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Categories  >>  Certifications  >>  Cisco Certifications  >>  CCNA
 
 


 

 
 CCNA interview questions  CCNA Interview Questions
 CCDA interview questions  CCDA Interview Questions
Question
Sequence and acknowledgement numbers are used for?

A.) Layer transitioning

B.) Flow control

C.) Port number addressing

D.) Reliability
 Question Submitted By :: Guest
I also faced this Question!!     Rank Answer Posted By  
 
  Re: Sequence and acknowledgement numbers are used for? A.) Layer transitioning B.) Flow control C.) Port number addressing D.) Reliability
Answer
# 1
Answer: D
 
Is This Answer Correct ?    3 Yes 0 No
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Other CCNA Interview Questions
 
  Question Asked @ Answers
 
What is the function of the Transport layer and which protocols reside there? A.) MAC addressing - IP B.) Interhost communication - SQL, NFS C.) Best effort Packet delivery - TCP, UDP D.) End-to-end connections - TCP, UDP  2
What command do you enter at the keyboard to begin a user mode session? A.) Type 'CTRL-P' B.) Type 'login' C.) Just press . D.) Type 'enable' E.) Press 'Shift + Ctrl + 6' 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 connecting to non-Cisco equipment C.) You must use Q.933a encapsulation if connecting to non-Cisco equipment D.) You must use Cisco encapsulation if connecting to non-Cisco equipment  2
Identify the 2 characteristics that TCP and UDP share in common? A.) Both use port numbers to identify upper level applications B.) Operate at the Network layer C.) Both are Transport protocols D.) Both are reliable communications  3
Which statement is true when a broadcast is sent in an Ethernet/802.3 ITAN? A. The ip shored used is 255.255.255.0 B. The IP address used is 255.255.255.255 C. The MAC address used is 00 00 00 00 00 00 D. The MAC address used is FF FF FF FF FF FF  1
Which protocol gets a hardware address from a known IP address? A.) RARP B.) TCP C.) IP D.) BootP E.) ARP F.) ICMP  3
IP standard access lists use which of the following as a basis for permitting or denying packets? A.) destination address B.) port C.) protocol D.) source address  2
Which feature of PPP (Point to Point Protocol) allows the router to bind multiple channels together, to form a single logical channel? A.) multi-link ppp B.) multi-channel ppp C.) can't be done D.) omni-ppp E.) plp  1
Which of the following is not a characteristic of link-state routing protocols? ❍ A. VLSM support ❍ B. Route summarization at any bit level ❍ C. Full routing updates at regular intervals ❍ D. Discontiguous network support  1
Identify 3 methods used to prevent routing loops? A.) Split horizon B.) Holddown timers C.) Poison reverse D.) SPF algorithm E.) LSP's  2
Which statement about half duplex Ethernet operations is true? A. With half duplex transmission frames feed into a single cable in one direction at a time. B. Half duplex transmission between stations is achieved by using point to point Ethernet and Fast Ethernet connections C. Half duplex transmission between stations is achieved by using point to munificent Ethernet and Fast Ethernet connections D. Half duplex Ethernet technology provides a transmit circuit connection wired directly to the receiver circuit at the other end of the connection  5
What is the protocol number for UDP? A.) 6 B.) 17 C.) 25 D.) 21  2
Identify the default IPX serial encapsulation? A.) Novell-Ether B.) SDLC C.) SNAP D.) HDLC  1
Identify the command to disable CDP on an interface? A.) Router(config-if)# no cdp enable B.) Router(config-if)# no cdp run C.) Router# no cdp enable D.) Router(config-if)# no cdp  1
Which of the following are examples of the Transport Layer? A.) SQL B.) UDP C.) IP D.) LLC E.) ARP  1
which term use to allow user to conect the remote n/w with ppp dail up conection ras sap sonet mane answer rsa  1
What command would you use to find out the names of Novell servers on a network? A. show ipx servers B. show ipx hosts C. show ipx sap D. show ipx nodes.  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  1
In the setup dialog, what do the square brackets indicate? A. current or default spores B. hard coded values that cannot be modified C. values entered by the administrator but not saved D. values that must be written to NVRAM before becoming enabled  1
What is a characteristic of Store and Forward switches? A.) They forward the frame before it is completely read. B.) They work at wire speed. C.) They are the same a Cut-Through switching. D.) They read the entire frame and check CRC before forwarding. E.) They decrease latency.  1
 
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