200-101 Question #191: Real Exam Question with Answer & Explanation

The correct answer is B: PPP. Cisco IOS supports IPv6 over a specific set of data link layer technologies. PPP (Point-to-Point Protocol) is supported for IPv6, making B correct. Frame Relay PVC (Permanent Virtual Circuit) is also supported for IPv6 on Cisco IOS, making E correct. FDDI is a legacy Token Ring-s

Question

Which two data link layers are supported by Cisco IOS Software for IPv6? (Choose two.)

Options

AFDDI
BPPP
CNBMA
DFrame Relay SVC
EFrame Relay PVC

Explanation

Cisco IOS supports IPv6 over a specific set of data link layer technologies. PPP (Point-to-Point Protocol) is supported for IPv6, making B correct. Frame Relay PVC (Permanent Virtual Circuit) is also supported for IPv6 on Cisco IOS, making E correct. FDDI is a legacy Token Ring-style technology not supported for IPv6 in Cisco IOS. Frame Relay SVC (Switched Virtual Circuit) is not supported for IPv6. NBMA (Non-Broadcast Multi-Access) is a network type descriptor rather than a Layer 2 protocol, and is not listed as a supported data link layer for IPv6.

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