CGS2060 QUIZ 10 1 Which of the following has the fastest transfer rate FTTP 2 Which of the following defines guidelines that specify the way computers access the medium to which they are attached the type s of medium used the speeds used on different types of networks and the type s of physical cable and or the wireless technology used Network standard 3 The type of network shown in the accompanying figure describes a network in which each computer has equal responsibilities and capabilities What is this kind of network called P2P 4 As illustrated in the accompanying figure on what kind of network must all of the computers and devices nodes on the network connect to a central device Star network 5 Which of the following is a LAN that uses no physical wires WLAN 6 Which of the following can detect problems such as why traffic is flowing slowly on networks that use the 7 For best performance of a communications channel which of the following should be true bandwidth should TCP IP protocol Packet sniffer software be high and latency low 8 The design of computers devices and media in a network is categorized as either client server or peer to peer What is the term used to refer to this characterization Network architecture 9 Which of the following is an earth based reflective dish that contains the antenna transceivers and other equipment necessary for microwave communications Microwave station 10 Which of the following terms is an electrical disturbance that can degrade communications Noise 11 How many feet can the range of Bluetooth devices be extended with additional equipment 325 12 Digital communications describes a process in which two or more computers or devices transfer all of the 13 Which of the following is a network standard that specifies no central computer or device on the network should following EXCEPT Networks control when data can be transmitted Ethernet 14 What is the maximum transfer transmission rate for Bluetooth 24 Mbps 15 Which of the following is the maximum transfer transmission rate for communications satellites 2 56 Tbps 16 Which of the following is the data transfer rate equivalent to one million bits per second Mbps 17 Which of the following defines how a network uses close range radio signals to communicate between two devices or objects equipped with this technology NFC 18 Who invented the Ethernet Robert Metcalfe 19 Which of the following has the fastest transfer rate ATM 20 On a network such as the one illustrated in the accompanying figure what kind of computer controls access to the hardware software and other resources on the network and provides a centralized storage area for programs data and information Host to peer network called Fixed wireless distances Broadcast radio more susceptible to noise networking capability NIC inoperable 200 a network NIC 21 Which of the following is a simple inexpensive network that typically connects fewer than 10 computers Peer 22 Microwave transmission involves sending signals from one microwave station to another What is this often 23 Which of the following is a wireless transmission medium that distributes radio signals through the air over long 24 Which of the following is true of broadcast radio with regard to physical transmission media It is slower and 25 Which of the following can be avoided if a computer or mobile device has a motherboard that integrates 26 Which of the following is the greatest problem with regard to a bus network The bus itself might become 27 How many wired and or wireless computers and mobile devices might a router be able to connect More than 28 Which of the following enables a computer or device that does not have built in networking capability to access 29 Which of the following are radio waves that provide a high speed signal transmission Microwaves 30 Which of the following is a central communications device that allows computers and devices to transfer data wirelessly among themselves or to transfer data wirelessly to a wired network Wireless access point 31 The amount of data instructions and information that can travel over a communications channel sometimes is called which of the following Bandwidth 32 Which of the following kinds of cable consists of a single copper wire surrounded by at least three layers an insulating material a woven or braided metal and a plastic outer coating Coaxial 33 Which of the following is a transmission media on which data instructions or information travel 34 Which of the following terms is the time it takes a signal to travel from one location to another on a network 35 Which of the following kinds of modems is a modem that sends and receives digital data over and information to 36 As shown in the accompanying figure which of the following kinds of networks is a network topology in which a cable forms a closed loop with all computers and devices arranged along it Ring 37 Which of the following is true of the installation of a network like the one shown in the accompanying figure It can span a larger distance than a bus network but it is more difficult 38 Which of the following is the least likely technology PANs would use Peer to peer 39 Which of the following is not an application of communications satellite technology Fixed wireless 40 Which of the following is true of DSL It is a popular digital line alternative for the small business or home user Communications channel Latency and from a digital line Broadband 41 On what kind of network such as that illustrated in the accompanying figure do one or more computers act as a server and the other computers on the network request services from the server Client server 42 On a network such as the one illustrated in the accompanying figure some servers perform a specific task and can be placed with other servers to perform multiple tasks What are these kind of servers call Dedicated
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