A ________ switch is a multistageswitch with microswitches at each stagethat route the packets based on theoutput port representedas a binary string.
A)
crossbar
B)
TSI
C)
banyan
D)
none of the above

1 Answer

Answer :

banyan

Related questions

Description : The simplest type of switching fabric is the ______ switch. A) crosspoint B) crossbar C) TSI D) STS

Last Answer : crossbar

Description : A ________ switch combines crossbar switches inseveral (normally three) stages. A) multistage B) multiple crossbar C) multiple path D) none of the above

Last Answer : multistag

Description : In a banyan switch, for 8 inputs and8outputs, wehave _____ microswitchesateach stage. A) 8 B) 4 C) 3 D) 2

Last Answer : 4

Description : In a banyan switch, for 8 inputs and8outputs, wehave _____ stages. A) 8 B) 4 C) 3 D) 2

Last Answer : 3

Description : Which command does not show that two devices are failing to route packets between them successfully? A. show interface B. trace C. telnet D. ping

Last Answer : show interface

Description : Which of the following assertions is FALSE about the Internet Protocol (IP)? a. It is possible for a computer to have multiple IP addresses b. IP packets from the same source to the same ... outgoing packets; the route is determined only by the routing tables in the routers on the way

Last Answer : d. The packet source cannot set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way

Description : The most popular technology in time-division switching is called the _________. A) STI B) ITS C) TSI D) none of the above

Last Answer : TSI

Description : The______electro mechanical switch (developed in 1938) had fewer moving parts than earlier switches. (A) No. 1ESS (B) Strowger (C) Step-by-step (D) Crossbar

Last Answer : (D) Crossbar

Description : Which of the following devices is specially designed to forward packets to specific ports based on the packet's address? 1) Specialty hub 2) Switching hub 3) Port hub 4) Filtering hub

Last Answer : 2) Switching hub

Description : Which of the following devices is specially designed to forward packets to specific ports based on the packet's address? 1 Specialty hub 2 Switching hub 3 Port hub 4 Filtering hub

Last Answer : 2 Switching hub

Description : Error rate is A. an error-detectingcode based ona summation operation performed onthebits to be checked. B. a checkbit appended to anarrayof binary digits to make thesum of all thebinary digits. C. a ... ratioof the number ofdata units in error to the total number of dataunits E. None of the above

Last Answer : the ratioof the number ofdata units in error to the total number of dataunits

Description : Each IP address can identify the ………... or ………... of IP packets. A. source, destination B. length, size C. source, length D. Size , destination

Last Answer : A. source, destination

Description : A ________ is a 16-bit number used by the host-to-host protocol to identify to which higher- level protocol or application program (process) it must deliver incoming messages A. connection B. UDP C. port D. TCP

Last Answer : C. port

Description : In FTP, the well-known port ____ is used for the control connection and the well-known port ________ for the data connection A. 21; 22 B. 21; 20 C. 20; 21 D. none of the above

Last Answer : B. 21; 20

Description : A bit-stuffing based framing protocol uses an 8-bit delimiter pattern of 01111110. If the output bit-string after stuffing is 01111100101, then the input bit-string is a. 0111110100 b. 0111110101 c. 0111111101 d. 0111111111

Last Answer : b. 0111110101

Description : A ________ switch combines space-division and time-division technologies totake advantage of the bestof both. A) TST B) SSS C) TTT D) none of the above

Last Answer : TST

Description : Membership in a VLAN can be based on _________. A) port numbers B) MAC addresses C) IP addresses D) all of theabove

Last Answer : all of theabove

Description : SMTP is based on …………………………………..delivary, contacts on well known port number…………………………… A. host to host, 23 B. host to host, 25 C. end to end , 23 D. end to end, 80

Last Answer : B. host to host, 25

Description : For Stop-and-Wait ARQ, for 10 data packets sent, _______ acknowledgments are needed. A) exactly 10 B) less than10 C) more than 10 D) none of the above

Last Answer : exactly 10

Description : In ATM,______ is for packets requiring no sequencing and noerror control mechanism. A) AAL1 B) AAL2 C) AAL3/4 D) AAL5

Last Answer : AAL5

Description : In ATM,_______is for short packets. A) AAL1 B) AAL2 C) AAL3/4 D) AAL5

Last Answer : AAL2

Description : ______ eliminates the varying delay times associated withdifferent-size packets. A) X.25 B) Frame Relay C) ATM D) all of theabove

Last Answer : ATM

Description : The packets switching concept was first proposed A. in the late1980s for the Defense Ministry of US. B. in the early 1960s for military communication systems, mainly to handle speech C. in the late 1950s for Defense Ministry of US D. All of theabove E. None of the above

Last Answer : in the early 1960s for military communication systems, mainly to handle speech

Description : Which of the following condition is usedto transmit two packets overa medium at the same time? A. Contention B. Collision C. Synchronous D. Asynchronous E. None of the above

Last Answer : Collision

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 assertions given below. Which among them prove to be beneficial for Persistent HTTP connections? A. Reduction in latency over the sub- sequent requests B. Pipeline-oriented connection over the requests and responses C. Increase ... TCP connections a. A & B b. C & D c. A & C d. B & B

Last Answer : a. A & B

Description : Which of the following system calls results in the sending of SYN packets? a. socket b. bind c. listen d. connect

Last Answer : d. connect

Description : UDP packets are called as _________ a. Segments b. Checksum c. Frames d. Datagrams

Last Answer : d. Datagrams

Description : User datagram protocol is called connectionless because _____________ a. all UDP packets are treated independently by transport layer b. it sends data as a stream of related packets c. it is received in the same order as sent order d. it sends data very quickly

Last Answer : a. all UDP packets are treated independently by transport layer

Description : User datagram protocol is called connectionless because _____________ a. all UDP packets are treated independently by transport layer b. it sends data as a stream of related packets c. it is received ... order d. it sends data very quickly Answer: Option(a) 4. Transmission control protocol ____

Last Answer : a. all UDP packets are treated independently by transport layer

Description : For which one of the following reasons does Internet Protocol (IP) use the time-to- live (TTL) field in the IP datagram header? a. Ensure packets reach destination within that time b. ... packets from looping indefinitely d. Limit the time for which a packet gets queued in intermediate routers.

Last Answer : c. Prevent packets from looping indefinitely

Description : Packets will be transferred in how many types? a. 5 types b. 4 types c. 2 types d. 3 types

Last Answer : d. 3 types

Description : Network layer protocol exits in _________ a. Host b. Switches c. Packets d. Bridges

Last Answer : a. Host

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 network layer is concerned with __________ of data. a. bits b. frames c. packets d. bytes

Last Answer : c. packets

Description : Consider a link with packet loss probability of 0.2. What is the expected number of transmissions it would take to transfer 200 packets given that the stop and wait protocol is used? a. 125 b. 250 c. 225

Last Answer : b. 250

Description : Which of the following statement is False about the efficiency of the given channel? a. If we want to send big packets on the channel, then Stop and Wait is good choice. b. If length ... is directly proportional to efficiency of channel. d. Efficient might be less if capacity of channel is high

Last Answer : Distance between sender and receiver is directly proportional to efficiency of channel.

Description : Station A uses 32 byte packets to transmit messages to Station B using a sliding window protocol. The round trip delay between A and B is 80 milliseconds and the bottleneck bandwidth on the path between A and B ... What is the optimal window size that A should use? a. 20 b. 40 c. 160 d. 320

Last Answer : b. 40

Description : State weather the following statement is true or false for IPV6 Addressing 1). IPV6 is a routable protocol that addresses, routes, fragments, and reassembles packets 2).IPV6 is a connectionless, unreliable datagram protocol. 3). ... C. 1. false, 2. false, 3. false D. 1.false, 2. true, 3. true

Last Answer : A. 1. True, 2. true, 3. true

Description : PGP is one of the protocols used to provide security at the ……….. It is designed to create authenticated and confidential ………. A. application layer, e-mails. B. Network layer, packets C. application layer, packets D. network layer , e-mails

Last Answer : A. application layer, e-mails

Description : Flooding is also a……... algorithm, usually generates ………... of duplicate packets. A. Static, vast number B. dynamic , vast number C. Static, less number D. dynamic , less number

Last Answer : A. Static, vast number

Description : ______ is a static algorithm in which every incoming packet is sent out on every outgoing line except the one it arrives on. This method usually generates vast number of duplicate packets.. A. Flooding B. Wait and watch C. congestion D. both a and c

Last Answer : A. Flooding

Description : The subnet gets increasingly loaded with packets causing increase in delay in the delivery of packets, which can lead to more retransmission, and ultimately increasing more and more traffic. This is a concept called as _________ A. blockage B. Traffic jam. C. Congestion D. both a and b

Last Answer : C. Congestion

Description : With Slotted Aloha, a …………. sends out small clock tick packets to the outlying stations. A. distributed clock B. synchronized clock C. centralized clock D. Digital clock

Last Answer : C. centralized clock

Description : In Go-Back-N window, when the timer of the packet times out, several packets have to be resent even some may have arrived safe. Whereas in Selective Repeat window, the sender resends ___________ A ... lost B. Only those packets which are lost or corrupted C. Packet from starting D. All the packets

Last Answer : B. Only those packets which are lost or corrupted

Description : In open-loop control, policies are applied to __________ A. Remove after congestion occurs B. Remove after sometime C. Prevent before congestion occurs D. Prevent before sending packets

Last Answer : C. Prevent before congestion occurs

Description : User datagram protocol is called connectionless because _____________ A. all UDP packets are treated independently by transport layer B. it sends data as a stream of related packets C. it is received in the same order as sent order D. it sends data very quickly

Last Answer : A. all UDP packets are treated independently by transport layer

Description : The network layer encapsulates the data into _______of data. A. bits B. frames C. packets D. bytes

Last Answer : C. packets