Which one of the following regarding the BGP route refresh feature is correct?

How do BGP confederations reduce the requirements for a full-mesh iBGP configuration?

Which two command scenarios will alter the BGP local-preference attribute to 120? (Choose two)

Within a transit AS, which routes should the IGP carry if the edge routers are using next-hop-self?

Examine the following route-map configuration:
route-map test permit 10
match as-path 10
set community no-export additive
Which of the statements below is correct?

What is one method an ISP can use to reduce the BGP requirements within the ISP network core?

When BGP is configured for aggregate addressing, which attribute is set by default unless the as-set keyword is specified?

What does the following command accomplish?
Certkiller #clear ip bgp 10.1.1.1 in prefix-filter

CK4 >show ip bgp 172.0.0.0
BGP routing table entry for 172.0.0.0/8, version 4 Paths: (1 available, best #1, table Default-IP-Routing-Table) Advertised to non peer-group peers:
192.168.1.6
50111
2.2.2.2 (metric 2323456) from 3.3.3.3 (3.3.3.3)
Origin IGP, metric 0, localpref 100, valid, internal, best Originator: 2.2.2.2, Cluster list: 3.3.3.3
Based on the shown ip bgp 172.0.0.0 output shown, which statement is true about the 172.0.0.0/8 prefix?

Which show command can be used to display the originator ID and cluster-list?