CSIS 330 Quiz 1 Liberty University answers complete solutions; (Version 1) 2019/2020.

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CSIS 330 Quiz 1 Liberty University CSIS 330 Quiz 1 • Question 1 1 out of 1 points ____________________________ occurs when the fiber-optic media are not precisely aligned to one another whe ... n joined. • Question 2 1 out of 1 points What is the purpose of cladding in fiber-optic cables? • Question 3 1 out of 1 points What happens if the CSMA process fails and two devices transmit at the same time, creating a data collision? • Question 4 1 out of 1 points Which Wi-Fi standard operates in the 2.4-GHz frequency band and offers speeds of up to 54 Mbps? • Question 5 1 out of 1 points In which type of industry is fiber optic being used to provide always-on broadband services to homes and small businesses? • Question 6 The more dispersion there is in a fiber-optic cable, the less the loss in signal strength and the greater the effective distance of the signal over the fiber. • Question 7 1 out of 1 points The ___________________ topology is the most common physical LAN topology. • Question 8 1 out of 1 points Which of the following items do not comprise the physical components addressed in physical layer standards? • Question 9 1 out of 1 points A wireless device will experience degradation in performance based on its distance to a wireless access point. • Question 10 1 out of 1 points In _______________________________, all nodes compete for the use of the medium but have a plan if there are collisions. • Question 11 1 out of 1 points UTP cable consists of _______ pairs of color-coded wires that have been twisted together and then encased in a flexible plastic sheath that protects them from minor physical damage. • Question 12 1 out of 1 points What type of physical topology involves all end systems chained to each other and terminated in some form on each end? • Question 13 1 out of 1 points Which of the following statements is false? • Question 14 1 out of 1 points Which of the following is not a common type of fiber-optic termination and splicing error? • Question 15 1 out of 1 points _________________________ refers to the physical connections and identifies how end devices and infrastructure devices such as router, switches, and wireless access points are interconnected. • Question 16 1 out of 1 points Wireless media carry ___________________________ signals that represent the binary digits of data communications using radio or microwave frequencies. • Question 17 0 out of 1 points Coaxial cable was traditionally used in cable television and was capable of transmitting in two directions. • Question 18 1 out of 1 points Practical bandwidth of a network is determined by a combination of which factors? • Question 19 1 out of 1 points ___________________________ permits the transmission of data over longer distances and at higher bandwidths (data rates) than any other networking media. • Question 20 0 out of 1 points Controlled access is also known as ______. • Question 21 1 out of 1 points A(n) _______________________ transmission exists when data signals are transmitted without an associated clock signal. • Question 22 1 out of 1 points According to the textbook, throughput usually does not match the specified bandwidth in physical layer implementations. • Question 23 1 out of 1 points ___________________________ is throughput minus traffic overhead for establishing sessions, acknowledgements, and encapsulation. • Question 24 1 out of 1 points It is the _______________ that influences the type of network framing and Media Access Control used. • Question 25 1 out of 1 points _________________________ is a transmission technique in which the amplitude of the carrier varies in accordance with the signal. [Show More]

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