Which BGPv4 authentication type is supported in JUNOS software?（）

A. 900 seconds
B. 1200 seconds
C. 3000 seconds
D. 65535 seconds

A. The default OSPF domain-id is 127.0.0.1.
B. In most cases, a domain-id must be configured.
C. In most cases, you do not need to configure a domain-id.
D. For a layer 3 VPN connecting multiple OSPF domains, configuring a domain-id can help control LSA translations.

A. export [add-communities no-rfc1918-routes rejected-unwanted];
B. export [no-rfc1918-routes add-communities rejected-unwanted];
C. export [add-communities rejected-unwanted no-rfc1918-routes];
D. export [no-rfc1918-routes rejected-unwanted add-communities];