By Brian Morgan
Prepare for the hot CCNP 642-821 BCRAN examination with the respectable examination education guide
- Learn the distant entry layout and administration subject matters for the hot Cisco CCNP 642-821 BCRAN examination with the one respectable guidance book
- Practice with greater than two hundred attempt questions, together with simulation-based questions about the enclosed CD-ROM
CCNP BCRAN examination Certification Guide
Comprehensive insurance of all examination issues guarantees readers will arrive at a whole realizing of what they should grasp to be successful at the examination. This booklet follows a logical association of the BCRAN examination goals, and is written in a modular, small-chapter layout that breaks parts into easy-to-absorb components. It additionally includes the opposite useful studying parts of an examination Certification advisor from Cisco Press that determine proposal comprehension and retention. those contain pre- and post-chapter quizzes, foundational overview sections, scenario-based workouts and a CD-ROM checking out engine with greater than 2 hundred questions, together with simulation-based questions like at the real exam.
In addition to applied sciences like ISDN, DDR (Dial-on-Demand Routing), body Relay, NAT (Network tackle Translation), AAA (Authentication, Authorization, Accounting), and different comparable applied sciences coated within the first variation, this variation additionally includes an advent to QoS (Quality of Service), VPN (Virtual deepest Networks), VPDN (Virtual deepest Dial-up Networks), and DSL (Digital Subscriber Line) technologies.
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Additional info for CCNP BCRAN Exam Certification Guide 642-821
ATM is considered to be the grandfather of LAN extensions. Typical speeds are 5 Mbps to 622 Mbps. Emerging WAN Technologies The following are the emerging WAN technologies: ■ xDSL LAN Extension—This is a newer technology that offers WAN connectivity to remote sites by simulating an Ethernet environment over xDSL technologies. It is used for higherbandwidth solutions and, because of the common infrastructure that it uses, service providers can offer it at lower prices. Typical speeds are up to 1 Mbps synchronous or 640 kbps upload and up to 8 Mbps download if you get an asynchronous ﬂavor of DSL.
No way of differentiating packets c. Only two classes of trafﬁc, high and normal d. Lower-priority queues could be starved for bandwidth How many user-deﬁnable queues are available with Custom Queuing? a. 1 b. 2 c. 4 d. ” The suggested choices for your next step are as follows: ■ 8 or fewer overall score—Read the entire chapter. This includes the “Foundation Topics,” “Foundation Summary,” and “Q&A” sections. ■ 9, 10, or 11 overall score—Begin with the “Foundation Summary” section and then go to the “Q&A” section.
Bandwidth Reservation Protocol—If devices along the path support the reservation protocol, a connection from sender to receiver can be set up with a guaranteed CoS, providing timesensitive or bandwidth-intensive trafﬁc the necessary path through the network. ■ QoS classification—With the IP precedence bits, you can differentiate multiple classes of service for different trafﬁc types. Therefore, you can provide different trafﬁc-ﬂow characteristics that the packets need to traverse the network properly.