CISCO Certification Questions


What is CISCO CERTIFICATION ?

Cisco Certification is an IT Professional certification program for Cisco products taken by Networking Professionals. CISCO provides Cisco career certifications at five levels: Entry, Associate, Professional, Expert, and Architect levels. CCENT, CCNA and CCNP are the popular certifications in Cisco at different levels. IT professionals aiming for CISCO certifications should have strong knowledge on the fundamentals of the networking concepts, advanced concepts.

 

CCENT is an entry level certification - CCENT certification covers the following topics: operations of data networks, switched networks, IP addressing scheme and IP services to meet network requirements. Implementing a small routed network, identifying security threats, WAN tasks and more.

 

CCNA is an associate level certification - CCNA certification covers topics as Internetworking basics and models, OSI reference models, Ethernet, Data Encapsulation, TCP/IP, IP addresses, Sub netting basics, backing up and Cisco IOS and configuration, Routing basics, switching services, VLAN basics and memberships, IPv6 addressing and Routing protocols, Virtual private networks and more.

 

CCNP is a professional level certification - CCNP certification covers the following topics in the syllabus: Implementing a multi-area OSPF Network, eBGP based solution, IPv6 based solution, IPv4 or IPv6 based redistribution solution, Layer3 Path Control Solution, Security Extension of layer 2, Switch based layer 3 services, Infrastructure to support advanced services, Troubleshoot Multi Protocol system networks, Maintain and monitor network performance and more.

 

We have a large database of sample questions on 'Cisco certifications' that are frequently asked in the certification exam for your practice.


Q:

What types of routes are allowed into a stub area?

Answer

OSPF intra-area and interarea routes, and a default route. External routes are not advertised into a stub area.

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Q:

What types of routes are allowed into a NSSA?

Answer

OSPF intra-area and interarea routes, and possibly a default route. External routes from ABRs are blocked, and external routes from ASBRs are converted to N1 or N2 routes.

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Q:

What is the difference between the types of routes allowed by default into IS-IS and OSPF areas?

Answer

By default, all routes are advertised into all OSPF areas. This includes interarea OSPF routes and external routes that have been injected into OSPF. By default, IS-IS does not advertise interarea or external routes into an area, but injects a default route.

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Q:

How does OSPF determine the DR on a multi-access network?

Answer

The router with the highest interface priority will be the router ID. If all the interface priorities on the multi-access network are the same, the router with the highest router ID will be the DR.

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Q:

What are the access, distribution, and core components of a North American phone number?

Answer

The last four digits are the used at the access layer to identify a particular telephone. The next three numbers are used at the distribution layer to identify an exchange that services several phone numbers. The area code is used at the core level for routing between different regions.

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