Description : The network layer in the Internet isdesigned as a __________network. A) virtual-circuit B) datagram C) circuit-switched D) none of the above
Last Answer : datagram
Description : A switched WAN is normally implemented as a _______ network. A) virtual-circuit B) datagram C) circuit-switched D) none of the above
Last Answer : virtual-circuit
Description : A _________ network is across between a circuit-switchednetworkand a datagram network. It has some characteristics ofboth. A) virtual-circuit B) packet-switched C) frame-switched D) none of the above
Last Answer : virtual-circui
Description : The network layer in the Internet is designed as anetwork. a. datagram b. none c. virtual-circuit d. circuit-switched
Last Answer : a. datagram
Description : A network is a cross between a circuit-switched network and a datagram network. It has some characteristics of both. a. virtual-circuit b. packet-switched c. None of the Given d. frame-switched
Last Answer : a. virtual-circuit
Description : Packet-switched networks can alsobe divided into ______subcategories: virtual-circuit networks and datagram networks A) four B) three C) two D) five
Last Answer : two
Description : A local telephone network isan example of a_______ network. A) packet-switched B) circuit-switched C) message-switched D) none of the above
Last Answer : circuit-switched
Description : A local telephone network is an example of a _______ network. a) Packet switched b) Circuit switched c) Bit switched d) Line switched
Last Answer : b) Circuit switched
Description : A local telephone network is an example of a network. a. Packet switched b. Circuit switched c. Bit switched d. Line switched
Last Answer : b. Circuit switched
Description : In ATM,_____ is for conventionalpacket switching(virtual-circuit approachor datagram approach). A) AAL1 B) AAL2 C) AAL3/4 D) AAL5
Last Answer : AAL3/4
Description : State weather the following statement is true or false for IPV6 Addressing 1). IPV6 is a routable protocol that addresses, routes, fragments, and reassembles packets 2).IPV6 is a connectionless, unreliable datagram protocol. 3). ... C. 1. false, 2. false, 3. false D. 1.false, 2. true, 3. true
Last Answer : A. 1. True, 2. true, 3. true
Description : Differentiate switched virtual circuit and Permanent virtual circuit.
Last Answer : Switched virtual circuit format is comparable conceptually to dial-up line in circuit switching. In this method, a virtual circuit is created whenever it is needed and exits only for the duration of ... provided between two uses on a continuous basis. The circuit is dedicated to the specific uses.
Description : A switchin a datagram network uses arouting tablethat is based on the ______address. A) source B) destination C) local D) none of the above
Last Answer : destination
Description : ________ is a virtual-circuit wide-area network that was designed in response to demands fora new type of WAN in thelate1980s and early 1990s. A) X.25 B) Frame Relay C) ATM D) none of the above
Last Answer : Frame Relay
Description : The ________is a three layer network protocol that contains addressing information and some control information that enables packets to be routed: a) User Datagram Protocol b) Internet Protocol c) Dynamic Host Configuration Protocol d) None of These
Last Answer : b) Internet Protocol
Description : BSNL land line telephone network is an example of a network. A. Packet switched B. Circuit switched C. Bit switched D. Line switched
Last Answer : B. Circuit switched
Description : _____ is used for transmission of packets in the cellular switched architecture. a) Packet switching techniques b) Circuit switching techniques c) Packet and circuit switched technique d) Datagram technique
Last Answer : a) Packet switching techniques
Description : Bluetooth is an example of __________ a) personal area network b) local area network c) virtual private network d) wide area network
Last Answer : a) personal area network
Description : . A procedure included in the caller’s address space by the linker is known as ______. A. local procedure B. Universal procedure C. addressing linker D. both a and b
Last Answer : A. local procedure
Description : Thetwo most common digital services are ________ service and______. A) switched/56; switched/64 B) switched/56; DDS C) DDS; swiched 64 D) leased; out-of-band
Last Answer : switched/56; DDS
Description : The idea of address aggregation wasdesigned to alleviate theincreasein routing table entries when using ________. A) classful addressing B) classless addressing C) both a and b D) none of the above
Last Answer : classless addressing
Description : In IPv4 layer, datagram is of ________ a) Fixed length b) Variable length c) Global length d) Zero length
Last Answer : b) Variable length
Description : In IPv6, when a datagram needs tobediscarded ina congested network, the decision is basedon the _______ field in thebase header. A) hop limit B) priority C) nextheader D) noneof the above
Last Answer : priority
Description : The sender is a router thathas receiveda datagram destinedfor a host on thesame network. The logical address that mustbe mapped to a physical address is ______. A) thedestination IP address in the datagram ... IP address of therouter found inthe routing table C) either a or b D) noneof the above
Last Answer : thedestination IP address in the datagram header
Description : If the sender is a host and wants tosend a packet toanotherhost on another network, the logical address that must be mapped to a physical address is ______. A) thedestination IP address in the datagram ... the IP address of therouter found inthe routing table C) either a or b D) noneof the above
Last Answer : the IP address of therouter found inthe routing table
Description : Which of the following technique isused for encapsulation? A. a technique used inbest-effort delivery systems toavoid endlessly loopingpackets. B. a technique used by protocols in which a lower level ... network that cannothandle the originaldatagram size D. All of theabove E. None of the above
Last Answer : a technique used by protocols in which a lower level protocol accepts a message from ahigher level protocol and places it in the data portion of the low level frame
Description : Which of the following technique isused for fragment? A. a technique used inbest-effort delivery systems toavoid endlessly loopingpackets B. a technique used by protocols in which a lower level protocol ... network that cannothandle the originaldatagram size D. All of theabove E. None of the above
Last Answer : one of the pieces that results when an IP gateway divides an IP datagram into smallerpieces for transmission acrossa network that cannothandle the originaldatagram size
Description : Which of the following is NOT true about User Datagram Protocol in transport layer? a. Works well in unidirectional communication, suitable for broadcast information. b. It does three way ... File System d. The lack of retransmission delays makes it suitable for real-time applications
Last Answer : b. It does three way handshake before sending datagrams
Description : The number of network segments on which the datagram is allowed to travel before a router should discard it is called _______. A. Time to Live (TTL) B. Time to Die(TTD) C. self recognition D. both a and b
Last Answer : A. Time to Live (TTL)
Description : In _______ there are no setup or teardown phases. A) datagram switching B) circuit switching C) frame switching D) none of the above
Last Answer : datagram switching
Description : In __________, eachpacket is treatedindependentlyof all others. A) datagram switching B) circuit switching C) frame switching D) none of the above
Description : In _________, resources areallocatedon demand. A) datagram switching B) circuit switching C) frame switching D) none of the above
Description : In _________, thereis no resource allocation for a packet. A) datagram switching B) circuit switching C) frame switching D) none of the above
Description : In _______, the resources need to bereserved during the setup phase; the resources remain dedicated for the entire durationof data transfer phase until the teardownphase. A) datagram switching B) circuit switching C) frame switching D) none of the above
Last Answer : circuit switching
Description : A network that needs human beings to manually route signals is called.... A) Fiber Optic Network B) Bus Network C) T-switched network D) Ring network
Last Answer : C) T-switched network
Description : In virtual circuit network each packet contains ___________ a. full source and destination address b. a short VC number c. only source address d. only destination address
Last Answer : b. a short VC number
Description : In virtual circuit network each packet contains ___________ A. full source and destination address B. a short VC number C. only source address D. only destination address
Last Answer : B. a short VC number
Description : Which of the following statement is incorrect? A. The Addresses Resolution Protocol, ARP, allows a host to find the physicaladdress ofa target host on the samephysical network, given only the target IP address. ... -addresses of our choice to every machine. D. All of theabove E. None of the above
Last Answer : All of theabove
Description : The function of IP adress is …………………………………………. A. host identification B. network interface identification C. location addressing D. all of the above
Last Answer : D. all of the above
Description : A ________network is made of a set of switches connected by physical links, in which each link is divided into nchannels. A) line-switched B) frame-switched C) circuit-switched D) none of the above
Description : Satellite-Switched Time-Division Multiple Access (SS/TDMA) is A. the method of determining whichdevice has access tothe transmission medium at any time. B. a medium access control technique for ... switching is used to dynamically changethechannel assignments D. All of theabove E. None of the above
Last Answer : a form of TDMA in which circuit switching is used to dynamically changethechannel assignments
Description : The required resources for communication between end systems are reserved for theduration of the session between end systems in method. a. Packet switched b. Bit switched c. Line switched d. Circuit switched
Last Answer : d. Circuit switched
Description : In public switched telephone network, LATA stands for ______ a) Local access and transport area b) Land area and transport area c) Local access and telephone access d) Local area and telephone access
Last Answer : a) Local access and transport area
Description : In a classful addressing, the IP addresses with 0 (zero) as network number: (A) refers to the current network (B) refers to broadcast on the local network (C) refers to broadcast on a distant network (D) refers to loopback testing
Last Answer : (A) refers to the current network
Description : PSTN stands for ________ a) Public switched telephone network b) Personal switched telephone network c) Personal switched telephone node d) Public switched telephone node
Last Answer : a) Public switched telephone network
Description : A virtual local areanetwork (VLAN) is configured by _________. A) software B) physical wiring C) hardware D) none of the abov
Last Answer : software
Description : The ________is a circuit-switched network, while the ______is a packet-switched network. (A) Telephone, ATM (B) SONET and FDDI (C) Satellite, Telephone (D) FDDI and SONET
Last Answer : (A) Telephone, ATM
Description : In IPv4, when a datagram is encapsulated in a frame, the total sizeof the datagram must beless thanthe _______. A) MUT B) MAT C) MTU D) noneof the above
Last Answer : MTU
Description : IP is _________ datagram protocol. A) an unreliable B) a connectionless C) botha and b D) noneof the above
Last Answer : botha and b
Description : In IPv6, the _______ field inthe baseheader restricts the lifetime ofa datagram. A) version B) next-header C) hoplimit D) neighbor-advertisemen
Last Answer : hoplimit