Câu 10: JN0-360: Juniper Networks Certified Internet Specialist SP (JNCIS-SP)

-- Exhibit --user@R1> showinterfaces {ge-1/1/0 {unit 0 {family inet {address 10.100.1.1/30;}family iso;}}lo0 {unit 0 {family inet {address 10.100.10.1/32;}family iso {address 49.1001.0010.0100.00;}}}}protocols {isis {level 1 disable;interface ge-1/1/0.0 {level 2 disable;}interface lo0.0;}}user@R2> showinterfaces {ge-1/1/0 {unit 0 {family inet {address 10.100.1.2/30;}family iso {mtu 1496;}}}lo0 {unit 0 {family inet {address 10.100.10.2/32;}family iso {address 49.1002.0010.0200.00;}}}}protocols {isis {interface ge-1/1/0.0 {level 2 disable;}interface lo0.0;}}-- Exhibit --Click the Exhibit button. Referring to the exhibit, R1 and R2 are directly connected using interface ge-1/1/0. What is the reason the IS-IS adjacency fails?

1. A. R2 has an MTU value of 1496 configured on ge-1/1/0.
2. B. R2 and R1 have different area IDs. — đáp án hiện tại
3. C. R1 is configured for Level 2, and R2 is configured for Level 1.
4. D. R1 is configured for both Level 1 and Level 2 to be disabled.