... E 4. A5. E6. A, B, D7. B8. C9. A, B, C, D, E10. A, C, D11. B, C, D12. E13. A and B 14. B15. B and C16. A and D17. A, B, E18. C19. A, B, C20. D21. C and D22. C and E23. C 24. ... the technologies in use. For example, if label stacking is in use, then the MTU must be adjusted to accommodate the entire label stack size at 4 bytes per label. 4. Labels in the range of 0 to ... Miscellaneous■ Concatenation support ■ Use RFC 21 04 HMAC-MD5 ■ CMTS authenticationChapter 4 “Do I Know This Already?”1. B2. A3. C 4. B150x01x.book Page 596 Monday, June 18, 2007 8:52...