INSY-3303 FINAL EXAM STUDY GUIDE WITH COMPLETE SOLUTIONS

INSY-3303 FINAL EXAM STUDY GUIDE WITH COMPLETE SOLUTIONS Access Point - Answer- The computer or network device that serves an as interface between devices and the network Application Architecture - Answer- The way in which the functions of the applications layer software are spread among the clients and servers in the network Attenuation - Answer- Loss of power in a signal as it travels from the sending device to the receiving device BN - Answer- Known as Backbone Network Routed backbones - move packets along the backbone on the basis of their network layer address, commonly used to connect different buildings on same enterprise Switched backbones - most common type of BN, used in the distribution layer of buildings Baselining - Answer- Applications that will use the network and identify the location of each, which the information is added to the emerging network documentation Building Network - Answer- Known as the distribution layer Distributes network traffic to and from LANs Campus Network - Answer- Known as the core layer Connects all buildings on campus, usually faster Circuit Loading - Answer- Amount of data transmitted on a circuit Content Caching - Answer- Storing other people's Web data that is closer to your users Content Delivery - Answer- Storing content for your Web sites on the content delivery provider's servers spread around the Internet to reduce traffic on your Internet connection. The content delivery provider's servers contain the static content on your pages such as banners and graphics files. Software on your Web server locates the nearest content delivery server to the user (based on his or her IP address) and changes the references on your Web pages to draw the static content from that server. Content delivery was pioneered by Akamai, which is one of the leading content delivery services on the Internet. CPE - Answer- Customer Premises Equipment - device resides at customer site (connects w/ MPLS service provider) Data Flow - Answer- The movement of data among processes, stores, sources, and destinations Simplex - one way transmission, radios and TV Half-Duplex - two way transmission, but only in one direction at a time Full-Duplex - transmit in both directions simultaneously Dedicated-Circuit - Answer- A circuit that runs from a breaker box to specific outlets. ESP - Answer- Encapsulating Security Payload A header used to provide a mix of security services in IP4 and IP6. ESP can be used alone or in combination with the IP authentication header (AH) Forwarding Table - Answer- Table lists the Ethernet address of the computer connected to each port on the switch. FTTH - Answer- Fiber to the home Running fiber optic cables into your home Intermodulation noise - Answer- Special type of cross-talk. The signals from two circuits combine to form a new signal that falls into a frequency band reserved for another signal. Internet Exchange Points - Answer- ISPs exchange data at Internet exchange points (IXPs) ISP Tiers - Answer- Tier 1 - backbone of the Internet, interconnect wi