CCNA Interview Questions and Answers

by GangBoard Admin, January 25, 2019

In case you’re searching for CCNA Interview Questions and Answers for Experienced or Freshers, you are at the correct place. There is parcel of chances from many presumed organizations on the planet. The CCNA advertise is relied upon to develop to more than $5 billion by 2020, from just $180 million, as per CCNA industry gauges. In this way, despite everything you have the chance to push forward in your vocation in CCNA Development. Gangboard offers Advanced CCNA Interview Questions and answers that assist you in splitting your CCNA interview and procure dream vocation as Java Developer.

Q1) How do configure a cisco router to route ipx?

Answer:To initial things to enable ipx routing using by ipx routing protocol.

Q2)What are the ipx access list?


  • Standard
  • Extended

Q3)What is subnetting?

Answer:It is the process of creating smaller network into large networks.

Q4)What are the advantage of layered models in the networking industry?

Answer:A layered network offers of many advantages. Allow the administartors to make the change in one layer without changes in other layers.

Q5)Why is UDP lease favored when compared to TCP?

Answer:Its because UDP is unreliable and unsequenced.

Q6)What are standards of presentation layer?

Answer:It is support which data ensures that data is presented correctly.

Q7)What is easy way to remotely configure a router?

Answer:The most convenient to use the CISCO auto install procedure.

Q8)What does the show protocol display?


  • Routed protocols that is configured
  • The address assigned on each interface

Q9)How do you depict an ip address?


  • Using dotted-deciaml
  • Using binary
  • Using hexadeciaml

Q10)Expand of HDLC?

Answer:High-level data link control protocol.

Q11)What is Bandwidth?

Answer:To refer the transmission capacity of a medium. will measure how much of volume a transmission channel.

Q12)How are inter networks created?

Answer:created when networks are connected using routers.

Q13)How does hold-downs work?


  • Its to prevent regular update message from reinstating downed by a link
  • Removing that link from update message

Q14)What are the packets?

Answer:Packets are the results of data encapsulation.

Q15)What are the segments?

Answer:Segments are section of a data stream that comes from the upper OSI layers.

Q16)Benefits of LAN switching?


  • Allows full duplex
  • Media rate adaption
  • Easy and efficient migration

Q17)Expand DLCI?

Answer:Data Link Connection Identifiers.

Q18)What are types of password used in CISCO routers?

Answer:Five types of password

  • Secret
  • virtual
  • Terminal
  • Console
  • Auxillary

Q19)Why is network segmentation to managing a large networks?

Answer:Segmenting a network would help network traffic and ensures that high bandwith.

Q20)How do access the identifying the router information?

Answer:The host name and the interface.

Q21)What is the size of IPv4 and IPv6?


  • IPv4 -32 bits
  • IPv6 -128 bits

Q22)What is the process of DHCP?

Answer:It has dora process.

Q23)Mention the boot is?

Answer:To use computer networking protocol use to deploy an ip address to network devices from a configuration.

Q4)Mention the ranges for the private IPs?


  • Class a:
  • Class b:
  • Class c:

Q25)How many ways to access the router?


  • Telnet
  • Aux
  • Console

Q26)Mention the matric of eigrp protocol?


  • Bandwidth
  • Load
  • Delay
  • Reliability
  • Mtu

Q27)Mention the clock rate?

Answer:Clock rate the routers or DCE to communicate appropriately.

Q28)What command do we give router ios is stucks?

Answer:Ctrl+shift+F6 and x.

Q29)What is route poisoning?

Answer:Route positioning is a technique of preventing a network from transmitting packets in route it became a invalid.

Q30)Which route entry will be assigned to dead or invalid route in rip?

Answer:16 hops assigned to dead or invalid route making to unreachable.

Q31)Define DMZ?

Answer:Network as the inside and everything else as a outside Will be in firewall.

Q32)Identify the true statements?

Answer:stateless packet filtering consider the TCP connection to the state b.

Q33)The CISCO IOS firewall feature act as a stateful or stateless packet filter?

Answer:The CISCO IOS firewall is stateful filter.

Q34)What are the three key features of URL filtering?


  • Predefined URL categories
  • Malware protection

Q35)How many types of RIP message?

Answer:Two types of message request and response.

Q36)What is the TCP and BGP port number?

Answer:BGP is 179 and TCP is 0.

Q37)What will be the net mask for /24?


Q38)What will be net mask for the /16?


Q39)What is the level one routing in is-is?

Answer:It has to work with destination point.

Q40)Expand BGP?

Answer:Border Gateway Protocol.

Q41)What is difference between the STP and RSTP?


  • Stp to prevent the loop address
  • Rspt is almost same as stp to reduce the port forwarding time

Q42)What is core network?

Answer:Without core network whole network will not run.

Q43)Which layer SIP protocol work?

Answer:Sip will  work at application.

Q44)Which layer hub work?

Answer:Physical layer

Q45)What is load Balancer?

Answer:It is balancing the packet flows.

Q46)What is the purpose of http protocol?

Answer:Used to transfer data or files.

Q47)What are the three routing protocols?


  • Distance vector
  • Link-state
  • Balanced hybrid

Q48)What is ad of extended EIGPR?

Answer:Ad= 170

Q49)What will be the BGP first prefix accessible?

Answer:Will check the next hop attributes to determine next hop is accessible.

Q50)What is difference between RIP and OSPF?

Answer:Rip broadcast its routing table after reach 30 sec OSPF only entries the update of missing neighbor routing tables.

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