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CIS 246 Final Exam New Work

  • CIS 246 Final Exam New Work
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CIS 246 Final Exam NEW

Question 1.                         
(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.
IETF
IANA
ISP
ITU
Question 2.                         
(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)
Question 3.       
(TCO 5) At the customer’s demarcation point, either inside or outside the building, T-carrier wire pairs terminate with a _____.
terminal adapter
smart jack
CSU/DSU
switch
Question 4
(TCO 1) _____ is the means through which data is transmitted and received.
Spam
The network adapter
Transmission media
NOS
Question 5.       
(TCO 12) _____ messaging is a service that makes several forms of communication available from a single user interface.
Unified
Instant
Diversified
Open
Question 6.       
(TCO 12) _____ is the use of one network to simultaneously carry voice, video, and data communications.
Multicasting
Unicasting
Divergence
Convergence
Question 7.
(TCO 5) The portion of the PSTN that connects any residence or business to the nearest CO is known as the _____.
demarcation point
network interface unit (NIU)
local loop
central office
Question 8.       
(TCO 2) The top, or seventh, layer of the OSI model is the _____ layer.
application
session
transport
network
Question 9.       
(TCO 6) _____ software searches a node for open ports.
Phishing
Sniffing
Authentication
Port scanner
Question 10.     
(TCO 6) A program that disguises itself as something useful but actually harms your system is called a _____.
virus
worm
bot
Trojan horse
Question 11.                      
(TCO 6) _____ is a method of encrypting TCP/IP transmissions.
PGP
IPSec
PAP
SSL
Question 12.                      
(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
PC cards
Hubs
Bridges
Question 13.    
(TCO 11) _____ satellites are the type used by the most popular satellite Internet access service providers.
Transponder
Medium Earth-orbiting
Low Earth-orbiting
Geosynchronous-orbiting
Question 14.    
(TCO 1) _____ coordinate the storage and transfer of e-mail between users on a network.
Print services
Mail services
LANs
Hosts
Question 15.    
(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.
ipconfig
iwconfig
iconfig
ivconfig
Question 16.    
(TCO 11) In _____, a wireless signal splits into secondary waves when it encounters an obstruction.
reflection
scattering
diffraction
bounce back
Question 17.    
(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.
application
network
transport
data link
Question 18.    
(TCO 4) _____ automatically calculates the best path between two nodes and updates this information in a routing table.
Dynamic routing
Static routing
Border routing
Modular routing
(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.

 

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