what is true concerning physical and logical topologies

1. Exhibition reference. What is wrong with the displayed termination?Read: what is true regarding the physical and logical topology The conductors are too thick for the connector used. The untwisted length of each wire is too long. Woven copper braids should not be removed. Using the wrong connector type. Read more: Who is the kurt in if2. Why are two optical fibers used for one fiber optic connection? They prevent crosstalk from interfering with the connection. They speed up data transfer. Two fibers allow data to travel over longer distances without degradation. They allow duplex connections. Read more: Who is the kurt in what if3. Reference to the exhibition. Which sentence describes the media access control methods used by networks in the show? All three networks use CSMA/CA Network 1 uses CSMA/CD and Network 3 uses CSMA/CA. Network 1 uses CSMA/CA and Network 2 uses CSMA/CD. Network 2 uses CSMA/CA and Network 3 uses CSMA/CD. No network requires media access control. Read more: Who is the kurt in what if4. Filling in the blank. Physical topology is a variation or combination of point-to-point, hub and spoke topology, or mesh topology commonly known as _hybrid_ topology Read more: Who is the kurt in what if5. Which data transfer method allows sending and receiving information at the same time? full duplex simplex multiplex half duplex Read more: Who is kurt in what if6. What is an advantage of using fiber optic cable instead of copper cable? It can be installed around sharp bends. It is usually cheaper than copper cable. It can transmit signal much farther than copper cable. It is easier to terminate and install than copper cables. Read more: Who is the kurt in what if7. Match the features with the right yarn. (Not all options are used.) – Multimode fiber optic LED as a light source several light paths into the fiber commonly used with LANs – Single mode fiber optic with only one light entering the fiber is commonly used for internal backbone lasers campus as a light source Read more: Who is the kurt in what if8. What’s in the trailer of a data binding framework? Logical addressRead more: September is what zodiac sign 7 physical address error detection dataRead more: Who is the kurt in what if9. What are the two services performed by the data link layer of the OSI model? (Choose two.) It accepts Layer 3 packets and encapsulates them into frames. It defines the path to forward the packet. It encrypts data packets. It oversees Layer 2 communication by building a table of MAC addresses. It provides media access control and performs error detection. Read more: Who is the kurt in what if 10. Reference to the exhibition. The PC is connected to the console port of the switch. All other connections are made through FastEthernet links. What types of UTP cables can be used to connect devices? 1 – pass through, 2 – cross, 3 – straight through 1 – diagonal, 2 – pass through, 3 – pass through 1 – pass over, 2 – pass straight, 3 – cross 1 – cross, 2 – pass straight, 3 – rolloverRead more: Who is kurt in what if11. What type of connector does the network interface card use? PS-2 DIN RJ-11 RJ-45Read more: Who is the kurt in what if12. A network administrator is designing the layout of a new wireless network. What three areas of concern need to be taken into account when building a wireless network? (Choose three). the measure of usable data transmitted over the medium the measure of the bits transmitted over the medium in a given amount of time the time it takes for a message to get from the sender to the capable receiver of a particular medium to carry data the data is guaranteed to be the transfer rate provided by ISPR Read more: Who is the kurt in what if14. What is the function of the CRC value found in the frame’s FCS field? To calculate checksum header for data field in frame to verify logical address in frame to verify physical address in frame to verify received frame integrity Read more: Who is kurt in what what if15. What technique is used with UTP cables to help protect against signal interference due to crosstalk? wrap a foil shield around wire pairs twist the wires together into pairs of cable terminals with special grounding connectors that wrap the cable in a flexible plastic sheath Read more: Who knows if16. Which feature describes crosstalk? distortion of messages transmitted from signals carried in adjacent wires, loss of wireless signals over long distances from the access point, attenuation of network signals over long cable lengths, distortion of network signal from fluorescent light Read more: Who gets sick what if17. As data moves across the medium in the stream of 1s and 0s how does a receiving node determine the beginning and end of the frame? The transmitting node inserts the start and stop bits into the frame. The receiving node identifies the beginning of the frame by seeing a physical address. The transmitting node sends a beacon to notify that a data frame is attached. The transmitting node sends an out-of-band signal to the receiver about the start of the frame. Read more: Who is the kurt in what if18. A network administrator noticed that some newly installed Ethernet cabling was carrying damaged and distorted data signals. New cabling is installed on the ceiling close to the fluorescent lights and electrical equipment. What two factors can interfere with copper cabling and lead to signal distortion and data corruption? (Choose two.) Extended length of RFI cable signal loss EMI crosstalk Read more: Who is unknown in what if19. What is true regarding the physical and logical topology? The physical topology is concerned with the way frames are transmitted. The physical topology shows the IP address scheme of each network. Logical topology is always the same as physical topology. Logical topology refers to the way data is transferred between devices. Read more: Who is the kurt in what if20. Which statement describes the extended star topology? The terminals are connected to each other by a bus, and each bus connects to a central intermediate device. All terminals and intermediate devices are connected in a chain to each other. The terminals connect to a central intermediate, which in turn connects to other central intermediates. Each end system is connected to its respective neighbor through an intermediate device. Read more: Who is the kurt in what if21. Which layer of the OSI model is responsible for specifying the encapsulation method used for specific media types? application transport physical data link Read more: Who is the kurt in what if22. Filling in the blank. The term _bandwidth_ indicates the capacity of a medium to transmit data, and it is usually measured in kilobits per second (kb/s) or megabits per second (Mb/s). Read more: Who is the kurt in what if23. What are two reasons for physical layer protocols to use frame encryption? (Choose two.) To locate the start and end frames to reduce the number of collisions on the media to provide better media error correction to increase the media throughput to distinguish data bits from the control bits Read more: Who is the kurt in what if24. Filling in the blank. What acronym is used to refer to the data link sublayer that defines the network layer protocol encapsulated in the frame? LLCRead more: 43 cm in inches | Top Q&A

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