Importance of Serial Interfaces?

in CCNA & CCENT
Hey All,
Just wanted to share a question I had in my mind for quiet some time. Are serial interfaces still important today?
The ccna still covers them along with the ccnp, on topics like authentication and encapsulation.
Has anyone seen them in production today? Ive been in IT for 18 months and in a networking role for 6 months for an international business and have yet to come across them.
Any ideas?
Happy New years guys!
Just wanted to share a question I had in my mind for quiet some time. Are serial interfaces still important today?
The ccna still covers them along with the ccnp, on topics like authentication and encapsulation.
Has anyone seen them in production today? Ive been in IT for 18 months and in a networking role for 6 months for an international business and have yet to come across them.
Any ideas?
Happy New years guys!
[X] CCNA R&S
[X] CCNP Route 300-101
[ ] CCNP Switch 300-115
[ ] CCNP T-Shoot 300-135
[ ] NPDESI 300-550
[ ] CCIE R&S Written
[ ] CCIE R&S LAB
[X] CCNP Route 300-101
[ ] CCNP Switch 300-115
[ ] CCNP T-Shoot 300-135
[ ] NPDESI 300-550
[ ] CCIE R&S Written
[ ] CCIE R&S LAB
Comments
I haven't seen it in use for a while or heard of it's use, but I'm sure there are some networks where it would be.
I'm guessing that your international support experience is mostly countries that have a modern infrastructure? You can find a lot of serial connectivity in the 3rd world.