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問題一覧
1
How many are the kinds of network?
Depends on classification
2
What are the 4 classifications of network?
By function, By scope/area, By Topology and By Transmission Media
3
Networks by scope/area
LAN, WAN, WLAN, PAN, DAN, CAN, MAN etc.
4
Networks by Transmission Media
Wired and Wireless
5
Networks based on Topology
Bus, Star, Ring, etc.
6
Networks based on function or management method
peer-to-peer and client-server
7
What are the two main categories of transmission media?
guided and unguided
8
What are the three types of guided category of transmission media
twisted pair cable, coaxial cable and fiber optic cable
9
What are the two kinds of twisted pair cable?
unshielded and shielded twisted pair cables
10
Types of unguided category of transmission media
wireless transmission such as infrared, microwave, radio wave and sound
11
LAN and WAN are the two main types of network based on scope/area?
True
12
Network inside the Student Computer Lab
LAN
13
Network inside a small office
LAN
14
Network inside your home
LAN
15
Define LAN(Local Area Network)
A network with limited number of computers and distancre covered.
16
It serves as a department within an organization
LAN
17
A network that uses a long range telecommunication links
WAN
18
What best describes WAN(Wide Area Network)?
Connects LANs
19
Campus Network
WAN
20
What type of network is the internet?
WAN
21
Peer-to-peer network is also called what?
Workgroup
22
A network wihout a hierarchy among computers and an admistrator
Peer-to-peer Network
23
Low cost, simple to configure and user-accessible network
Peer-to-peer Network
24
A network that may have duplicated resources, difficult to uphold security policy and handle uneven loading
Peer-to-peer Network
25
Where will the peer-to-peer network is appropriate?
10 or less users, no specialized services required, security is not an issue and limited growth for the future.
26
Network client are also called what?
Workstation
27
They are the computers that request network resources or services.
Network Clients
28
They are the computers that manage and provide network resources or services.
Network Servers
29
They usually have more processsing power, memory and hard disk space that the other
Network Servers
30
They run network operating system
Network Servers
31
They often have a more stringent requirement on it's performance and reliability
Network Servers
32
Facilitates resource sharing, system backup and improve fault tolerance, enhance security and support more users.
Client-Server Networks
33
Enumerate the three disadvantages of client-server network
High cost, needs expert for configuration and introduces a single point of failure in the system.
34
Set of pre-defined rules
Protocols
35
A group of inter-related protocols that are necessary to perform a communication function.
Protocol Suite
36
These are implemented in software and hardware that are located on each host and network device.
Protocols
37
Individual protocols in a protocol suite can be what? [Two answers]
vendor-specific and proprietary
38
These are used to allow devices to communicate successfully.
Network Protocols
39
Network protocols provide what? [4 answers]
the format and structure of the message, the process by which networking devices share information about pathways to other networks, how and when error and system message passed between devices and the setting up and termination of data transfer sessions
40
Give examples of NOS(Network Operating System)
Miscroft Windows Server 2003
41
NOS are based on what architecture?wherein it enables multiple clients to share resources
Client-Server
42
Global network of computer networks
Internet
43
TCP/IP stands for
Transmission Control Protocol/Internet Protocol
44
A protocol suite the is used by the internet that supports interconnection of a number of different computer networks
TCP/IP
45
6 major internet tools and services
email, newgroups, IRC, telnet, ftp, www
46
The most popular use of the internet and available for free on the web
47
The service of this is dedicated for discussions on a particular topic and is accessible for news readers.
Newsgroups
48
Allows real-time text-baed communication through the internet, organized topics into channels and uses chatrooms for discussions.
IRC
49
A service that allows one computer to access another computer by the use of the telnet host and is mainly used by libraries.
Telnet
50
Allows transfer or copying of files from one computer to another, ideal for procuring or sending files to a remote computer, available freely and modern browsers have built its capabilities.
FTP
51
It is based on HTML and is invented by Tim Berners Lee
WWW
52
What is the simplest unit of WWW?
Webpage
53
Each page in the www has its own unique address. What do you call to this address?
URL(Uniform Resource Locator)
54
The internet grew from what?
ARPANET
55
This is the first computer network designed for the Advanced Research Projects Agency(ARPANET) of the UDD(U.S Department of Defense)
ARPANET
56
Why do ARPA sponsored research interconnecting remote computers geographically?
To allow communication and sharing of data and resources
57
What is the goal of the creation of the INTERNET?
To create communications network that exists despite incapacitated datas
58
What is the old name of the Internet?
ARPANET
59
The two early developments of the success of the ARPANET
packet switching and TCP/IP
60
This involves digital systems that transmit data in small packets.
Packet switching
61
The core internet protocol that allows computers to communicate with each other.
TCP/IP
62
An internet protocol used for accessing and transmitting www documents.
HTTP/HTTPS
63
An internet protocol used for transferring data from one computer to another.
FTP
64
An internet protocol used for accessing gopher menus
Gopher Protocol
65
An internet protocol that allows users to log in to a remote computer.
Telnet Protocol
66
An internet protocol used for sending and managing emails
SMTP
67
A unique address assigned to each computers connected to the internet.
IP Address
68
It is used by TCP/IP to route packets of information from a sender to the location of the internet.
IP Address
69
IP Address consists of what?
4 sets of numbers ranging from 0-255
70
Process of connecting devices together to enable communication and resource sharing.
Networking
71
Foundation of modern communication
Networking
72
The language of the digital world
0s and 1s
73
A type of IP address that is used on the internet and can be accessed globally
Public IP Addresses
74
A type of IP address that is used within local networks and are not accessible from the internet directly.
Private IP addresses
75
4 decimal numbers separated by dots
IPv4
76
How many bits in one octet?
8 bits
77
Total length of IPv4
32 bits
78
Total length of the IPv6 shorthand
64 bits
79
8 groups of 4 hexadecimal digits separated by colons
IPv6
80
command that explore available commands or get syntax information
help
81
A command for network configuration and troubleshooting and provides details such as IP address, subnet masks and default gateways
ipconfig
82
A command that tests the connectivity between devices, typically by sending ICMP and waiting for reply.
ping
83
A command that traces the path that a packet of data takes from your computer to a specified destination on a network.
tracert