Description : In OSPF, a ________ link connects two routers without anyother host or router in between. A) point-to-point B) transient C) stub D) none of the above
Last Answer : point-to-point
Description : In OSPF, a _______ link is a network with several routersattachedto it. A) point-to-point B) transient C) stub D) none of the above
Last Answer : transient
Description : In OSPF, when the link between two routers is broken, the administration may create a _________ link between them usinga longer paththat probably goes throughseveral routers. A) point-to-point B) transient C) stub D) none of the above
Last Answer : none of the above
Description : In IPv6,a ______address is used ifa site with several networks uses the Internetprotocols but is not connectedto the Internet for security reasons. A) link local B) site local C) mapped D) none of the abov
Last Answer : site local
Description : The inputand output portsof a router perform the ________ layer functions of therouter. A) physical and data link B) network C) transport D) none of the above
Last Answer : physical and data link
Description : The Multicast Open Shortest Path First (MOSPF)protocol is an extension of the OSPF protocol that uses multicast routing to create source-based trees. The protocol is basedon _______ routing. A) distancevector B) link state C) path vector D) none of the above
Last Answer : link state
Description : The Open Shortest Path First (OSPF)protocol is an intradomain routing protocolbased on _______ routing. A) distancevector B) link state C) path vector D) none of the above
Description : ________ is an interdomain routingprotocol using path vector routing. A) BGP B) RIP C) OSPF D) none of the above
Last Answer : BGP
Description : The metric usedby _______ is the hopcount. A) OSPF B) RIP C) BGP D) none of the above
Last Answer : RIP
Description : The routing processor of arouter performs the ________ layer functions of therouter. A) physical and data link B) network C) transport D) none of the above
Last Answer : network
Description : Automatic repeat request error management mechanism is provided by ________ a. logical link control sublayer b. media access control sublayer c. network interface control sublayer d. application access control sublayer
Last Answer : a. logical link control sublayer
Description : Automatic repeat request error management mechanism is provided by ________ A. logical link control sublayer B. media access control sublayer C. network interface control sublayer D. application access control sublayer
Last Answer : A. logical link control sublayer
Description : HTTP is ________ protocol. a) application layer b) transport layer c) network layer d) data link layer
Last Answer : a) application layer
Description : In a ________ connection, three or more devices share a link. A) multipoint B) point-to-point C) (a) and(b) D) none of the above
Last Answer : multipoint
Description : Three or more devices share a link in ________ connection. a) Unipoint b) Multipoint c) Point to point d) Simplex
Last Answer : b) Multipoint
Description : A ________operates in both thephysical andthe data link layer. A) passive hub B) repeater C) bridge D) router
Last Answer : bridge
Description : A _______ is a connecting devicethat operates in the physical and data link layers of theInternet model. A) repeater B) bridge C) router D) none of the above
Description : The layer one of the OSI model is A) Physical layer B) Link layer C) Router layer D) Broadcast layer
Last Answer : A) Physical layer
Description : An IP datagram of size 1000 bytes arrives at a router. The router has to forward this packet on a link whose MTU (maximum transmission unit) is 100 bytes. Assume that the size of the IP header is 20 bytes ... the IP datagram will be divided into for transmission is : a. 10 b. 50 c. 12 d. 13
Last Answer : d. 13
Description : The least significant 23 bits in a 48-bit Ethernet address identify a ________. A) multicast router B) host C) multicast group D) noneof the above
Last Answer : multicast group
Description : IGMP helps a ________ router createand update a list of loyal members relatedto each router interface. A) broadcast B) unicast C) multicast D) noneof the above
Last Answer : multicast
Description : To create a neighborhood relationship,a router running BGP sends an ________ message. A) open B) update C) keepalive D) none of the above
Last Answer : open
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 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 : What interface card do you need toconnect to a network? A) ISP card B) Wireless card C) Router D) NIC
Last Answer : NIC
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 delaysare recorded as 10 bit numbers in a 50 router network, and delay vectorsare exchanged twicea second,how muchbandwidth per fill duplex line is occupied by the distributedrouting algorithm? A. 500 bps B. 1500 bps C. 5 bps D. 1000 bps
Last Answer : 1000 bps
Description : What device separates asingle network into two segmentsbut lets the twosegments appear as one tohigher protocols? A. Switch B. Bridge C. Gateway D. Router
Last Answer : Bridge
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 : A network router joins two _________ together? A. Computers B. Switches C. Networks D. Gateway
Last Answer : C. Networks
Description : A device operating at network layer is called a. Repeater b. Router c. Gateway d. Bridge
Last Answer : b. Router
Description : In ________ routing, we assume that there is one node (or more) ineach autonomous system that acts on behalf of the entire autonomous system. A) distant vector B) path vector C) link state D) none of the above
Last Answer : path vector
Description : In ________, eachnode maintains avector (table)of minimum distances to every node. A) path vector B) distancevector C) link state D) none of the above
Last Answer : distancevector
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 : 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 : 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 : Which of the following statements is correct for the use of packet switching? A. the subdivision of information into individuallyaddressed packets in conjunction with alternativerouting arrangementenabled the transmission path ... capacity could be achieved. D. All of theabove E. None of the above
Last Answer : All of theabove
Description : In which OSI layers does the FDDI protocol operate? A) Physical B) Data link C) Network D) A and B
Last Answer : D) A and B
Description : Which layers of the OSI determines the interface often system with the user? A) Network B) Application C) Data link D) Session
Last Answer : B) Application
Description : The TCP/IP _______ layer is equivalent to the combined session, presentation, and application layers of the OSI model. a.data link b.network c.physical d.application
Last Answer : d.application
Description : The _______ layer ensures interoperability between communicating devices through transformation of data into a mutually agreed upon format. a. network b. presentation c. transport d. data link
Last Answer : b. presentation
Description : Which OSI layer assumes responsibility for managing network connections between applications? a. Network layer b. Data link layer c. Application layer d. Session layer
Last Answer : d. Session layer
Description : The _____ layer uses data compression to reduce the number of bits to be transmitted. a. presentation b. network c. data link d. application
Last Answer : a. presentation
Description : The _____ layer lies between the session layer and he application layer. a. network b. transport c. data link d. presentation
Last Answer : d. presentation
Description : The session layer lies between the ______layer and the presentation layer. a. network b. transport c. data link d. application
Last Answer : b. transport
Description : Transport layer aggregates data from different applications into a single stream before passing it to ____________ a. network layer b. data link layer c. application layer d. physical layer
Last Answer : a. network layer
Description : Consider a source computer(S) transmitting a file of size 106 bits to a destination computer (D)over a network of two routers (R1 and R2) and three links(L1, L2, and L3). L1connects S to R1; L2 connects R1 to ... file from S to D? a. 1005 ms b. 1010 ms c. 3000 ms d. 3003 ms Answer: Option(a)
Last Answer : a. 1005 ms