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Cisco Implementing cisco ip routing Sample Questions:

1. What happens when an IPv6 enabled router running 6to4 must send a packet to a remote destination and the next hop is the address of 2002::/16?

A) The IPv6 packet is dropped because that destination is unable to route IPv6 packets
B) The packet is tagged with an IPv6 header and the IPv6 prefix is included
C) The IPv6 packet has its header removed and replaced with an IPv4 header
D) The IPv6 packet is encapsulated in an IPv4 packet using an IPv4 protocol type of 41

2. Refer to the exhibit. Router B and router C are performing mutual redistribution between OSPF and EIGRP, and their default metrics are configured the same. Router D has equal cost paths to networks where both paths are not really equal cost. For example, network 172.16.54.0 shows equal cost through both router B and router C, though in reality the cost is greater using router C.
Other routers, though not shown, are connected to the 172.16.54.0 and 172.16.55.0 networks, and the same issues exist to those routers and the networks connected to them. What can be done so that data will be routed along the most optimal path in the network?

A) Set the maximum number of equal cost paths to 1 in all routers.
B) Adjust the default metrics in router B and router C so that the values are different in each router.
C) None of these solutions will fix the problem. Migrate to a single dynamic routing protocol.
D) When redistributing EIGRP into OSPF, set the external metric type to type E1.
E) Redistribute connected interfaces on router B and router C.

3. An IPv6 overlay tunnel is required to communicate with isolated IPv6 networks across an IPv4 infrastructure. There are currently five IPv6 overlay tunnel types. Which three IPv6 overlay tunnel statements are true? (Choose three.)

A) Cisco IOS supports manual, generic routing encapsulation (GRE), IPv4-compatible, 6to4, and Intra-Site Automatic Tunnel Addressing Protocol (ISATAP) overlay tunneling mechanisms.
B) Overlay tunnels can be configured between border routers or between a border router and a host capable of supporting IPv4 and IPv6.
C) A manual overlay tunnel supports point-to-multipoint tunnels capable of carrying IPv6 and Connectionless Network Service (CLNS) packets.
D) Cisco IOS supports manual, generic, routing encapsulation (GRE), IPv6-compatible, 4to6, and multiprotocol Label Switching (MPLS) Overlay tunneling mechanism.
E) Overlay tunnels can only be configured between border routers capable of supporting IPv4 and IPv6.
F) Overlay tunneling encapsulates IPv6 packets in IPv4 packets for delivery across an IPv4 infrastructure.

4. Which three restrictions apply to OSPF stub areas? (Choose three.)

A) Redistribution is not allowed unless the packet is changed to a type 7 packet.
B) The area has no more than 10 routers.
C) The area cannot be a backbone area.
D) No Autonomous System Boundary Routers are allowed.
E) No virtual links are allowed.
F) Interarea routes are suppressed.

5. Refer to the exhibit.

Routers RTA and RTB are running BGP but the session is active. What command needs to be added to establish the BGP session?

A) network 10.10.10.0
B) ip route 10.10.10.1 255.255.255.255 s0/0 ip route 10.10.10.1 255.255.255.255 s0/1
C) neighbor 10.10.10.1 next-hop-self
D) no synchronization

Solutions: