Description : The first Network was called ________ a) CNNET b) NSFNET c) ASAPNET d) ARPANET
Last Answer : d) ARPANET
Description : In what year was NSFNET founded ?
Last Answer : NSFNET was established in 1986.
Description : When was NSFNET founded ?
Last Answer : NSFNET was founded in 1986.
Description : was the first step in the evolution of Ethernet from a coaxial cable bus to hub managed, twisted pair network. a. Star LAN b. Ring LAN c. Mesh LAN d. All of the above
Last Answer : a. Star LAN
Description : Consider the given network implementation scenario. For the given classful NID 199.10.20.0/24, the requirement is to create 13 subnets. With given details, find the range of first and last valid IP in 15th subnet. a. ... .20.225 to 199.10.20.238 c. 199.10.20.193 to 199.10.20.206 d. Not of these
Last Answer : a. A Only
Description : . In addresses for _______ networks, the first 16 bits specify a particular network, and the last 16 bits specify a particular host. A. class A B. class C C. class B D. class D
Last Answer : C. class B
Description : You are designing a network which needs to support 200 users. You don't plan to extend the segment beyond the current number of users. Which subnet mask would best meet your needs? Select the best answer. A. 255.255.0.0 B. 255.255.255.0 C. 255.0.0.0 D. 255.224.0.0 E. 255.255.255.200
Last Answer : 255.255.255.0
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 : Layer one of the OSI model is a. physical layer b. link layer c. transport layer d. network layer e. none of above
Last Answer : physical layer
Description : In OSI network architecture, the routing is performed by a. network layer b. data link layer c. transport layer d. session layer e. none of above
Last Answer : network layer
Description : In OSI network architecture, the dialogue control and token management are responsibility of a. session layer b. network layer c. transport layer d. data link layer e. none of above
Last Answer : session layer
Description : What is the term used todescribethe amount of space you have to transmit to and from the Internet? A) Internet speed B) Network speed C) Router D) Bandwidth
Last Answer : Bandwidth
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 : What type of network device allows youto share your connection to the Internet with other computers in your home? A) Ethernet card B) NIC C) Router D) Cat 5
Last Answer : Router
Description : Which of the following is not describedas a typicalnetwork classification? A) Local areanetwork B) Wide area network C) Metropolitan areanetwork D) County area networ
Last Answer : County area network
Description : What interface card do you need toconnect to a network? A) ISP card B) Wireless card C) Router D) NIC
Last Answer : NIC
Description : What term is used to describe two or more computers that are linkedto eachother? A) Star connection B) Computer system C) Computer network D) Net
Last Answer : Computer network
Description : A Bluetooth network consists of _____primary device(s)and up to____ secondary devices. A) one; five B) five; three C) two; six D) one; seven
Last Answer : one; seven
Description : In Bluetooth, multiple ________ form a network called a _________. A) scatternet; piconets B) piconets: scatternet C) piconets:bluenet D) bluenet; scatternet
Last Answer : piconets: scatternet
Description : A Bluetooth network is called a ________. A) piconet B) scatternet C) bluenet D) none of the above
Last Answer : piconet
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 : In the _______ method, thestations in a network areorganizedin a logical ring. A) reservation B) polling C) token passing D) none of the above
Last Answer : token passing
Description : Each station on an Ethernet network has a unique _______ address imprinted onits network interface card (NIC). A) 5-byte B) 32-bit C) 48-bit D) none of the above
Last Answer : 48-b
Description : The _______ layer of Ethernet consistsof the LLC sublayer and the MAC sublayer. A) data link B) physical C) network D) none of the above
Last Answer : data link
Description : VLANs can_________. A) reduce network traffic B) provide anextra measure of security C) either (a)or (b) D) both (a) and (b)
Last Answer : both (a) and (b)
Description : A repeater is a connecting devicethat operates in the _______ layer of theInternet model. A) physical B) data link C) network D) all of theabove
Last Answer : physical
Description : Touse a cable network for data transmission, we needtwo keydevices:a ______ and a _________ A) CM; CMS B) CT; CMTS C) CM; CMTS D) none of the above
Last Answer : CM; CMS
Description : The HFC network uses _______ cable. A) twisted-pair B) coaxial C) fiber-optic D) acombination of (b) and (c)
Last Answer : fiber-optic
Description : The secondgeneration of cable networks is called a(n) _________ network. A) HFC B) HCF C) CFH D) none of the above
Last Answer : HFC
Description : Theprotocol that isused for signaling in the telephone network is called ______. A) POP B) SSS C) SS7 D) none of the above
Last Answer : SS7
Description : The telephone network is made of______ major components. A) 2 B) 3 C) 4 D) none of the above
Last Answer : 3
Description : The moderntelephone network isnow ________. A) digital B) analog C) digital as well as analog D) none of the above
Last Answer : digital as well as analog
Description : The original telephone network, which is referred to as the plainold telephone system (POTS), was an ________system. A) digital B) analog C) digital as well as analog D) none of the above
Last Answer : analog
Description : Thestandard for datatransmission over an HFC network is called _______. A) MCNS B) DOCSIS C) CMTS D) ADSL
Last Answer : DOCSIS
Description : Inan HFC network, the upstream data are modulated using the _______ modulation technique. A) QAM B) QPSK C) PCM D) ASK
Last Answer : QPSK
Description : Inan HFC network, the downstream data are modulated using the _______ modulation technique. A) PSK B) QAM C) PCM D) ASK
Last Answer : QAM
Description : A traditional cable TV network transmits signals ______. A) upstream B) downstream C) upstream and downstream D) none of the above
Last Answer : downstream
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 : 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 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 switched WAN is normally implemented as a _______ network. A) virtual-circuit B) datagram C) circuit-switched D) none of the above
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 : Circuit switching takes place at the________ layer. A) data line B) physical C) network D) transport
Description : Transmission media lie below the_______ layer. A) physical B) network C) transport D) application
Description : A ______is the end-to-end portion of the network between two STS multiplexers. A) section B) line C) path D) none of the above
Last Answer : path
Description : A ring SONET network can be _________. A) unidirectional B) bidirectional. C) either (a) or (b) D) neither (a) nor (b)
Last Answer : bidirectional.
Description : A linear SONET network can be __________. A) point-to-point B) multipoint C) either (a) or (b) D) neither (a) nor (b)
Last Answer : point-to-point