EESTX 33303 Wireless Communication Practice Test

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• What prevents interference in optical fiber communication systems?
• What does the term 'signal-to-noise ratio' (SNR) mean?
• What is the primary distinction between narrowband and broadband in wireless communication?
• What does 'QoS' stand for in wireless networks?
• Which of the following is a common modulation technique used in wireless communication?
• Which is an example of a wireless sensor network (WSN) application?
• Another term that refers to the hop rate of spread spectrum signals is _____.
• What does QAM stand for in wireless communication?
• How does spatial diversity improve wireless communication?
• What does signal attenuation refer to in wireless communication?
• What is the basic principle of wireless communication?
• Which two main types of spread spectrum techniques are commonly used?
• What does 'cell border' refer to in cellular networks?
• What does the term 'handoff' refer to in cellular systems?
• When a device such as an access point is compatible with PoE, it is NOT necessary for it to be located close to a(n) _____.
• Which component is crucial for converting an analog signal to a digital one?
• What is WiMAX primarily known for?
• In wireless communication, what does the term 'downlink' indicate?
• What role does the Federal Communications Commission (FCC) play in wireless communication?
• What main issue can an echo cause in a wireless communication system?
• What occurs when a device experiences latencies in a network?
• A typical power meter is capable of measuring power levels ranging from _____.
• What is the purpose of multiple-input multiple-output (MIMO) technology?
• What does the term 'handoff' refer to in GSM networks?
• What are the key components of a wireless communication system?
• What does the acronym 'LOS' stand for in wireless communications?
• What factors affect the range of a wireless communication system?
• Which of the following terms best describes the effective communication rate in a network regardless of its capacity?
• Which uplink/downlink configuration is primarily used for commercial communications carrier systems?
• What is an important setup step for each component of a wireless system?
• What is the purpose of error detection in wireless communication?
• Which component acts as the transducer in a radio transmitter?
• What is a wireless local area network (WLAN)?
• What does Digital Signal Processing (DSP) involve in wireless communications?
• The process in which low-capacity communications channels are combined into a single channel is known as what?
• Which of the following is NOT a method of error correction in wireless communication?
• What is a wireless sensor network (WSN)?
• What occurs during network congestion?
• A test instrument used to determine the frequency and relative power of RF signals is called a(n) _____.
• Communication satellites in geostationary orbit are primarily used for?
• Which type of connection allows a single node to communicate with multiple nodes?
• What is the modulation index in frequency modulation?
• What is the role of jamming in wireless communication?
• What is 'antenna gain'?
• What is the primary function of a digital signal processor (DSP) in wireless systems?
• What signal property is adjusted in modulation for effective data transmission?
• What are 'wireless standards'?
• If a transmission line shows a VSWR of 30:1, what does it indicate?
• A wireless computer LAN connection may not be a good choice in _____.
• How does amplitude modulation (AM) differ from frequency modulation (FM)?
• How is 'Quality of Service (QoS)' utilized in VoIP?
• Antenna alignment is primarily accomplished using which instrument?
• Which aspect of wireless communication does Digital Signal Processing primarily address?
• Which of the following is critical for assessing the reliability of a communication link?
• The type of interference that comes from devices that radiate energy is known as?
• What is one benefit of using MIMO technology?
• Which of the following are key standards for WLAN technology?
• What impact does fading have on wireless signals?
• What type of system is NOT affected by electromagnetic interference (EMI)?
• What is the main advantage of using directional antennas?
• Which technique is used to allow multiple users to share the same bandwidth in wireless communication?
• What device produces the carrier frequency in a transmitter?
• The term gigahertz (GHz) represents a frequency in the _____ of cycles per second.
• Compared to current data transfer speeds, how much faster can 5G technology potentially be?
• The uplink/downlink configuration primarily used for commercial network TV and radio is?
• What is the role of a codec in wireless communication?
• In the context of wireless communication, what is modulation?
• What is a 'handover' in mobile communication?
• What does 'network topology' refer to in wireless networks?
• What does a spread spectrum technique achieve in wireless communication?
• What is a common application of a repeater station?
• Which of the following bands represents the highest frequencies?
• Along with super-fast data processing speeds, what additional benefit does the millimeter band offer?
• What role do repeaters play in wireless communication?
• In wireless communication, what does 'bandwidth' refer to?
• In what way does channel coding contribute to communication systems?
• What is the significance of the Shannon-Hartley theorem?
• Which modulation technique is commonly used in digital communication?
• What is the practice of using the same frequency bands in different geographical areas to enhance capacity in cellular networks called?
• Infrared (IR) systems operate at a band of frequencies _____.
• Which of the following best describes Frequency Hopping Spread Spectrum (FHSS)?
• What do the terms 'uplink' and 'downlink' refer to?
• In the context of wireless networks, what is 'throughput'?
• What type of satellite beam covers all or a significant portion of a single country?
• What does Quality of Service (QoS) prioritize in VoIP technology?
• What is the role of propagation models in wireless communication?
• What is the function of a carrier wave in modulation?
• What does NIC stand for in wireless LAN terminology?
• What does the VSWR indicate in a transmission line?
• When converting analog voice signals to digital signals, what must the sampling rate be?
• What type of modulation is primarily used in FM broadcasting?
• Installation and bonding/grounding requirements for communication antennas are covered in?
• In which modulation method is the time interval between sine waves varied to reflect information signal variations?
• What is the primary role of antennas in wireless communication?
• How does MIMO technology enhance wireless communication?
• Which antenna type is widely used in satellite television?
• What type of data services does 3G mobile technology primarily introduce?
• What does the acronym 'ISDN' represent?
• What is the primary purpose of a wireless communication system?
• Of the frequency bands listed, which one covers the LOWEST range of frequencies?
• What is the function of a carrier signal in wireless communication?
• Which technique is used to reduce interference in wireless communication?
• What is the primary purpose of a signal-to-noise ratio (SNR) in wireless systems?
• Which of the following best describes bandwidth in a network?
• What are routing protocols in wireless networks?
• Which component controls the wireless communication protocols in devices?
• Which technology allows higher frequencies to be used in wireless communication?
• What are the two basic types of infrared (IR) systems?
• Which of the following is a key feature of Bluetooth technology?
• Which of the following is a common standard for wireless local area networks (WLANs)?
• Explain the concept of a 'cell' in a cellular network.
• What does the term 'signal-to-noise ratio' indicate in wireless communication?
• In cellular networks, what does a 'cell' refer to?
• Diffused IR systems are often used in lieu of RF wireless transmissions because _____.
• What is the term for unwanted electrical signals induced into or superimposed onto a power or signal line?
• Which of the following frequency bands is NOT typically used in wireless communication?
• In the context of mobile communications, what is the significance of 'handover'?
• Which of the following best describes the relationship between DSP and signal quality in wireless systems?
• What is one advantage of a Low Earth Orbit (LEO) satellite system?
• The device that enables the wireless detection of infrared signals is a(n) _____.
• What is the role of a cellular tower?
• Which system operates in the highest frequency range?
• What does Frequency Division Multiple Access (FDMA) involve?
• In wireless communication, what does increasing the modulation index lead to?
• What is one application of RFID technology?
• What is the second major concern when installing antennas after safety?
• What does the term 'line of sight' refer to in wireless communication?
• Which test equipment would be used to locate the source of RFI?
• When a repeater is used to link dissimilar media, it is called a _____.
• In a satellite communication system, what is a key advantage of using satellites for data transmission?
• The use of wireless LAN equipment normally conforms to _____.
• What technology allows for multiple paths in a network for efficient signal transmission?
• Which of the following best defines the concept of signal fading?
• What is the function of the transport layer in the OSI model?
• Which of the following uplink/downlink configurations is used where mobile or fixed-station point-of-sale terminals are linked to a home office?
• What benefit does Bluetooth technology offer besides low power consumption?
• Which technique is used to improve data transmission quality over long distances in wireless communications?
• Which of the following is a correct statement about a satellite television antenna?
• What is described by the term 'service area' in wireless communication?
• Each node device on a wireless LAN requires the use of a(n)?
• What function does a modem serve in wireless communication?
• Which is a common use for the UHF frequency band?
• What does the term 'handoff' mean in mobile wireless networks?
• What are the two types of channel coding techniques?
• How is 'bandwidth' defined in the context of wireless communication?
• What capability do most satellite signal meters have to evaluate the antenna dish and LNB?
• What does 'antenna gain' indicate in wireless communication?
• What is 'frequency hopping' in wireless communication?
• Which type of signal delay is reduced by using low-earth orbit satellites?
• What distinguishes omnidirectional antennas from directional antennas?
• Which of these CORRECTLY states the relationship between frequency, wavelength, and antenna size?
• What is the role of a base station in a cellular network?
• What is the primary function of a repeater in a communication system?
• Which type of communication is less susceptible to interference and is used in various wireless technologies?
• Smart antennas are designed to minimize what type of issue in wireless communication?
• Give an example of a physical layer protocol in wireless communications.
• What is meant by network topology?
• What does the term 'bit error rate (BER)' measure?
• Which connection type involves a direct link between two nodes?
• What does 'asynchronous transmission' imply?
• Which type of antennas can adapt their beam direction to enhance signal quality?
• What type of signal does a DSP primarily deal with?
• What is modulation in wireless communication?
• What is the role of a Network Interface Card (NIC) in a wireless context?
• Why is monitoring signal quality important in wireless communications?
• A frequency of 2.4 GHz is most commonly used in what application?
• What does frequency reuse accomplish in cellular systems?
• What does 'line-of-sight communication' require?
• What is the purpose of encryption in wireless communication?
• What is the purpose of the Open Systems Interconnection (OSI) model?
• Which of the following antennas is typically used in mobile devices for better reception?
• What is the main advantage of using OFDM in wireless communication?
• Is it true that single antennas can be mounted in multiple ways depending on their size, weight, and construction?
• What is the primary purpose of modulation in wireless communications?
• What type of communication is typically used for high-speed data transmission?
• A dish-shaped antenna, such as those used in satellite TV systems, is called a _____.
• In the context of wireless networks, what does 'backhaul' refer to?
• What kind of signals typically utilize amplitude modulation?
• A multipoint-to-point satellite uplink/downlink configuration is primarily used for?
• What is a key advantage of using communications satellites in low-earth orbit instead of geostationary orbit?
• What is the primary function of an antenna in wireless communication?
• What is multipath propagation and its effects on wireless communication?
• What describes the change in frequency or wavelength of a wave as observed by someone moving relative to the wave source?
• What is the frequency range for FM radio signals?
• How do smart antennas function in wireless communication?
• Where can one find the installation and grounding requirements for antennae?
• In actual conditions, standing wave ratios are always _____.
• What does the Nyquist theorem define in relation to wireless communication?
• What is the difference between 2G, 3G, 4G, and 5G networks?
• What does the term 'echo' refer to in wireless communication?
• In an IEEE 802.11 wireless network, use of the network is controlled by a(n) _____.
• What is the main function of a satellite communication system?
• In GSM networks, what occurs during a handoff?
• What is a mesh network in wireless communication?
• For optimal operation of a transmitter system, what should the voltage standing wave ratio (VSWR) be?
• What term describes a communication method that allows multiple users to share the same bandwidth?
• What does the term 'latency' refer to in wireless communication?
• What is a characteristic of IEEE 802.11?
• Why is signal modulation important in wireless systems?
• What is the function of a base station in a wireless network?
• What is 'OFDM' in terms of modulation technique?
• What does interference refer to in wireless communication?
• What best defines 'noise' in the context of wireless communication?
• What is the purpose of channel coding in wireless communication?
• What is the meaning of 'amplitude modulation (AM)'?
• Which type of antenna is made of two parallel wires with the ends connected?
• What are the primary components of a wireless communication system?
• Which term describes the ability of a communication system to accommodate an increasing amount of data?
• What is spread spectrum technology?
• How does Amplitude Modulation (AM) encode information?
• What does the term "bandwidth" refer to in wireless communication?
• What type of antenna has two or more antenna elements connected to the feed line?
• What can cause an echo in wireless communication?
• Which component is primarily used to convert analog signals into digital form in wireless communication?
• What does the signal-to-noise ratio (SNR) indicate in wireless communication?
• How does a digital signal processor (DSP) improve functionality in wireless systems?
• Multiplexing is a form of combining several _____ into one high-capacity channel.
• What does the term 'data rate' refer to in wireless communication systems?
• What is the role of a transceiver in wireless communication?
• What is a major factor affecting Quality of Service (QoS) in wireless networks?
• What is the function of an access point in a WLAN?
• In a wireless LAN, which device acts as the direct interface between the wired network and the wireless network?
• What is a primary difference between 2G and 3G mobile communication technologies?
• A wireless network is identified by what?
• The device used to measure FM, AM, and single-sideband signals in an application, such as a mobile communications system, is a(n) _____.
• The network encryption key and the access point password are the same thing. Is this statement true or false?
• In the context of wireless communication, what role does redundancy play within channel coding?
• What is a repeater station in wireless communication?
• What is a key characteristic of omnidirectional antennas?
• How do CDMA and GSM differ as mobile technologies?
• The US regulatory agency that assigns satellite orbitals is the?
• The purpose of a collimator tube is to _____.
• What is meant by 'mesh networking'?
• Why is a repeater station important for long-distance communication?
• In wireless communication, what does the term 'bandwidth' refer to?
• What challenge does Multiple Input Multiple Output (MIMO) technology primarily address?
• What is typically measured in bits per second (bps) in wireless communication?
• Which of the following is an example of a wireless personal area network (WPAN)?
• What is the main difference between Time Division Multiple Access (TDMA) and Frequency Division Multiple Access (FDMA)?
• What is the primary regulatory authority for wireless communications in the United States?
• A point-to-multipoint satellite uplink/downlink configuration is mainly utilized for what purpose?
• What is one function of modulation in DSP?
• What is an adversarial attack in wireless communication?
• What is the primary benefit of using multiple antennas in wireless communication?
• What does the term 'handoff' mean in wireless communication?
• Which regulatory agency oversees telecommunications in the United States, including satellite orbit allocations?
• What is the primary function of a router in wireless communication?
• Which of the following statements is true concerning signal degradation?