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
Last Answer : multicast
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 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
Last Answer : unicast
Description : In Ethernet addressing, ifall the bits are 1s, the address is _________. A) unicast B) multicast C) broadcast D) none of the above
Last Answer : broadcast
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 : 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 : 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 : 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 : RPB creates a shortest path _______ tree from thesourceto each destination. 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 : A local telephone network isan example of a_______ network. A) packet-switched B) circuit-switched C) message-switched D) none of the above
Last Answer : circuit-switched
Description : The Internet Control Message Protocol (ICMP) A. allows gateways to send error acontrol messages toother gateways or hosts B. provides communication between the Internet Protocol Software on one machine ... and takeaction to correct theproblem D. All of theabove E. None of the above
Last Answer : All of theabove
Description : Which of the following is NOT true about User Datagram Protocol in transport layer? a. Works well in unidirectional communication, suitable for broadcast information. b. It does three way ... File System d. The lack of retransmission delays makes it suitable for real-time applications
Last Answer : b. It does three way handshake before sending datagrams
Description : Differentiate between Multicast and Unicast. -Technology
Last Answer : Multicast – Radio, TV and Satellite communication is referred to as Multicast, meaning one-way communication from single sending source to unlimited number of receivers.The internet transmission is 'Unicast‟, referring to two-way communication and being interactive.
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 : 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 : There are two types of designs for communication subnets: they are ………… A. Point-to-Point channels and Broadcast channels B. packet-switched subnet and store-and-forward C. Multicasting and Broadcasting D. Point-to-Point channels and store-and-forward
Last Answer : A. Point-to-Point channels and Broadcast channels
Description : You are working with a network thathas the network ID 192.168.10.0. What subnet should you use that supportsup to 25 hosts and a maximum number of subnets? A. 255.255.255.192 B. 255.255.255.224 C. 255.255.255.240 D. 255.255.255.248 E. 255.255.255.252
Last Answer : 255.255.255.224
Description : Which of the following statement is true? I. An address with all bits 1 is interpreted as all networks or all hosts. II. The class A network 128.0.0.0 is defined as the loopback network. a. i only b. ii only c. Both A and B d. None of the above
Last Answer : a. i only
Description : A packet filtering firewall can a. deny certain users from accessing a service b. block worms and viruses from entering the network c. disallow some files from being accessed through FTP d. block some hosts from accessing the network
Last Answer : d. block some hosts from accessing the network
Description : The ………………………. protocol was originally developed as a mechanism to enable diskless hosts to be remotely booted over a network as workstations. A. RARP B. ARP C. DHCP D. BOOTP
Last Answer : D. BOOTP
Description : Find out the components of DHCP: 1) A protocol that delivers host-specific configuration parameters from a server to a host. 2) The client determines its own hardware address; this is normally in a ROM on the hardware. 3) ... or permanent network addresses to hosts. A. 1,2 B. 1,3 C. 2,3 D. 1,2,3
Last Answer : B. 1,3
Description : ………………...is a minimal protocol that allows isolated hosts to link via TCP/IP over the telephone network and ………………..uses a proposed international standard for transmitting HDLC over asynchronous lines. A. LCP, PPP B. PPP, LCP C. SLIP, PPP D. PPP, SLIP
Last Answer : C. SLIP, PPP
Description : Which of the following statement is incorrect? A. The Addresses Resolution Protocol, ARP, allows a host to find the physicaladdress ofa target host on the samephysical network, given only the target IP address. ... -addresses of our choice to every machine. D. All of theabove E. None of the above
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 : . 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 : 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 IPv6, _______ address defines a single computer A. a unicast B. a multicast C. an anycast D. none of the above
Last Answer : A. a unicast
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 : 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 : 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 : ______ adds pruning and grafting to_______ to create a multicast shortestpath tree that supports dynamic membershipchanges. A) RPM; RPB B) RPB; RPM C) RPF: RPM D) none of the above
Last Answer : RPM; RPB
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 : In multicast routing, eachinvolvedrouter needs toconstructa ________ path tree for each group. A) average B) longest C) shortest D) none of the above
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 : f four hosts on anetworkbelong tothesame group, a totalof _______ sent inresponse to a general query message. A) one membership report is B) two membership reports are C) three membership reports are D) noneof the above
Last Answer : two membership reports are