(Chapter 23) Mike Meyers' Comptia A+ Certification 7Th Edition [Local Area Networking]

Front 1

a PC on the network that requests information or services is considered what?

Back 1

Client

Front 2

What device on the PC helps define or label it on the network?

Back 2

Network Interface Card (NIC)

Front 3

NIC cards help break files into small data units across the network called what?

Back 3

Packets

Front 4

a PC on the network that provides information or services is considered what?

Back 4

Server

Front 5

What word describes the way that computers connect to each other in a network

Back 5

Topology

Front 6

What are the 4 most common network topologies?

Back 6

1. Bus
2. Ring
3. Star
4. Mesh

Front 7

A Network topology where all computers connect to the network via a main line is called what?

Back 7

Bus

Front 8

What type of network topology has all the computers on the network
attach to a central ring of cable

Back 8

Ring

Front 9

where the computers on the network
connect to a central wiring point (usually called a hub);

Back 9

Star

Front 10

What type of network topology gives each computer a dedicated line to every other computer?

Back 10

Mesh

Front 11

Technologies such as star bus or star ring, that combine aspects of the other topologies to capitalize on their strengths and minimize their weakness are called what?

Back 11

Hybrid technologies

Front 12

The way a network is laid out on paper, with nice straight lines and boxes is called its what?

Back 12

Logical Topology

Front 13

What describes the typically messy computer network, with
cables running diagonally through the ceiling space or snaking their way through walls called?

Back 13

Physical Topology

Front 14

Every NIC in the world has a built-in identifier, a binary address unique to that single network card, called what?

Back 14

media access control
(MAC) address

Front 15

What 4 things do packets contain?

Back 15

1. Recipient MAC Address
2. Sender MAC Address
3. Data
4. Data Check

Front 16

What is performed to verify if the data was received in good order by the receiving
network card?

Back 16

Cyclic Redundancy Check (CRC)

Front 17

What are the 2 types of cables do the Ethernet standard support?

Back 17

1. UTP Unshielded Twisted Pair
2. Fiber Optic

Front 18

What are the 3 speeds that Ethernet run at?

Back 18

1. 10 Mbps
2. 100 Mbps
3. 1000 Mbps

Front 19

What are the 3 technologies that Ethernet networks employ?

Back 19

1. 10BaseT
2. 100BaseT
3. 1000BaseT

Front 20

What is the Data speed for a CAT3 line?

Back 20

Up to 16 Mbps

Front 21

What is the data speed for a CAT5 line?

Back 21

Up to 100 Mbps

Front 22

What is the data speed for a CAT6 line?

Back 22

Up to 10Gbps

Front 23

What is the data speed for a CAT2 line?

Back 23

up to 4 Mbps

Front 24

What is the data speed for a CAT4 line?

Back 24

up to 20 Mbps

Front 25

What is the data speed for a CAT5e line?

Back 25

up to 1 Gbps

Front 26

What kind of cabling wires surrounded
by shielding to protect them from EMI, or electromagnetic interference?

Back 26

(STP) Shielded Twisted Pair

Front 27

10BaseT runs on what 3 cable types?

Back 27

CAT3
CAT4
CAT5

Front 28

100BaseT requires what cable type to run on?

Back 28

CAT5

Front 29

1000BaseT need all four pairs of wires in what cable types?

Back 29

CAT5e
CAT6

Front 30

The space in the ceiling, under the floors, and in the walls through which
cable runs is called what?

Back 30

Plenum

Front 31

What does a solid green NIC light indicate?

Back 31

connectivity

Front 32

What does no green NIC light indicate?

Back 32

no connectivity

Front 33

What does a flashing amber NIC light indicate?

Back 33

There are collisions on the network

Front 34

What does a flashing green NIC light indicate?

Back 34

There is intermittent connectivity

Front 35

What type of connection is this?

Back 35

SC Fiber

Front 36

What type of connection is this?

Back 36

ST Fiber

Front 37

What type of connector is this?

Back 37

MT-RJ Fiber Connector

Front 38

What type of connection is this?

Back 38

LC fiber connection

Front 39

Name some half duplex fiber connections

Back 39

ST, SC & LC

Front 40

What is probably the most common full duplex fiber connection?

Back 40

MT-RJ

Front 41

What are the 3 basic organizational groups for a Network Operating System?

Back 41

1. Client/Server
2. Peer to Peer
3. Domain Based

Front 42

How many Windows users can concurrently access a shared file or folder?

Back 42

10 PC's

Front 43

Microsoft recommends that
peer-to-peer workgroups not exceed how many PC's

Back 43

15 PC's

Front 44

What type of network enables any or all of the machines on the network to act as a server?

Back 44

Peer to Peer Network

Front 45

What has a database that holds a list of all users and passwords in a domain?

Back 45

Domain Controllers

Front 46

To have network connectivity, you need to have three things in place. What are they?

Back 46

1. NIC
2. Protocol
3. Network Client

Front 47

What is the address range for class A networks?

Back 47

1-126

Front 48

What is the address range for class B networks?

Back 48

128-191

Front 49

What is the address range for class C networks?

Back 49

192-223

Front 50

A fixed predetermined number that defines the function or session type is called what?

Back 50

Destination port

Front 51

short-lived transport protocol port for (IP) communications allocated automatically from a predefined range by the TCP/IP software is known as what?

Back 51

Ephemeral Port

Front 52

A permanent port number usually assigned to a server is known as what?

Back 52

Non Ephemeral Port

Front 53

Your host PC needs to know the address of the router in order to send packets outside of its LAN. What is this router called?

Back 53

Default Gateway

Front 54

Special Servers that keep databases of IP addresses and their cooresponding names are called what?

Back 54

(DNS) Domain Name Service

Front 55

What enables you to create a pool of IP addreses that are given temporarily to machines on a network?

Back 55

DHCP

Front 56

What are the 4 most common cmd prompt tools used to test TCP/IP?

Back 56

1. PING
2. IPCONFIG
3. NSLOOKUP
4. TRACERT

Front 57

What cmd tool enables you to determine exactly what information the DNS server is giving you about a specific host name?

Back 57

NSLOOKUP

Front 58

What cmd utility shows the route that a packet takes to get to its destination?

Back 58

TRACERT

Front 59

The use of backslashes in fornt of the sharing system's name and a single backslash in front of the shared resources name is called what?

Back 59

(UNC) Universal Naming Convention

Front 60

what CMD tool allows you to view a network quickly?

Back 60

NET VIEW

Front 61

What is layer 1 of the OSI model?

Back 61

Physical

Front 62

What is layer 2 of the OSI model?

Back 62

Data Link

Front 63

What is layer 3 of the OSI model?

Back 63

Network

Front 64

What is layer 4 of the OSI model?

Back 64

Transport

Front 65

What is layer 5 of the OSI model?

Back 65

Session

Front 66

What is layer 6 of the OSI model?

Back 66

Presentation

Front 67

What is Layer 7 of the OSI model?

Back 67

Application