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Exam Number/Code: 642-892
Exam Name: Composite
VUE Code: 642-892
Questions Type: Multiple choice,
Exam Language(s): English

“Composite”, also known as 642-892 exam, is a Cisco certification.
Preparing for the 642-892 exam? Searching 642-892 Test Questions, 642-892 Practice Exam, 642-892 Dumps?
With the complete collection of questions and answers, Pass4sure has assembled to take you through 228 Q&As to your 642-892 Exam preparation. In the 642-892 exam resources, you will cover every field and category in CCNP helping to ready you for your successful Cisco Certification.

The Composite exam (642-892) is the quickest way for currently certified Cisco Certified Network Professionals (CCNP®) and Cisco Certified Design Professionals (CCDP®) to obtain recertification. The exam tests skills and knowledge pertaining to the Building Scalable Cisco Internetworks (BSCI) and Building Cisco Managed Switched Networks (BCMSN) courses. Composite may be taken to recertify CCNP and CCDP certifications; it may also be taken in place of the BSCI and BCMSN exams required for CCNP and CCDP certifications. Candidates must successfully pass both routing and switching subsections of the Composite exam to successfully pass the exam.

QUESTION 36:
What is the purpose of the “eigrp stub” configuration command?
A. To increase scalability by limiting the EIGRP query range.
B. To reduce the size of the routing table by blocking the D EX (External EIGRP) routes
in the EIGRP stub router.
C. To reduce the convergence time by enabling the EIGRP stub router to propagate the
EIGRP queries from the EIGRP hub router.
D. To reduce the convergence time by enabling the EIGRP stub router to also perform
query requests to the EIGRP hub router.
Answer: A
Explanation:
Complex, redundant EIGRP networks can cause scalability problems. The best solution
to this is to provide a means within the context of the EIGRP protocol itself to control
traffic flows and limit query depth. TheEIGRP Stub Router functionality in Cisco IOS
Software Release 12.0(7)T can achieve this solution.
The Enhanced Interior Gateway Routing Protocol (EIGRP) Stub Routing feature
improves network stability, reduces resource utilization, and simplifies stub router
configuration.
Stub routing is commonly used in a hub and spoke network topology. In a hub and spoke
network, one or more end (stub) networks are connected to a remote router (the spoke)
that is connected to one or more distribution routers (the hub). The remote router is
adjacent only to one or more distribution routers. The only route for IP traffic to follow
into the remote router is through a distribution router. This type of configuration is
commonly used in WAN topologies where the distribution router is directly connected to
a WAN. The distribution router can be connected to many more remote routers. Often,
the distribution router will be connected to 100 or more remote routers. In a hub and
spoke topology, the remote router must forward all non local traffic to a distribution
router, so it becomes unnecessary for the remote router to hold a complete routing table.
Generally, the distribution router need not send anything more than a default route to the
remote router.
When using the EIGRP Stub Routing feature, you need to configure the distribution and
remote routers to use EIGRP, and to configure only the remote router as a stub. Only
specified routes are propagated from the remote (stub) router. The router responds to
queries for summaries, connected routes, redistributed static routes, external routes, and
internal routes with the message “inaccessible.” A router that is configured as a stub will
send a special peer information packet to all neighboring routers to report its status as a
stub router.
Any neighbor that receives a packet informing it of the stub status will not query the stub
router for any routes, and a router that has a stub peer will not query that peer. The stub
router will depend on the distribution router to send the proper updates to all peers.
Reference:

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QUESTION 37:
The Certkiller network administrator has issued the “EIGRP stub” command on
router CK8 . What is the purpose of the “EIGRP stub” configuration command?
A. to reduce the convergence time by enabling the EIGRP stub router to propagate the
EIGRP queries from the EIGRP hub router.
B. to increase scalability by limiting the EIGRP query range.
C. to reduce the size of the routing table by blocking the D EX (External EIGRP) routes
into the EIGRP stub router.
D. to reduce the convergence time by enabling the EIGRP stub router to also perform
query requests to the EIGRP hub router.
E. None of the above.
Answer: B
Explanation:
The Enhanced Interior Gateway Routing Protocol (EIGRP) Stub Routing feature
improves network stability, reduces resource utilization, and simplifies stub router
configuration.
Stub routing is commonly used in a hub and spoke network topology. In a hub and spoke
network, one or more end (stub) networks are connected to a remote router (the spoke)
that is connected to one or more distribution routers (the hub). The remote router is
adjacent only to one or more distribution routers. The only route for IP traffic to follow
into the remote router is through a distribution router. This type of configuration is
commonly used in WAN topologies where the distribution router is directly connected to
a WAN. The distribution router can be connected to many more remote routers. Often,
the distribution router will be connected to 100 or more remote routers. In a hub and
spoke topology, the remote router must forward all nonlocal traffic to a distribution
router, so it becomes unnecessary for the remote router to hold a complete routing table.
Generally, the distribution router need not send anything more than a default route to the
remote router.
When using the EIGRP Stub Routing feature, you need to configure the distribution and
remote routers to use EIGRP, and to configure only the remote router as a stub. Only
specified routes are propagated from the remote (stub) router. The router responds to
queries for summaries, connected routes, redistributed static routes, external routes, and
internal routes with the message “inaccessible.” A router that is configured as a stub will
send a special peer information packet to all neighboring routers to report its status as a
stub router.
Any neighbor that receives a packet informing it of the stub status will not query the stub
router for any routes, and a router that has a stub peer will not query that peer. The stub
router will depend on the distribution router to send the proper updates to all peers.
Router(config-router)# eigrp stub [receive-only | connected | static | summary]
:Configures a remote router as an EIGRP stub router.
QUESTION 38:
Router CK1 is an EIGRP router terminating a low speed circuit. When configuring
EIGRP to run across a 56 Kbps serial PPP link, what command do you need to put
under the serial interface to ensure proper convergence of EIGRP routes?
A. bandwidth 56000
B. bandwidth 56
C. ip bandwidth-percent eigrp 1 56
D. ip bandwidth-percent eigrp 1 56000
E. None of the above
Answer: B

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