Network Security CS 478/CIS 678
... • Basic Function: Concerned with physical interface between computer and network • concerned with issues like: – characteristics of transmission medium – signal levels – data rates – other related matters ...
... • Basic Function: Concerned with physical interface between computer and network • concerned with issues like: – characteristics of transmission medium – signal levels – data rates – other related matters ...
Linux+ Guide to Linux Certification
... Devices share responsibility for getting data from one point to another Terminators stop signals after reaching end of wire ...
... Devices share responsibility for getting data from one point to another Terminators stop signals after reaching end of wire ...
Network Security - University of Engineering and Technology
... typically connected to a private network with limited public-network access, that communicates ‘securely’ over a public network.” “A combination of tunneling, encryption, ...
... typically connected to a private network with limited public-network access, that communicates ‘securely’ over a public network.” “A combination of tunneling, encryption, ...
SYSTEM ADMINISTRATION Chapter 8 Internet Protocol (IP) Addressing
... the maximum number of hosts on any subnetwork. 2. Determine the number of bits to “steal” from the host bit portion of the IP address. Use the formula 2N – 2 = the maximum number of subnets available, where N = the number of bits to “steal.” 3. Build a new custom subnet mask to reflect the number of ...
... the maximum number of hosts on any subnetwork. 2. Determine the number of bits to “steal” from the host bit portion of the IP address. Use the formula 2N – 2 = the maximum number of subnets available, where N = the number of bits to “steal.” 3. Build a new custom subnet mask to reflect the number of ...
What hardware is needed to connect devices together
... different speeds are in separate collision domains}. {The 5-4-3 rule still applies unless connections between switched hubs are at a different speed than the host devices connected to the hubs.} 4.F) Switch/Bridge (OSI layer 2, DataLink/Ethernet Frame) isolates traffic between networks by filtering ...
... different speeds are in separate collision domains}. {The 5-4-3 rule still applies unless connections between switched hubs are at a different speed than the host devices connected to the hubs.} 4.F) Switch/Bridge (OSI layer 2, DataLink/Ethernet Frame) isolates traffic between networks by filtering ...
TCP/IP and the DoD Model
... Used by Cisco routers to designate the default route. Could also mean “any network.” ...
... Used by Cisco routers to designate the default route. Could also mean “any network.” ...
CompTIA Network+
... Backbones - The foundation of the LAN/WAN where the servers are linked together on a common series of concentration devices or that are just a few hops away. This gives the servers the most bandwidth to serve other devices including other servers. ...
... Backbones - The foundation of the LAN/WAN where the servers are linked together on a common series of concentration devices or that are just a few hops away. This gives the servers the most bandwidth to serve other devices including other servers. ...
Serverland Clean-up
... – Autonomous system is collection of networks under a common administration sharing a common routing strategy – Can also be thought of as a routing domain ...
... – Autonomous system is collection of networks under a common administration sharing a common routing strategy – Can also be thought of as a routing domain ...
17. Internet Network Layer
... Switches do not require upgrades to support IPv6 Unicast but will require upgrades to support IPv6 Multicast (MLDv2 snooping). ...
... Switches do not require upgrades to support IPv6 Unicast but will require upgrades to support IPv6 Multicast (MLDv2 snooping). ...
spoofed IP packets
... equal to that of the attacked system and a broadcast destination address are sent to the intermediate network. • Sending a ICMP Echo Request to a broadcast address triggers all hosts included in the network to respond with an ICMP response packet, thus creating a large mass of packets which are rout ...
... equal to that of the attacked system and a broadcast destination address are sent to the intermediate network. • Sending a ICMP Echo Request to a broadcast address triggers all hosts included in the network to respond with an ICMP response packet, thus creating a large mass of packets which are rout ...
Document
... summarize info about an area and (2) send info amongst areas • A special area called the backbone is used to tie together all of the areas – backbone is primary area and all other areas are secondary areas – backbone area uses backbone routers ...
... summarize info about an area and (2) send info amongst areas • A special area called the backbone is used to tie together all of the areas – backbone is primary area and all other areas are secondary areas – backbone area uses backbone routers ...
transport layer
... • In order to efficiently use their IP address space, networks no longer give fixed addresses to clients. • Instead, they use dynamic addressing, giving addresses to clients only when they are logged in to a network. • A small ISP, for example, might only need to assign 500 IP addresses to clients a ...
... • In order to efficiently use their IP address space, networks no longer give fixed addresses to clients. • Instead, they use dynamic addressing, giving addresses to clients only when they are logged in to a network. • A small ISP, for example, might only need to assign 500 IP addresses to clients a ...
Chapter 5
... • In order to efficiently use their IP address space, networks no longer give fixed addresses to clients. • Instead, they use dynamic addressing, giving addresses to clients only when they are logged in to a network. • A small ISP, for example, might only need to assign 500 IP addresses to clients a ...
... • In order to efficiently use their IP address space, networks no longer give fixed addresses to clients. • Instead, they use dynamic addressing, giving addresses to clients only when they are logged in to a network. • A small ISP, for example, might only need to assign 500 IP addresses to clients a ...
Chapter 15 Local Area Network Overview
... • Order of magnitude increase in performance compared to software-based router • Flow-based switch tries to enhance performance by identifying flows of IP packets —Same source and destination —Done by observing ongoing traffic or using a special flow label in packet header (IPv6) ...
... • Order of magnitude increase in performance compared to software-based router • Flow-based switch tries to enhance performance by identifying flows of IP packets —Same source and destination —Done by observing ongoing traffic or using a special flow label in packet header (IPv6) ...
26-Voice-over
... simultaneous users? option 2: store/serve multiple copies of videos at multiple geographically distributed sites (CDN) enter deep: push CDN servers deep into many access networks • close to users • used by Akamai, 1700 locations ...
... simultaneous users? option 2: store/serve multiple copies of videos at multiple geographically distributed sites (CDN) enter deep: push CDN servers deep into many access networks • close to users • used by Akamai, 1700 locations ...
Review for Quiz-1 - Georgia Institute of Technology
... network core – network core devices do not run user application code – application on end systems allows for rapid app development, propagation ...
... network core – network core devices do not run user application code – application on end systems allows for rapid app development, propagation ...
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... • Upon receiving a packet – Inspect the desPnaPon address in the header – Index into the table – Determine the outgoing interface – Forward the packet out that interface ...
... • Upon receiving a packet – Inspect the desPnaPon address in the header – Index into the table – Determine the outgoing interface – Forward the packet out that interface ...
Chapter 15 Local Area Network Overview
... • Order of magnitude increase in performance compared to software-based router • Flow-based switch tries to enhance performance by identifying flows of IP packets —Same source and destination —Done by observing ongoing traffic or using a special flow label in packet header (IPv6) ...
... • Order of magnitude increase in performance compared to software-based router • Flow-based switch tries to enhance performance by identifying flows of IP packets —Same source and destination —Done by observing ongoing traffic or using a special flow label in packet header (IPv6) ...
William Stallings Data and Computer Communications 7
... • Order of magnitude increase in performance compared to software-based router • Flow-based switch tries to enhance performance by identifying flows of IP packets —Same source and destination —Done by observing ongoing traffic or using a special flow label in packet header (IPv6) ...
... • Order of magnitude increase in performance compared to software-based router • Flow-based switch tries to enhance performance by identifying flows of IP packets —Same source and destination —Done by observing ongoing traffic or using a special flow label in packet header (IPv6) ...
O A RIGINAL RTICLES
... It leads to network partitions and most of the times some packets get lost. The data packets are routed through intermediate nodes. Ad-hoc network has such essential functions like packet forwarding, routing and network management that are carried out by all existing nodes. According to the current ...
... It leads to network partitions and most of the times some packets get lost. The data packets are routed through intermediate nodes. Ad-hoc network has such essential functions like packet forwarding, routing and network management that are carried out by all existing nodes. According to the current ...
Metro Ethernet - Blog of FX Ari Wibowo
... Resiliency: pure Ethernet network resiliency relies on STP or RSTP (30 to 1 sec convergence) while MPLS-based MANs use MPLS-based mechanism Multiprotocol convergence: with the maturity on pseudowires standards (ATM VLL, FR VLL, etc.) an MPLS-based Metro Ethernet can backhaul not only IP/Ethernet ...
... Resiliency: pure Ethernet network resiliency relies on STP or RSTP (30 to 1 sec convergence) while MPLS-based MANs use MPLS-based mechanism Multiprotocol convergence: with the maturity on pseudowires standards (ATM VLL, FR VLL, etc.) an MPLS-based Metro Ethernet can backhaul not only IP/Ethernet ...