CIS 246 Final Exam New Work
CIS 246 Final Exam NEW
(TCO 2) The _____ is a specialized United Nations agency that regulates international telecommunications, including radio and TV frequencies, satellite and telephony specifications, networking infrastructure, and tariffs applied to global communications.
(TCO 12) When using an analog telephone, a VoIP adapter that performs analog-to-digital conversion is known as a(n) _____.
VTA (voice telephone adapter)
ATA (analog telephone adapter)
DTA (digital telephone adapter)
DTA (data telephone adapter)
(TCO 5) At the customer’s demarcation point, either inside or outside the building, T-carrier wire pairs terminate with a _____.
(TCO 1) _____ is the means through which data is transmitted and received.
The network adapter
(TCO 12) _____ messaging is a service that makes several forms of communication available from a single user interface.
(TCO 12) _____ is the use of one network to simultaneously carry voice, video, and data communications.
(TCO 5) The portion of the PSTN that connects any residence or business to the nearest CO is known as the _____.
network interface unit (NIU)
(TCO 2) The top, or seventh, layer of the OSI model is the _____ layer.
(TCO 6) _____ software searches a node for open ports.
(TCO 6) A program that disguises itself as something useful but actually harms your system is called a _____.
(TCO 6) _____ is a method of encrypting TCP/IP transmissions.
(TCO 4) _____ are devices that connect two network segments by analyzing incoming frames and making decisions about where to direct them based on each frame's MAC address.
Multistation access units
(TCO 11) _____ satellites are the type used by the most popular satellite Internet access service providers.
(TCO 1) _____ coordinate the storage and transfer of e-mail between users on a network.
(TCP 11) _____ is a command-line function for viewing and setting wireless interface parameters and it is common to nearly all versions of Linux and UNIX.
(TCO 11) In _____, a wireless signal splits into secondary waves when it encounters an obstruction.
(TCO 2) The primary function of protocols in the _____ layer is to divide data they receive from the network layer into distinct frames that can then be transmitted by the physical layer.
(TCO 4) _____ automatically calculates the best path between two nodes and updates this information in a routing table.
(TCO 3) You have an office that is less than 100 meters from end to end. You need about 80 office PCs that need connectivity to printers and the Internet. You need about five PCs that will transfer large graphics files. Yes, this question is somewhat vague because no specific data transfer rates are given. You can state your own assumptions. What are some transmission methods, networking media, and networking hardware that could be used? Compare and contrast different approaches.
(TCO 8) Your company is creating a sophisticated application that needs to transmit data across the Internet. You have decided that the best approach is to use TCP over UDP. Compare and contrast the use of TCP and UDP and why TCP is better. You can make up the requirements of the application as you see fit.
(TCO 13) Briefly describe the term remote virtual computing.
(TCO 2) _____ is an international society composed of engineering professionals with a goal to improve development and education in the electrical engineering and computer science fields.