What is the purpose of the 2002::/16 prefix in 6to4 tunneling?

It is used to identify the IPv4 tunnel source address

It is used for the IPv4-compatible IPv6 address format

It is the well-known prefix used to construct 6to4 IPv6 addresses

It identifies the IPv6 packet as a multicast packet

When configuring an IPv6 over IPv4 tunnel on a Junos device, which two statements are required to define the tunnel endpoints?

tunnel-source and tunnel-destination

source-address and destination-address

local-address and remote-address

What is the primary purpose of an IPv6 over IPv4 tunnel?

To replace the IPv6 header with an IPv4 header at the tunnel source and restore it at the destination

To compress IPv6 headers so they fit within the maximum transmission unit of an IPv4 network

To translate IPv6 packets into IPv4 packets so they can be routed on an IPv4-only network

To encapsulate IPv6 packets in IPv4 packets so they can traverse an IPv4-only network

A Junos router has a configured IPv6-over-IPv4 tunnel that is not passing traffic. The tunnel source and destination are correctly configured, and the tunnel interface is up. Which command should the engineer use first to verify that the tunnel is actually encapsulating and forwarding packets?

show interfaces ip-0/0/0 extensive

Juniper NetworksCertified Specialist, Service Provider Routing and Switching (JNCIS-SP)

Domain 8Objective 3

IPv6 over IPv4 Tunneling JN0-364 Practice Questions (Page 2)

Part of the IPv6 domain, which makes up ~5% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~2–3 in this domain), expect 1–1 from this objective — we provide 16 practice questions to prepare you well beyond it. (estimate)

16questions here

4free pages

6concepts

Questions 6–10

6foundation · easy
What is the purpose of the 2002::/16 prefix in 6to4 tunneling?
Select an answer first
7foundation · easy
Which Junos configuration statement is used to specify the local endpoint of an IPv6 over IPv4 tunnel?
Select an answer first
8foundation · easy
When configuring an IPv6 over IPv4 tunnel on a Junos device, which two statements are required to define the tunnel endpoints?
Select an answer first
9foundation · easy
What is the primary purpose of an IPv6 over IPv4 tunnel?
Select an answer first
10application · medium
A Junos router has a configured IPv6-over-IPv4 tunnel that is not passing traffic. The tunnel source and destination are correctly configured, and the tunnel interface is up. Which command should the engineer use first to verify that the tunnel is actually encapsulating and forwarding packets?
Select an answer first

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