Description : Pruning and grafting are strategiesused in _______. A) RPF B) RPB C) RPM D) none of the above
Last Answer : RPM
Description : In ________, the multicastpacket must reach only those networks that haveactive members for thatparticular group. A) RPF B) RPB C) RPM D) none of the above
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 : RPF guarantees that eachnetwork receives only ____ of the multicast packet. A) one copy B) two copies C) a or b D) none of the above
Last Answer : none of the above
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
Last Answer : unicast
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
Last Answer : multicast
Description : RPB guarantees that eachdestinationreceives _________ of the packet. A) one copy B) no copies C) multiplecopies D) none of the above
Last Answer : one copy
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 : RPF eliminates the ________ in theflooding process. A) forwarding B) backwarding C) flooding D) none of the above
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
Last Answer : shortest
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 : In multicast routing, eachinvolvedrouter needs toconstructa ________ path tree for each group. A) average B) longest C) shortest D) none of the above
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
Description : Which of the following couldnot be an Ethernet multicast destination? A) B7:7B:6C:DE:10:00 B) 7B:AA:C1:23:45:32 C) 7C:56:21:1A:DE:F4 D) 83:32:21:21:4D:34
Last Answer : 7C:56:21:1A:DE:F4
Description : In IPv6,_________addressdefinesagroup of computers. A) aunicast B) a multicast C) an anycast D) none of the above
Last Answer : a multicast
Description : In IPv6,____ address defines a groupof computers with addresses that have thesame prefix. A) aunicast B) a multicast C) an anycast D) none of the above
Last Answer : an anycast
Description : In IPv6,_______ address defines asingle computer. A) aunicast B) a multicast C) an anycast D) none of the above
Last Answer : aunicast
Description : A multicast message is sent from _______ to _______. A) onesource; one destination B) onesource; multiple destinations C) multiple sources; onedestination D) noneof the above
Last Answer : onesource; multiple destinations
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
Description : Which of the following is true about ICMP messages? A) An ICMP error message may be generated for an ICMP error message. B) An ICMP error message may be generated only for the first fragment. C) An ICMP error message may be generated for a multicast datagram. D) noneis true
Last Answer : An ICMP error message may be generated only for the first fragmen
Description : Which of the following is true about ICMP messages? A) An ICMP error message may be generated for an ICMP error message. B) An ICMP error message may be generated for each fragment. C) An ICMP error message may be generated for a multicast datagram. D) noneis true
Last Answer : noneis true
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 : PIM-DM is used in a _______ multicast environment, suchas a LAN. A) dense B) sparse C) a or b D) none of the above
Last Answer : dense
Description : A _______ message tells an upstream router to start sending multicast messages for a specific groupthrough aspecific router. A) weed B) graft C) prune D) none of the above
Last Answer : graft
Description : A _______ message tells an upstream router to stop sending multicast messages for a specific group through aspecific router. A) weed B) graft C) prune D) none of the above
Last Answer : prune
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 : 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
Description : IPv6 does not support which of the following addressing modes? a. unicast addressing b. multicast addressing c. broadcast addressing d. anycast addressing
Last Answer : c. broadcast addressing
Description : Which of the following IP address class is Multicast? a. Class A b. Class B c. Class C d. Class D
Last Answer : d. Class D
Description : Communication channel is shared by all the machines on the network in ________ a) broadcast network b) unicast network c) multicast network d) anycast network
Last Answer : a) broadcast network
Description : A full journal bearing having clearance to radius ratio of 1/100, using a lubricant with μ=28×10-3 Pa s supports the shaft journal running at N = 2400 rpm If bearing pressure is 1.4 MPa, the Somerfield number is [IES-2001] (a) 8×10-3 (b) 8×10-5 (c) 0.48 (d) 0.48×10
Last Answer : (a) S = (μN s /p) (r/c) 2
Description : Value added is: a) the cost saving through production and marketing efforts within the firm. b) the value that a firm adds through the development of dynamic capabilities. c) the value that a ... through outsourcing. d) the difference between the cost of inputs and the market value of outputs
Last Answer : the difference between the cost of inputs and the market value of outputs
Description : Which OSI layer adds a trailer during encapsulation of data? a. Layer 3 b. Layer 4 c. Layer 2 d. Layer 5,6,7
Last Answer : d. Layer 5,6,7
Description : At the time Linux 2.0 kernel configuration the option…………………... adds TCP/IP networking to the kernel. A. CONFIG_IP_ACCT B. CONFIG_INET C. CONFIG_INET_PCTCP D. CONFIG_IP_FORWARD
Last Answer : B. CONFIG_INET
Description : A sliding contact bearing is operating under stable condition. The pressure developed in oil film is p when the journal rotates at N rpm. The dynamic viscosity of lubricant is μ and effective coefficient of ... to p and f) (d) f is directly proportional to μ and inversely proportional to N
Last Answer : (b) f is directly proportional to μ and N
Description : Which of the following techniques ar used to create transgenic crops? a. Budding and Grafting in fruit plants b. Cytoplasmic male sterility c. Gene slicing d. Only 1 e. Both 1 and 2 f. Both 2 and 3 g. Both 1 and 3
Last Answer : f. Both 2 and 3
Description : The ______ are programs that run on DNS clients and DNS servers and that create queries to extract information from name servers. A. transporter B. distributers C. Resolvers D. both a and b
Last Answer : C. Resolvers
Description : One of the responsibilities of the transport layer protocol is to create a ______ communication. A. host-to-host B. process-to-process C. node-to-node D. none of the above
Last Answer : B. process-to-process
Description : Which of the following is not a mechanism that DHCP supports for IP address allocation? A) Automatic allocation B) Static allocation C) Dynamic allocation D) Manual allocation
Last Answer : B) Static allocation
Last Answer : A) Automatic allocation
Description : C++ actually supports the following two complete dynamic allocation systems: (A) One defined by C++ and the other not defined by C. (B) One defined by C and one specific to C++. (C) Both are specific to C++ (D) Both of them are improvements of C.
Last Answer : (B) One defined by C and one specific to C++.
Description : Tick infestations could lead to_______ D A. paralyses B. allergic reactions C. toxicities D. All of these
Last Answer : All of these