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 : In a ________ network, twotypes of addressing are involved: global and local. 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 : ________ 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 : 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 : 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 : 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 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 _______, 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 : In IEEE 802.11, _______ isan optionalaccess method that can be implemented inan infrastructure network (not in an ad hocnetwork). A) DCF B) PCF C) either (a) or (b) D) neither (a) nor (b)
Last Answer : PCF
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 : 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 : 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 : _____ 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 : ____ is a virtual-circuit wide-area network that was designed in response to demands for a new type of WAN in the late 1980s and early 1990s.
Last Answer : . Frame Relay
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 : In IPv6, the _______ field inthe baseheader restricts the lifetime ofa datagram. A) version B) next-header C) hoplimit D) neighbor-advertisemen
Last Answer : hoplimit
Description : In IPv4, if the fragment offset hasa value of 100, it means that _______. A) thedatagram has notbeen fragmented B) thedatagram is 100 bytes in size C) thefirst byte of the datagram is byte100 D) the first byteof the datagram is byte800
Last Answer : the first byteof the datagram is byte800
Description : A best-effort delivery service suchas IPv4 includes _______. A) error checking B) error correction C) datagram acknowledgment D) noneof the above
Last Answer : noneof the above
Description : The _______ address in theheader ofa packet in adatagram network normally remains thesame during the entire journeyof the packet. A) source B) destination C) local D) none of the above
Last Answer : destination
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
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 : WAN stands for a. Wap Area Network b. Wide Area Network c. Wide Array Net d. Wireless Area Network
Last Answer : Wide Area Network
Description : What type of network is commonly used in an international organization? A) WAN B) MAN C) LAN D) CAN
Last Answer : WAN
Description : What type of network is commonly used in a collegelab environment? A) WAN B) MAN C) LAN D) CAN
Last Answer : LAN
Description : Which of the following network is used to connect a number of computers to each other by cables in a single location? A. WAN B. LAN C. MAN D. both b and c
Last Answer : B. LAN
Description : What does WAN stand for? A. Wide Area Network B. World Area Network C. Wide Arena Network D. World Arena Network
Last Answer : A. Wide Area Network
Description : A wireless fidelity is a form of wireless _____ network. A. LAN B. MAN C. WAN D. None
Last Answer : A. LAN
Description : What does WAN stand for? Wide Area Network World Area Network Wide Arena Network World Arena Network
Description : Which of the following network is used to connect a number of computers to eachother by cables in a single location? a. LAN b. Internet c. WAN d. MAN
Last Answer : a. LAN
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 : 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 : Application layer is implemented in _______ a. End system b. NIC c. Ethernet d. Packet transport
Last Answer : a. End system
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 : 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 : Data Link Control Protocol (HDLC) is implemented at the ……… A. Data link layer B. Network layer C. transport layer D. Physical layer
Last Answer : A. receive sliding window.