Refer to the exhibit. Routers R1 and R2 were configured with EIGRP message authentication, but the routers cannot exchange EIGRP messages. Which two problems are causing the EIGRP authentication failure between R1 and R2 in this configuration? (Choose two.)

Refer to the exhibit. Routers R1 and R2 were configured with EIGRP message authentication, but the routers cannot exchange EIGRP messages. Which two problems are causing the EIGRP authentication failure between R1 and R2 in this configuration? (Choose two.)

• The key ID is invalid, because its value has to be in the range from 1 to 2147483647.
• The EIGRP message authentication is being configured on the wrong interface on R2.
• The key chain name must be in upper case.
• The routers have a different value for the key-string.
• At least two keys had to be created for each key chain.

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