What is the primary purpose of a Route Distinguisher (RD) in an MPLS L3VPN?

To assign MPLS labels to VPN routes

To control the import and export of routes between VRFs

To make VPN IPv4 prefixes globally unique

In an MPLS L3VPN, what does a VRF (Virtual Routing and Forwarding) instance contain?

A configuration for the physical interfaces of the PE router

A separate routing table and forwarding table for a VPN

A set of firewall rules for VPN traffic

A list of all MPLS labels used in the network

What is the function of Route Targets (RTs) in an MPLS L3VPN?

To uniquely identify a VPN route

To assign MPLS labels to VPN routes

To control which VPN routes are imported into and exported from a VRF

CCIE Enterprise Infrastructure

Domain 3Objective 2

MPLS CCIE-ENTERPRISE-INFRASTRUCTURE Practice Questions (Page 3)

Part of the Transport Technologies and Solutions domain, which accounts for 15% of the CCIE-ENTERPRISE-INFRASTRUCTURE exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~8–12 in this domain), expect 3–4 from this objective — we provide 14 practice questions to prepare you well beyond it. (estimate)

14questions here

3free pages

7concepts

15%of the exam

Questions 11–14

11foundation · easy
Which router in an MPLS L3VPN is responsible for label switching in the core without maintaining VPN routing information?
Select an answer first
12foundation · easy
What is the primary purpose of a Route Distinguisher (RD) in an MPLS L3VPN?
Select an answer first
13foundation · easy
In an MPLS L3VPN, what does a VRF (Virtual Routing and Forwarding) instance contain?
Select an answer first
14foundation · easy
What is the function of Route Targets (RTs) in an MPLS L3VPN?
Select an answer first

Finished these 4 questions?

Review the revealed explanations, or continue through the curriculum.

No more pagesBack to CCIE-ENTERPRISE-INFRASTRUCTURE

Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by Cisco. “CCIE-ENTERPRISE-INFRASTRUCTURE” is a trademark of its owner, used for identification only.