Week_Three_Network_ppt
... with one density into a medium with another density, the signal can be bent, much like light passing through a prism. The signal changes direction and may interfere with the non-refracted signal. It can take a different path and encounter other, unexpected obstructions, and arrive at recipients dama ...
... with one density into a medium with another density, the signal can be bent, much like light passing through a prism. The signal changes direction and may interfere with the non-refracted signal. It can take a different path and encounter other, unexpected obstructions, and arrive at recipients dama ...
Zen and the Art of the Internet
... 開始的前面兩個or 三個 represent the network that a system is on, called the subnet. ...
... 開始的前面兩個or 三個 represent the network that a system is on, called the subnet. ...
csp_07-08_net
... – This is the layer at which sockets are defined – Sockets can be connection-oriented (stream sockets - TCP) or connectionless (datagram sockets - UDP), and each has their own protocol – Winsock, as a library that we can use to program the socket functionality with Windows, is an interface standard ...
... – This is the layer at which sockets are defined – Sockets can be connection-oriented (stream sockets - TCP) or connectionless (datagram sockets - UDP), and each has their own protocol – Winsock, as a library that we can use to program the socket functionality with Windows, is an interface standard ...
Slides: Challenges in Mobile Networking
... Wireless access to networks will soon be the most popular method • Today: 850M phone lines, 700M wireless subscribers • Wireless growth far exceeds wired growth ...
... Wireless access to networks will soon be the most popular method • Today: 850M phone lines, 700M wireless subscribers • Wireless growth far exceeds wired growth ...
SEMESTER 1 MODULE 1
... manages the individual conversations between web servers and web clients responsible for taking the formatted segments from TCP, encapsulating them into packets, assigning the appropriate addresses, and selecting the best path to the destination host. Network access protocols describe two primary fu ...
... manages the individual conversations between web servers and web clients responsible for taking the formatted segments from TCP, encapsulating them into packets, assigning the appropriate addresses, and selecting the best path to the destination host. Network access protocols describe two primary fu ...
Slide 1
... medium, the time required for the bit to propagate to the end of its physical trajectory • The velocity of propagation of the circuit depends mainly on the actual distance of the physical circuit • In the majority of cases this is close to the speed of light. For d = distance, s = propagation veloci ...
... medium, the time required for the bit to propagate to the end of its physical trajectory • The velocity of propagation of the circuit depends mainly on the actual distance of the physical circuit • In the majority of cases this is close to the speed of light. For d = distance, s = propagation veloci ...
Large Scale Network Situational Awareness Via 3D Gaming Technology
... amount of environmental information rapidly and sustain this for a long duration of time. Traditional network SA tools such as Snort [3], Nagios [4], or OpenNMS [5] present volumes of logs and graphs of data in a variety of forms. Over time, the stream of logs and scatter plots, bar charts, pie char ...
... amount of environmental information rapidly and sustain this for a long duration of time. Traditional network SA tools such as Snort [3], Nagios [4], or OpenNMS [5] present volumes of logs and graphs of data in a variety of forms. Over time, the stream of logs and scatter plots, bar charts, pie char ...
Internet Routing Protocols
... Multiple same-cost paths allowed (only one path in RIP) For each link, multiple cost metrics for different TOS (e.g., satellite link cost set “low” for best effort; high for real time) Integrated uni- and multicast support: Multicast OSPF (MOSPF) uses same topology data base as OSPF Hierarchical O ...
... Multiple same-cost paths allowed (only one path in RIP) For each link, multiple cost metrics for different TOS (e.g., satellite link cost set “low” for best effort; high for real time) Integrated uni- and multicast support: Multicast OSPF (MOSPF) uses same topology data base as OSPF Hierarchical O ...
Network Topology (Activity Guideline) – Set 1
... 1. What is Ring Topology? Each node is connected to exactly two other nodes, forming a ring. Can be visualized as a circular configuration. Requires at least three nodes. 2. How is Ring Topology Connected? In a ring network, each computer is connected directly to two other computers on the netwo ...
... 1. What is Ring Topology? Each node is connected to exactly two other nodes, forming a ring. Can be visualized as a circular configuration. Requires at least three nodes. 2. How is Ring Topology Connected? In a ring network, each computer is connected directly to two other computers on the netwo ...
(Low Rate Wireless Personal Area Network) Standard
... Uni-directional communication not supported All messages are acknowledged ...
... Uni-directional communication not supported All messages are acknowledged ...
Wireless LAN and IEEE 802.11
... points with which mobile nodes can communicate. Similar to cellular networks. Network access points may be connected to landlines to enhance the LAN’s capability by bridging wireless nodes to other wired nodes. ...
... points with which mobile nodes can communicate. Similar to cellular networks. Network access points may be connected to landlines to enhance the LAN’s capability by bridging wireless nodes to other wired nodes. ...
ppt
... • Knowledge: how the Internet works – IP protocol suite – Internet architecture – Applications (Web, DNS, P2P, …) ...
... • Knowledge: how the Internet works – IP protocol suite – Internet architecture – Applications (Web, DNS, P2P, …) ...
Ch 12 Connectivity - Cisco Networking Academy
... All users can access current files Can update information as needed Set up local e-mail Laptops can be attached and detached If away from office can dial in to network to access needed resources ...
... All users can access current files Can update information as needed Set up local e-mail Laptops can be attached and detached If away from office can dial in to network to access needed resources ...
downloading
... medium, the time required for the bit to propagate to the end of its physical trajectory • The velocity of propagation of the circuit depends mainly on the actual distance of the physical circuit • In the majority of cases this is close to the speed of light. For d = distance, s = propagation veloci ...
... medium, the time required for the bit to propagate to the end of its physical trajectory • The velocity of propagation of the circuit depends mainly on the actual distance of the physical circuit • In the majority of cases this is close to the speed of light. For d = distance, s = propagation veloci ...
Cisco Systems Networking Academy S2 C 11
... – sends out this LSA packet so that all other routers receive it. – when it receives an LSA packet, records the LSA packet in its database so that it updates the most recently generated LSA packet from each router. – completes a map of the internetwork by using accumulated LSA packet data and then c ...
... – sends out this LSA packet so that all other routers receive it. – when it receives an LSA packet, records the LSA packet in its database so that it updates the most recently generated LSA packet from each router. – completes a map of the internetwork by using accumulated LSA packet data and then c ...
NAME: Computer Science 461 Midterm Exam March 14, 2014
... b. Both IP routers and Ethernet hubs drop packets when there is congestion. c. Ethernet switches learn the location of hosts on their network by observing the frames they process. d. If an IP router doesn’t know the location of a destination IP address in a packet it receives, it will flood the pack ...
... b. Both IP routers and Ethernet hubs drop packets when there is congestion. c. Ethernet switches learn the location of hosts on their network by observing the frames they process. d. If an IP router doesn’t know the location of a destination IP address in a packet it receives, it will flood the pack ...
“Ukrainian Radio Systems” LTD
... The company is engaged in construction of hotels, business centers and plants. Over the years I have implemented the IT infrastructure at the Fairmont Grand Hotel Kiev (Network – Cisco, Data Centr – IBM, Interactive TV System - ; I designed and implemented a system of background music to the man ...
... The company is engaged in construction of hotels, business centers and plants. Over the years I have implemented the IT infrastructure at the Fairmont Grand Hotel Kiev (Network – Cisco, Data Centr – IBM, Interactive TV System - ; I designed and implemented a system of background music to the man ...
Networking - bu people
... Goal: Hide failures from user, i.e. provide some fault-tolerance Failure Types: based on the level the error occurs; bit level : single bit (bit error) or sequence of bits (burst error) corrupted Cause: typically outside forces – power surges, lightening, other transmission interference (occurs ra ...
... Goal: Hide failures from user, i.e. provide some fault-tolerance Failure Types: based on the level the error occurs; bit level : single bit (bit error) or sequence of bits (burst error) corrupted Cause: typically outside forces – power surges, lightening, other transmission interference (occurs ra ...
All Optical TAP Switch
... or a serial port console and can also be selected remotely via a Telnet console, any Web browser or an SNMP manager. The serial and TCP/IP connections also allow diagnostic and management data to be viewed such as port connect speeds, activity and duplex settings. Automated time-sequenced stepping b ...
... or a serial port console and can also be selected remotely via a Telnet console, any Web browser or an SNMP manager. The serial and TCP/IP connections also allow diagnostic and management data to be viewed such as port connect speeds, activity and duplex settings. Automated time-sequenced stepping b ...
Data Communication and terminologies 1. Data
... 3. In a packet-switched network, resources are allocated a) randomly b) on demand c) reserved already d) both a and c 4. Datagram switching is done at the a) network layer b) physical layer c) session layer d) data link layer 5. Setup, data transfer, and connection teardown are three phases of a) c ...
... 3. In a packet-switched network, resources are allocated a) randomly b) on demand c) reserved already d) both a and c 4. Datagram switching is done at the a) network layer b) physical layer c) session layer d) data link layer 5. Setup, data transfer, and connection teardown are three phases of a) c ...
Assume a machine for which a char takes 1 byte
... b. Both IP routers and Ethernet hubs drop packets when there is congestion. c. Ethernet switches learn the location of hosts on their network by observing the frames they process. d. If an IP router doesn’t know the location of a destination IP address in a packet it receives, it will flood the pack ...
... b. Both IP routers and Ethernet hubs drop packets when there is congestion. c. Ethernet switches learn the location of hosts on their network by observing the frames they process. d. If an IP router doesn’t know the location of a destination IP address in a packet it receives, it will flood the pack ...