Telecommunications Telecommunications Protocols 2

Question 1

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

Accepted Answer

Prevent switching loops in Ethernet networks

Answer

STP (Spanning Tree Protocol) prevents Layer 2 loops in redundant switched networks by placing redundant links in a blocking state.

Question 2

What does GRE tunneling allow?

Accepted Answer

Encapsulate one protocol inside another for transport across incompatible networks

Answer

GRE (Generic Routing Encapsulation) wraps one network protocol inside another, enabling transport of non-IP protocols or creating VPN tunnels.

Question 3

What is the purpose of SNMP in network management?

Accepted Answer

Monitor and manage network devices remotely

Answer

SNMP (Simple Network Management Protocol) allows network administrators to monitor device status, collect statistics, and configure equipment remotely.

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

IS-IS is a link-state routing protocol widely used in large ISP backbones and carrier networks as an alternative to OSPF.

Question 5

What does NTP stand for and what does it do?

Accepted Answer

Network Time Protocol; synchronizes clocks across network devices

Answer

NTP (Network Time Protocol) synchronizes the clocks of computers and network devices to a reliable time source.

Telecommunications Practice Test

Telecommunications Practice Test

Telecommunications Telecommunications Protocols 2