ETCP IP and Transport Networks 3

Question 1

In Ericsson transport networks, what does OAM stand for?

Accepted Answer

Operations, Administration, and Maintenance

Answer

Open Access Management

Answer

Optical Amplifier Module

Answer

Outbound Aggregation Mechanism

Question 2

What is the purpose of Ethernet OAM (802.3ah/802.1ag) in Ericsson Carrier Ethernet deployments?

Accepted Answer

To detect and locate faults in Ethernet links and services

Answer

To assign IP addresses to Ethernet devices

Answer

To encrypt Ethernet frames end-to-end

Answer

To increase Ethernet frame throughput

Question 3

Which protocol provides link-level failure detection in milliseconds in Ericsson IP transport, often used alongside OSPF or BGP?

Accepted Answer

BFD (Bidirectional Forwarding Detection)

Answer

LACP

Answer

STP

Answer

LLDP

Question 4

In Ericsson's Segment Routing (SR) deployment, what replaces traditional RSVP-TE signaling?

Accepted Answer

Source-based path encoding using segments

Answer

LDP

Answer

OSPF extensions only

Answer

Static MPLS labels

Question 5

What is the primary advantage of using SR-MPLS over traditional LDP in Ericsson transport networks?

Accepted Answer

Simplified control plane with source-based routing and no per-path state in transit nodes

Answer

Higher encryption strength

Answer

Lower physical layer bandwidth consumption

Answer

Native support for IPv6 only

Question 6

Which Ericsson feature allows a single physical interface to carry multiple logical connections with separate SLAs in transport networks?

Accepted Answer

Hierarchical QoS (H-QoS)

Answer

Link Aggregation (LAG)

Answer

Port Mirroring

Answer

Jumbo Frames