All nodes in the topology belong to the same IGP are
a. They can learn routers from each other and have the TE capability. The tunnels configured below can be Up. Refer to the following configuration of RTA,Which of the following statements are true?
#
mpls lsr-id 1.1.1.1
mpls
mpls te
mpls rsvp-te
mpls te cspf
#
explicit-path pri-path
next hop 3.1.1.2
next hop 4.1.1.2
next hop 5.1.1.2
#
explicit-path bypass-1
next hop 2.1.1.2next hop 6.1.1.1
#
explicit-path bypass-2
next hop 2.1.1.2
next hop 7.1.1.2
#
explicit-path bypass-3
next hop 8.1.1.2
next hop 9.1.1.2
#
interface Tunnel1/0/0
ip address unnumbered interface LoopBack0
tunnel-protocol mpls te
destination 4.4.4.4
mpls te tunnel-id 100
mpls te record-route label
mpls te path explicit-path pri-path
mpls te fast-reroute
mpls te commit
#
interface Tunnel2/0/0
ip address unnumbered interface LoopBack0
tunnel-protocol mpls te
destination 2.2.2.2
mpls te tunnel-id 101
mpls te record-route label
mpls te path explicit-path bypass-1
mpls te bypass-tunnel
mpls te protected-interface GigabitEthernet 3/0/0
mpls te commit
#
interface Tunnel2/0/1
ip address unnumbered interface LoopBack0
tunnel-protocol mpls te
destination 3.3.3.3
mpls te tunnel-id 102
mpls te record-route label
mpls te path explicit-path bypass-2
mpls te bypass-tunnel
mpls te protected-interface GigabitEthernet 3/0/0
mpls te commit
#
interface Tunnel2/0/2ip address unnumbered interface LoopBack0
tunnel-protocol mpls te
destination 4.4.4.4
mpls te tunnel-id 103
mpls te record-route label
mpls te path explicit-path bypass-3
mpls te bypass-tunnel
mpls te protected-interface GigabitEthernet 3/0/0
mpls te commit
#

Which command is used to query the aging time of the firewall session .

An Ethernet cable connects RTA to RTB through Ethernet 0/0.the OSPF neighbor relationship can be established without enabling the OSPF authentication function is enabled, Which of the following statements about the OSPF relationship between RTA and RTB are true?

BGP often uses AS PATH to control inter-area routes. Which of the following regular expressions helps ensure that routes within AS 100 and neighboring ASs are received from only one EBGP neighbor?

Which of the following statements about LDP-IGP synchronization are true?