Acer AT3705 Panduan Pengguna - Halaman 20

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Networking glossary

802.11b/g:

Wireless networking standards that support data encryption

and data transfer rates of 11 and 54 megabytes per second

(Mb/s), respectively. 802.11g is backwards-compatible with

the 802.11b standard.

Ad hoc wireless network:

A network where two PCs communicate on a peer-to-peer

basis, without an access point or router.

DHCP (Dynamic Host Configuration Protocol):

Used by network devices to automatically obtain network

address information (IP address, subnet mask, gateway,

and DNS address.) Any PC with Internet Connection Sharing

Software running can act as a DHCP server; alternatively you

can use a router or an ISP server. If your network does not

have a DHCP enabled device, then you will need to assign an

IP address for your Acer LDC TV.

DNS (Domain Name System):

A system used by DNS servers to translate computer names

into IP addresses. For example, www.acer.com translates into

211.79.203.2

Ethernet:

A commonly used wired network technology, ranging in

speed from 10 up to 1000 Mb/s.

Gateway:

The gateway is the IP address of a device, such as a router,

that connects you to another network. The router acts as the

gateway between your Local Area Network (LAN) and the

Internet.

Access point wireless network:

A network that uses a router, hub or an access point.

IP address (Internet Protocol address):

An IP address consists of four groups of digits separated by

periods. Each group of digits contains an 8-bit value as a

number ranging from 0 to 255. Each computer must have

its own unique IP address. The IP addresses on your network

must be within the same range and must be sequential.

For example, if one device has an IP address of 192.168.1.2,

the IP addresses for the other devices in the network should

be 192.168.1.3 and 192.168.1.4.

Encryption key:

Encryption keys allow you to easily change wireless

encryption settings to maintain a secure network. The MGW

supports 64-bit and 128-bit keys.

Netmask:

Also known as a subnet mask, this is used to determine which

subnet an IP address belongs to.

SSID (Service Set Identifier):

Each Wireless Local Area Network (WLAN) has a designated

SSID. This can easily be changed to connect to an existing

wireless network.

Static IP:

As opposed to an automatically configured IP address, a static

IP address is configured manually. A static IP address must be

unique and remains the same.

WEP (Wired Equivalent Privacy):

A security protocol that provides the equivalent level of

wired security for wireless local area networks (WLAN). WEP

encrypts data sent through WLANs.

Network encryption

WEP (Wired Equivalent Privacy): An industry-standard

wireless device encryption technology. When using WEP, it is

important to determine the level of encryption.

The type of encryption determines the key length. 128-bit

encryption uses a longer key than 64-bit encryption.

Keys are defined by entering a string in either HEX

(hexadecimal - using characters 0-9, A-F) or ASCII (American

Standard Code for Information Interchange – alphanumeric

characters) formats.

ASCII format is designed to make strings that are easier to

remember. The ASCII string is converted to HEX for use. Up to

four keys can be defined to make key changes easy. A default

key is selected for use on the network.

There are five options configurable under the configuration

setting: Disable, 64-bit HEX, 128-bit HEX, 64-bit ASCII, and

128-bit ASCII.

Key Index: Select a number between 1 and 4.

Key: To connect to an encrypted wireless device, the key you

enter must match the device key exactly.

Key Types and Examples:

64-bit HEX: Keys are 10 characters in length.

Example: 01234567RH is a valid string of 10 characters for

64-bit encryption.

128-bit HEX: Keys are 26 characters in length.

Example: 789ABCDE123444100005271730 is a valid string of

26 characters for 128-bit encryption.

64-bit ASCII: Keys are 5 characters in length.

Example: ACERG is a valid string of 5 characters for 64-bit

encryption.

128-bit ASCII: Keys are 13 characters in length.

Example: 2005GALEDWIN9 is a valid string of 13 characters

for 128-bit encryption.