CCIE R&S 350-001 Q&As – RIP, VRRP,HSRP,GLBP (21-25)

admin   June 13, 2012   Comments Off on CCIE R&S 350-001 Q&As – RIP, VRRP,HSRP,GLBP (21-25)

Section 11 – RIP, VRRP,HSRP,GLBP

Policy-based routing allows network administrators to implement routing policies to allow or deny paths based on all of these factors except which one?
A.    End system
B.    Protocol
C.    Application
D.    Throughput
Answer: D

Policy-based routing (PBR) provides a mechanism for expressing and implementing forwarding/routing of data packets based on the policies defined by the network administrators. It provides a more flexible mechanism for routing packets through routers, complementing the existing mechanism provided by routing protocols.
policy-based routing allows network administrators to determine and implement routing policies to allow or deny paths based on the following:
Identity of a particular end system
Size of packets

For the following protocols, which one provides a mechanism to transparently intercept and redirect CIFS traffic from a client to a local Cisco Wida Area Application engine?
A.    Virtual Router Redundancy Protocol (VRRP)
B.    File Transport Protocol (FTP)
C.    Hot Standby Routing Protocol (HSRP)
D.    Web Cache Communication Protocol (WCCP)
Answer: D

Study the exhibit carefully. In this network, if all required configurations are true for routing. Subnet is sourced by PG-A and advertised via BGP, OSPF, and EIGRP. Finally, PG-G knows this subnet. Which routing protocol and administrative distance can be used by PG-G to reach subnet
A.    EIGRP, AD 90
B.    EIGRP, AD 170
C.    OSPF, AD 110
D.    BGP, AD 20
Answer: A
Lowest AD for prefix of same length

Which two statements are true about the role of split horizon? (Choose two.)
A.    It is a function used by routing protocols to install routes into routing table
B.    It is a function that prevents the advertising of routes over an interface that the router is using to reach a route
C.    Its function is to help avoid routing loops.
D.    It is a redistribution technique used by routing protocols
Answer: BC
Split horizon is a method of preventing a routing loop in a network. The basic principle is simple: Information about the routing for a particular packet is never sent back in the direction from which it was received.
Split horizon can be achieved by means of a technique called poison reverse. This is the equivalent of route poisoning all possible reverse paths – that is, informing all routers that the path back to the originating node for a particular packet has an infinite metric. Split horizon with poison reverse is more effective than simple split horizon in networks with multiple routing paths, although it affords no improvement over simple split horizon in networks with only one routing path.

Based on the output provided in the exhibit, to which address or location will the router forward a packet sent to
D.    The default gateway
Answer: A
Longest prefix for is EIGRP

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