cs516 midterm solution
... The following questions deal with broadcasting protocols used in LANs. (a) What is the main difference between the Aloha protocols and CSMA protocols? [2 marks] [1 mark for each] z Aloha does not sense carrier and simply transmits whenever it has data z CSMA senses carrier (listens if the medium is ...
... The following questions deal with broadcasting protocols used in LANs. (a) What is the main difference between the Aloha protocols and CSMA protocols? [2 marks] [1 mark for each] z Aloha does not sense carrier and simply transmits whenever it has data z CSMA senses carrier (listens if the medium is ...
Understanding Networking
... serve contents (such as Web pages). • Gateway nodes are computers that control traffic within your company’s network or at your local internet service provider (ISP) ...
... serve contents (such as Web pages). • Gateway nodes are computers that control traffic within your company’s network or at your local internet service provider (ISP) ...
Jaden Terry CIS 280 Final Network Security From browsing the
... this event push users away from the PlayStation and affected the business in the long run. Finally, Operation Shady RAT was a recent hack against the government that siphoned off data from government computers. This happened by using what is ...
... this event push users away from the PlayStation and affected the business in the long run. Finally, Operation Shady RAT was a recent hack against the government that siphoned off data from government computers. This happened by using what is ...
Competencies for ITNW 2413.doc
... • Explain the characteristics associated with auto negotiation on Ethernet networks Describe the concepts of switching in an Ethernet network • Compare and contrast collision and broadcast domains. Explain how networks can be segmented • Demonstrate knowledge of all aspects of IP addressing • De ...
... • Explain the characteristics associated with auto negotiation on Ethernet networks Describe the concepts of switching in an Ethernet network • Compare and contrast collision and broadcast domains. Explain how networks can be segmented • Demonstrate knowledge of all aspects of IP addressing • De ...
The Edge of Smartness - University of Calgary
... • Putting new functionality in a “smart edge” device seems like a logical choice, for reasons of performance, functionality, efficiency, security • What is meant by “smart”? – Interconnected: one or more networks; define basic information units; awareness of location/context – Instrumented: suitably ...
... • Putting new functionality in a “smart edge” device seems like a logical choice, for reasons of performance, functionality, efficiency, security • What is meant by “smart”? – Interconnected: one or more networks; define basic information units; awareness of location/context – Instrumented: suitably ...
Commonly used techniques to “solve” reliability
... compression algorithms, coding schemes, the presence of protocols for security, data recovery, re-transmission, etc., and the ability of applications to adapt to network congestion. • However, network providers need performance metrics that they can agree with their peers (when exchanging traffic), ...
... compression algorithms, coding schemes, the presence of protocols for security, data recovery, re-transmission, etc., and the ability of applications to adapt to network congestion. • However, network providers need performance metrics that they can agree with their peers (when exchanging traffic), ...
Business Data Communications and Networking
... A group of microcomputers or other workstation devices located in the same general area and connected by a common circuit. Covers a clearly defined small area, such as within or between a few buildings, Support data rates of 10 to 100 million bits per ...
... A group of microcomputers or other workstation devices located in the same general area and connected by a common circuit. Covers a clearly defined small area, such as within or between a few buildings, Support data rates of 10 to 100 million bits per ...
Ans.Tutorial#2
... d. Updating and maintenance of routing tables 13. Which of the following is an application layer service? a. Remote log-in b. File transfer and access c. Mail service d. All the above ...
... d. Updating and maintenance of routing tables 13. Which of the following is an application layer service? a. Remote log-in b. File transfer and access c. Mail service d. All the above ...
Slide 1
... – No call setup – More reliable (can route around failed nodes or congestion) • Virtual circuit – Fixed route established before any packets sent – No need for routing decision for each packet at each node ...
... – No call setup – More reliable (can route around failed nodes or congestion) • Virtual circuit – Fixed route established before any packets sent – No need for routing decision for each packet at each node ...
Questions from CIS410 Section 2
... 16. InterNIC is responsible for registering your _____name. a. First b. Last c. Domain d. All the above 17. A ____can listen to a network and identify which parts are the busiest It uses this info in determining which path to send data over. a. Router b. NICcard c. Notebook d. Non of the above 18. M ...
... 16. InterNIC is responsible for registering your _____name. a. First b. Last c. Domain d. All the above 17. A ____can listen to a network and identify which parts are the busiest It uses this info in determining which path to send data over. a. Router b. NICcard c. Notebook d. Non of the above 18. M ...
Ping, traceroute, etc.
... • A computer that is connected to a TCP/IP network, including the Internet. • Each host has a unique IP address. – A computer may always have the same address or may have a different address each time it connects to the networks – Two computers on the same network or internet at the same time should ...
... • A computer that is connected to a TCP/IP network, including the Internet. • Each host has a unique IP address. – A computer may always have the same address or may have a different address each time it connects to the networks – Two computers on the same network or internet at the same time should ...
Discovery service
... Originally developed to support simple widearea applications (ftp, e-mail). Scaled up very well to support more sophisticated distributed applications. Standardization of TCP/IP. ...
... Originally developed to support simple widearea applications (ftp, e-mail). Scaled up very well to support more sophisticated distributed applications. Standardization of TCP/IP. ...
Comprehensive Security Protection for
... allowing hackers to easily access key information assets (such as user accounts and passwords), obtain confidential data, and eavesdrop on voice and video calls. In the Huawei eSpace UC2.0 solution, all components that use SIP signaling in interaction must support SIP Transport Layer Security (TLS) ...
... allowing hackers to easily access key information assets (such as user accounts and passwords), obtain confidential data, and eavesdrop on voice and video calls. In the Huawei eSpace UC2.0 solution, all components that use SIP signaling in interaction must support SIP Transport Layer Security (TLS) ...
Internet 0: Interdevice Internetworking - Publications
... communicate their own state. In the Media House, each switch was responsible for keeping track of the things that it controlled, and each light for the switches that it listened to. Servers could add value to the network, aggregating data and implementing more complex control functions, but they wer ...
... communicate their own state. In the Media House, each switch was responsible for keeping track of the things that it controlled, and each light for the switches that it listened to. Servers could add value to the network, aggregating data and implementing more complex control functions, but they wer ...
Emerging Wireless Internet Standards
... Critical system using Internet protocols Connect passenger’s mobile and portable devices ...
... Critical system using Internet protocols Connect passenger’s mobile and portable devices ...
Securing rendezvous process in PURSUIT
... • Having strong per-packet signatures allows PLA to be used for several other applications • Sequence number can be used for secure per-packet and per-bandwidth billing • Securing higher level protocols such as MIH (media independent handover) without excessive signalling • Controlling incoming conn ...
... • Having strong per-packet signatures allows PLA to be used for several other applications • Sequence number can be used for secure per-packet and per-bandwidth billing • Securing higher level protocols such as MIH (media independent handover) without excessive signalling • Controlling incoming conn ...
VOIP Reports.pdf - 123SeminarsOnly.com
... VoIP Gateway in each office and connecting it to the office legacy PBX and to the data network, employees use the data network for ...
... VoIP Gateway in each office and connecting it to the office legacy PBX and to the data network, employees use the data network for ...
slides - network systems lab @ sfu
... networks for individual application sessions resource reservation: routers maintain state info of allocated resources, QoS req’s admit/deny new call setup requests: Question: can newly arriving flow be admitted with performance guarantees while not violated QoS guarantees made to already admitte ...
... networks for individual application sessions resource reservation: routers maintain state info of allocated resources, QoS req’s admit/deny new call setup requests: Question: can newly arriving flow be admitted with performance guarantees while not violated QoS guarantees made to already admitte ...
A(t)
... Because the buffer absorbs temporary bursts, the egress link need not operate at rate N.R. But the buffer has finite size, B, so losses will occur. ...
... Because the buffer absorbs temporary bursts, the egress link need not operate at rate N.R. But the buffer has finite size, B, so losses will occur. ...
Internet Telephony
... admission of network traffic from outside a given administrative domain Bandwidth control: Setting the maximum capacity of data transfer capacity of a digital communications system that a service is allowed to use Gatekeeper: a service which provides zone management in the VoIP environment Internet ...
... admission of network traffic from outside a given administrative domain Bandwidth control: Setting the maximum capacity of data transfer capacity of a digital communications system that a service is allowed to use Gatekeeper: a service which provides zone management in the VoIP environment Internet ...
Congestion Control Outline: Queuing Discipline
... Objective: adjust to changes in the available capacity • New state variable per connection: CongestionWindow – set by source to limit number of packets in transit • Recall, FlowCtrl AdvertisedWindow = # of packets destination can still buffer) MaxWin = MIN( CongestionWindow, AdvertisedWindow ) EffWi ...
... Objective: adjust to changes in the available capacity • New state variable per connection: CongestionWindow – set by source to limit number of packets in transit • Recall, FlowCtrl AdvertisedWindow = # of packets destination can still buffer) MaxWin = MIN( CongestionWindow, AdvertisedWindow ) EffWi ...
Session 2B
... • Ports (like TCP) • Length, Checksum, Data – no sequencing or acknowledgment structure – error handling left to applications protocol ...
... • Ports (like TCP) • Length, Checksum, Data – no sequencing or acknowledgment structure – error handling left to applications protocol ...
pdf
... Is a socket between IP addresses the right abstraction? Mobile hosts? § Replicated services? ...
... Is a socket between IP addresses the right abstraction? Mobile hosts? § Replicated services? ...
