Adobe Certification

Cisco 642-901 exam
Title : BSCI - Building Scaleable Cisco Internetworks

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1. Which three restrictions apply to OSPF stub areas? (Choose three.)
A. No virtual links are allowed.
B. The area cannot be a backbone area.
C. Redistribution is not allowed unless the packet is changed to a type 7 packet.
D. The area has no more than 10 routers.
E. No autonomous system border routers are allowed.
F. Interarea routes are suppressed.
Answer: ABE

2. What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network in the show ip bgp
command output? (Choose two.)
A. The network was originated via redistribution of an interior gateway protocol into BGP.
B. The network was defined by a static route.
C. The network was originated via a network or aggregate command.
D. The network was learned via EBGP.
E. The network was learned via IBGP.
Answer: AC

3. Which three IP multicast group concepts are true? (Choose three.)
A. If a packet is sent to a multicast group address, all members of the multicast group will receive it.
B. If a packet is sent to a multicast group address, the multicast frame contains the source multicast
address.
C. A router does not have to be a member of a multicast group to receive multicast data.
D. A router does not have to be a member of a multicast group to send to the group.
E. A router must be a member of a multicast group to receive multicast data.
F. A router must be a member of a multicast group to send to the group.
Answer: ADE

4. EIGRP has been configured to operate over Frame Relay multipoint connections. What should the
bandwidth command be set to?
A. the CIR rate of the lowest speed connection multiplied by the number of circuits
B. the CIR rate of the lowest speed connection
C. the CIR rate of the highest speed connection
D. the sum of all the CIRs divided by the number of connections
Answer: A

5. When the passive-interface command is used on a router, which two routing protocols will continue to
receive routing updates on an interface that is configured as passive? (Choose two.)
A. OSPF
B. RIP
C. RIPv2
D. EIGRP
Answer: BC