Hello again! Here are the answers to Sunday's Cisco and CompTIA exam questions!

CCNA Exam:

What's the overall limit on the number of access-control lists that can be configured on a single interface?

Answer: Two - one filtering incoming traffic and one filtering outgoing traffic.



A+ Certification / Network+ Certification Combination Question:

Which of the OSI layers is responsible for the construction, maintenance, and teardown of a communication channel between two end hosts?

Answer: That's the Session layer's job. The Session layer is basically the manager of the end-to-end connection.


CCNP Certification / BCSI Exam:

The definition "a router that has an interface in Area 0 and another in a non-backbone area" describes what OSPF router type?

Answer: That's the textbook definition of an Area Border Router (ABR).


CCNP Certification / BCMSN Exam:

In an Etherchannel, what mathematical operation decides the physical channel that will actually carry the data from a particular source to a particular destination?

Answer: That's the XOR operation, short for "Exclusive OR".

See you later today with more free Cisco and CompTIA questions, a new free tutorial, and remember - just two more days until you can enroll in my exclusive At-Home Network+ Boot Camp!

To your success,

Chris Bryant
CCIE #12933
http://www.thebryantadvantage.com

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