Telecommunications Protocols Flashcards
6 cards from real Telecommunications practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Telecommunications Protocols flashcards as text
What is the purpose of BGP in the internet?
Answer: Exchange routing information between autonomous systems
BGP (Border Gateway Protocol) is the inter-domain routing protocol that manages how packets are routed between autonomous systems on the internet.
What is the primary purpose of MPLS in carrier networks?
Answer: Forward packets using short labels rather than long IP table lookups
MPLS (Multiprotocol Label Switching) improves packet forwarding efficiency by using short labels instead of complex IP routing table lookups.
What does SS7 stand for in telecom signaling?
Answer: Signaling System Number 7
SS7 (Signaling System No. 7) is the protocol suite used by PSTN carriers worldwide to set up and tear down telephone calls and manage services.
What protocol does OSPF use for route advertisements?
Answer: IP multicast (protocol 89)
OSPF uses IP protocol 89 with multicast addresses (224.0.0.5 and 224.0.0.6) to exchange link-state advertisements.
What is the primary difference between TCP and UDP?
Answer: TCP provides reliable delivery with acknowledgments; UDP is connectionless with no guarantees
TCP guarantees delivery through acknowledgments and retransmissions, while UDP is faster but provides no delivery guarantees.
What does ICMP primarily provide?
Answer: Network diagnostics and error reporting
ICMP (Internet Control Message Protocol) provides error reporting and network diagnostics, used by tools like ping and traceroute.