問題一覧
1
An Application hands off a chunk of data to the TCP Library, Which turn to makes calls to the IP library, which in turn calls the LAN layer
Layer
2
is the group of Applications requiring network communication
Application Layer
3
establishes the connection between applications on different hosts
Transport Layer
4
is responsible for creating the packets that move across the network
Network Layer
5
is responsible for creating the frames that move across the network
Data Link Layer
6
is the transceiver that drives the signals on the network
Physical Layer
7
The speed at which data is transferred within the computer or between a peripheral device and computer
Data Rate
8
is the amount of data move succesfully from one place to another in a given time period, and typically measured in bits per second (bps)
Throughput
9
refers to the theoretical rate of speed that data on your network can travel
Bandwidth
10
are modest sized buffers of data, transmitted as a unit through some shared set of links
Packets
11
contains instructions about the data carried by the packet
Header
12
The actual data is referred to as the
Payload
13
sometimes called footer, typically contains a couple of bits that tell the receiving device that it has reached the end of packet
Trailer
14
is the arrangement with which computer systems or network devices are connected to each other
Topology
15
a set of entries in the forwarding table that cause some packets to circulate endlessly
Routing Loops
16
is the reduced quality of a service that occurs when a network node or link is carrying more data than it can handle
Congestion
17
Network overload is what happen when you place too many hosts in a broadcast domain
Too Many Hosts in broadcast domain
18
Its a situation where there are unexpectedly too many requests on a network
Broadcast Storms
19
refer to the size of the pipe in which internet data can travel through
Bandwidth
20
when building out a network, there needs to be the integration of hubs
Adding Retransmitting Hub
21
is where a network allows many many computers to speak to each other sinultaneously
Multicasting
22
If the hardware is not optimal, this creates a bottle neck for the transmission of data
Outdated Hardware
23
are any foreign devices on your network
Roque Adapter Broadcasts
24
An Internet Service Provider can determine how fast it sends traffic over its network
Artificial Congestion
25
is a communication protocol for Local Area Network (LAN) using media interfaces
Ethernet
26
are independent networks but may be linked within a WAN through internet devices such as routers
LAN
27
is the principal communication protocol in the internet protocol suite for relaying datagrams across the network boundaries
Internet Protocol (IP)
28
originated in the initial network implementation which it complemented the Internet Protocol (IP)
Transmission Control Protocol (TCP)
29
is a system designed to prevent unauthorized access to or from a private network
Firewall
30
is useful to determine if another machine is accessible
Ping
31
is an electronic device that receives a cignal and retransmits it
Repeater
32
is networking hardware that connect devices on a computer network by using packet switching to receive and forward data
Switches
33
is a multiport network bridge that uses MAC address to forward the data at the datalink layer of the OSI model
Switches
34
in the telecom world, a repeater might be called a
Digital Regenerator
35
Allowed branching and thus much more complex topologies
Hub
36
Bridges later known as ____ came along a short time later
Switches
37
Another category of Ethernet addresses is multicast used to transmit to a set of stations
Ethernet Multicast
38
The set of subscribers to a given multicast address may be called
Multicast Group
39
Ethernet packet contain a 32 Bit (Cyclical Redundancy Check) error detecting code
Error
40
Fast Ethernet developed at the time 1995 when reliable switches below were widely available
True
41
Fast Ethernet standard is 100BASE-TX which uses twisted pair copper wire (CAT5)
True
42
Gigabit Ethernet 1000Base T uses called PAM5 Encodong
True
43
are usually used to connect points on a company internet LAN
Lan Switch
44
are frequently used in home networks, small companies and business
Unmanage Switch
45
They can be customized to enchance the functionality of a certain Network
Manage Switch
46
can support the power and data transmission over one cable at the same time
Power over Ethernet (PoE)
47
Provide a way to simplify and increase the availability of the network
Stackable Switch
48
is any broadcast domain that is partitioned and isolated in a computer network at the data link layer
Virtual Lan (VLAN)
49
is a private network that encrypts and transmits data while travel from one place to another on the internet
Virtual Private Network (VPN)
50
Each end of the connection is typically associated with a software created virtual network interface
Virtual Private Network (VPN)
51
is the process of encrypting data and keeping it sepate from other traffic on the internet
Tunneling
52
is a network architecture approach that enables network to be intelligently and centrally controlled or programmed using software applications
Software Defined Networking (SDN)
53
this helps operators manage the entire network consistently and holistically regardless of the underlying network technology
Software Defined Networking (SDN)
54
is a leased line to point to point link between two sites where the subscriber interface at each end of the line looks like Ethernet
Carrier Ethernet
55
is a marketing term for extensions to Ethernet to enable telecommunications network providers
Carrier Ethernet
56
is a communication protocol in a Local Area Network (LAN) where all the stations are connected in a ring topology
Token Ring
57
is a means of transpoting data over a packet switch network
Virtual Circuits
58
the switches are set up manually by the communication management station
Permanent Virtual Circuits (PVC)
59
the switches are set up automatically when a communication session is established
Switch Virtual Circuits (SVC)
60
is a network mechanism intended to accomodate real time traffic as well as bulkdata transfer
Asynchronous Transfer Mode (ATM)
61
used a radio frequency signal instead of wires to connect your devices
Wifi
62
The Organization that owns the WIFI registered trademark term
WFI Allicance
63
stands for Worldwide Interoperability for Microwave Access
WiMax
64
stands for Long Term Evolution, is more successor to current mobile 3G Standards
LTE
65
uses radio waves transmitted by a cell tower to bring you your internet connection
Fixed Wireless
66
Access points are usually tower mounted and serve multiple subscribers
Terrestrial Wireless
67
Does not use telephone lines or cables system
Satellite Internet