Free PassGuide ccdp 642-873 exam Download

Cisco Certified Design Professional (CCDP)

The CCDP picks up where the CCDA leaves off, also falling under the Network Engineering and Design heading. It’s an intermediate-level certification to which Cisco attributes “journeyman” or “advanced” knowledge of network design. Their description of the credential goes on to mention that it enables its holders to “design routed and switched networks involving LAN, WAN and dial access services” for installations of up to 500 nodes. To ensure the right knowledge base in its candidates, the CCDP requires both CCNA and CCDA as prerequisites.

As you’d expect from a professional-level credential, the CCDP requires multiple exams (either two or three exams, depending on the options chosen). Because the two-exam track requires taking a Foundations exam that basically combines three of the individual exams in the four-exam track, the two tracks differ neither in subject matter nor coverage. The two-exam track costs less than the three-exam track, but requires candidates to study for a much longer, more intense exam as a trade-off.

Because of their more professional status, CCDPs are more likely to be able to find employment based on that credential (though the importance and validity of relevant, on-the-job experience is impossible to overstate or overrate).

CCDP Exams
Two-Exam Track:
642-892 Composite Building Scalable Cisco Internetworks (BSCI)/Building Cisco Multilayer Switched Networks (BCMSN)
642-873 ARCH Designing Cisco Network Service Architectures (ARCH)

Three-Exam Track:
642-901 BSCI Building Scalable Cisco Internetworks (BSCI)
642-812 BCMSN Building Cisco Multilayer Switched Networks (BCMSN)
642-873 ARCH Designing Cisco Network Service Architecture (ARCH)

TestKing offers study products for all the CCDP related exams. CCDP certifications are valid for three years. To recertify, pass any 642 exam that is part of the professional level curriculum after 01/01/06, or pass a current CCIE or CCDE written exam.

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QUESTION 16
How does ERS use the VLAN tag?
A. As a mapping to the DLCI in service internetworking
B. To support transparency for Layer 2 frames
C. As a connection identifier to indicate destination
D. To provide service internetworking
E. To provide a trunk by which all VLANs can navigate from one site to one or multiple
sites
Answer: C
QUESTION 17
Which of these terms refers to call issues that cause variations in timing or time of
arrival?
A. Digitized sampling
B. Queuing
C. Packet Loss
D. Jitter
E. Signal-to-noise ratio ratio
Answer: D
QUESTION 18
What two descriptions best define DWDM? (Choose two.)
A. A technology for transmitting multiple optical signals using less sophisticated
transceiver designs then CWDM
B. A WDM system that is compatible with EDFA technology
C. An optical technology for transmitting up to 32 channels over multiple fiber strands
D. An optical technology for transmitting up to 16 channels over multiple fiber strands
E. A technology for transmitting more closely packed optical signals using more
sophisticated transceiver designs than CWDM
Answer: B,E
QUESTION 19
Which two design concerns must be addressed when designing a multicast
implementation? (Choose two.)
A. The 0×01004f MAC address prefix is used for mapping IP Addresses to MAC
addresses
B. Only the low-order 24 bits of the MAC address are used to map IP Addresses
C. Only the low-order 23 bits of the IP Address are used to map MAC addresses
D. Only the high-order 23 bits of the MAC address are used to map IP Addresses
642-873
www.actualtest.org – The Power of Knowing
E. The 0×01005e MAC address prefix is used for mapping IP Addresses to MAC
addresses
F. Only the low-order 23 bits of the MAC address are used to map IP Addresses
Answer: C, E
QUESTION 20
Which two of these are characteristics of an IDS sensor? (Choose two.)
A. Has promiscuous interface that is used to monitor the network
B. Passively listens to network traffic
C. In an active device in the traffic path
D. Traffic arrives on one IDS interface and exits on another
E. Has a permissive interface that is used to monitor network
Answer: A,B