What is a difference between using the network command vs. the aggregate-address command to perform route aggregation and summarization?

Which of these statements regarding the aggregate-address command is correct?

Who should use private AS numbers?

Which three of these statements describe a transit AS? (Choose three.)

A customer multihomed to two ISPs is assigned a different AS number from each ISP. In this case, which BGP configuration option can the customer use to resolve this issue?

You are a customer who is multihomed to two different ISPs-one for primary and another for backup. Each ISP assigned you a different AS number. How should you implement your AS number?

When verifying the BGP neighbor relationships on your router, you issue the show ip bgp summary command and there were no results. Which of the following could be the problem?

External BGP peers must normally reside on a directly connected network. Sometimes it is useful to relax this restriction to enable load balancing. Which neighbor command option is used to permit this?

Which command allows IBGP to scale within an AS?

The core routers within a transit AS are running both IBGP and IGP. The edge routers within the transit AS are using the next-hop-self option to establish the IBGP sessions. What can be implemented to improve the routing performance to all external prefixes?