5G Transport Network Design for CCIE Service Provider

1. In MPLS Traffic Engineering (TE), what does the constraint-based routing solve?

Eliminates the need for QoS

Creates paths respecting bandwidth and resource constraints

Replaces BGP entirely

Increases latency predictably

2. What does a multi-layer network design in 5G service provider architecture accomplish?

Increases total network cost

Optimizes performance across packet, optical, and wireless layers

Eliminates redundancy requirements

Simplifies vendor management

3. In 5G fronthaul design, which latency component is most critical?

Processing delay in routers

Propagation and serialization delay

BGP convergence time

DNS lookup latency

4. What is the typical transmission reach for standard single-mode fiber without regeneration?

10 kilometers

40 kilometers

80 kilometers

200 kilometers

5. Which technology reduces OPEX in 5G transport by automating network provisioning?

Manual CLI configuration

Static routing tables

Software-Defined Networking (SDN)

Increased fiber redundancy

6. In service provider networks, what does VXLAN primarily enable?

Optical fiber management

Layer 2 network virtualization over IP

BGP route filtering

Physical layer encryption

7. What is the purpose of a service level agreement (SLA) in 5G transport design?

Define guaranteed performance metrics and penalties

Eliminate all network latency

Remove the need for monitoring

Reduce equipment costs

8. In wavelength division multiplexing (WDM), what determines the number of wavelengths per fiber?

Router configuration only

Optical spectrum allocation and laser spacing

Number of IP addresses available

BGP AS number assignments

9. Which protocol is used for inter-domain routing in large 5G service provider networks?

OSPF

IS-IS

BGP

RIP

10. What is the primary function of a disaggregated network architecture in 5G?

Integrate all functions into single hardware

Separate hardware from software for flexibility

Reduce network redundancy

Eliminate vendor interoperability

11. What is the primary advantage of Segment Routing (SR) over traditional MPLS in 5G transport networks?

Eliminates the need for LDP signaling protocol

Increases packet size for better throughput

Requires more router memory for routing tables

Simplifies BGP configuration requirements

12. What does the term 'backhaul' refer to in 5G transport networks?

Connection from base station to core network

Wireless link between user and base station

Fiber link between two optical nodes

Backup routing path only

13. Which SDN controller architecture is most suitable for large-scale 5G service provider networks?

Centralized single controller

Distributed multi-controller with synchronization

Decentralized peer-to-peer

Hybrid with no redundancy

14. In optical-electrical-optical (OEO) regeneration, what is the primary purpose?

Increase packet size for efficiency

Restore signal quality over long distances

Reduce network cost permanently

Simplify router configuration

15. What is the role of the control plane in 5G transport network design?

Forward user data packets

Manage routing decisions and network topology

Encode video streams

Authenticate end-user devices

16. Which routing protocol is preferred for 5G service provider backbone networks for scalability?

RIPv2

OSPF

BGP with SR-MPLS

IS-IS only without extensions

17. In service provider networks, what does QoS class identifier (QCI) define in 5G?

Physical layer modulation scheme

Service characteristics and handling priority

Optical wavelength assignment

Router CPU utilization thresholds

18. What is the typical latency requirement for 5G ultra-reliable low-latency communication (URLLC)?

Less than 1 millisecond

Less than 10 milliseconds

Less than 100 milliseconds

Less than 500 milliseconds

19. Which technology enables network slicing in 5G transport networks?

VLAN tagging only

Network Function Virtualization (NFV) and SDN

Traditional circuit switching

Static routing protocols

20. In packet-optical integration, what function does the optical layer primarily provide?

IP routing and forwarding decisions

High-capacity wavelength transport and grooming

TCP/IP protocol processing

DNS name resolution services

CCIE Service Provider 5G Transport Network Design Quiz