10 CCENT, CCNA, CCNP Interview Questions

10 CCENT, CCNA, CCNP Interview Questions - By: M. Aslam, Posted on: 2008-05-01

Q-1 What type of routing protocol maintains neighbors?

Answer- Link State

Q-2 what is the range of values for administrative distance?

Answer: 0-255

Q-3 Describe the difference between unicast, multicast, and broadcast traffic?

Answer: Unicast traffic flows from a single source to a single destination MAC
address. Multicast traffic flows from a single source MAC address to many destinations
and uses a functional MAC address. Broadcast traffic is from a single
source to all devices on the Ethernet segment. This is specified by a destination
MAC address of all ones.

Q-4 What are the four different Ethernet encapsulation types?

Answer: From the Cisco IPX encapsulation command they are ARPA, NOVELL-ETHER,
SAP and SNAP

Q-5 What are the three main tasks of a transparent bridge?

Answer: Learning, Forwarding, Filtering

Q-6 What type of routing protocol is EIGRP?

Answer: Hybrid

Q-7 What is the range of values for administrative distance?

Answer: 0-255

Q-8 What algorithm does OSPF use to compute its route table?

Answer: OSPF uses the shortest path first (SPF) algorithm, which is also known as the
Dijkstra algorithm.

Q-9 What is a stub area?

Answer: A stub area is an area that does not accept routing updates from outside its
autonomous system.

Q-10 What does the TTL field of an IP packet header do?

Answer: The TTL field indicates the maximum time that a packet can be on the network.
Each router that processes this packet decrements the TTL value by 1. If the
value reaches zero, the packet is discarded from the network. The purpose of
this field is to eliminate the possibility of a packet endlessly traversing the network.

Article Source:- Directory Submission & Sexy Deepika Padukone

M. Aslam is the founder of www.FreeTechExams.com, Central resource for people who are looking for free CCNA Practice Exams and CCNA Study Notes

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