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Categories  >>  Certifications  >>  Cisco Certifications  >>  CCNA
 
 


 

 
 CCNA interview questions  CCNA Interview Questions
 CCDA interview questions  CCDA Interview Questions
Question
What is difference between Store-and-Forward, cut-through, 
Fragment-Free Method?
 Question Submitted By :: Kapilasdhir
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What is difference between Store-and-Forward, cut-through, Fragment-Free Method?
Answer
# 1
these are all the switch types based on their working....

1. Cut through: the switch checks the frame only upto
13bytes and as it learns the destination address, it starts
forwarding the frame....lowest delay but is less reliable as
there is no error checking.

2. Fragment Free (Modified Cut-through): in this switches
checks the frame upto 64 bytes looking for any errors.if not
found then starts forwarding it to the destination....little
more delay than cut-through-and is some about reliable also.

3. Store and forward: in this type, the switch firstly
stores the entire frame in its buffer memory, after that it
runs error checking mechanism (CRC)to check the integrity of
the frame....if any errors are found it is dropped otherwise
forwarded to the destination. Highest delay and is highly
reliable.....
 
Is This Answer Correct ?    5 Yes 1 No
Guest
 
  Re: What is difference between Store-and-Forward, cut-through, Fragment-Free Method?
Answer
# 2
Hi dear My self kapilasdhir my Id is asdhir.kapil@yahoo.com 
(chat or mail). i want to know ur id. thnks for answer 
questions
 
Is This Answer Correct ?    0 Yes 0 No
Kapilasdhir
 
 
 

 
 
 
Other CCNA Interview Questions
 
  Question Asked @ Answers
 
Name a major component of the Point-to-Point Protocol (PPP) to negotiate and set up control options on the WAN data link. A.) RFC 1661 B.) High Level Datalink Protocol (HDLC) C.) Challenge Handshake Authentication Protocol (CHAP) D.) SS7 E.) Link Control Protocol (LCP)  1
Which three of the following are true statements about connection-oriented sessions? A.) The segments delivered are acknowledged back to the sender upon their reception B.) Any segments not acknowledged are retransmitted by the receiver C.) A manageable data flow is maintained in order to avoid congestion, overloading and loss of any data D.) Segments are sequenced back into their proper order upon arrival at their destination  2
As the system administrator, you enter the following commands at the command prompt: ipx routing access-list 800 permit 2b 4d int e0 ipx network 4d ipx access-group 800 out int e1 ipx network 2b int e2 ipx network 3c What did these command accomplish? A. Traffic from network 4c destined for network 4d will be forwarded out Ethernet0. B. Traffic from network 3c destined for network 4d will be forwarded out Ethernet0. C. Traffic from network 2b destined for network 4d will be forwarded out Ethernet0. D. Traffic from network 4d destined for network 2d will be forwarded out Ethernet0.  1
What is the Between Normal Switch and Manageable Switch?  4
Given the following descriptions of layers of the OSI model 1) This layer segments and reassembles data into a data stream 2) This layer manages device addressing tracks the location of devices on the network and determines the best way to move data 3) This layer provides the physical transmission of the data and handles error notification network topology and flow control. Choose the statement that lists the layers in the order described above A. physical data link network B. physical session data link C. data link network transport D. data link transport network E. transport network data link F. transport data link network  1
Identify the switching method that receives the entire frame then dispatches it? A.) Cut-through B.) Receive and forward C.) Store and forward D.) Fast forward  1
How do you get help on a command after you have received the % incomplete command response from a switch CLI? A. type "history" to review the prompt before the error B. enter a question mark to display all the console commands C. type help followed by the command to see command parameters D. reenter the command followed by a question mark to view keywords  1
Which is true regarding store-and-forward switching method? A.) Latency varies depending on frame-length B.) Latency is constant C.) It is default for all Cisco switches D.) It only reads the destination hardware address before forwarding the frame  1
What information is provided by the local management interface (LMI)? A.) LMI encapsulation type B.) The current DLCI values C.) The status of virtual circuits D.) The global or local significance of the DLCI values  1
Which layer is responsible for identifying and establishing the availability of the intended communication partner? A.) Application B.) Presentation C.) Transport D.) Session E.) Network  1
what is the difference between a passive and active hub?? which is better ??  2
LAN stands for which of the following? A.) Local Area Network B.) Local Arena Network C.) Local Area News D.) Logical Area Network  3
What is true when creating static route? A.) The mask parameter is optional B.) The administrative distance is required C.) The gateway parameter is required D.) The administrative distance is optional  1
Cisco routers can secure the enable password with a one-way hash algorithm. What command would encrypt the enable password with the strong encryption method? A.) enable encrypt john B.) password john C.) enable secret john D.) enable password john E.) secret john F.) enable password 5 john  1
How many valid host IP addresses are available on the following network/subnetwork? 176.12.44.161/30 A. 2 B. 30 C. 254 D. 16,382 E. 65,534  1
Which statement is true regarding full duplex? A.) Allows for transmission and receiving of data simultaneously B.) Only works in a multipoint configuration C.) Does not affect the bandwidth D.) Allows for transmission and receiving of data but not at the same time  1
Regarding frame relay, which of the following statements are true? A.) You must use ANSI encapsulation if connecting to non-Cisco equipment B.) You must use IETF encapsulation if connecing to non-Cisco equipment C.) You must use Q.933a encapsulation if connecing to non-Cisco equipment D.) You must use Cisco encapsulation if connecting to non-Cisco equipment  1
Identify the purpose of the following command 'ip route 192.168.100.0 255.255.255.0 10.1.0.1' A.) Enabling a dynamic routing protocol B.) Creating a static route to the 10.1.0.0 network C.) Teaches the router about the distant network 192.168.100.0 and how it can be reached via 10.1.0.1 D.) Assigning the IP address 192.168.100.0 to an interface  1
A network is vow congested currently all the devices are connected through a hub. Which would best decrease congestion on this network? A. add a second hub B. replace the hub with a router C. replace the hub with a switch D. replace the hub with a repeater  1
Identify the hardware component that stores the bootstrap program? A.) ROM B.) NVRAM C.) Booter load D.) RAM E.) Flash  1
 
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