The Cisco Certified Internetwork Expert (CCIE) is the topmost network certification that can be offered for networking professionals at senior level who create, build, carry out, maintain, or restore complicated networking operations. CCIE is described by Cisco as its  premium networking certification.  Considered as among the most challenging exams, CCIE includes both theoretical or written and practical or lab exams. And once one has become CCIE recipient, he/she can be deliberate in performing specific tasks such as switching and routing, communications and services, voice technologies and systems, or security.

Specifically, the Cisco Certified Network Professional (CCNP) is one of the professional certifications being provided under CCIE. Becoming a CCNP holder proves one s capacity to work with certain technology such as broadband, VPNs, Qos, and security-minded features. Also, CCNP certification confirms one s ability to work out medium-sized networks, those with end devices between 100 and 500. One must first obtain a CCNA certification, along with three or four other exams before acquiring a CCNP. The four tests required for candidates to pass are
(1) 642-901 BSCI (Building Scalable Cisco Internetworks);
(2) 642-812 BCMSN (Building Cisco Multilayer Switched Networks);
(3) 642-825 ISCW (Implementing Secure Converged Wide Area Networks); and
(4) 642-845 ONT (Optimizing Converged Cisco Networks).

Both BSCI and BCMSN can be taken under a single exam known as the 642-892 Composite. This composite exam basically covers subject matters for BCMSN and BSCI.

Lastly, to maintain certification, one may either upgrade to a CCIE every after three years or re-certify. The Prep Center provides access to further equipment and resources that are helpful in getting ready for the certification.

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