TERM EXAMS CS610- COMPUTER NETWORKS

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1 MUHAMMAD FAISAL MIT 4 th Semester Al-Barq Campus (VGJW01) Gujranwala faisalgrw123@gmail.com MEGA File Solved MCQ s For Final TERM EXAMS CS610- COMPUTER NETWORKS Question No: 1 ( Marks: 1 ) - Please choose one The protocol address of the next hop must be to an equivalent hardware address before a packet can be sent. Encrypted Decrypted Translated Non of these Question No: 2 ( Marks: 1 ) - Please choose one A address-binding table is used for each physical network. New Similar Separate Old Question No: 3 ( Marks: 1 ) - Please choose one UDP provides connection-oriented service. True False

2 Question No: 4 ( Marks: 1 ) - Please choose one The UDP stands for. Universal Datagram Protocol User Datagram Protocol United Datagram Protocol None of the given Question No: 5 ( Marks: 1 ) - Please choose one In 3-way handshake TCP requires to generate a random sequence number. 30 bit 32 bit 34 bit None of the given Question No: 6 ( Marks: 1 ) - Please choose one TCP stands for Transport control protocol Transmission control protocol Terminal control protocol None of the given Question No: 7 ( Marks: 1 ) - Please choose one In 3-way handshake TCP requires to generate a random sequence number. 30 bit 32 bit 34 bit None of the given

3 Question No: 8 ( Marks: 1 ) - Please choose one As the Internet grew, the original Classful addressing scheme became a limitation. The IP address space was being exhausted because all networks had to choose one of three possible sizes. Select correct option: True False Question No: 9 ( Marks: 1 ) - Please choose one Twice NAT allows a site to run servers. Select correct option: True False Question No: 10 ( Marks: 1 ) - Please choose one Preliminary version of IP was called. Select correct option: IP - New Generation (IPng) IP - Next Generation (IPng) IP - Net Generation (IPng) None of the given Question No: 11 ( Marks: 1 ) - Please choose one uses window mechanism to control the flow of data. Select correct option: IP UDP TCP None of the given

4 Question No: 12 ( Marks: 1 ) - Please choose one The Internet service providers coordinate with the Internet assigned number authority to obtain their network numbers. True False Question No: 13 ( Marks: 1 ) - Please choose one Which protocol is used to test different tools? ICMP IGMP TCP/IP None of the given Question No: 14 ( Marks: 1 ) - Please choose one identifies the application program that sent the data. Destination Port Source port Logical address None of the given Question No: 15 ( Marks: 1 ) - Please choose one The Source can configure outgoing datagram s to avoid Segmentation Defragmentation Fragmentation None of the given Question No: 16 ( Marks: 1 ) - Please choose one The time for acknowledgement to arrive depends on Distance to destination Current traffic conditions Both of above None of the given

5 Question No: 17 ( Marks: 1 ) - Please choose one Which is not the type of error messages defined by ICMP? Source quench Time exceeded Destination unreachable None of the given Question No: 18 ( Marks: 1 ) - Please choose one is used to attach two autonomous systems. BGP IGP EGP None of the given Question No: 19 ( Marks: 1 ) - Please choose one Due to revolutionalization of IP-V6 the speed has increased from. 56kbps to 512kbps 512kbps to 1gbps 56kbps to 1gbps None of the given Question No: 20 ( Marks: 1 ) - Please choose one Whenever it handles a packet, IP software needs to separate the destination address into a prefix. True False

6 Question No: 21 ( Marks: 1 ) TTL stands for - Please choose one 1) Time to Learn 2) Time to Leave 3) Time to Live 4) None of the given Question No: 22 ( Marks: 1 ) IGPs stand for - Please choose one 1) Internal Gateway Protocols 2) Interior Gateway Protocols 3) Intermediate Gateway Protocols 4) None of the given Question No: 23 ( Marks: 1 ) - Please choose one identifies which application program on receiving computer should receive the data. 1) Logical address 2) Source port 3) Destination Port 4) None of the given Question No: 24 ( Marks: 1 ) - Please choose one encapsulates IP datagram as data area in hardware frame. Select correct option: 1) Network Interface Layer 2) Datalink Layer 3) Network Layer 4) None of the given

7 Question No: 25 ( Marks: 1 ) - Please choose one Class A mask is which is used for 1) Unicasting 2) Multicasting 3) Subnetting 4) All of the given Question No: 26 ( Marks: 1 ) - Please choose one NAT is not useful at a residence with Cable Modem or DSL connectivity. 1) True 2) False Question No: 27 ( Marks: 1 ) - Please choose one Autonomous System chooses a routing protocol to exchange routing information which is passed before being summarized to another group. 1) True 2) False Question No: 28 ( Marks: 1 ) - Please choose one layer provides reliable delivery of datagram. 1) Network 2) Transport 3) Datalink 4) None of the given Question No: 29 ( Marks: 1 ) - Please choose one The process of using a routing table to select a next hop for a given datagram is called. 1) Encapsulation 2) Reassembling 3) Routing or forwarding 4) None of the given

8 Question No: 30 ( Marks: 1 ) - Please choose one The process of learning the path MTU is known as path MTU discovery. 1) True 2) False Question No: 31 ( Marks: 1 ) - Please choose one As the Internet grew, the original Classful addressing scheme became a limitation. The IP address space was being exhausted because all networks had to choose one of possible sizes. 1) Three 2) Two 3) Four 4) Five Question No: 32 ( Marks: 1 ) - Please choose one End to End delivery Service of IP datagram is 1) Connection oriented 2) Connectionless 3) Both a and b 4) None of the given Question No: 33 ( Marks: 1 ) EGP stands for - Please choose one 1) Extension Gateway Protocol 2) Exterior Gateway Protocol 3) Explicit Gateway Protocol 4) None of the given Question No: 34 ( Marks: 1 ) - Please choose one Hashing is the transformation of a string of characters into a usually shorter fixed-length value or a key that represents the original string. 1) True 2) False

9 Question No: 35 ( Marks: 1 ) - Please choose one Although the ARP message format is sufficiently general to allow arbitrary protocol and hardware addresses. ARP is almost always used to bind a 32-bit IP address to a Ethernet address. 1) 16-bit 2) 48-bit 3) 64-bit 4) 128-bit Question No: 36 ( Marks: 1 ) - Please choose one Reliability is not the responsibility of the Transport layer. 1) True 2) False Question No: 37 ( Marks: 1 ) - Please choose one IPV6 address with leading zeros is interpreted to hold an IPV4 address. 1) 96 2) 100 3) 120 4) None of the given Question No: 38 ( Marks: 1 ) - Please choose one NAT software does not allow a PC to connect with the Internet and act as a NAT device at the same time. 1) True 2) False Question No: 39 ( Marks: 1 ) - Please choose one TCP uses the term segment to refer to a. 1) Packet 2) Message 3) Both (a) and (b) 4) None of the given

10 Question No: 40 ( Marks: 1 ) - Please choose one The Universal Datagram Protocol is a message-oriented protocol. 1) True 2) False Question No: 41 ( Marks: 1 ) - Please choose one field tells the receiver how to order fragments within a given datagram. 1) FLAGS 2) FLAGMENT OFFSET 3) IDENTIFICATION 4) None of the given Question No: 42 ( Marks: 1 ) - Please choose one IP datagram can contains octets. 1) 0-65,535 2) 1-65,535 3) 1-65,536 4) None of the given Question No: 43 ( Marks: 1 ) - Please choose one The amount of buffer space available at any time is called the window. 1) True 2) False Question No: 44 ( Marks: 1 ) - Please choose one Source is responsible for fragmentation. 1) IPV4 2) IPV6 3) IPV3 4) IPV5

11 Question No: 45 ( Marks: 1 ) - Please choose one Routers use to forward datagrams along prearranged path. Traffic class Flow label Destination address None of the given Question No: 46 ( Marks: 1 ) - Please choose one protocol uses three way handshake to begin a connection. UDP TCP IP None of the given Question No: 47 ( Marks: 1 ) - Please choose one Typical internet routing uses uses a combination of two metrics. Routing metrics Administrative cost and routing metrics Hop cost Administrative cost and hop count Question No: 48 ( Marks: 1 ) - Please choose one Network Address and Port Translation (NAPT) is by far the most popular form of. Network Address Transmission Network Address Translation Network Address Transformation None of the given Question No: 49 ( Marks: 1 ) - Please choose one The routers within an autonomous system use a to exchange routing information. Interior Gateway protocols(igps) Exterior Gateway protocol (EGPs) Both Interior Gateway protocols(igps) and Exterior Gateway protocol (EGPs) None of the given

12 Question No: 50 ( Marks: 1 ) - Please choose one Interior Gateway Protocols (IGPs) and Exterior Gateway Protocols (EGPs) two broad classes of Internet Routing Protocol. True False Question No: 51 ( Marks: 1 ) - Please choose one The Network Layer Protocol ICMP stands for Instant Control Message Protocol Internet Control Message Protocol Initial Control Message Protocol None of the given Question No: 52 ( Marks: 1 ) - Please choose one The Current version of IP-Version 4 is old. 18 years 20 years 22 years None of given Question No: 53 ( Marks: 1 ) - Please choose one TCP is a connectionless and reliable transport protocol. True False Question No: 54 ( Marks: 1 ) - Please choose one ATM header is about the of the cell. 15% 10% 20% 5%

13 Question No: 55 ( Marks: 1 ) - Please choose one Jitter is significance for. Voice Video Data All of above Question No: 56 ( Marks: 1 ) - Please choose one How many methods exist for building routing table? Question No: 57 ( Marks: 1 ) - Please choose one The process of forwarding the packets of information is called routing. The routing table contains information about the immediately around it Topology of the network Destination Both of the above None of the above Question No: 58 ( Marks: 1 ) - Please choose one Which of the following statement is true regarding ATM? It is a single technology for voice, video and data It has low jitter and high capacity It uses fixed sized small cells. 48 octet's data All of the above Question No: 59 ( Marks: 1 ) - Please choose one A can forward or block messages based on the information in the message itself Message digest Proxy firewall Packet filter firewall Private Key

14 Question No: 60 ( Marks: 1 ) - Please choose one Transmission media are usually categorized as: Guided or unguided Fixed or unfixed Determinate or indeterminate Metallic or nonmetallic Question No: 61 ( Marks: 1 ) - Please choose one Which of the following is not a guided medium? Twisted-pair cable Fiber-optic cable Atmosphere Coaxial Cable Question No: 62 ( Marks: 1 ) - Please choose one Which multiplexing technique transmits digital signals? WDM FDM TDM None of the above Question No: 63 ( Marks: 1 ) - Please choose one All destinations on same switch have same Router Information Next Hop None of the above Question No: 64 ( Marks: 1 ) - Please choose one Which of the following statement is true regarding Distance-Vector Routing? It is very simple to implement. Packet switch updates its own routing table first It is used in RIP. All of the above

15 Question No: 65 ( Marks: 1 ) - Please choose one An exterior switch is one with which Computers are attached No computer is attached Hubs are attached externally None of the above Question No: 66 ( Marks: 1 ) Frame relay is. - Please choose one Connection oriented service Connectionless service It is typically ranges from 5Mbps to 1000Mbps. None of the above Question No: 67 ( Marks: 1 ) - Please choose one An interior switch is one with which Computers are attached No computer is attached Computers are attached internally None of the above Question No: 68 ( Marks: 1 ) - Please choose one Which of the following is not a benefit of source independence? It allows fast and efficient routing. Packet switch do not need to have complete information about all destinations Network functions even if topology changes None of the above Question No: 69 ( Marks: 1 ) - Please choose one Which of the following statement regarding ATM is true? Connections in ATM are called virtual channels The VC is identified by a 24-bit value formed from the VPI Both (a) and (b) None of the above

16 Question No: 70 ( Marks: 1 ) - Please choose one How many methods exist for computing routing table? Question No: 71 ( Marks: 1 ) - Please choose one Which of the following statement is true regarding Distance-vector routing? It is very simple to implement. Packet switch updates its own routing table first. It is used in RIP. All of the above Question No: 72 ( Marks: 1 ) - Please choose one Which one of the following is a property of static routing? It is inflexible It is done at boot time It has low network overload All of the above Question No: 73 ( Marks: 1 ) - Please choose one Asynchronous Transfer Mode uses the concept of Connection-less networking Connection-oriented networking Service Paradigm Simplex & Full Duplex Connection Question No: 74 ( Marks: 1 ) - Please choose one Which multiplexing technique shifts each signal to a different carrier frequency? TDM FDM Both a and b None of the above

17 Question No: 75 ( Marks: 1 ) - Please choose one LAN networks can not be extended to very large networks because of the limitations of... Area Distance Routers Technology Question No: 76 ( Marks: 1 ) - Please choose one Which of the following statement is wrong regarding ATM? It is a single technology for voice, video and data It has low jitter and high capacity. It uses fixed size, small cells, and 48 octet s data None of the above Question No: 77 ( Marks: 1 ) - Please choose one Which one of the following is the responsibility of Djikstra algorithm? To compute the shortest path between two nodes To extract next hop information from path information To insert next hop information into routing table All of the above Question No: 78 ( Marks: 1 ) - Please choose one Which one of the following is a property of dynamic routing? It is inflexible It has low network overload It can work around network failure All of the above Question No: 79 ( Marks: 1 ) - Please choose one Which of the following statement is true regarding ATM? ATM is a single technology that is designed to meet the goals of both LANs and WANs. ATM uses the concept of connection-oriented networking. Both (a) and (b) None of the above

18 Question No: 80 ( Marks: 1 ) - Please choose one Source independence is a phenomena in which next hop to destination does not depend on the Source of packet Destination of packet No of hops Source of protocol Question No: 81 ( Marks: 1 ) - Please choose one If a computer on the network shares resources for others to use, it is called Server Client Mainframe All of the above Question No: 82 ( Marks: 1 ) - Please choose one Terminators are used in topology. Bus Star Ring Mesh Question No: 83 ( Marks: 1 ) - Please choose one In topology, if a computer s network cable is broken, whole network goes down. Bus Star Ring None of the given Question No: 84 ( Marks: 1 ) - Please choose one For large networks, topology is used. Bus Star Ring Mesh

19 Question No: 85 ( Marks: 1 ) ISO stands for: - Please choose one International Standard Organization International Student Organization Integrated Services Organization None of the given Question No: 86 ( Marks: 1 ) ISO OSI model is used in: - Please choose one Stand alone PC Network environment IP Routing Network Address Translation Question No: 87 ( Marks: 1 ) - Please choose one Network cable lies on layer Application Network Physical Transport Question No: 88 ( Marks: 1 ) - Please choose one Layer decides which physical pathway the data should take. Application Network Physical Internet Question No: 89 ( Marks: 1 ) - Please choose one ISDN is an example of network. Circuit switched Packet switched Both of the above None of the given

20 Question No: 90 ( Marks: 1 ) - Please choose one X.25 is an example of network Circuit switched Packet switched Both of the above None of the given Question No: 91 ( Marks: 1 ) - Please choose one allows LAN users to share computer programs and data. Communication server Print server File server All of the above Question No: 92 ( Marks: 1 ) - Please choose one Print server uses which is a buffer that holds data before it is send to the printer. Queue Spool Node None of the given Question No: 93 ( Marks: 1 ) - Please choose one A standalone program that has been modified to work on a LAN by including concurrency controls such as file and record locking is an example of. LAN intrinsic software LAN aware software Groupware LAN ignorant software Question No: 94 ( Marks: 1 ) - Please choose one The portion of LAN management software restricts access, records user activities and audit data etc. Configuration management Security management Performance management All of the above

21 Question No: 95 ( Marks: 1 ) - Please choose one What is the max cable length of STP? 100 ft 200 ft 100 m 200 m Question No: 96 ( Marks: 1 ) - Please choose one What is the max data capacity of STP? 10 mbps 100 mbps 1000 mbps mbps Question No: 97 ( Marks: 1 ) Which connector STP uses? - Please choose one BNC RJ-11 RJ-45 RJ-69 Question No: 98 ( Marks: 1 ) - Please choose one What is the central device in star topology? STP server Hub/switch PDC Router Question No: 99 ( Marks: 1 ) - Please choose one What is max data capacity for optical fiber cable? 10 mbps 100 mbps 1000 mbps mbps

22 Question No: 100 ( Marks: 1 ) - Please choose one In Direct point to point communication adding the Nth computer requires new connections. N2 N-1 (N2 N)/2 None of the given Question No: 101 ( Marks: 1 ) - Please choose one In Point-to-Point topology there are two topologies. Tree and Ring Star and Ring Star and Tree None of the given Question No: 102 ( Marks: 1 ) - Please choose one In , network occupies the smaller area like a room a floor or a building LAN WAN MAN None of the given Question No: 103 ( Marks: 1 ) - Please choose one Hardware that calculates a CRC uses two simple components. AND unit and XOR unit Shift register and XOR unit Shift register and AND unit None of the given Question No: 104 ( Marks: 1 ) - Please choose one The Gigabit Ethernet hardware operates at a rate of Mbps 100 Mbps 1000 Mbps None of the given

23 Question No: 105 ( Marks: 1 ) - Please choose one Formally named informally known as the twisted pair Ethernet or TP Ethernet. 10 Base 2 10 Base 5 10 Base T None of the given Question No: 106 ( Marks: 1 ) - Please choose one An interface for thin Ethernet must have an connector, and must generate signals according to the specification. RJ-45, 10 Base T RJ-45, 10 Base 5 BNC, 10 Base 2 BNC, 10 Base T Question No: 107 ( Marks: 1 ) - Please choose one A system with redundant bridges might have a problem with in the system. Loop Filters Spanning Trees All given choices Question No: 108 ( Marks: 1 ) - Please choose one computes shortest paths in a graph by using weights on edges as a measure of distance. Greedy algorithm Distance vector algorithm Dijksta s algorithm None of the given

24 Question No: 109 ( Marks: 1 ) - Please choose one Basic LAN technologies such as Ethernet, Token Ring, and FDDI use a. Connectionless service paradigm Connection-oriented service paradigm Both Connectionless and Connection-oriented service paradigm None of the given Question No: 110 ( Marks: 1 ) - Please choose one protocols of TCP/IP layering model specify how to ensure reliable transfer. Physical Layer Network Interface Layer Internet Layer Transport Layer Question No: 111 ( Marks: 1 ) - Please choose one An Internet Address (IP address) is a unique binary number assigned to a host and used for all communication with host 48-bit 32-bit 24-bit None of the given Question No: 112 ( Marks: 1 ) - Please choose one The address identifies the physical network to which the computer is attached, while the identifies an individual computer on that network. Prefix, suffix Suffix, prefix Suffix, suffix None of the given

25 Question No: 113 ( Marks: 1 ) - Please choose one places the boundary between the first and second octets. Class A Class B Class C Class D Question No: 114 ( Marks: 1 ) - Please choose one places the boundary between the third and fourth octets. Class A Class B Class C Class D Question No: 115 ( Marks: 1 ) - Please choose one field of header indicates whether a datagram is a fragment or a complete datagram. FLAGS FLAGMENT OFFSET IDENTIFICATION None of the given Question No: 116 ( Marks: 1 ) - Please choose one provides connectionless service. TCP UDP IP None of the given Question No: 117 ( Marks: 1 ) - Please choose one UDP and TCP are both layer protocols. Physical Data link Network Transport

26 Question No: 118 ( Marks: 1 ) - Please choose one Connection-oriented service, Point-to-point, Complete reliability, Full-duplex communication, Stream interface, Reliable connection start-up and Graceful connection shutdown are the services provided by IP TCP UDP None of the given Question No: 119 ( Marks: 1 ) - Please choose one protocols of TCP/IP layering model specify how to ensure reliable transfer. Physical Layer Network Interface Layer Internet Layer Transport Layer Question No: 120 ( Marks: 1 ) - Please choose one identifies which application program on receiving computer should receive the data. Logical address Source port Destination Port None of the given Question No: 121 ( Marks: 1 ) - Please choose one identifies the application program that sent the data. Destination Port Source port Logical address None of the given Question No: 122 ( Marks: 1 ) - Please choose one The Border Gateway Protocol (BGP) uses for all communication. UDP TCP Both UDP and TCP None of the given

27 Question No: 123 ( Marks: 1 ) - Please choose one uses distance vector approach to define routing. BGP OSPF RIP None of the given Question No: 124 ( Marks: 1 ) - Please choose one ICMP message transport is acted upon by getting ICMP encrypted in IP. True False Question No: 125 ( Marks: 1 ) - Please choose one Protocol addresses are abstractions provided by. Hardware Software Operating system Internet Question No: 126 ( Marks: 1 ) - Please choose one These packets serve same purpose on as frames on. Intranet, LAN Internet, WAN Intranet, WAN Internet, LAN Question No: 127 ( Marks: 1 ) - Please choose one Address mask defines how many bits of address are in suffix? True False

28 Question No: 128 ( Marks: 1 ) - Please choose one A single networking technology is best for all needs. True False Question No: 129 ( Marks: 1 ) - Please choose one A computer attached to a given network can only communicate with other computers attached to the same network. Is this a problem with multiple networks? True False Question No: 130 ( Marks: 1 ) - Please choose one The term self-identifying is used for Classful IP addresses because the class of the address can be computed from the address. Itself Prefix Suffix Mask Question No: 131 ( Marks: 1 ) - Please choose one Find the class of the address A B E C Question No: 132 ( Marks: 1 ) - Please choose one Find the class of the address: A C E B

29 Question No: 133 ( Marks: 1 ) - Please choose one In which method of Address Resolution Protocol the protocol address is determined by hardware address? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange? T D C T, C Question No: 134 ( Marks: 1 ) - Please choose one Which method of Address Resolution Protocol requires hardware broadcast? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange? D T C T, D Question No: 135 ( Marks: 1 ) - Please choose one Which method of Address Resolution Protocol resolution with minimum delay? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange? T, D C T T, C Question No: 136 ( Marks: 1 ) - Please choose one In which method of Address Resolution Protocol the implimentation is more difficult? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange? T, C T C D

30 Question No: 137 ( Marks: 1 ) - Please choose one On of the design goals for unicast route propagation is. Consistency Inconsistency Stability Dynamic addressing Question No: 138 ( Marks: 1 ) - Please choose one Propagation multicast routing information differs dramatically from unicast route propagation? True False Question No: 139 ( Marks: 1 ) - Please choose one To save traffic, an EGP does not summarize routing information from the autonomous system befor e passing it to another autonomous system. True False Question No: 140 ( Marks: 1 ) - Please choose one In IPv6 the type of address used for collection of computers with same prefix. Are known as. Anycast Unicast Multicast None of the given Question No: 141 ( Marks: 1 ) - Please choose one Special types of addresses in IPv6 used for multiple destinations; possibly not same site. Are known as Unicast Anycast Multicast None of the given

31 Question No: 142 ( Marks: 1 ) - Please choose one UDP offers application programs a Message-Oriented Interface, applications can depend on protocol to preserve data boundaries. True False Question No: 143 ( Marks: 1 ) - Please choose one Reliability is the responsibility of the layer Network Data link Transport Application Question No: 144 ( Marks: 1 ) - Please choose one TCP uses mechanism to control the flow of data. Door Window Acknowledgment Retransmission Question No: 145 ( Marks: 1 ) - Please choose one In Direct point to point communication adding the Nth computer requires new connections. N2 N-1 (N2 N)/2 None of the given Question No: 146 ( Marks: 1 ) - Please choose one In Point-to-Point topology there are two topologies. Tree and Ring Star and Ring Star and Tree None of the given

32 Question No: 147 ( Marks: 1 ) - Please choose one In , network occupies the smaller area like a room a floor or a building. LAN WAN MAN None of the given Question No: 148 ( Marks: 1 ) - Please choose one Hardware that calculates a CRC uses two simple components. AND unit and XOR unit Shift register and XOR unit Shift register and AND unit None of the given Question No: 149 ( Marks: 1 ) - Please choose one The Gigabit Ethernet hardware operates at a rate of Mbps 100 Mbps 1000 Mbps None of the given Question No: 150 ( Marks: 1 ) - Please choose one Formally named informally known as the twisted pair Ethernet or TP Ethernet. 10 Base 2 10 Base 5 10 Base T None of the given Question No: 151 ( Marks: 1 ) - Please choose one An interface for thin Ethernet must have an connector, and must generate signals according to the specification. RJ-45, 10 Base T RJ-45, 10 Base 5 BNC, 10 Base 2 BNC, 10 Base T

33 Question No: 152 ( Marks: 1 ) - Please choose one A system with redundant bridges might have a problem with in the system. Loop Filters Spanning Trees All given choices Question No: 153 ( Marks: 1 ) - Please choose one computes shortest paths in a graph by using weights on edges as a measure of distance. Greedy algorithm Distance vector algorithm Dijksta s algorithm None of the given Question No: 154 ( Marks: 1 ) - Please choose one Basic LAN technologies such as Ethernet, Token Ring, and FDDI use a. Connectionless service paradigm Connection-oriented service paradigm Both Connectionless and Connection-oriented service paradigm None of the given Question No: 155 ( Marks: 1 ) - Please choose one protocols of TCP/IP layering model specify how to ensure reliable transfer. Physical Layer Network Interface Layer Internet Layer Transport Layer Question No: 156 ( Marks: 1 ) - Please choose one An Internet Address (IP address) is a unique binary number assigned to a host and used for all communication with host. 48-bit 32-bit 24-bit None of the given

34 Question No: 157 ( Marks: 1 ) - Please choose one The address identifies the physical network to which the computer is attached, while the identifies an individual computer on that network. Prefix, suffix Suffix, prefix Suffix, suffix None of the given Question No: 158 ( Marks: 1 ) - Please choose one places the boundary between the first and second octets. Class A Class B Class C Class D Question No: 159 ( Marks: 1 ) - Please choose one places the boundary between the third and fourth octets. Class A Class B Class C Class D Question No: 160 ( Marks: 1 ) - Please choose one field of header indicates whether a datagram is a fragment or a complete datagram. FLAGS FLAGMENT OFFSET IDENTIFICATION None of the given Question No: 161 ( Marks: 1 ) - Please choose one provides connectionless service. TCP UDP IP None of the given

35 Question No: 162 ( Marks: 1 ) - Please choose one UDP and TCP are both layer protocols. Physical Data link Network Transport Question No: 163 ( Marks: 1 ) - Please choose one Connection-oriented service, Point-to-point, Complete reliability, Full-duplex communication, Stream interface, Reliable connection start-up and Graceful connection shutdown are the services provided by IP TCP UDP None of the given Question No: 164 ( Marks: 1 ) - Please choose one protocols of TCP/IP layering model specify how to ensure reliable transfer. Physical Layer Network Interface Layer Internet Layer Transport Layer Question No: 165 ( Marks: 1 ) - Please choose one identifies which application program on receiving computer should receive the data. Logical address Source port Destination Port None of the given Question No: 166 ( Marks: 1 ) - Please choose one identifies the application program that sent the data. Destination Port Source port Logical address None of the given

36 Question No: 167 ( Marks: 1 ) - Please choose one The Border Gateway Protocol (BGP) uses for all communication. UDP TCP Both UDP and TCP None of the given Question No: 168 ( Marks: 1 ) - Please choose one uses distance vector approach to define routing. BGP OSPF RIP None of the given Question No: 169 ( Marks: 1 ) - Please choose one ICMP message transport is acted upon by getting ICMP encrypted in IP. True False Question No: 170 ( Marks: 1 ) - Please choose one Protocol addresses are abstractions provided by. Hardware Software Operating system Internet Question No: 171 ( Marks: 1 ) - Please choose one These packets serve same purpose on as frames on. Intranet, LAN Internet, WAN Intranet, WAN Internet, LAN

37 Question No: 172 ( Marks: 1 ) - Please choose one Address mask defines how many bits of address are in suffix? True False Question No: 173 ( Marks: 1 ) - Please choose one A single networking technology is best for all needs. True False Question No: 174 ( Marks: 1 ) - Please choose one A computer attached to a given network can only communicate with other computers attached to the same network. Is this a problem with multiple networks? True False Question No: 175 ( Marks: 1 ) - Please choose one The term self-identifying is used for Classful IP addresses because the class of the address can be computed from the address. Itself Prefix Suffix Mask Question No: 176 ( Marks: 1 ) - Please choose one Find the class of the address A B E C

38 Question No: 177 ( Marks: 1 ) - Please choose one Find the class of the address: A C E B Question No: 178 ( Marks: 1 ) - Please choose one In which method of Address Resolution Protocol the protocol address is determined by hardware address? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange? T D C T, C Question No: 179 ( Marks: 1 ) - Please choose one Which method of Address Resolution Protocol requires hardware broadcast? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange? D T C T, D Question No: 180 ( Marks: 1 ) - Please choose one Which method of Address Resolution Protocol resolution with minimum delay? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange? T, D C T T, C

39 Question No: 181 ( Marks: 1 ) - Please choose one In which method of Address Resolution Protocol the implimentation is more difficult? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange? T, C T C D Question No: 182 ( Marks: 1 ) - Please choose one On of the design goals for unicast route propagation is. Consistency Inconsistency Stability Dynamic addressing Question No: 183 ( Marks: 1 ) - Please choose one Propagation multicast routing information differs dramatically from unicast route propagation? True False Question No: 184 ( Marks: 1 ) - Please choose one To save traffic, an EGP does not summarize routing information from the autonomous system befor e passing it to another autonomous system. True False Question No: 185 ( Marks: 1 ) - Please choose one In IPv6 the type of address used for collection of computers with same prefix. Are known as. Anycast Unicast Multicast None of the given

40 Question No: 186 ( Marks: 1 ) - Please choose one Special types of addresses in IPv6 used for multiple destinations; possibly not same site. Are known as Unicast Anycast Multicast None of the given Question No: 187 ( Marks: 1 ) - Please choose one UDP offers application programs a Message-Oriented Interface, applications can depend on protocol to preserve data boundaries. True False Question No: 188 ( Marks: 1 ) - Please choose one Reliability is the responsibility of the layer Network Data link Transport Application Question No: 189 ( Marks: 1 ) - Please choose one TCP uses mechanism to control the flow of data. Door Window Acknowledgment Retransmission Question No: 190 ( Marks: 1 ) - Please choose one The time for acknowledgement to arrival of packet depends on. Distance to destination and Current traffic conditions Current traffic conditions Distance to destination None of these

41 Question No: 191 ( Marks: 1 ) - Please choose one FDDI can transmits data at a rate of million bits per second 10 million bits per second 1000 million bits per second None of the given Question No: 192 ( Marks: 1 ) - Please choose one is also called self healing network ATM FDDI Token Ring None of the given Question No: 193 ( Marks: 1 ) - Please choose one Most LANs that employ ring topology use an access mechanism known as CSMA/CD CSMA/CA CSMA TOKEN PASSING Question No: 194 ( Marks: 1 ) - Please choose one An method, the network hardware designers specify how type information is included in the frame and the value use to identify various frame types. Explicit frame type Ideal frame type Implicit frame type None of the given Question No: 195 ( Marks: 1 ) - Please choose one Hardware that calculates a CRC uses two simple components. AND unit and XOR unit Shift register and XOR unit Shift register and AND unit None of the given

42 Question No: 196 ( Marks: 1 ) - Please choose one The Ethernet standard specifies that frames are sent using the Differential Manchester Not Return to Zero (NRZ) Manchester Encoding Return to Zero (RZ) Question No: 197 ( Marks: 1 ) - Please choose one When an application data, it makes a copy of the data available to all other computers on the network. Broadcasting Multicasting Unicasting None of the given Question No: 198 ( Marks: 1 ) - Please choose one LAN interface may use to copy frame data directly from main memory. DMA FDDI CSMA/CD None of the given Question No: 199 ( Marks: 1 ) - Please choose one LAN and WAN are classified according to their... Size Connectivity Medium Mobility Question No: 200 ( Marks: 1 ) - Please choose one For how much time would other computers be in wait while one computer was transferring 56MB file with transmission speed of 56Kbps 10 Sec 11 Sec 12 Sec 13 Sec

43 Question No: 201 ( Marks: 1 ) - Please choose one A network uses to arrange computers to be connected in a single closed loop. Star Topology Dual Ring Topology Ring Topology Bus Topology Question No: 202 ( Marks: 1 ) - Please choose one Which one of the following is a method for computing routing table information? Manual entry Static routing Boot time routing None of the above Question No: 203 ( Marks: 1 ) - Please choose one Thin Ethernet is known as Base2 10Base5 10BaseT All of the above Question No: 204 ( Marks: 1 ) - Please choose one Which multiplexing technique shifts each signal to a different carrier frequency? TDM FDM Both a and b None of the above Question No: 205 ( Marks: 1 ) - Please choose one The basic responsibility of NIC is To access medium/network To resource allocation To access memory All of above

44 Question No: 206 ( Marks: 1 ) - Please choose one How many methods exist for building routing table? Question No: 207 ( Marks: 1 ) - Please choose one The process of forwarding the packets of information is called. Routing Switching Communication None of the above Question No: 208 ( Marks: 1 ) - Please choose one The term signaling is used to describe Communication about the internet Communication about the extranet Communication about the network None of above Question No: 209 ( Marks: 1 ) - Please choose one Which of the following statement is true regarding ATM? It is a single technology for voice, video and data It has low jitter and high capacity. It uses fixed size, small cells and 48 octet s data All of the above Question No: 210 ( Marks: 1 ) - Please choose one An interior switch is one with which. Computers are attached No computer is attached Computers are attached internally None of the above

45 Question No: 211 ( Marks: 1 ) - Please choose one Network interface card acts like a (an) Input/output device Input device Output device All of above Question No: 212 ( Marks: 1 ) - Please choose one The Network Layer Protocol ICMP stands for Instant Control Message Protocol Internet Control Message Protocol Initial Control Message Protocol None of the given Question No: 213 ( Marks: 1 ) - Please choose one Due to revolutionalization of IP-V6 the speed has increased from 56kbps to 512kbps 512kbps to 1gbps 56kbps to 1gbps None of the given Question No: 214 ( Marks: 1 ) - Please choose one An Internet Address (IP address) is a unique binary number assigned to a host and used for all communication with host 48-bit 32-bit 24-bit None of the given Question No: 215 ( Marks: 1 ) - Please choose one Protocol provides error reporting mechanism. IGMP SNMP ICMP None of the given

46 Question No: 216 ( Marks: 1 ) IPV6 addresses are bits. - Please choose one Question No: 217 ( Marks: 1 ) - Please choose one A address-binding table is used for each physical network. New Similar Separate Old Question No: 218 ( Marks: 1 ) - Please choose one The time for acknowledgement to arrival of packet depends on. Distance to destination and Current traffic conditions Current traffic conditions Distance to destination None of these Question No: 219 ( Marks: 1 ) - Please choose one identifies the application program that sent the data. Destination Port Source port Logical address None of the given Question No: 220 ( Marks: 1 ) - Please choose one TCP/IP defines the term to refer any computer system that connects to an internet and runs applications Select correct option: Router Host computer Bridge None of the given

47 Question No: 221 ( Marks: 1 ) - Please choose one The Universal Datagram Protocol is not an end-to-end protocol. True False Question No: 222 ( Marks: 1 ) - Please choose one In routing, the table is initialized when system boots and there is no further changes. Dynamic Static Both of above None of the given Best of Luck

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