Refer to the exhibit. Which two statements are true? (Choose two.)
Correct Answer: A,D
Explanation/Reference:
Explanation:
Prior to January 2009, BGP autonomous system (AS) numbers that were allocated to companies were 2- octet numbers in the range from 1 to 65535 as described in RFC 4271, A Border Gateway Protocol 4 (BGP-4). Due to increased demand for AS numbers, the Internet Assigned Number Authority (IANA) started to allocate four-octet AS numbers in the range from 65536 to 4294967295. RFC 5396, Textual Representation of Autonomous System (AS) Numbers, documents three methods of representing AS numbers. Cisco has implemented the following two methods:
Reference: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/xe-3s/irg-xe-3s- book/irg-4byte-asn.html