wide area network pdf
Describe wireless wide area networks (WWANs) and how they are used
Ngày tải lên :
13/09/2012, 10:52
... 8-PSK
CDMA2000 1xRTT
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Operates on two 1.25 MHz -wide frequency channels
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Supports 144 Kbps packet data transmission
2
Objectives
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Describe wireless wide area networks (WWANs) and
how they are used
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Describe ... 16
2.5 Generation Cellular Telephony
(continued)
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2.5G network technologies
General Packet Radio Service (GPRS)
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For TDMA or GSM 2G networks
ã
Uses eight time slots in a 200 KHz spectrum and ... Kbps for a slowly moving user
–
2 Mbps for a stationary user
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3G network technologies
CDMA2000 1xEVDO
ã
For 2.5G CDMA2000 1xRTT networks
25
Binary Runtime Environment for
Wireless (BREW)
ã
BREW...
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LÝ THUYẾT VỀ MẠNG LAN (LOCAL AREA NETWORK)
Ngày tải lên :
25/04/2013, 11:58
... cấu hình native VLAN thì
phải cấu hình ở giao diện vật lý.
CHƯƠNG II
LÝ THUYẾT VỀ MẠNG
WAN (WIDE AREA NETWORK)
I. KHÁI NIỆM :
Là mạng được thiết lập để liên kết các máy tính của hai hay nhiều khu ... trí rất xa nhau, ví dụ như
những quốc gia khác nhau, thì khi đó ta có mạng diện rộng WAN (Wide Area
Network)
Trang
NGUYỄN ĐÌNH CÔNG – 36CLTH
2929
V./. CÁC CÔNG NGHỆ MẠNG LAN :
5.1. CÔNG NGHỆ ... nhất được nhận dạng bởi thiết bị hai đầu.
5.4 CÔNG NGHỆ VLAN:
VLAN là viết tắt của Virtual Local Area Network hay còn gọi là mạng LAN
ảo. Một VLAN được định nghĩa là một nhóm logic các thiết bị...
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Tổng quan về mạng WAN (Wide Area Netwwork) - Phần mềm Cool Chat
Ngày tải lên :
27/04/2013, 22:04
... hết sức quan trọng. Giải pháp
mạng WAN ( Wide Area Network - Mạng diện rộng ) được áp dụng. Chúng có
nhiệm vụ kết hợp tất cả các mạng LAN (Local Area Network ) ở xa lại thành
một mạng duy nhất ... có hiệu quả.Theo mô hình OSI (Open System Interconnect ) thì
chức năng của router thuộc mức 3 ( Network ), cung cấp thiết bị với thông tin
chứa trong các header của giao thức, giúp cho việc xử...
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Tài liệu Administering Cisco QoS in IP Network pdf
Ngày tải lên :
10/12/2013, 16:15
... how a packet traverses networks, consider Figure 1.6.The net-
work address of Network A is 10.1.1.0 with a subnet mask of 255.255.255.240
(or 28 bits).The network address of Network B is 10.1.1.16 ... Force, deploying wide- area network solutions to
peacekeeping forces in Kuwait,Yugoslavia, and other international loca-
tions. His latest projects involve Voice-over-ATM,Virtual Private Network
solutions, ... address scheme gives a total of 65,384 networks and hosts per network.
The Class C address scheme gives a total of 16,777,216 networks, which give 254
hosts per network.
TIP
Remember that the number...
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Tài liệu cisco migration_Enterprise Branch Wide Area Application docx
Ngày tải lên :
10/12/2013, 16:15
...
Telephony (SRST).
ã
Application networking servicesWAE network module (NME-WAE-302, NME-WAE-502).
ã
Network management servicesThe Network Access Module (NM-NAM) offers network
monitoring services ... the network path) or destination IP (service group 62 in
the network path). The allocated hash buckets are synchronized within the service group, and the hash
49
Enterprise Branch Wide Area ... NME-WAE-302
NME-WAE-502
Network
module
WAAS network modules cannot be
configured as a WAAS CM.
Supported on the 2800 and 3800 ISR
routers.
Network management NM-NAM Network
module
Table 4...
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Tài liệu Enterprise Data Center Wide Area Application Services (WAAS) Design Guide pptx
Ngày tải lên :
10/12/2013, 16:16
... supports the storage area network (SAN) fabric and connectivity between
servers and other storage devices, such as storage arrays and tape drives.
Front End Network
The front-end network contains ... 95134-1706 USA
Enterprise Data Center Wide Area Application
Services (WAAS) Design Guide
This document offers guidelines and best practices for implementing Wide Area Application Services
(WAAS) ... End Network
12
Core Layer
13
Aggregation Layer
13
Access Layer
13
Back-End Network
14
SAN Core Layer
14
SAN Edge Layer
15
WAN Edge Component
15
19
Enterprise Data Center Wide Area...
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Tài liệu Sample Campus Network pdf
Ngày tải lên :
10/12/2013, 16:16
... subnets on the network and their relationships including the range of IP
addresses on all subnets and net mask information.
f) All wide area network (WAN) or metropolitan area network (MAN) ... all network
documentation. The IT networking staff shall have the ability to read and modify network
documentation. Designated enterprise security staff shall have access to read and change network ... made to the network.
3.0 Documentation
The network structure and configuration shall be documented and provide the following
information:
1. IP addresses of all devices on the network with...
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Tài liệu Chapter-17-Configuring the local network pdf
Ngày tải lên :
11/12/2013, 00:15
... interfaces are connected to which networks, and evenmore
importantly,which address your system has on each network. In addition, if the network
is a broadcast network, such as an Ethernet, you ... Complete FreeBSD ( /tools/tmac.Mn), page 300
Describing your network
In Table 16-7 on page 294, we sawthat systems connect to networks via network
interfaces.The kernel detects the interfaces automatically ... system’sviewofthe network. If you didn’tconfigure
the network when you installed your system, you can still do it now. Log in as root and
start sysinstall.Select the Index,then Network Interfaces.You...
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Tài liệu Wide Area Networks doc
Ngày tải lên :
11/12/2013, 14:15
... FTP
Packets are:
Marked (colored) at ingress at network edge
IP Precedence / Differentiated Services Code Point (DSCP) set
Policed and shaped at the network edge
Potentially discarded by Weighted ... be used to police precedence bits set externally to the network either by the
customer or by a downstream service provider. Thus the network can decide to either
accept or override external ... Priority, Bursty
ã Hoot N HollerVoIP Multicast, Sensitive to Drop, Jitter, and excessive drop
ã Systems Network Architecture (SNA)Delay sensitive. Encapsulated in TCP.
ã OtherDelay insensitive, drop insensitive.
Market...
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Tài liệu Chapter11 Wide Area Networking Protocols pptx
Ngày tải lên :
21/12/2013, 05:18
...
Chapter11 Wide Area Networking Protocols
Introduction to Wide Area Networks
WAN 是覆盖地理范围相对较为广阔的数据通信网络,它一般是利用公共载体(比如电信公司)
提供的设备进行传输.WAN 技术运行在 OSI 的最下 3 层
广域网 (Wide Area Network, WAN)的一些术语 ... 使用网络控制协议
(Network Control Protocol,NCP)来验证上层的 OSI 参考模型的网络层协议
6.异步传输模式(Asynchronous Transfer Mode,ATM):国际电信联盟电信标准委员会(ITU-T)制
定的信元(cell)中继续标准.ATM 使用固定长度的 53 字节长的信元方式进行传输,ATM 网络的
面向连接的
Cabling the Wide ... Mode,ATM):国际电信联盟电信标准委员会(ITU-T)制
定的信元(cell)中继续标准.ATM 使用固定长度的 53 字节长的信元方式进行传输,ATM 网络的
面向连接的
Cabling the Wide Area Network
Cisco 的串行连接支持几乎所有类型的 WAN 服务.HDLC,PPP 和帧中继使用相同的物理层定
义的接口,但是和 ISDN 的不一样.我们先来回顾下 router...
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Tài liệu Ethernet Access for Next Generation Metro and Wide Area Networks pptx
Ngày tải lên :
21/12/2013, 06:15
... and Wide Area Networks
OL-14760-01
Design Considerations
ã
Use of EIGRP stub areas eliminates queries to spoke routers.
ã
OSPF must periodically synchronize router databases within an area, ... generating link up/down SNMP traps and syslog messages for network
management systems.
28
Ethernet Access for Next Generation Metro and Wide Area Networks
OL-14760-01
Design Considerations
Design ... Edge
Provider Edge
Customer
Edge (CE)
User Network
Interface (UNI)
Customer Premise
Equipment (CPE)
34
Ethernet Access for Next Generation Metro and Wide Area Networks
OL-14760-01
Scalability Considerations
Table...
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Tài liệu Hack Proofing Your Wireless Network pdf
Ngày tải lên :
21/12/2013, 06:16
... Region for
Lucent Technologies. His areas of expertise include Cisco routers and
switches, wide area network architecture, troubleshooting and optimiza-
tion, network security, wireless access, ... the network architect
with the ability to design networking solutions that are available anytime and
anywhere through always-on connectivity. As can be noted in the previous exam-
ples, any networking ... allows the
network architects to reuse networking equipment as required to address the net-
working realities of each environment.
For example, it is possible to move part or all of a network from...
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Tài liệu Managing Cisco Network pdf
Ngày tải lên :
21/12/2013, 06:19
... Service
(RADIUS) Server.
B. Stop-accounting records for network service requests are sent to the RADIUS server.
C. Start-accounting records for network service requests are sent to the local database. ... delivered by the PIX Network address translation (Choose
three)
A. It hides the MAC address.
B. It automates IP renumbering of internal hosts.
C. It hides internal networks addressing scheme ...
Answer: A
QUESTION NO: 115
Which command enable PAT to translate a source address of hosts in network
10.1.0.0 to 192.16.1.15
A. global (inside) 1 10.1.0.0 255.255.0.0
nat (inside) 1 192.16.1.15...
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