SóProvas


ID
1874584
Banca
FGV
Órgão
SUDENE-PE
Ano
2013
Provas
Disciplina
Redes de Computadores
Assuntos

Assinale a alternativa que indica o tamanho do label MPLS (Multiprotocol Label Switching).

Alternativas
Comentários
  • Cabeçalho MPLS

    Rotulo (Label)       QoS       S          TTL

    20 bits                 3bits        1bit         8bits

  • O pacote MPLS possui 32 bits. O rótulo/label MPLS possui 20 bits.

     

    Gabarito: B

  • b-

     A label is a 20-bit identifier that uniquely identifies a FEC to which a packet belongs. Upon receipt of an IP packet from a non-MPLS network, the ingress of an LSP creates an MPLS header in the packet and inserts a specific label into this field.

    https://en.wikipedia.org/wiki/Multiprotocol_Label_Switching