Telecommunications Telecommunications Protocols

Question 1

What is the purpose of BGP in the internet?

Accepted Answer

Exchange routing information between autonomous systems

Answer

Assign IP addresses within a LAN

Answer

Manage DNS zone transfers

Answer

Authenticate VPN tunnels

Question 2

What is the primary purpose of MPLS in carrier networks?

Accepted Answer

Forward packets using short labels rather than long IP table lookups

Answer

Provide wireless encryption

Answer

Assign public IP addresses to customers

Answer

Manage SONET ring protection

Question 3

What does SS7 stand for in telecom signaling?

Accepted Answer

Signaling System Number 7

Answer

Structured Signal Standard 7

Answer

Secure Session Standard 7

Answer

Switched Service System 7

Question 4

What protocol does OSPF use for route advertisements?

Accepted Answer

IP multicast (protocol 89)

Answer

TCP unicast

Answer

UDP broadcast

Answer

ICMP

Question 5

What is the primary difference between TCP and UDP?

Accepted Answer

TCP provides reliable delivery with acknowledgments; UDP is connectionless with no guarantees

Answer

TCP is faster; UDP is slower

Answer

TCP uses less overhead; UDP uses more overhead

Answer

TCP is for voice; UDP is for data

Question 6

What does ICMP primarily provide?

Accepted Answer

Network diagnostics and error reporting

Answer

Reliable data transfer

Answer

Dynamic IP address assignment

Answer

Encrypted tunneling