Chapter 1

Question 0

A computer that had resources associated with it, but nothing is shared with another system

Answer 0

Stand-alone

Question 1

A system of independent computers that are interconnected to share data and resources

Answer 1

Network

Question 2

Removable media and is walked over to the other system that requires data

Answer 2

Sneaker-net

Question 3

What are the three basic network configurations ?

Answer 3

Centralized computing

Peer to peer networks

Server based networks

Question 4

Computers with hard drives that provide shared resources to network users.

Answer 4

Servers

Question 5

Computers that may or may not have a hard drive that access shared network resources provided by a server

Answer 5

Clients

Question 6

The wires or signaling that provide a path for communication

Answer 6

Media/Medium

Question 7

Data provided to clients by servers across the network

Answer 7

Shared data

Question 8

Any service or device, such as files, printers,or other items, made available for use by members of the network

Answer 8

Shared resources

Question 9

Used with microcomputers and mainframe computers usually running a Unix-based operating system.

Also have dumb terminals

Answer 9

Centralized computing

Question 10

Each computer functions as a “client” and a “server”, so there is no need for a powerful central server or for the other components required for a high-capacity network

All the computers all equal

Answer 10

Peer to peer networks

Question 11

( making computers and data stored on them safe from harm or unauthorized access) consist s of setting a password on a resource, such as a directory that is shared on a network.

Answer 11

Security

Question 12

Also called a domain- provides centralized control of network services

Answer 12

Client/server based networks

Question 13

Capable of transmitting data at more that one gigabit per second(Gbps) and is primarily a WAN technology.

For fiber optic technology

Answer 13

SONET

Question 14

A network that is confined to a single location

Answer 14

Local area network (LAN)

Question 15

Standard for optical transport

Answer 15

SONET

Question 16

Equivalent of SONET and defines optical-carrier(OC) levels and electrical-equivalent synchronous transport signal

Answer 16

Synchronous Digital Hierarchy

SDH

Question 17

It is an advanced implementation of packet switching that provides high-speed data transmission rates to send fixed-size packets over broadband and baseband LANs or WANs.

Standard for cell relay

Answer 17

Asynchronous transfer mode

ATM

Question 18

The most popular physical network architecture in use today due to its flexibility, ease of setup and inexpensive components.

Works at the physical layer

Answer 18

Ethernet

Question 19

Used to regulate network access

Answer 19

Carrier Sense Multiple Access/ Collision Detection (CSMA/CD)

Question 20

Primary differences between the mediums

Answer 20

Distance they can run,
Ease of installation and
Cost

Question 21

Basic geometric layout of the network-the way in which the computers on the network are interconnected

Answer 21

Topology

Question 22

The two types of topologies

Answer 22

Physical and logical

If you can touch it - physical
If you can’t see it - logical

Question 23

All computers in the network are connected to a single cable or a backbone

Answer 23

Bus topology

Question 24

Made up of a central connection point that is a device such as a hub,router,or even a server, where all the cabling segments meet

Answer 24

Star Topology

Question 25

Procedures and rules that manage network access so that all nodes have access without conflicting with each other causing collisions and loss of data

Answer 25

Media access, or control methods also called media access techniques

Question 26

A system of rules and procedures that govern communication between two or more devices on a network

Answer 26

Protocol

Question 27

Three basic elements of a protocol

Answer 27

* Character set * A set of rules for the sequence and timing of messages * Procedures for error detection and correction

Question 28

A combination of protocols

Answer 28

A protocol stack

Question 29

This layer relates to the services that directly support user applications, such as software for file transfers, database access, and e-mail

Answer 29

Application Layer

Question 30

The three protocols used in the application layer

Answer 30

* HTTP-hypertext transport protocol * SNMP- Simple Network management protocol * Telnet

Question 31

An Internet protocol by which World Wide Web pages are transmitted over networks

Answer 31

HTTP

Question 32

An Internet protocol for monitoring networks and network components

Answer 32

SNMP

Question 33

An Internet protocol for logging on to remote hosts and processing data locally

Answer 33

Telnet

Question 34

This layer ensures packets are delivered error free, in sequence, and without loses or duplications.

Answer 34

Transport layer

Question 35

These protocols establish,maintain and break a connection with the receiving system.

Answer 35

Connection-Oriented

Question 36

A connection-oriented transport layer protocol that provides reliable full-duplex data transmission

Answer 36

Transmission Control Protocol (TCP)

Question 37

Grouping bytes in TCP segments, which are passed to IP for transmission to the deletion Uses a "push" to ensure that all data is passed to the destination

Answer 37

Stream Data Transfer

Question 38

Requires a recipient to communicate with the source, sending back an acknowledgment message when it receives data.

Answer 38

Positive ACKNOWLEDGEMENT (ACK)

Question 39

A method used to prevent network congestion by ensuring that transmitting devices do not overwhelm receiving devices with data

Answer 39

Flow control

Question 40

What flow control method Temporarily stores bursts of excess data in memory until they can be processed

Answer 40

Buffering

Question 41

A flow control method used by the receiving devices to help prevent their buffers from overflowing

Answer 41

Source-quench Message

Question 42

A flow control mechanism requiring that the source device receive an acknowledgment from the destination after transmitting a certain amount of data.

Answer 42

Windowing

Question 43

Determines whether transmitted data has become corrupt or otherwise damaged while traveling from the source to the destination. One common technique is Cyclic Redundancy Check (CRC)

Answer 43

Error Control

Question 44

This is A combination of a port number and IP address

Answer 44

Socket

Question 45

It regulates how much information can be passed over a TCP connection before the receiving host must send an acknowledgement

Answer 45

Sliding window

Question 46

This 802 standard sets internet working standards related to bridging and network management

Answer 46

802.1

Question 47

This 802 standard defines the general standard for the logical link control (LLC) which is the upper portion of the data link layer for local area networks

Answer 47

802.2

Question 48

This 802 standard defines the Media Access Control (MAC) layer for bus networks that use Carrier-Sense Multiple Access with Collision Detection (CSMA/CD) This is a Ethernet standard

Answer 48

802.3

Question 49

This 802 standard defines the MAC layer for token ring networks (Token Ring LAN)

Answer 49

802.5

Question 50

This 802 standard defines wireless network standards. (LAN)

Answer 50

802.11

Question 51

This 802 standard defines wireless personal area networks (WPAN)

Answer 51

802.15

Question 52

This 802 standard defines broadband wireless standards.

Answer 52

802.16

Question 53

This 802 standard does resilient packet ring (RPR)

Answer 53

802.17

Question 54

This 802 standard works with mobile wireless

Answer 54

802.20

Question 55

This 802 standard works with media independent handover services

Answer 55

802.21