[单项选择] BGP route dampening is configured on a BGP router. Whose routing behavior is affected by this configuration?（）
A. upstream EBGP neighbors
B. downstream EBGP neighbors
C. upstream IBGP neighbors learned by IBGP peers
D. downstream IBGP neighbors learned by IBGP peers

[单项选择]A BGP router is configured with bgp dampening 8 300 1500 20 route-map 1 .What does the value of 20 represent?（）
A. reuse
B. suppress
C. half-life
D. max-suppress-time

[单项选择]Router R1, in ASN 11, learns a BGP route from BGP peer R22 in ASN 22. R1 and then uses BGP to advertise the route to R2, also in ASN 11. What ASNs would you see in the BGP table on R2 for this route?（）
A. 22
B. 11
C. 1
D. None

[单项选择]You have received a default route through BGP from your ISP and you want to redistribute it into OSPF.Which mehtod will accomplish this?（）
A. Apply an export policy to OSPF that exports the default route
B. Apply an import policy to OSPF that imports the default route
C. Apply the default-network command to OSPF
D. Apply the redistribute-igp command to BGP

[单项选择]You have just configured a static default route on router TK1. What is the purpose of a default route?（）
A. It is a route to be used when the routing protocol fails.
B. It is a route configured by an ISP that sends traffic into a corporate network.
C. It is a route used when a packet is destined for a remote network that is not listed in the routing table.
D. It is a route manually configured for a specific remote network for which a routing protocol is not configured.
E. It is used to send traffic to a stub network.

[单项选择]PassGuide has a BGP network and a BGP route of 197.22.129.0/24 that should be propagated to all of the devices. The route is currently not in any of the routing tables. The PassGuide administrator determines that an access list is the cause of the problem. The administrator changes the access list to allow this route, but the route still doesnot appear in any of the routing tables. What should be done to propagate this route（）
A. Use the service-policy command to adjust the QOS policy to allow the route to propagate.
B. Clear the BGP session.
C. Use the release BGP routing command.
D. Change both the inbound and outbound policy related to this route.
E. None of the other alternatives apply

[多项选择]What are two advantages of BGP route aggregation?（） (Choose two.)
A. It can reduce routing table size.
B. It allows for optimal route selection.
C. It can reduce the number of routing updates.
D. It always shortens the attribute list for the aggregated route.

[单项选择]Which statement describes the purpose of BGP route damping?（）
A. Avoid interface bandwidth saturation.
B. Drop BGP routes when the routing-table becomes full.
C. Remove unnecessary route attributes when not in use.
D. Limit the effects of a flaping interface on route removal and readvertisement.

[单项选择]What does a BGP route reflector do when reflecting a route?（）
A. It prepends its cluster identifier to the route's cluster list.
B. It prepends its own originator identifier to the route's cluster list.
C. It replaces the route's cluster identifier with its own cluster identifier.
D. It replaces the route's originator identifier with its originator identifier.

[多项选择]You receive an EBGP route configured with the no-export community set.To which types of peers can you send this route?（） (Choose two.)
A. no BGP peers
B. all I-BGP peers
C. all E-BGP peers within your global AS
D. all E-BGP peers outside your global AS

[多项选择]Which two BGP attributes support route reflection?（）
A. Client ID
B. Cluster list
C. Originator ID
D. Reflection community

[单项选择]Which BGP route selection criterion is superior?（）
A. lowest MED
B. highest weight
C. lowest local preference
D. highest local preference

[单项选择]What is the first step in BGP route selection?（）
A. The local router prefers the route with the shortest as-path.
B. The router first verifies that it has a route to the bgp Next Hop IP address.
C. The local router prefers the route from the peer with the lowest peer id address.
D. The local router prefers the route learned from an ebgp peer over a route learned from an ibgp peer.

[单项选择] A BGP router is configured as shown below：  interface ethernet 0 ip address 10.10.10.1 255.255.0.0! int serial 0 ip address 172.16.1.1 255.255.255.252! router bgp 65001 neighbor 192.168.1.1 remote-as 65002   Based on the above configuration， which of the following BGP statements would inject the10.10.0.0/16 prefix into the BGP routing table？（）
A. network 10.0.0.0
B. network 10.10.0.0 mask 255.255.0.0
C. network 10.10.10.1 mask 255.255.255.255
D. network 10.10.10.0 mask 255.255.255.0
E. network 10.0.0.0 mask 255.255.0.0

[单项选择]BGP best route selection process is based on path attributes.（）
A. True
B. False

[单项选择]What is the purpose of IP Event Dampening?（）
A. to configure a subinterface so that it can be applied to the primary interface in order to prevent exponential selective dampening
B. to suppress the effects of excessive interface flapping events on routing protocols and routing tables in the network
C. to introduce a nonconfigurable exponential delay mechanism
D. to allow the network operator to configure a router to automatically dampen and selectively identify a local interface that is failing