... 39
Network Layer Protocols and Internet Protocol (IP)
Học viện mạng Bách khoa - Website: www.bkacad.com 3
• Define the basic role of the NetworkLayer in data networks
• The protocols of the OSI ... to 5. 1.1 )
Network Layer Fields
Học viện mạng Bách khoa - Website: www.bkacad.com 14
• 8 bits
• Specifies the level of importance that has been
assigned by upper -layer protocol
Routing and Layer ...
the control communication
between the Data Link layer and
the Networklayer is the
establishment of a maximum size
for the packet.
Network Layer Fields
Học viện mạng Bách khoa - Website:...
... Transport layer, placed into
packets by the Network layer, and further encapsulated as
frames by the Data Link layer. The purpose of the Physical
layer is to create the electrical, optical, ... context to give them
meaning to the upper layers of the networking model. This
framing method can be provided by the Data Link layer, the
Physical layer, or by both.
• Signal patterns can indicate: ...
cable television signals.
Characteristics & Uses of Network Media
Học viện mạng Bách khoa - Website: www.bkacad.com
Chapter 8 - OSI Physical Layer
CCNA Exploration 4.0CCNA Exploration 4.0
Học...
... appear in an
e-mail.
Summary
Học viện mạng Bách khoa - Website: www.bkacad.com 45
Chapter 4 - OSI Transport Layer
CCNA Exploration version 4.0CCNA Exploration version 4.0
Flow Control
When datagrams ... mạng Bách khoa - Website: www.bkacad.com 25
Transport Layer Role and Services
Học viện mạng Bách khoa - Website: www.bkacad.com 9
• At the Transport layer the three basic operations of reliability ... viện mạng Bách khoa - Website: www.bkacad.com 29
Transport Layer Role and Services
• Describe the role of segments in the transport layer
and the two principle ways segments can be marked
for...
... 1999
URL:http://mike.passwall.com/networking/netmodels/isoosi7layermodel.html
[4] R Feig, “The OSI Reference Model”, Date Unknown,
URL:http://www2.rad.com/networks/1994 /osi/ osi.htm
[5] H S Ha, OSI 7 Layer , 2000
URL:http://userpages.umbc.edu/~hha1 /network/ protocol.html
[6] ... Room Author retains full rights.
Page 9 Applying the OSI seven -layer model to Information Security
Layer Three - Network Layer
The Networklayer is concerned with the global topology of the internet ... Applying the OSI seven -layer model to Information Security
Layer Six- Presentation Layer
The Presentation Layer deals with the organization of data passed from the
application layer into the network. ...
... multicast address is shown in color. Any
packet with a multicast address from 224.0.0.0 to
239. 255 . 255 . 255 is masked and delivered to the Ethernet
interface.
Example 21.9
21.40
Figure 21.19 Example ... time was 0.9 95 ms, the second was
0.899 ms, and the third was 0.878 ms. The second line
shows the second router visited. The router is named
Dbackup.fhda.edu with IP address 153 .18. 251 .4. The ... 0.0.0.0.
Note
21. 15
ICMP always reports error messages to
the original source.
Note
21.28
The first line shows the first router visited. The router is
named Dcore.fhda.edu with IP address 153 .18.31. 254 ....
... link
NetworkLayer 4-11
Network layer connection and
connection-less service
❒
datagram network provides network- layer
connectionless service
❒
VC network provides network- layer
connection service
❒
analogous ... conventions
ICMP protocol
•error reporting
•
router “signaling”
Transport layer: TCP, UDP
Link layer
physical layer
Network
layer
NetworkLayer 4-41
IP addressing: CIDR
CIDR: Classless InterDomain Routing
❍
subnet ... link
physical
network
data link
physical
network
data link
physical
network
data link
physical
network
data link
physical
network
data link
physical
network
data link
physical
application
transport
network
data link
physical
application
transport
network
data...
... sub -network.
- 194.12.230.0/ 255 . 255 . 255 .192 Administrative sub network address range: 194.12.230.1
(00 000001) has 194.12.230.62 (00 111110)
- Engineers in 194.12.230.64/ 255 . 255 . 255 .192 network ... 194.12.230.192/ 255 . 255 . 255 .192 in interconnection network address range:
194.12.230.193 (10 000001) has 194.12.230. 254 (01 111110)
4. Trace a network diagram of the company by making appear the host of the network ... for
three sub-networks the subnet mask is complete: 255 . 255 . 255 .192.
2. Calculate the total number of host which can contain each sub -network.
62 hosts per subnet
3. Affect a number of sub-networks...
... 79
149
U n i q U e s e r v i c e P r o c e d U r e s
150
151
Checking Oil Pressure
• Remove the engine oil pressure sensor
(EOP) from the oil cooler.
• ... perform the job at hand.
• Tool # 310- 158 (fuel caps)
Fuel Rail Caps
Fuel Injector Caps
Fuel Filter Lid
Fuel Filter Element
Oil Filter Lid
Oil Filter Element
75
137
U n i q U e s e r v i c e P r ...
filter lid to the specified torque.
NOTE: Before starting the vehicle, turn the key
to the on position for 30 seconds, then key off.
Do this 6 times to ensure the fuel filter housing
is full...
... length
depends on the position of the pivot point
which is easily adjusted, even during
rotation, by rotating the eccentric shaft.
157
Sclater Chapter5 5/3/01 11:46 AM Page 157
138
LINKAGE RATIOS ... pressures. The
screw head is welded to the washer for a
leaktight joint.
Sclater Chapter5 5/3/01 11: 45 AM Page 1 35
129
Fig. 5 This sleeve bearing, consisting of a hardened sleeve, balls,
and retainer, ... rotation. The output is fed
through a gear differential to convert it to a positive number.
Sclater Chapter5 5/3/01 11:46 AM Page 159
This drive multiplies the finger force of a type-
writer, producing...
... phẩm
Chương 5
CHIẾN LƯC SẢN PHẨM
17
7. PHÁT TRIỂN SẢN PHẨM MỚI
* Mới đối với thế giới
* Họ sản phẩm mới
* Bổ sung cho họ sản phẩm hiện tại
* Cải tiến các sản phẩm hiện tại
* Tái định vị (repositioning): ... Thu hút nhóm khách hàng trung thành;
* Giúp phân khúc thị trường;
* Tạo dựng hình ảnh công ty.
25
•
Sản phẩm:
Tính năng, công dụng, tiện ích, bền vững, an toàn,
cơ động, kiểu dáng, thiết kế.
•
Dịch ... chất:
* Các thuộc tính không thuộc cấu tạo vật chất của
sản phẩm
* Do các nỗ lực tiếp thị tạo ra
15
Nhóm sản phẩm :
Bao gồm nhiều sản phẩm có quan hệ chặt chẽ với
nhau, do:
•
* Chức năng tương...
... Sang
Bộ môn: Tin học TC – KT
Khoa: Hệ Thống Thông Tin Kinh tế - Học Viện Tài Chính
Tel: 0982.1 65. 568
Email: sanghv@hvtc.edu.vn
Website: http://www.hvtc.edu.vn/sanghv
Lập trình hướng đối tượng ... sanghv@hvtc.edu.vn
Tiêu đề:
[Lớp][BT6][Stt][Họ và tên]
Ví dụ:
[K43/41.01][BT3][14][Lê hoàng Vũ]
Hạn nộp: 23h59’ ngày 29/01/2008
Object Oriented Programing– Information Systems Department
3
1. Khái niệm
1....