File - IT Essentials Pc: Hardware/ software
... 6. Explain what is Phishing and give an example: Phishing is where the attacker pretends to represent a legitimate outside organization, such as a bank. 7. How is a virus transferred to another computer? email, file transfers, and instant messaging. 8. Explain how does a virus typically work? The v ...
... 6. Explain what is Phishing and give an example: Phishing is where the attacker pretends to represent a legitimate outside organization, such as a bank. 7. How is a virus transferred to another computer? email, file transfers, and instant messaging. 8. Explain how does a virus typically work? The v ...
PPT
... datagrams that can be sent without waiting for approval is called the window, and the window field tells how many bytes may be sent beyond the byte being acknowledged by this datagram. TCP will adjust the size of the window depending on the success of the IP layer in sending datagrams; the more reli ...
... datagrams that can be sent without waiting for approval is called the window, and the window field tells how many bytes may be sent beyond the byte being acknowledged by this datagram. TCP will adjust the size of the window depending on the success of the IP layer in sending datagrams; the more reli ...
subscription services brief
... ADTRAN offers the broadest range of enterprise class solutions available as a service for all your customers’ network needs. Combined with the powerful features included in our network management, you can help your customers address today’s highest networking priorities. Our network management capab ...
... ADTRAN offers the broadest range of enterprise class solutions available as a service for all your customers’ network needs. Combined with the powerful features included in our network management, you can help your customers address today’s highest networking priorities. Our network management capab ...
course-file-web
... When you want to communicate with another person, you need to have two things in common: a communication language and a communication medium. Computer networks are no different; for communication to take place on a network composed of a variety of different network devices, both the language and med ...
... When you want to communicate with another person, you need to have two things in common: a communication language and a communication medium. Computer networks are no different; for communication to take place on a network composed of a variety of different network devices, both the language and med ...
ppt - EECS Instructional Support Group Home Page
... • Idea: when storing state in a distributed system, keep it co-located with the entities that ultimately rely on the state • Fate-sharing is a technique for dealing with failure – Only way that failure can cause loss of the critical state is if the entity that cares about it also fails ... – … in wh ...
... • Idea: when storing state in a distributed system, keep it co-located with the entities that ultimately rely on the state • Fate-sharing is a technique for dealing with failure – Only way that failure can cause loss of the critical state is if the entity that cares about it also fails ... – … in wh ...
ch16distributed_systems
... Pinging mumwww.gs.umt.edu [10.10.4.102] with 32 bytes of data: Reply from 10.10.4.102: bytes=32 time<1ms TTL=126 Reply from 10.10.4.102: bytes=32 time<1ms TTL=126 Reply from 10.10.4.102: bytes=32 time<1ms TTL=126 Reply from 10.10.4.102: bytes=32 time<1ms TTL=126 ...
... Pinging mumwww.gs.umt.edu [10.10.4.102] with 32 bytes of data: Reply from 10.10.4.102: bytes=32 time<1ms TTL=126 Reply from 10.10.4.102: bytes=32 time<1ms TTL=126 Reply from 10.10.4.102: bytes=32 time<1ms TTL=126 Reply from 10.10.4.102: bytes=32 time<1ms TTL=126 ...
SolarWinds Technical Reference
... internationally represented standards body founded in the late 1940’S. The IOS created the Open Systems Interconnection (OSI) model to describe the very complex task of moving computer data from something you understand on a monitor, to bits on a wire, and back to readable data on a remote system. A ...
... internationally represented standards body founded in the late 1940’S. The IOS created the Open Systems Interconnection (OSI) model to describe the very complex task of moving computer data from something you understand on a monitor, to bits on a wire, and back to readable data on a remote system. A ...
Chapter 5
... Every computer on the internet has an IP address (similar to a telephone number) and it is able to exchange data directly with other computers by “dialing” the computer’s address The Internet uses packet switching concept where data sent are divided into smaller units known as packets Each unit of p ...
... Every computer on the internet has an IP address (similar to a telephone number) and it is able to exchange data directly with other computers by “dialing” the computer’s address The Internet uses packet switching concept where data sent are divided into smaller units known as packets Each unit of p ...
Firewalls and Virtual Private Networks
... sender and a receiver over a public non-secure network such as the Internet. A secure connection is generally associated with private networks. (A private network is a network that is owned, or at least controlled via leased lines, by an organization.) Using the techniques discussed later in this ch ...
... sender and a receiver over a public non-secure network such as the Internet. A secure connection is generally associated with private networks. (A private network is a network that is owned, or at least controlled via leased lines, by an organization.) Using the techniques discussed later in this ch ...
Skype Network - National Taiwan University
... Guarantee to find a user if it exits and has logged in during the last 72 hours SC sent a TCP packet to its SN SN gave SC the IP:Port of 4 nodes to query If it could not find the user, it informed the SN over TCP It appears that the SN now asked it to contact 8 different nodes This process conti ...
... Guarantee to find a user if it exits and has logged in during the last 72 hours SC sent a TCP packet to its SN SN gave SC the IP:Port of 4 nodes to query If it could not find the user, it informed the SN over TCP It appears that the SN now asked it to contact 8 different nodes This process conti ...
The Motorola Netopia® 3347-42 ADSL2+ High
... either PSTN or VoIP call. Service providers can also define dial plans to automatically route calls over either PSTN or VoIP to allow optimization of enduser billing. The 3347-42 Voice IAD Gateways are an intelligent way to communicate converging voice and data on one network. They enable: ...
... either PSTN or VoIP call. Service providers can also define dial plans to automatically route calls over either PSTN or VoIP to allow optimization of enduser billing. The 3347-42 Voice IAD Gateways are an intelligent way to communicate converging voice and data on one network. They enable: ...
chapter4d
... IP Addressing IP address: network part (high order bits) host part (low order bits) What’s a network ? (from IP address perspective) device interfaces with same network part of IP address can physically reach each other without intervening router ...
... IP Addressing IP address: network part (high order bits) host part (low order bits) What’s a network ? (from IP address perspective) device interfaces with same network part of IP address can physically reach each other without intervening router ...
Assignment #4 - comp
... 5. Both TCP and UDP use end-to-end checksum to detect errors that escape from error detection from the lower layers (IP and data-link) and errors occurred to the packets while residing in router buffers. Consider the following TCP connection that spans across three data-link networks. Each data-link ...
... 5. Both TCP and UDP use end-to-end checksum to detect errors that escape from error detection from the lower layers (IP and data-link) and errors occurred to the packets while residing in router buffers. Consider the following TCP connection that spans across three data-link networks. Each data-link ...
IP Multicast and Multicast Reliability
... Senders need not be group members Each group has a “group address” Groups can have any size; End-stations (receivers) can join/leave at will Data Packets are UDP (uh oh!) ...
... Senders need not be group members Each group has a “group address” Groups can have any size; End-stations (receivers) can join/leave at will Data Packets are UDP (uh oh!) ...
Assessment of the Internet Protocol Routing in Space—Joint Capability Technology Demonstration
... • Higher data throughputs from small terminals, in comparison with those on bent-pipe satellites, achieved by the higher carrier-to-noise ratio afforded by the onboard router’s signal regeneration capability The envisioned future IRIS architecture contains a full complement of space-based network n ...
... • Higher data throughputs from small terminals, in comparison with those on bent-pipe satellites, achieved by the higher carrier-to-noise ratio afforded by the onboard router’s signal regeneration capability The envisioned future IRIS architecture contains a full complement of space-based network n ...
Social Order and Network Security. Exploratory Research on TOR
... 2005). With the creation of the global communication grid and worldwide financial structure, the borderline between separate totalities began to erode (Giddens, 2004). Global communication network is however, as described previously, scattered and not coherent. Various regulations apply in different ...
... 2005). With the creation of the global communication grid and worldwide financial structure, the borderline between separate totalities began to erode (Giddens, 2004). Global communication network is however, as described previously, scattered and not coherent. Various regulations apply in different ...
MINI-LINK TN - Relink Networks
... experience. Over 1.7 million radio units have been delivered to more than 150 countries. MINI-LINK TN is produced in the world’s largest microwave production facility and is renowned for its reliability. Ericsson is the market leader in microwave transmission. MINI-LINK TN is a unique microwave tran ...
... experience. Over 1.7 million radio units have been delivered to more than 150 countries. MINI-LINK TN is produced in the world’s largest microwave production facility and is renowned for its reliability. Ericsson is the market leader in microwave transmission. MINI-LINK TN is a unique microwave tran ...
IEEE 802.15.4 - MICREL - Università di Bologna
... and has not been altered in any way. Availability - Ensure that a system can accurately perform it’s intended purpose and is accessible to those who are authorized to use it. Confidentiality - Ensure that information is only disclosed to those who are authorized to see it. ...
... and has not been altered in any way. Availability - Ensure that a system can accurately perform it’s intended purpose and is accessible to those who are authorized to use it. Confidentiality - Ensure that information is only disclosed to those who are authorized to see it. ...
Review for Quiz-1 - Georgia Institute of Technology
... • no connection establishment (which can add delay) • simple: no connection state at sender, receiver • small segment header • no congestion control: UDP can blast away as fast as desired • Single thread and socket for each local server port number. ...
... • no connection establishment (which can add delay) • simple: no connection state at sender, receiver • small segment header • no congestion control: UDP can blast away as fast as desired • Single thread and socket for each local server port number. ...
Network Layer
... To announce timeouts If a packet’s TTL field drops to zero, ICMP Time Exceeded Message is sent to the source host - used by traceroute Network Layer ...
... To announce timeouts If a packet’s TTL field drops to zero, ICMP Time Exceeded Message is sent to the source host - used by traceroute Network Layer ...
Metasys System Extended Architecture Glossary Technical Bulletin
... IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 IT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Imperial Uni ...
... IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 IT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Imperial Uni ...
Virtual Private Network
... • ESP sets up a network access server (NAS) and provides the remote users with desktop client software for their computers. The telecommuters can then dial a toll-free number to reach the NAS and use their VPN client software to access the corporate network ...
... • ESP sets up a network access server (NAS) and provides the remote users with desktop client software for their computers. The telecommuters can then dial a toll-free number to reach the NAS and use their VPN client software to access the corporate network ...
CDW White Paper - WAN Optimization
... Without Decryption All types of applications have been including Secure Sockets Layer (SSL) encryption as a default, even within enterprise networks. Security teams have been pushing for higher end-to-end security for decades, and application development and system performance are finally catching u ...
... Without Decryption All types of applications have been including Secure Sockets Layer (SSL) encryption as a default, even within enterprise networks. Security teams have been pushing for higher end-to-end security for decades, and application development and system performance are finally catching u ...