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Categories  >>  Certifications  >>  Cisco Certifications  >>  CCNA
 
 


 

 
 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 ?    5 Yes 2 No
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Other CCNA Interview Questions
 
  Question Asked @ Answers
 
Which of the following provide correct information about a protocol at the transport layer of the OSI model? A.) UDP - Provides Connectionless datagrams service B.) TCP - Provides Connection Oriented Services C.) SMTP - Provides Mail Exchange D.) IP - Route determination E.) TCP - Provides Flow Control and Error Checking F.) FTP - Transfers of Files  1
Which two solutions are used to reduce the chance of distance vector routing loops? (choose two) A. split horizon B. route poison C. area hierarchies D. link state algorithms  1
Identify the 2 characteristics regarding MAC addresses? A.) Contains a network portion and host portion B.) Always assigned by System Administrator C.) 48 bits long D.) Contains a vendor code and serial number  2
Identify IPX GNS and it's purpose? A.) Go Network Server - sends a print job to a network server B.) Get Nearest Server - locate the nearest server C.) Guaranteed Network Services - allocates resources to users D.) Get Notes Server - locates Domino Server  1
Given the configuration example<HR> <B>interface ethernet0 ipx network 4a ipx access group 800 out interface ethernet1 ipx network 3d interface ethernet2 ipx network 5c access list 800 permit 3d 4a</B><HR> Which two actions result from implementing this configuration? (Choose two) A. IPX network 5c will not receive any traffic B. Traffic from network 3d for network 4a will be forwarded out e0 C. Traffic from network 4a for network 3d will be forwarded out e0 D. Traffic from network 3d destined for network 4a will be forwarded out e2 E. The access list is applied to an outgoing interface and filters outbound traffic  1
What is the regional Telco office called, where the customers local loop terminates? A.) Demarc B.) DTE C.) DCE D.) CO E.) CPE  1
Where shall i do CCNA cour??. can i do CCNA at home if yes then where shall i get CCNA book or simmulator.or if not then plz reff. me any good center in delhi  1
Identify 2 features of PPP PAP authentication? A.) Username and password is sent in clear text B.) Authentication messages are sent periodically during the connection C.) More secure than CHAP D.) Remote node is control of authentication process  1
Identify 3 LAN technologies? A.) FDDI B.) HDLC C.) HSSI D.) X.25 E.) 802.3 F.) 802.5  1
Identify the purpose of the wildcard mask? A.) Match a certain portion of the IP address while ignoring the rest of the address B.) Determine the class of the IP address C.) Determine the network portion of an IP address D.) Hide the host portion of an IP address  2
Which of the following are Presentation Layer standards? A.) JPEG and PICT B.) MPEG and MIDI C.) ASCII and EBCDIC D.) NFS and SQL  2
Using the TCP/IP protocol suite, a message is sent from host A to a destination IP address on the same LAN. How does host A determine the destination of a MAC address? A. It uses a proxy APP B. It uses APP requests C. It uses PARP requests D. It uses a router lookup table  1
Identify 3 characteristics of a connection oriented protocol? A.) Path determination B.) Flow control C.) Acknowledgements D.) Uses hop count as metric E.) 3 step handshake  2
Which of the following use PVCs at layer 2? A.) X.25 B.) HDLC C.) Frame relay D.) ISDN  1
Which command would show all Ethernet interfaces with IPX configured on them? A.) show interface ipx ethernet B.) show ipx interface C.) show ipx interface ethernet D.) show ipx E.) show version F.) show run  1
What is the last step in data encapsulation? A.) User information is converted into data. B.) Segments are converted into datagrams and packets. C.) Frames are put into bits. D.) Data is converted into segments. E.) Packets are put into logical frame.  1
Which command will start the process for a Cisco IOS file image upgrade? A.) download B.) copy tftp flash C.) copy flash tftp D.) download flash E.) network  2
Which addresses are INCORRECTLY paired with their class? A. 1 to 126, Class A B. 128 to 191, Class A C. 1 to 126, Class B D. 128 to 191, Class B  2
Identify 3 IP routing protocols? A.) RIP B.) AURP C.) OSPF D.) IGRP E.) ARP F.) ICMP  1
What key do you use to view the last command? A.) Ctrl+X B.) Ctrl+Z C.) Ctrl+E D.) Ctrl+P  1
 
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