InstructionsTotal Questions: 34Total Minutes: 34This ExamTray Free Online Test or Quiz or Trivia tests your knowledge on Ethernet Network concepts and Topology while implementing OSI Reference Model Layers of Computer Networking. This test displays answers after finishing the exam for review. You can easily clear Competitive Exams and Job Interview Questions. Students can clear college internal exams easily. All the Best Challenge SCORE0 / 34Take This Exam 1*2*3*4*5*6*7*8*9*10*11*12*13*14*15*16*17*18*19*20*21*22*23*24*25*26*27*28*29*30*31*32*33*34*Q Buttons 1) IEEE stands for ___. A) Instistute of Electrical and Electronics Engineering B) Institute of Electrical and Electronics Engineers C) Institute Ethernet and Electronics Engineering D) None 2) Choose the correct IEEE standards used to manage various computer networks. A) IEEE 802.1 = Network Management standards, IEEE 802.2 = General Data Link Layer standards B) IEEE 802.3 = MAC layer protocols for a BUS network with CSMA/CD, IEEE 802.4 = MAC layer protocols for a BUS network with Token passing feature C) IEEE 802.5 = MAC layer protocols for a Token RING network, IEEE 802.6 = Standars to operate a MAN (Metropolitan Area Network) D) All the above 3) Choose the cables or media used to implement 802.3 ethernet network below. A) 10Base5 = Thick Coaxial cable, 10Base2 = Thin Coaxial cable B) 10BaseT = Twisted Pair cable, 10BaseF = Fiber Optic cable C) 10Broad36 = Broadband signalling over 75 Ohm cable D) All the above 4) Who designed or invented an Ethernet network for LANs in the year 1973? A) Grahambell B) Dennis Ritchie C) Robert Metcalfe D) John McAfee 5) What is the other name for an Ethernet network? A) WAN B) Mesh Network C) DIX D) DIG 6) An Ethernet Jack is ___. A) RJ11 B) RJ14 C) RJ45 D) None 7) What is the sped of a 100BaseT cable? A) 10 mbps B) 100 mbps C) 1 gbps D) None Ad 8) Choose the correct Base-T cables and their speeds. A) 10Base-T = Ethernet with 10mbps, 100Base-T = Fast Ethernet with 100 mbps speed B) 10GBase-T = Gigabit Ethernet with 1000 mbps or 1 gbps C) 10GBase = 10 Gigabit Ethernet with 10 gbps speed D) All the above 9) Choose the 10-GBase standard cables from the below options that can carry data of 10gbps without loss up to 10km distance. A) 10GBase-LX4 B) 10GBase-ER C) 10GBase-SR D) All the above 10) Choose the correct Abbreviations used with 10GBase cables below. A) SR (Short Range), LR (Low Reach) B) LRM (Long Reach Multimode), C) ER (Extended Reach) D) All the above. 11) Choose the correct abbreviations below. A) CSMA - Carrier Sense Multiple Access B) CD - Collision Detection C) CA - Collision Avoidance D) All the above 12) What is the meaning of Carrier Sense in CSMA (Carrier Sense Multiple Access)? A) The abilitiy to check the shared transmission medium whether it is being used by any other node or not B) The ability to restrict other nodes to access the shared medium C) The ability to gain access to the shared medium D) None 13) What are the advantages of Carrier Sensing? A) Sensing a carrier can avoid simultaneous transmissions by other nodes B) It will help in reducing retransmission of data frames due to collisions with other station data frames C) It improves performance of the network as the individual nodes sense for a carrier present in the transmission medium before requesting access to it. D) All the above 14) What happens in an Ethernet network implementing CSMA-CD when a collision is detected? A) The station retransmits the frame again immediately B) The station retransmits the lost frames after a delay C) The station retransmits the all frames after a delay D) The station aborts the whole transmission of data Ad 15) CSMA/CA method is best suited for a ___ network. A) Wired B) Wireless C) - D) - 16) Choose the topologies used in a LAN network below. A) BUS B) RING C) STAR, TREE D) All the above 17) In a ___ topology, all the nodes or stations are connected to a main central cable. A) BUS B) STAR C) TREE D) RING 18) In ___ topology, all the nodes are connected like a ring when drawn pictorially on a paper. A) BUS B) STAR C) RING D) TREE 19) In a ___ topology, the nodes or stations of a network are connected to a central hub or server. A) BUS B) STAR C) RING D) TREE 20) A group of STAR topology networks connected to a BUS like a cable form or create the ___ topology as a whole. A) BUS B) STAR C) RING D) TREE 21) Which is a network topology that is easy to build? A) BUS, STAR B) RING C) TREE D) All the above Ad 22) A RING network topology is costly to build and difficult to maintain. State TRUE/FALSE. A) TRUE B) FALSE C) - D) - 23) Which is the network topology that is prone to bottlenecks though easy to install? A) BUS B) RING C) STAR D) TREE 24) A STAR network topology offers high bandwidths over long distances. State TRUE/FALSE. A) TRUE B) FALSE C) - D) - 25) Which is not an ethernet topology below? A) STAR B) RECTANGLE C) RING D) None 26) Advantages of an Ethernet network are ___. A) Easy to install and maintain even by persons with less technical knowledge B) Cheaper to intall as the cables and RJ45 plugs are available in all varieties in open market C) Easy to upgrade as the Ethernet is compatible with Gigabit-Ethernet, ATM (Asynchronous Transfer Mode) and Advanced Routing Switches. D) All the above 27) What are the disadvantages of an Ethernet Network? A) The length of Twisted pair copper cables can not be so long for good transmission quality. B) Ethernet is fast only if the number of devices is less in the network due to CD (Collision Detection) technique. Only one device can transmit at a point of time. C) Addition of new devices or stations slows down the network for all existing stations. Ethernet is suited only for low to medium traffic networks. D) All the above 28) What are the other collision detection and recovery methods used along with Ethernet? A) ALOHA B) Slotted ALOHA, R-ALOHA C) AX.25 D) All the above Ad 29) Which are the collision free methods/technologies used to access the Medium Access Control (MAC)? A) Token Bus B) Token Ring C) Both Token Ring and Token Bus D) None 30) What are the parts of An Ethernet Frame? A) Header B) Payload C) FCS (Frame Check Sequence) D) All the above 31) An Ethernet header contains ___ as the first two fields. A) Destination MAC Address B) Source MAC Address C) Both Source MAC and Destination MAC addresses D) None 32) The Frame Check Sequence (FCS) of an Ethernet Frame is a ___ code. A) Cyclic Error Check B) Cyclic Redundancy Check C) End of Frame D) Beginning of Frame 33) Each Frame in an Ethernet packet starts with a ___. A) SFD (Start Frame Delimiter) with alternating 0 and 1 for 7 bytes B) SFD (Start Frame Delimiter) with alternating 0 and 1 for 4 bytes C) Start Frame Sequence D) Start Frame Indicator 34) There is no separate Frame ending sequence in an Ethernet Packet after each frame. State TRUE/FALSE. A) TRUE B) FALSE C) - D) - FINISH EXAM 1*2*3*4*5*6*7*8*9*10*11*12*13*14*15*16*17*18*19*20*21*22*23*24*25*26*27*28*29*30*31*32*33*34*PREV Data Link Layer Online Test NEXT
