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 CCNA interview questions  CCNA Interview Questions
 CCDA interview questions  CCDA Interview Questions
Question
What is the protocol number for UDP?

A.) 6

B.) 17

C.) 25

D.) 21
 Question Submitted By :: Guest
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What is the protocol number for UDP? A.) 6 B.) 17 C.) 25 D.) 21
Answer
# 1
Answer: B

User Datagram Protocol - UDP is a connectionless oriented
transport

protocol for use when the upper layers provide
error-recovery and

reliability. UDP does not sequence data or re-assemble it
into any order

after transmission. This protocol uses Port 17.
 
Is This Answer Correct ?    20 Yes 4 No
Guest
 
  Re: What is the protocol number for UDP? A.) 6 B.) 17 C.) 25 D.) 21
Answer
# 2
Answer : B


TCP : 6
UDP : 17
 
Is This Answer Correct ?    13 Yes 0 No
Haja Bahurudeen M
 
 
 

 
 
 
Other CCNA Interview Questions
 
  Question Asked @ Answers
 
What was the key reason the International Organization for Standardization released the OSI model? A. users could access network servers faster B. different vendor networks could work with each other C. the industry could create a standard for how computers work D. network administrators could increase the overall speed of their network  1
hi friends i have a problem.plz solve this. i am working some where and i have the number of swtitch.once my project manger says that we are going to exapnd our number of employ so plz attech an another switch.i asked to my jr network engineer that take a witch and implemnt on that n/w,as he implement the switch on that n/w.thats network get down, plz tell me what is the reason of that.  1
Identify the command to configure ALL the default VTY ports? A.) Router(config)# line vty 0 4 B.) Router# line vty 0 4 C.) Router(config)# line vty D.) Router(config)# line vty 0 Accel2
Can anyone explain in details the STP port state?????  2
What is Cisco's default encapsulation method on serial interfaces? A.) ANSI B.) Cisco C.) Q933a D.) HDLC  1
Which two of the following protocols are used at the Transport layer? A.) ARP B.) UDP C.) ICMP D.) RARP E.) TCP F.) BootP  7
How does a switch use store and forward? A.) By using a Class I repeater in a collision domain B.) The LAN switch copies the entire frame into its onboard buffers and then looks up the destination address in its forwarding, or switching, table and determines the outgoing interface C.) By using broadcast addresses as source addresses D.) The switch waits only for the header to be received before it checks the destination address and starts forwarding the packets  1
Which of the following statements are true? A.) Store and forward switching creates variable latency through the switch B.) Cut through switching creates variables latency through the switch C.) Cut through switching works at wire speed D.) Store and forward switching works at wire speed  2
Which statement about an IP network is true? A. A broadcast source MAC address contains all zeros B. A MAC address is part of the physical layer of the OSI model C. MAC addresses are used by bridges to make forwarding decisions. IP address are used by routers. D. IP addresses allow a flat addressing scheme. MAC addresses use a hierarchical addressing scheme.  2
What is required to support full-duplex Ethernet? A.) Multiple paths between multiple stations on a link B.) Automatic sensing operation by all connected stations C.) Loopback and collision detection disabled D.) Full-duplex NIC cards  1
Choose three reasons why the networking industry uses a layered model: A.) It facilitates systematic troubleshooting B.) It allows changes in one layer to occur without changing other layers C.) It allows changes to occur in all layers when changing one protocol D.) It clarifies how to do it rather than what general function to be done E.) It clarifies what general function is to be done rather than how to do it  1
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 true about frame-relay DLCI? A.) DLCI represents a single physical circuit B.) DLCI is optional in all frame-relay networks C.) DLCI identifies a logical connection between DTE devices D.) DLCI is used to tag the beginning of a frame with VLAN information  1
Identify the command that specifies Serial 0 in slot 1? A.) Router(config)# interface serial1/1 B.) Router(config)# interface serial1/0 C.) Router(config)# interface serial0.1 D.) Router(config)# interface serial0/1  1
When editing a line in the CLI mode, what does 'CTRL-A' do? A.) Moves you to the previous command. B.) Moves you to the next word. C.) Moves you to the end of the line. D.) Moves you to the next command. E.) Moves you to the beginning of the line.  1
Which of the following are logged when IP access list logging is enabled? A.) source address B.) protocol C.) source port D.) destination address E.) access list number F.) destination port  1
Given the IPX address 4a.0002.1111.a999, what is the network ID and what is the node ID? A.) net 4a host 0002.1111.a999 B.) net a999 node 0002.1111 C.) net 0002.1111.a999 node 4a D.) net 0002.1111 node a999  1
To monitor ipx traffic on a network, what command would you use? A. debug ipx transaction B. show ipx traffic C. show ipx events D. display ipx traffic  2
WAN stands for which of the following? A.) Wide Arena Network B.) World Area Network C.) Wide Area News D.) Wide Area Network  1
Identify the hardware component that stores the backup configuration? A.) RAM B.) NVRAM C.) Flash D.) ROM  1
 
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