Ism 4220 - Study guides, Class notes & Summaries

Netflix uses _______ servers to reduce network utilization during content delivery correct answers Cache Netflix uses _______ CSP services for transcoding correct answers Amazon AWS Virtualization is using a single set of resources of functions as _______ correct answers several servers or multiple computers The advantage of virtualization is _______ correct answers flexibility/agility CSP's that offer IaaS services are providing _______ correct answers servers Office 354 is an e...

TCP/IP correct answers Tranmission Control Protocol / Internet Protocol Most Common Efficient & error free Transport Layer correct answers (Process to Process) Link application layer to network Segmenting: break long message into smaller Network Layer correct answers (Host to host, source to destination) Routing: determine next computer to which message should be sent Addressing: find address of next computer Which application layer program to send message to? correct answers Port...

Business Data Communications correct answers movement of information from one computer application to another computer application Packetization correct answers the process of breaking down user data into small segments so they can be delivered and reassembled across the network. Why is packetization useful in business data communication? correct answers They eliminates single points of failure in data communication systems and are easy to transport. Why is Internet traffic considered ...

Internet Service Provider (ISP) correct answers Carrier that provides Internet access and transmission. Host correct answers Any device attached to a network Internet Assigned Numbers Authority (IANA) correct answers The organization that allocates blocks of IP addresses to regional assigned number authorities for distribution to organizations and Internet service providers. Internet Engineering Task Force (IETF) correct answers An organization that develops and promotes Internet standa...

larger servers, small desktops, laptops, netbooks, smartphones are all ___. correct answers hosts any device attached to a network is a correct answers host ______ are the only thing users care about. correct answers applications a system that permits networked applications running on different hosts to work together correct answers network applications that require a network to function correct answers networked applications Networked applications from the 1970s correct answers e...

The delay in the delivery of packets across a network is known as _____ correct answers latency Do SLA agreements function on best-case, worst-case, or averages? correct answers Worst-case Are the same SLAs offered to individuals and corporate users alike? correct answers No Firewalls work on ____ while anti virus works on ____ correct answers Packets; Files What is the best way to prevent traffic spikes from impacting critical traffic? correct answers QoS reserved capacity As the...

What type of organizational structure is used to process IP addresses? correct answers Hierarchical addressing When TCP transmission comes to an abrupt close, What kind of packet is sent? correct answers RST In the IP header, where is the version located? correct answers first field As a network administrator, what would you use the subnet portion of your IP range for? correct answers group host in a meaningful way What field of the received frame is the acknowledgement number based ...

Who is responsible for network security? correct answers everyone What are the usual suspects for a breach? correct answers Compromised hardware social engineering rogue employees security is a ____ not a ____ correct answers process not a product Kill Chain Analysis correct answers Looking at all the events that need to happen to successfully attack. If any link in the kill chain is broken, the attack will fail. Threat environment correct answers consists of the types of attacks t...

Of the address types that we studied, what type of address is 128 bits in length correct answers IPv6 Why is the first field in all IP packets the version ID? correct answers to know how to read the headers properly What type of organizational structure is used to process IP addresses? correct answers Hierarchical Addressing How long is an IPv6 address? correct answers 128 bits The organization IANA is responsible for assigning correct answers IP address When a TCP transmission co...

ARPANET correct answers The Internet has its roots in a network that became functional in 1969, linking scientific and academic researchers across the United States. - The internet grew out of this research network funded by the Defense Advanced Research Projects Agency (DARPA). DARPA funded it to explore the then-new technology of packet switching (now called frame switching). - Had 4 sites, all research centers and schools, each site had a switch called an interface message processor (IMP)....