Interview Question Database | Top 300+ CCIE Interview Questions (Part 1)

 We have compiled a list of the most important 300+ interview questions for you to help you break through your CCIE interview. We have divided these interview questions into the following six topics:       

                                                                                                                       1.IP Routing

                                                                                                                          2.OSPF

                                                                                                                          3.EIGRP

                                                                                                                          4.QOS

                                                                                                                           5.BGP

                                                                                                                           6.MPLS

 

In this issue, we will first send you the interview questions related to the first part of the "IP Routing" topic.

                                                                                                               

                                                                                                                      IP Routing

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► What does it mean to have fast or autonomous switching “enabled” and “disabled” on the same interface?

 

► How is the load shared between two parallel lines of equal capacity when these lines are configured for load balancing?

 

► What does route summarization mean?

 

► When does a Cisco router generate a source quench?

 

► When does a Cisco router initiate a routing request out its interfaces?

 

►What is the difference between the IP default−gateway, IP default−network, and IP route 0.0.0.0/0 commands?

 

► How do I use the IP helper−address command to forward Bootstrap Protocol (BOOTP)  frames?

 

► Would it be possible to configure a router for a 255.255.254.0 Ethernet and a 255.255.252.0 serial subnet?

 

► Does IGRP/RIPv1 support variable subnetting?

 

► Can an interface have more than one IP access−group statement in its configuration?

 

► Can I configure two interfaces in the same subnet (t0 =142.10.46.250/24 and t1 142.10.46.251/24)?

 

► Is it possible to have duplicate IP addresses for two serial interfaces that belong to the same router?

 

► Is there a performance advantage when using the IP access list keyword established on an extended ACL?

 

► What is Unicast Reverse Path Forwarding (uRPF)? Can a default route 0.0.0.0/0 be used to perform a uRPF check?

 

► Who does load−balancing when there are multiple links to a destination, Cisco Express Forwarding (CEF), or the routing protocol?

 

► What is the maximum number of secondary IP addresses that can be configured on a  router interface?

 

► Can a  VLAN interface and a tunnel interface have the same IP address?

 

► What is Virtual Routing and Forwarding (VRF)?

 

► How do I connect two different ISPs and route different traffic to different ISPs?

 

► What is the difference between the two methods to create static routes?

 

► What is the purpose of ports 2228 and 56506?

 

► How do you limit the number of sessions when a customer accesses the network?

 

► What do the term threshold and timeout in IP SLA operation mean?

 

► What is  Network Descriptor Block (NDB)?

 

►What is the difference between point−to−point subinterfaces and multipoint subinterfaces?