Western Governors University (WGU) ITEC3201 D413 Telecomm and Wireless Communications Practice Test

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• Which characteristic of fiber-optic cables makes them preferable over copper cables?
• What is the unit of measurement used to express the amount of power or energy gained or lost in electrical measurements?
• What type of communication would be suitable for a one-way broadcast?
• What is the main idea behind "circuit switching" in communications?
• What is the methodology called that is used for managing a peer-to-peer network?
• What term describes the total distance an electromagnetic wave travels during one complete cycle?
• What is a primary advantage of networking?
• Which IEEE standard describes various Ethernet technologies?
• Which modulation technique is primarily used in amplitude modulation (AM) broadcasting?
• In which topology is every node connected directly to every other node?
• Which type of waves are utilized for Bluetooth transmissions?
• What is packet loss, and why is it undesirable in network communications?
• What type of cloud combines both private and public cloud services?
• Full Duplex communication is best described as which of the following?
• What is the purpose of SSL/TLS in telecommunications?
• What is the process called that involves mixing two radio signals, such as a carrier wave and a data signal?
• What is the primary limitation of copper cables in telecommunications compared to fiber-optic cables?
• Which technology utilizes multiple frequencies to improve communication speed and efficiency?
• What is the name of the circuit-switched telephone network that transmits both data and voice over a digital line?
• What is the physical address used to identify a node on a network called?
• What is the primary function of Bluetooth technology?
• What assigns a unique code to each channel while allowing all channels to share the same frequency band simultaneously?
• Which type of fiber-optic cable has a smaller core diameter and can carry light farther with less attenuation?
• What does "bandwidth throttling" mean?
• Which layer of the OSI model is responsible for session management?
• What is an important characteristic of a Local Area Network (LAN)?
• What is the effect of high latency in a network?
• What type of network topology features devices connected in a circular loop?
• Which type of network consists of a large number of networks connected across many geographic areas?
• What are the three main types of communication in telecommunications?
• Which device connects various networks together and provides alternate routes for data packets?
• What advantage does fiber-optic technology have related to bandwidth?
• Which type of cloud can be accessed by the general public?
• What does SSID stand for in the context of WLAN?
• What is the purpose of Wi-Fi in telecommunications?
• Which frequencies are commonly used for wireless communications?
• How does QoS contribute to VoIP services?
• Which category of Ethernet cable typically supports a maximum data rate of 1 Gbps?
• What type of technology is used to interconnect different network segments?
• Which category of Ethernet cable supports a data rate of 10 Gbps?
• In telecommunications, what does CSU/DSU stand for?
• Which factor contributes to signal attenuation?
• What is the primary function of a firewall in network security?
• How is telepresence defined in the context of communication technology?
• What is the main purpose of load balancing in networks?
• What does MRSL stand for in telecommunications?
• Which device is commonly used to connect a local network to the internet?
• What term refers to the minimum signal strength required for reliable communications?
• Which device provides a connection between a local area network and the Internet?
• What enhanced error checking method identifies and corrects transmission errors?
• What are the two types of spread-spectrum transmission techniques?
• In telecommunications, what does attenuation specifically refer to?
• What optical multiplexing technology allows multiple data streams to travel down the same optical fiber simultaneously?
• What is the primary purpose of a circuit breaker in telecom networks?
• What type of signal can represent values as binary digits?
• What data rate does Cat 5/5e support using 4 pairs?
• What is the term for a small network that may consist of a single computer and mobile device?
• What is the primary purpose of an SSL certificate?
• What is one of the major benefits of using fiber-optic cables in telecommunications?
• What is the term for a network that spans multiple countries, such as the Internet?
• What does "demodulation" refer to in telecommunications?
• Which type of communication occurs in one direction only?
• Which category of multiplexing randomly allocates time slots to different data signals depending on the rate at which they are being generated from the source?
• What type of cable is known for enhanced performance and capabilities compared to its predecessors?
• Which network topology connects all nodes using a single cable or conductor?
• Which device regenerates digital signals, allowing the network media to exceed its recommended length?
• Which network is defined as a collection of interconnected networks distributed over a large geographic area?
• What role does DHCP play in networking?
• Which cable type provides noise protection using foil shielding?
• Which cable category can achieve data rates of 100 Mbps/1000 Mbps when using 4 pairs?
• What number system consists of only ones and zeros?
• Which technique involves consolidating multiple communications channels and transmitting them on lightwaves with different wavelengths?
• What is the term for an interconnected collection of computers and communication devices?
• Which address is primarily used to identify devices within a TCP/IP network?
• What is measured as the crosstalk at the sending end of a cable?
• What type of signal transmission does fiber-optic technology primarily utilize?
• Which device is primarily responsible for segmenting a larger network to reduce collisions?
• What mode of communication allows data to travel in both directions, but not at the same time?
• What is the maximum data rate supported by Cat 7 Ethernet cable?
• Which type of signal has discrete values of on or off?
• What is the term for interference that occurs from neighboring conductors within a wire's insulating jacket?
• What function does encryption serve in telecommunications?
• Which term best describes the method of separating data into segments for transmission?
• What is the primary function of a switch in a network?
• How does a switch differ from a hub in a network?
• What device is used to convert one type of electrical signal into another?
• What suite of protocols is commonly used for communication between computers?
• What does DNS stand for in the context of networking?
• What methodology is used to manage a client/server network?
• What organization is responsible for developing network media specifications?
• What term refers to divided parts of data being transmitted on a network?
• What is the role of a Network Operating System (NOS)?
• What is the identification of hosts using eight sets of hexadecimal numbers called?
• How is an IP address defined?
• Which of the following has the highest maximum frequency rating?
• What does a VPN provide in terms of telecommunications?
• What does latency refer to in network communications?
• What transmission technique is used with wireless devices in the 5-GHz radio band and can achieve high data rates?
• What distinguishes fiber-optic cables from copper cables in terms of signal transmission?
• What is a major benefit of using Personal Area Networks (PANs)?
• Which property of fiber-optic cables reduces vulnerability to external interference?
• What process involves the separation of the voice wave from the carrier wave in transmission?
• Which term is defined as the number of cycles a signal completes in one second?
• What does Alien Crosstalk (AXT) refer to?
• Which assessment is the first part of the design process?
• What type of network configuration uses multiple paths for communication?
• Which technology allows for more efficient utilization of bandwidth by using different wavelengths of light?
• What type of multiplexing assigns specific times for each channel to transmit?
• Which of the following is NOT a characteristic of an Interior Gateway Protocol (IGP)?
• What is the opposition to direct current (DC) called?
• Which of the following is NOT a mode of communication?
• Which of the following describes the "minimum received signal level" in telecommunications?
• What does increasing latency in VoIP communications typically lead to?
• Which type of cable is defined by a maximum frequency rating of 250 MHz?
• What measuring unit is commonly used to describe signal attenuation?
• Which term refers to an individual computer or device connected to a network?
• How many layers are there in the OSI model?
• What does the term "digital divide" refer to?
• In wireless networking, what does WAP stand for?
• Which electrical system is required for network equipment according to industry standards?
• What advantage does MIMO technology provide in wireless communications?
• Which network type is commonly illustrated by connections that span an entire city?
• What is one primary benefit of using fiber-optic cables in telecommunications systems?
• What do you call a computer or device connected to a network that provides services?
• Which Ethernet standard provides a maximum speed of 10 Gbps over twisted pair cables within a certain distance?
• Which type of Ethernet cable can handle data rates up to 40 Gbps?
• What type of network is spread across multiple buildings in the same geographical location, such as a college campus?
• What advantage does 5G technology offer compared to previous generations?
• What measurement indicates how well a network medium can carry an electronic signal?
• Which address is logical and used to identify a node on a network?
• In mesh topology, what happens as more nodes are added to the network?
• What represents the absolute value of a signal's greatest magnitude relative to the energy it can carry?
• What is a Service Level Agreement (SLA)?
• What type of communication allows data to be transmitted in both directions at the same time?
• Which of the following is a disadvantage of networking?
• What is the role of a repeater in a communication system?
• What is the primary advantage of using a star topology?
• What is the significance of flow control in the Transport layer?
• What is the primary concern of Near-End Crosstalk measurement?
• Which protocol is primarily responsible for ensuring reliable transmission of data?
• What is an SSID in the context of wireless networking?
• In networking, what does "packet switching" refer to?
• Which of the following best describes a DHCP server?
• What does the term "frequency spectrum" refer to?
• What is the purpose of Quality of Service (QoS) in network communications?
• Which method is used to power devices that consume small amounts of electrical energy over network cable?
• What is a Mesh network?
• Which model serves as a guide for troubleshooting and designing networks?
• In networking, which of the following is necessary for communication to occur?
• Which multiplexing technique transmits each signal from one input source via a single time slot through the creation of different slots?
• What term describes a signal that has a continuous range of values?
• Which term refers to a set of rules that controls communication between two nodes?
• Which routing protocol is used to connect networks within an autonomous system?
• What is a common source of industrial noise?
• What type of cable uses light guided through thin glass or plastic tubes to transmit data?
• What allows for the flexible resource allocation in cloud computing?
• What is described as a wave position relative to a reference position?
• What does bandwidth refer to in telecommunications?
• What is a subnet in IP networking?
• What is the key difference between IPv4 and IPv6?
• Which addressing scheme uses a 128-bit address format?
• What is the main function of a network switch?
• Why is the OSI model significant in telecommunications?
• In networking terms, resistance affects which type of current?
• Which radio transmission technique subdivides the allocated frequency range into smaller units called channels?
• What system provides communication between nodes in a network?
• What is the term used to describe a section of a network where collisions occur?
• Which standard is associated with authentication methods for wireless networking?
• Which measurement is crucial for understanding potential signal interference in cables?
• Which of the following is NOT typically considered a disadvantage of networking?
• Which statement accurately reflects the properties of fiber-optic cables?
• Which method is used to verify the integrity of transmitted data?
• What technique involves dividing the available bandwidth into frequency bands for different communication channels?
• Which term is used to describe a signal's ability to carry multiple frequencies?
• Which of the following is a common standard for Wi-Fi?
• What feature allows an Auto-MDIX compliant device to function without a crossover cable?
• Which type of waves have higher frequencies than infrared transmission frequencies?
• What technique is used for transmitting two or more streams of data in the same frequency channel?
• What central device provides a connection point for a network?
• Why is "threshold level" an important concept in telecommunications?
• Which category of cable has a maximum frequency rating of 600 MHz?
• What term describes the loss of signal strength in networking cables or connections, typically measured in decibels (dB)?
• What do you call a network that connects two or more LANs within the same geographic area?
• In networking, what does a unique IP address allow a device to do?
• What is a disadvantage of bus topology compared to other topologies?
• What function does a network bridge perform?
• What is the purpose of the Domain Name System (DNS)?
• What does the term "topology" refer to in the context of networking?
• What device serves as a central connection point and can provide network segmentation?
• What is the data rate capability of a Cat 6 cable?
• What does VoLTE stand for in telecommunications?
• Which term describes the maximum theoretical capacity of a network communication link?
• Which of the following is the identification of hosts using four octets separated by periods?
• What occurs when the number of collisions on a network leads to continuous retransmissions?
• Which routing protocol is designed to exchange routing information between different autonomous systems?
• How do public IP addresses differ from private IP addresses?
• What is the main responsibility of the Transport layer in the OSI model?
• What is the practice of dividing a network into smaller sections to mitigate collisions called?
• How does a network switch determine where to send data?
• Which service automatically assigns IP addresses to workstations?
• What device connects a customer's equipment to a digital communication line in telecommunications?
• What does throughput measure in networking?
• What maximum frequency rating does a Cat 6 cable support?
• What type of network is usually confined to a single building and managed by a single entity?
• What does the term "encrypted connection" mean?
• What device provides a connection between a wireless network and a wired network?
• What characterizes a "broadcast storm" in a network?
• Why is network latency important in VoIP communications?
• What function does NAT serve in a network?
• What role do repeaters play in a telecommunications network?
• Which device is responsible for converting digital signals into analog for transmission through a modulation process?
• Which technology is used to connect multiple devices wirelessly in a network?
• In telecommunications, what does the term "bandwidth" refer to?
• What is the maximum frequency rating for Cat 5/5e cables?
• Which component primarily serves to protect a network from unauthorized access?
• In telecommunications, what advantage do fiber cables offer over copper cables in terms of electromagnetic interference?
• Which type of cloud is characterized by limited access, specifically not available to the general public?
• Which type of multiplexing is used to send and receive digital signals between connected devices?
• What does the acronym “LAN” stand for?
• What are some challenges of implementing IoT networks?
• What is the primary function of a modem in telecommunications?
• What is the maximum frequency rating for Cat 6a cables?
• What is the purpose of an access point in wireless networking?
• Which network type typically has higher administration complexity?
• Which service model includes offerings such as SaaS, PaaS, and IaaS?
• What transmission method is often used in line-of-sight applications and is not susceptible to radio interference?
• Which topology involves running cables from each node to connect at a central device, typically a hub?
• Which layer of the OSI model is directly associated with user interfaces?
• What does MAC address stand for in networking?
• What role does a router play in a network?
• Compared to copper, fiber-optic cables can transmit signals over which of the following distances?
• Which IEEE standard defines wireless personal area networks (WPANs)?
• A company is developing a television network to broadcast local news content using analog signals. Which multiplexing technique should be used?
• What is Far-End Crosstalk (FEXT) a measurement of?