Mis 365 Exam 3

Front 1

DHCP stands for....?

Back 1

Dynamic Host Configuration Protocol

Front 2

What the theoretical transmission speed achieved on a medium?

Back 2

Bandwidth

Front 3

____ is the actual transmission speed experienced?

Back 3

Throughput

Front 4

Dynamic Host Configuration Protocol (DHCP) does what?

Back 4

distributes temporary IP address to computers

Front 5

How does Dynamic Host configuration Protocol (DHCP) work? (2 points)

Back 5

Loans out IP addresses while computer is connected to LAN

When computer is disconnected, IP address is made available to others

Front 6

DNS Stands for....?

Back 6

Domain Name System

Front 7

What does Domain Name System (DNS) Do?

Back 7

Converts user-friendly names into public IP address

Front 8

How many bits are in a byte?

Back 8

8 bits in a byte

Front 9

how many bytes are in a kilobyte?

Back 9

1024 bytes (Remember: Not 1000 bytes!)

Front 10

How many bits are in a kilobyte?

Back 10

8,192 bits (1024 bytes x 8)

Front 11

Name all the data sizes in order and the number of bytes in each.

Back 11

8 bits=1 bytes
1 kilobyte (KB) =1024 bytes
1 megabyte (MB)= 1,048,576 bytes

Front 12

What types of devices use byte storage?

Back 12

Rand access memory (RAM), Hard disk drive space (HDD), CDs, DVDs, and MP3 Players

Front 13

MUA

Back 13

(Mail User Client) the client program like MS Outlok used to access mail

Front 14

POP

Back 14

(Post Office Protocol) the protocol an MUA uses to retrieve mail from the server

Front 15

IMAP

Back 15

(Internet Message Access Protocol) alternative to POP3 that is more feature rich

Front 16

SMTP

Back 16

(Simple Mail Transfer Protocol) the standard for email message transfer

Front 17

MTA

Back 17

(Mail Transfer Agent) forwards mail when the destination is not local

Front 18

MDA

Back 18

(Mail Delivery Agent) deliver email to local email account mailbox

Front 19

MIME

Back 19

(Multipurpose Internet Mail Extensions) an internet standard that extends the format of email to support text in character sets other than ASCII, non-text attachments, message bodies with multiple parts, and header information in non-ASCII character sets

Front 20

FTP

Back 20

(File Transfer Protocol) used to upload and download files from servers

Front 21

DHCP

Back 21

(Dynamic Host Configuration Protocol) distributes temporary IP addresses to computers while they are connected to LAN

Front 22

Socket

Back 22

the IP Address and Port Number

Front 23

Circuit Switching

Back 23

provides dedicated point-to-point connection

Front 24

Packet Switching

Back 24

breaks transmissions into messages ( or packets, frames)

Front 25

Multiplexing

Back 25

money saving way to transfer data where packets from many transmissions are mixed (multiplexed) over each transmission line so that users only pay for the line capacity that they use

Front 26

GUI

Back 26

(Graphical User Interface)

Front 27

http

Back 27

(hypertext transfer protocol) allows browsers and servers to communicate

Front 28

IP Address

Back 28

(Internet Protocol) unique address that identifies any device connected to the internet

Front 29

DNS

Back 29

(Domain Name System) hierarchical system of name servers that map host-domain name combinations to IP addresses

Front 30

URL

Back 30

(Uniform Resource Locator) Document's Web Address

Front 31

"Resolve" a domain name

Back 31

Find the corresponding IP address to a domain name

Front 32

subnet mask

Back 32

divides the network and the host ip addresses

Front 33

VoIP

Back 33

(Voice over IP) allows voice and phone systems to become an application traveling over the internet

Front 34

GSM

Back 34

(Global System for Mobil Communications) 3G standards used by At&t, the most used around the world

Front 35

CDMA

Back 35

(Code Division Multiple Access) 3g standard used by Verizon, limited by its inability to supposed voice and data communications at the same time

Front 36

net neutrality

Back 36

the principle that all internet traffic should be treated equally

Front 37

LAN

Back 37

(Local Area Connection) a computer network that connects computers in a limited area such as home, school, or office building

Front 38

NIC

Back 38

(Network Interface Card)

Front 39

Firewall

Back 39

Computer device that prevents unauthorized network access

Front 40

VPN

Back 40

(Virtual Private Network) uses internet to or private network to create appearance of point-to-point, secure, and encripted connections

Front 41

workstations

Back 41

"Beefed-up" computers that can run computer intensive applications such as Computer Aided Design (CAD) or Game Development

Front 42

BIOS

Back 42

(Basic Inputer Output System)

Front 43

protocols

Back 43

control sending, receiving messages

Front 44

DoS

Back 44

(Denial of Service) attckers make resources (server, bandwidth) unavailable to legitimate traffic by overwhelming resrouce with bogus traffic

Front 45

Unicast

Back 45

From one host to one host

Front 46

Multicast

Back 46

From one host to multiple hosts

Front 47

Broadcast

Back 47

From one host to all other hosts (ff:ff:ff:ff:ff:ff)

Front 48

ARP

Back 48

(Address Resolution Protocol) Broadcast to find the MAC address for a given IP address

Front 49

CSMA/CD

Back 49

(Carrier Sense Multiple Access/Collission Detection) when frames collide, all devices are notified with a Jam Signal, random backoff timing make hosts wait before retransmitting, hosts try again

Front 50

half-duplex

Back 50

one host can either receive or send at a time

Front 51

CRC

Back 51

(Cyclic Redundancy Check) check for data corruption

Front 52

FCS

Back 52

(Frame Check Squence) area in a frame where the results of CRC are stored

Front 53

Subnet mask

Back 53

identifies the network protion and host portion

Front 54

default gateway

Back 54

router handling inter-networking

Front 55

collision domains

Back 55

encompasses the connected hosts in a LAN that are notified when two frames collide, broken up by routers and switches

Front 56

Broadcast domain

Back 56

encompasses the connected hosts in a LAN that are notified when any hosts send a broadcast using the broadcast MAC address (ff:ff:ff:ff:ff:ff) as the destination MAC address, broken up by routers

Front 57

best effort

Back 57

unreliable method of transferring frames, no overhead is used to guarantee packet delivery

Front 58

classful addressing

Back 58

(class A, B, C or /8, /16, /24) main problem is the wastage of IP addresses

Front 59

NAT

Back 59

(Network Address Translation) technology that allows a private IP address to be translated to a publically routable IP address

Front 60

DMZ

Back 60

(Demilatarized Zone) behind a firewall but more open to the public than other systems

Front 61

SDL

Back 61

(Security Development Lifecycle) a software development security assurance process consisting of security practices grouped by seven phases: training, requirements, design, implementation, verification, release, and response