Top 100+ Cisco Network Engineer Interview Questions And Answers
Question 1. What Is The Access List Range For Extended Ip Access List?
Answer :
The access listing range is a hundred - 199.
Question 2. Name A X.25 Addressing Standard?
Answer :
X.121 is a x.25 layer three add. General.
Networking Interview Questions
Question 3. List Three Important Properties Of Igrp?
Answer :
It is a composite metric. There are updates every 60 seconds and it's far a poison opposite.
Question 4. Where Can The Backup Configuration File Be Found?
Answer :
It is stored within the NVRAM.
Networking Tutorial
Question five. What Are The Three Features Of Ip Access Lists?
Answer :
There are 3 specific sorts of access lists. These are general, extended and named.
CCNA Interview Questions
Question 6. How Can A Router Be Configured?
Answer :
It may be configured through TFTP, Nvram or Console
Question 7. Which Mechanism Takes Place In A Traffic Light?
Answer :
Flow control
Dynamic Link Library (DLL) Tutorial Switching Interview Questions
Question eight. What Is Windowing?
Answer :
It is a type of glide manipulate.
Question nine. Which Filters Are Used To Control Sap Traffic?
Answer :
Input sap filter and output sap filters can be used for the same.
Firewall Support Interview Questions
Question 10. Which Hardware Component Is Used To Store Buffers, Tables, Etc.?
Answer :
RAM
Question 11. What Are The Important Features Of Udp?
Answer :
It is the layer 4 shipping protocol and has no handshaking.
Routing Protcol Interview Questions
Question 12. What Is The Number Range Of Ipx Access List?
Answer :
The variety is 800-899
Networking Interview Questions
Question 13. Name The Osi Layer Which Helps Ensure Packet Delivery?
Answer :
Network layer.
Question 14. How Can You Vary The Router Boot Sequence?
Answer :
It may be performed by way of boot gadget commands and config check in.
Question 15. Which Hardware Is Necessary For Broadcasts?
Answer :
transfer, repeater and bridge.
Cisco Interview Questions
Question sixteen. What Are The Important Characteristics Of Ppp Pap Authentication?
Answer :
Username and password is despatched in clear textual content and The authentication controls remote node.
Question 17. Which Switching Method Is Used To Examine The Destination Mac Address?
Answer :
Cut thru is the switching method used to look at it.
Cisco Nexus switches Interview Questions
Question 18. What Is The An Important Feature Of Rarp.?
Answer :
The complete form of RARP is Reverse Address Resolution Protocol. It is used to start remote O/S load sequence.
CCNA Interview Questions
Question 19. Which Protocol Helps Test The Connectivity Without Configuration Of Layer 3 Protocols?
Answer :
CDP protocol
Question 20. What Is The Use Of Ipx Sap?
Answer :
It stands for Service Advertising Protocol and it is used to put it on the market offerings.
Firewall (computing) Interview Questions
Question 21. List The Default Values In Eigrp Metric?
Answer :
The default values are bandwidth and postpone.
Question 22. What Is The Default Serial Encapsulation?
Answer :
HDLC is the default serial encapsulation.
Question 23. What Is The Use Of Arp?
Answer :
It is used to decide the MAC Address of a workstation.
Cisco Unified Computing System Interview Questions
Question 24. What Is The Use Of Dlci?
Answer :
It is used to perceive the PVC in frame relay community.
Switching Interview Questions
Question 25. Important Features Of Osi Layer three - Network Layer?
Answer :
Determines the path, multiplexing and management of classes.
Question 26. List The Important Characteristics Of Switches?
Answer :
The bandwidth is extended and collision domain names are created. Also it helps ahead site visitors the usage of mac deal with.
Router Interview Questions
Question 27. Which Osi Layer Is Used For Physical Address And Network Topology?
Answer :
The Data hyperlink layer serves this cause.
Firewall Support Interview Questions
Question 28. Why Do We Have To Disable Cdp?
Answer :
To shop the bandwidth by using reducing overhead and to hook up with a non cisco router.
Question 29. What Are The Important Characteristics Of Isdn?
Answer :
It transports each voice and records, and same as X.25
Enhanced Interior Gateway Routing Protocol (EIGRP) Interview Questions
Question 30. List The Important Characteristics Of Igrp?
Answer :
Multiple unequal paths, self sufficient machine range, and so forth.
Question 31. What Is The Range Of Extended Ip Access List?
Answer :
The range is one hundred-199
Question 32. Which Hardware Component Is Used To Store Backup Configuration?
Answer :
NVRAM is used for this.
Dynamic Link Library (DLL) Interview Questions
Question 33. Which Is The Ipx Serial Encapsulation By Default?
Answer :
HDLC
Routing Protcol Interview Questions
Question 34. Important Features Of Ppp Chap Authentication?
Answer :
Authentication messages and local router challenges
Question 35. How Many Dns Servers Can Be Specified With One Command?
Answer :
6 DNS Servers may be targeted with one command.
Question 36. What Is The Use Of Cisco Ios Exec Command Trace?
Answer :
The “trace [protocol] [destination]” is used to find out routes that packets will tour to their vacation spot hosts. TTL (Time to Live) is used to file vacation spot route records.
Cisco Interview Questions
Question 37. What Is The Use Of “ip Name-server 255.255.255.255?
Answer :
It sets the domain name lookup to be a neighborhood broadcast.
Question 38. Which Format Is Useful For Configuring The Subnet Mask For An Ip Address?
Answer :
dotted decimal, hexadecimal and bit rely codecs can be used.
Question 39. Which Process Is Used To Find An Ip Address From A Mac Address?
Answer :
RARP Process
Question 40. What Is Source Quench?
Answer :
It is the condition whilst the router lacks any more buffer area.
Cisco Nexus switches Interview Questions
Question forty one. What Is Icmp Protocol?
Answer :
It is used to carry messages like vacation spot unreachable, supply quench, parameter problem, time exceeded, timestamp, cope with respond and deal with request.
Question 42. Name Any Two Protocols Which Can Exist In The Protocol Field Of An Ip Packet.?
Answer :
These are TCP and UDP Protocols.
Firewall (computing) Interview Questions
Question forty three. Which Field In The Ip Packet Has Network Testing?
Answer :
The community trying out is observed in IP Options discipline.
Question forty four. How Does The Internet Layer Know How To Handle An Ip Packet?
Answer :
The type of service tells it.
Question forty five. What Is The Use Of Ddr On Cisco Routers?
Answer :
It is used for dial on call for routing. DDR presents routing for low quantity and periodic traffic.
Question 46. Cisco Router Has Two Types Of Access Lists?
Answer :
Standard and Extended
Question 47. What Do You Know About The Udp Datagram Format?
Answer :
Source Port - sixteen bits, Destination Port - 16 bits, Length - sixteen Bits, Checksum - sixteen bits, Data
Question forty eight. When Using Access Lists, What Does A Cisco Router Check First?
Answer :
The cisco routers checks whether or not the packet is routable or bridgeable
Question 49. How Many Access Lists Are Allowed Per Interface?
Answer :
One Access listing according to port, consistent with protocol is permitted.
Question 50. What Happens If We Set A Wildcard Mask Bit To zero In Cisco Routers?
Answer :
The router assessments the corresponding bit fee.
Question 51. Which Abbreviation Is Used To Tell The Router To Check All Numbers?
Answer :
host
Question 52. Which Service Is Used To Get Data From Multiple Sources And Allocate Bandwidth On One?
Answer :
TDM or Time Domain Multiplexing
Question fifty three. How Can We Convert The User Data From Dte To Wan Service Form?
Answer :
We can use the Modem, CSU/DSU and TA/NT1 for this.
Question fifty four. Which Are The Different Forms Of Wan Services Accessed By Cisco Routers?
Answer :
These are Switched offerings, Using protocols connecting peer to peer devices and Interface front give up to IBM Enterprise Data center computer systems.
Question fifty five. What Are The Cisco Hdlc Protocol.?
Answer :
It carries the Flag, Address, Control, Proprietary, Data, FCS and Flag.
Question 56. What Is The Quality Protocol?
Answer :
It monitors information dropped on a hyperlink.
Question 57. What Is Magic Number?
Answer :
It allows keep away from body looping.
Question fifty eight. What Is The Use Of Multilink Protocol Mp?
Answer :
It is used to provide load balancing throughout multiple hyperlinks.
Question 59. Which Authentication Method Is Preferred To Set Up A Session?
Answer :
CHAP
Question 60. Which Compression Protocols Are Used For Ppp?
Answer :
Stac and Predictor
Question 61. Name And Explain The Phases Of Ppp Session Establishment.?
Answer :
These are link status quo phase, authentication phase and the network layer protocol section.
Question 62. Name The Default Ipx Ethernet Encapsulation?
Answer :
Novell-Ether is the default IPX Ethernet encapsulation.
