Description : In multicast routing, eachinvolvedrouter needs toconstructa ________ path tree for each group. A) average B) longest C) shortest D) none of the above
Last Answer : shortest
Description : RPB creates a shortest path _______ tree from thesourceto each destination. A) unicast B) multicast C) broadcast D) none of the above
Last Answer : broadcast
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 RPF,a router forwards only the copy that has traveled the _______path from the source to the router. A) shortest B) longest C) average D) none of the above
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 : Which of the following routing algorithms can be used for network layer design? a. shortest path algorithm b. distance vector routing c. link state routing d. all of the mentioned
Last Answer : d. all of the mentioned
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 : Which of the following is not correct in relation to multi-destination routing? a. is same as broadcast routing b. contains the list of all destinations c. data is not sent by packets d. there are multiple receivers
Last Answer : c. data is not sent by packets
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 : State weather the following statement is true or false for Hierarchical Routing 1). In hierarchical routing, the routers are divided into regions. 2) Each router is having the idea about internal structure of other regions 3). ... C. 1. false, 2. false, 3. false D. 1. true, 2. false, 3. true
Last Answer : D. 1. true, 2. false, 3. true
Description : In the _______ treeapproach, each router needs tohave oneshortest path tree for each group. A) group-shared B) source-based C) a or b D) none of the above
Last Answer : source-based
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 : 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 : 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 : A __________ is a device that forwards packets between networks by processing the routing information included in the packet. a) bridge b) firewall c) router d) hub
Last Answer : c) router
Description : Which field of cookie in WWW represents the server's directory structure by identifying the utilization of part associated with server's file tree? a. Domain b. Path c. Content d. Secure
Last Answer : b. Path
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 : ________ 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
Last Answer : distancevector
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
Description : The critical path A. Is a path that operates from the starting node to the end node B. Is a mixture of all paths. C.Is the longest path D.Is the shortest path
Last Answer : C.Is the longest path
Description : Critical path (A) Is always longest (B) Is always shortest (C) May be longest (D) May be shortest
Last Answer : (A) Is always longest
Description : In the time-cost optimisation, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having (A) Longest duration (B) Highest cost slope (C) Least cost slope (D) Shortest duration
Last Answer : (C) Least cost slope
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 : 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 _______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 : 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 : 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 : The static routing table is one _______ A. with manual entries B. which is updated automatically C. MAC entries D. none of the above
Last Answer : A. with manual entries
Description : Which of the following devices discriminates between multicast and unicast packets? 1) Multicast switch 2) Bicast switch 3) Bicast router 4) Mulicast Router
Last Answer : 4) Mulicast Router
Description : Which of the following devices discriminates between multicast and unicast packets? 1 Multicast switch 2 Bicast switch 3 Bicast router 4 Mulicast Router
Last Answer : 4 Mulicast Router
Description : In Ethernet addressing, ifall the bits are 1s, the address is _________. A) unicast B) multicast C) broadcast D) none of the above
Description : In Ethernet addressing, if the least significant bit of the firstbyte is 1, the address is _________. A) unicast B) multicast C) broadcast D) none of the above
Description : In Ethernet addressing, if the least significant bit of the firstbyte is 0, the address is _________. A) unicast B) multicast C) broadcast D) none of the above
Last Answer : unicast
Description : Which of the following couldnot be an Ethernet unicast destination? A) 43:7B:6C:DE:10:00 B) 44:AA:C1:23:45:32 C) 46:56:21:1A:DE:F4 D) 48:32:21:21:4D:34
Last Answer : 43:7B:6C:DE:10:0
Description : If an Ethernet destination address is08:07:06:05:44:33, then this is a ______ address. A) unicast B) multicast C) broadcast D) any of theabove
Description : f an Ethernet destination address is07:01:02:03:04:05, then this is a ______ address. A) unicast B) multicast C) broadcast D) any of theabove
Description : . In IPv6, the___________ address isgenerally usedby a normal host as a unicast address. A) provider-based unicast B) link local C) site local D) none of the above
Last Answer : provider-based unicast
Description : An ARP request is normally _______. A) broadcast B) multicast C) unicast D) noneof the above
Description : An ARP reply isnormally_______. A) broadcast B) multicast C) unicast D) noneof the above
Description : A one-to-one communication betweenone source and one destination is classified as a _______ communication. A) unicast B) multicast C) broadcast D) none of the above
Description : A one-to-many communication between one sourceand a specific group of hosts is classifiedas a _______ communication. A) unicast B) multicast C) broadcast D) none of the above
Description : A one-to-all communication between one source and all hosts on a network is classified as a_______ communication. A) unicast B) multicast C) broadcast D) none of the above