How many cross points are needed in a single stage switch with 40 inputs and 50 outputs

NETWORKING - SWITCHING MCQ

• The local telephone network is the example of ___________network
• STP (Spanning tree protocol) is a switching protocol that prevents _____ in switching network
• A Circuit-Switched Network is made of a set of switches connected by physical
• Actual communication in a circuit-switched network requires
• Setup, data transfer, and connection teardown are three phases of
• Circuit switching takes place at the
• In Circuit Switching, resources need to be reserved during the
• Switching in Internet done by using datagram approach to packet switching at the
• Traditionally, _____ methods of switching have been important
• A ________ network is made of a set of switches connected by physical links, in which each link is divided into n channels
• In _______, the resources need to be reserved during the setup phase the resources remain dedicated for the entire duration of data transfer phase until the teardown phase
• In _________, there is no resource allocation for a packet
• In _________, resources are allocated on demand
• In __________, each packet is treated independently of all others
• In _______ there are no setup or teardown phases
• A _________ network is a cross between a circuit-switched network and a datagram network. It has some characteristics of both
• We can say that a packet switch has _______ types of components
• The simplest type of switching fabric is the ______ switch
• A ________ switch is a multistage switch with microswitches at each stage that route the packets based on the output port represented as a binary string
• In a banyan switch, for 8 inputs and 8 outputs, we have _____ stages
• In a banyan switch, for 8 inputs and 8 outputs, we have _____ microswitches at each stage
• A ________ switch combines space-division and time-division technologies to take advantage of the best of both
• Based on the Clos criteria, if N = 200, then n must be equal to or greater than ____
• Based on the Clos criteria, if N = 200, then k must be equal to or greater than ____
• Based on the Clos criteria, if N = 200, then the minimum number of crosspoints is greater than or equal to _______
• In a one-stage space division switch, if N = 200, the number of crosspoints is ______
• In a three-stage space division switch, if N = 200, the number of crosspoints is ______
• A ________ switch combines crossbar switches in several (normally three) stages
• In _______ switching, the paths in the circuit are separated from one another spatially
• A switched WAN is normally implemented as a _______ network
• In a ________ network, two types of addressing are involved: global and local
• A switch in a datagram network uses a routing table that is based on the ______ address
• The _______ address in the header of a packet in a datagram network normally remains the same during the entire journey of the packet
• A local telephone network is an example of a _______ network
• Type of switching which uses the entire capacity of a dedicated link?
• The ................... is a device that connects n inputs to m outputs
• In which type of switching do all the datagrams of a message follow the same channels of a path?
• An example of a medium speed, switched communications service is
• The PSTN is an example of ................. network
• In a time division switch, a .................. governs the destination of a packet stored in RAM
• How many cross points are needed in a single stage switch with 40 inputs and 50 outputs
• The ................. of A TSI controls the order of delivering of slot values that are stored in RAM
• In ..................... each packet of a message need not follow the same path From sender to receiver
• Which type of switching uses the entire capacity of a dedicated link?
• In ............... circuit switching, delivery of data is delayed because data must be stored and retrieved from RAM
• In ................, each packet of a message need not follow the same path from sender to receiver
• In .................., each packet of a message follows the same path from sender to receiver
• A permanent virtual circuit involves
• The packets switching concept was first proposed
• Which of the following statements is correct for the use of packet switching?
• Examples are packet switching using frame relay, and cell switching using ATM technologies. Select the best fit for answer:
• Packet Switch Stream (PSS) was introduced in
• A T-switch is used to
• A WATS arrangement
• An example of a medium-speed, switched communications service is
• Switching in the Internet is done by using the datagram approach to packet switching at the
• The routing processor searching for the routing table is called
• A Virtual-Circuit Network (VCN) is normally implemented in the
• Which frame completes the entries in the switching tables
• Virtual-Circuit Networks and datagram networks are the sub categories of
• The actual communication in a circuit-switched network requires
• In a packet-switched network, resources are allocated
• Datagram switching is done at the
• Setup, data transfer and connection teardown are three phases of
• Only one packet for each destination is allowed at each tick; if there is more than one, they wait for the next tick in
• A switch that connects n inputs to m outputs in a grid, using electronic micro switches at each cross point is called
• In Circuit Switching, the resources needs to be reserved during the
• Circuit Switched Networks are used in
• The port that performs the physical and data link functions of the packet switch is called
• The phase where the establishment of the channels takes place is
• The Asynchronous Transfer Mode (ATM) network is an example of
• The term that refers the switch does not keep information about the connection state, is
• A switch in a datagram network uses a routing table that is based on the
• Time Division Multiplexing inside a switch, is used by
• The network where there is no resource reservation is called
• The identifier that is actually used for data transfer is called the
• Three methods of switching are
• A circuit-switched network is made of switches connected by physical links, in which each link is divided into
• A switched network consists of a series of interlinked nodes, called
• Global and local addressing are types of

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