Way of virtualizing the network hardware

Answer 15

Software Defined Networking (SDN)

Question 16

Smallest type of wired or wireless network and covers
the least amount of area

Answer 16

Personal Area Network (PAN)

Question 17

Connects components within a limited distance
● Up to a few hundred feet

Answer 17

Local Area Network (LAN)

Question 18

Connects LANs that are building-centric across a university, industrial
park, or business park
● Up to a few miles

Answer 18

Campus Area Network (CAN)

Question 19

Connects scattered locations across a city or metro area
● Up to about 25 miles

Answer 19

Metropolitan Area Network (MAN)

Question 20

Connects geographically disparate internal networks and consists of
leased lines or VPNs
● Worldwide coverage

Answer 20

Wide Area Network (WAN)

Question 21

A wireless distribution method for two or more devices that creates a local area network using wireless frequencies

Answer 21

Wireless Local Area Network (WLAN)

Question 22

Provisions access to configurable pools of storage devices that can be used by application servers

Answer 22

Storage Area Network (SAN)

Question 23

Uses a centralized server or simply provides clients access to local devices like printers, file storage, or the Internet

Answer 23

Small Office, Home Office (SoHo) LAN

Question 24

A global network of appliances and personal devices that have been equipped with sensors, software, and network connectivity to report state and configuration
● Segregation of these devices is critically important for the business network’s security

Answer 24

Internet of Things (IoT)

Question 25

2 types of twisted pair cables -operate about the same

Answer 25

Shielded twisted pair (STP) and Unshielded twisted pair (UTP)

Question 26

Keep cable runs under ___ meters from the IDF to the office

Answer 26

70

Question 27

Carries voice or data which specifies the standards a device needs to meet to connect to the phone or data network

Answer 27

Registered Jack (RJ)

Question 28

The theoretical measure of how much data could be transferred from a source to its destination

Answer 28

Bandwidth

Question 29

The actual measure of how much data is successfully transferred from a source to its destination

Answer 29

Throughput

Question 30

A designation given to a particular category that provides the ability to understand the bandwidth and the cable type to be used

Answer 30

Ethernet Standard

Question 31

Contains the exact same pinouts on both ends of the cable

Answer 31

Straight-Through Cable (Patch Cable)

Question 32

The standard that's preferred when wiring jacks inside of buildings

Answer 32

568b

Question 33

The ability to take send and receive pins from one cable and swap those on the other end

Answer 33

Crossover Cable

Question 34

A medium dependent interface crossover (MDIX) is an automated way to electronically simulate using a crossover cable

Answer 34

MDIX

Question 35

A cable rating that specifies that a cable has a stronger sheathing and jacket that can withstand more extreme weather conditions ● A plenum rated cable is more fire resistant and it minimizes the amount of dangerous fumes that are released

Answer 35

Direct Burial

Question 36

Uses light from an LED or laser to transmit information through a thin glass fiber ● Greater usable range ● Greater data capacity

Answer 36

Fiber Optic Cable

Question 37

What can become a limitation to optical cabling?

Answer 37

Switches, routers, and end-user devices

Question 38

Used for longer distances and has smaller core size which allows for only a single mode of travel for the light signal ● SMF’s core size is 8.3-10µ in diameter -cover longer distances -more expensive

Answer 38

Single Mode Fiber (SMF)

Question 39

Used for shorter distances and has larger core size which allows for multiple modes of travel for the light signal ● MMF’s core size is 50-100µ in diameter ● Up to 2 kilometers or less (covers shorter distances) -less expensive

Answer 39

Multimode Fiber (MMF)

Question 40

One of the oldest categories of copper media that is still used in networking today -BNC and F-type connectors

Answer 40

Coaxial Cable (Coax)

Question 41

Like coaxial cable but uses two inner conductors to carry the data instead of just one

Answer 41

Twinaxial Cable

Question 42

Used to cut a piece of cable off a larger spool or run of cable

Answer 42

Snip/Cutter

Question 43

Used to strip off the end of the cable and prepare it for attachment to a connector

Answer 43

Cable Stripper

Question 44

Used to attach the connector to the end of the cable

Answer 44

Cable Crimper

Question 45

Works like a cable tester, but specifically for twisted pair ethernet cables

Answer 45

Wire Mapping Tool

Question 46

a situation in which one or more pins of a cable connector are not connected to their corresponding pins on the other end of the cable

Answer 46

Open pair

Question 47

There is a short between two wires in the same pair

Answer 47

Shorted pairs

Question 48

There is short between two or more wires in different pairs.

Answer 48

Short between pairs / Inter-pair short

Question 49

a situation where the polarity of one wire pair is reversed at one end of the link

Answer 49

Reversed pairs

Question 50

occurs when the two conductors in a pair are connected to the position for a different pair at the other end

Answer 50

Crossed pairs

Question 51

where one leg of a pair is terminated in a connector on the pin of a different pair.

Answer 51

split pair

Question 52

Used to determine a cable’s category or data throughput

Answer 52

Cable Certifier

Question 53

Terminates the wires and strips off excess installation and extra wires that are no longer needed

Answer 53

Punch-Down Block

Question 54

Used to generate a tone on one end of the connection and use the probe to audibly detect the wire connected on the other side

Answer 54

Tone Generator/Toner Probe

Question 55

Facilitates the testing of simple networking issues

Answer 55

Loopback Adapter/Device

Question 56

Connects directly to the cable infrastructure and splits or copies those packets for analysis, security, or general network management

Answer 56

Tap

Question 57

Ensures proper coverage and prevents overlap between wireless access point coverage zones and channels

Answer 57

Wireless Analyzer