ETCP IP and Transport Networks 2

Question 1

Which technology does Ericsson use for network synchronization in transport networks to support LTE/5G timing requirements?

Accepted Answer

PTP (IEEE 1588)

Answer

NTP

Answer

SNTP

Answer

TRILL

Question 2

What is the function of RSVP-TE in Ericsson MPLS networks?

Accepted Answer

Signals and reserves resources for traffic-engineered LSPs

Answer

Provides dynamic host configuration

Answer

Manages subscriber authentication

Answer

Monitors link utilization

Question 3

In Ericsson IP transport, what is a VRF used for?

Accepted Answer

Creating separate virtual routing tables for different customers or services

Answer

Encrypting inter-node traffic

Answer

Managing physical port configurations

Answer

Measuring packet loss on a link

Question 4

Which Ericsson product line is used to provide microwave backhaul connectivity for mobile sites?

Accepted Answer

Ericsson MINI-LINK

Answer

Ericsson RBS 6000

Answer

Ericsson Smart Services Router

Answer

Ericsson MSC-S

Question 5

What does the term 'Fast Reroute (FRR)' mean in Ericsson MPLS transport?

Accepted Answer

A method to quickly switch to a pre-computed backup path when a failure is detected

Answer

A protocol for rapid BGP convergence

Answer

A technique for accelerating packet queuing

Answer

A hardware mechanism for forwarding at line rate

Question 6

Which encapsulation is used in Ericsson's Carrier Ethernet services to transport Layer 2 frames over an MPLS core?

Accepted Answer

Pseudowire (PWE3)

Answer

GRE

Answer

VXLAN

Answer

IPsec tunnel