A 32-Bit MPLS Header Consists of a 20-Bit Label Used

question 222

Multiple Choice

A 32-bit MPLS header consists of a 20-bit label used for packet forwarding, a 3-bit EXP field that identifies the IP packet priority, a 1-bit bottom-of-stack flag that identifies the last label, and an 8- bit ITL field. Which statement about the ITL field is true?

• A) It is used to prevent packet forwarding loops, similar to the TTL field in an IP header.
• B) It is used for label management.
• C) It specifies the upstream device in label distribution
• D) It controls the LSR.

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Definitions:

Reasonable Care

The standard of care that a reasonably prudent person would use in a similar situation to avoid harm to others.

Sole Benefit

Pertains to actions or provisions designed to favor a single person or entity exclusively.

Bailee

A person or entity who is given temporary possession but not ownership of a property or goods for a specific purpose.

Bailed Property

Property that is in the custody of one party but belongs to another, under an agreement for its return or safeguarding.