Description : The Dynamic routing table is one _______ A. with manual entries B. which is updated automatically C. MAC entries D. none of the above
Last Answer : B. which is updated automatically
Description : A static table is one _______. A) with manual entries B) which isupdated automatically C) either aor b D) none of the above
Last Answer : with manual entries
Description : A dynamic table is one _______. A) with manual entries B) which isupdated automatically C) either aor b D) none of the above
Last Answer : which isupdated automatically
Description : The idea of address aggregation wasdesigned to alleviate theincreasein routing table entries when using ________. A) classful addressing B) classless addressing C) both a and b D) none of the above
Last Answer : classless addressing
Description : In _______, a tableassociating a logicaladdress with a physical address is updated manually. A) static mapping B) dynamic mapping C) physical mapping D) noneof the above
Last Answer : static mapping
Description : Distance vector routing algorithm is a dynamic routing algorithm. The routing tables in distance vector routing algorithm are updated ........... (1) automatically (2) by server (3) by exchanging information with neighbour nodes. (4) with back up database
Last Answer : Answer: 3
Description : A ……………………….. is built from the information exchanged by routing protocols. A. static routing table B. dynamic routing table C. both a and b D. neither a nor b
Last Answer : B. dynamic routing table
Description : . A ………………………... is constructed manually by the system administrator using the route command. A. static routing table B. dynamic routing table C. both a and b D. neither a nor b
Last Answer : A. static routing table
Description : Distance Vector Routing is a……... routing algorithm, it consists of a data structure called a ……… A. Static , routing table B. Dynamic, look-up table C. Dynamic, routing table D. Static, look-up table
Last Answer : C. Dynamic, routing table
Description : A _______routingtable is updated periodically using one of the dynamic routingprotocols. A) static B) dynamic C) hierarchical D) none of the above
Last Answer : dynamic
Description : Routes are built automatically by………………….., manually by the system administrator, or dynamically by routing protocols. A. route B. traceroute C. ifconfig D. netstat
Last Answer : C. ifconfig
Description : Consider a subnet with 720 routers. If a three-level hierarchy is choosen with eight clusters, each containing 9 regions of 10 routers, then total number of entries in the routing table is ................... (A) 25 (B) 27 (C) 53 (D) 72
Last Answer : Answer: A Explanation: Each router needs 10 entries for local routers, 8 entries for routing to other regions within its own cluster, and 7 entries for distant clusters, for a total of 25 entries.
Description : A station in a network forwards incoming packets byplacing them on its shortest output queue. Whatrouting algorithm is being used? A. hot potatorouting B. flooding C. static routing D. delta routing E. None of the above
Last Answer : hot potatorouting
Description : Consider the following statements: (a) Revised simplex method requires lesser computations than the simplex method. (b) Revised simplex method automatically generates the inverse of the current basis matrix. (c) Less number of entries are needed ... c) only (C) (b) and (c) only (D) (a), (b) and (c)
Last Answer : (D) (a), (b) and (c)
Description : _______ is an implementation of multicast distance vector routing. It is asource-based routing protocol, based on RIP. A) MOSPF B) DVMRP C) CBT D) none of the above
Last Answer : DVMRP
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 : Multicast link state routing uses the _______ tree approach. A) source-based B) group-shared C) a or b D) none of the above
Last Answer : source-based
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 : . In _______ routing, the least cost routebetween any two nodes is theroute with the minimum distance. A) path vector B) distancevector C) link state D) none of the above
Last Answer : distancevector
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 : f the sender is a host and wants tosend a packet toanotherhost on the samenetwork, 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 : hedestination IP address in the datagram header
Description : In unicast routing,each router in the domain has a table thatdefines a______ path tree to possible destinations. A) average B) longest C) shortest D) none of the above
Last Answer : shortest
Description : In distance vector routing,each node periodically shares its routing table with_________ and whenever there is achange. A) every other node B) its immediate neighbors C) one neighbor D) none of the above
Last Answer : its immediate neighbors
Description : The principle of ________ states that the routing table is sorted from the longest mask to the shortest mask. A) first mask matching B) shortest mask matching C) longest mask matching D) none of the above
Last Answer : longest mask matching
Description : In _______forwarding, the full IP address of a destination isgiven in the routing table. A) next-hop B) network-specific C) host-specific D) default
Last Answer : host-specific
Description : The limited capability of this routing table is easily verified with the ………………………... command. A. ping B. traceroute C. route D. netstat
Last Answer : A. ping
Description : To instruct Wordto fit the width ofa column to the contents ofa table automatically, click the button and then point to AutoFit Contents. (A) Fit to Form (B) Format (C) Autosize (D) Contents (E) AutoFit
Last Answer : AutoFit
Description : The index file in the database is updated automatically - explain. ?
Last Answer : The data is arranged in a special order so that the user can quickly find any data from the database. Indexing is the process of arranging the records in a database table in such a logical ... to the database file, the index files are automatically updated. This does not change the original file.
Description : HOSTS file entries are limited to how many characters? A. 8 B. 255 C. 500 D. Unlimited E. None of the above
Last Answer : 255
Description : As shown in the illustration, which of the following conditions will occur as a result of a momentary loss of power? EL-0017 A. The motor will automatically restart when power is restored. B. 'H-4' will open, ... the motor. D. 'A-1' or 'A-2' will open, necessitating a manual restarting of the motor.
Last Answer : Answer: B
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 ATM, the ______ layerprovides routing, traffic management, switching, and multiplexing services. A) physical B) ATM C) AAL D) none of the above
Last Answer : ATM
Description : The sender is a router thathas receiveda datagram destinedfor a host on anothernetwork. The logicaladdress that must be mapped to aphysical address is ______. A) thedestination IP address in the datagram header ... address of therouter found inthe routing table C) either a or b D) noneof the above
Description : In multicast routing, eachinvolvedrouter needs toconstructa ________ path tree for each group. A) average B) longest C) shortest 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 : 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 : The _________ routing uses the Dijkstra algorithm to build aroutingtable. A) distancevector B) link state C) path vector D) none of the above
Description : The Routing Information Protocol (RIP) is an intradomain routing based on _________ routing. A) distancevector B) link state C) path vector D) none of the above
Description : Routing between autonomous systems is referredto as ____________. A) interdomain routing B) intradomain routing C) both a and b D) none of the above
Last Answer : interdomain routing
Description : Routing inside an autonomous system is referred to as _______________. A) interdomain routing B) intradomain routing C) both a and b D) none of the above
Last Answer : intradomain routing
Description : For purposes of routing, the Internet isdivided into ___________. A) wide area networks B) autonomous networks C) autonomous systems D) none of the above
Last Answer : autonomous systems
Description : The taskof moving the packet from theinput queue to the output queuein a router is done by_________. A) input and output ports B) routing processor C) switching fabrics D) none of the above
Last Answer : switching fabrics
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 : The use ofhierarchy in routing tables can ________ the size of the routing tables. A) reduce B) increase C) both a and b D) none of the above
Last Answer : reduce
Description : In _______forwarding, the routing tableholds the address of just thenext hop instead of complete routeinformation. A) next-hop B) network-specific C) host-specific D) default
Last Answer : next-hop
Description : Which is the main function of transport layer? A) Node to node delivery B) End to end delivery C) Synchronization d) Updating and maintaining routing tables
Last Answer : B) End to end delivery
Description : Which of the following routing technique / techniques is / are used in distributed systems ? A. Fixed Routing B. Virtual Routing C. Dynamic Routing a. A Only b. A and B only c. C only d. All A,B,C
Last Answer : a. A Only
Description : Dynamic routing protocol enable routers to a. Dynamically discover and maintain routes b. Distribute routing updates to other routers c. Reach agreement with other routers about the network topology d. All of the above
Last Answer : d. All of the above
Description : Which of the following is not a congestion policy at network layer? a. Flow Control Policy b. Packet Discard Policy c. Packet Lifetime Management Policy d. Routing Algorithm
Last Answer : a. Flow Control Policy