Telecommunications Telecommunications Protocols 2

Question 1

What is the purpose of Spanning Tree Protocol (STP)?

Accepted Answer

Prevent switching loops in Ethernet networks

Answer

Aggregate multiple links for higher bandwidth

Answer

Route packets between subnets

Answer

Encrypt Ethernet frames

Question 2

What does GRE tunneling allow?

Accepted Answer

Encapsulate one protocol inside another for transport across incompatible networks

Answer

Encrypt all traffic automatically

Answer

Provide DHCP across VLANs

Answer

Compress video traffic over WAN

Question 3

What is the purpose of SNMP in network management?

Accepted Answer

Monitor and manage network devices remotely

Answer

Route packets across AS boundaries

Answer

Resolve IP addresses to MAC addresses

Answer

Establish encrypted VPN sessions

Question 4

What is IS-IS and where is it commonly used?

Accepted Answer

Intermediate System to Intermediate System; used in large ISP and carrier backbone networks

Answer

Internet Standard for IP Switching; used in enterprise LANs

Answer

Integrated Security for IP Systems; used in firewall deployments

Answer

Internet Stability Improvement System; used in CDN networks

Question 5

What does NTP stand for and what does it do?

Accepted Answer

Network Time Protocol; synchronizes clocks across network devices

Answer

Network Transfer Protocol; transfers files between servers

Answer

Node Traffic Protocol; manages QoS policies

Answer

Network Topology Protocol; discovers network maps

Question 6

What is RADIUS used for in telecommunications?

Accepted Answer

Centralized authentication, authorization, and accounting (AAA) for network access

Answer

Routing decisions in core networks

Answer

Real-time audio distribution over IP

Answer

Remote access to diagnostic interfaces