Cisco ENCOR Study Guide 2026
Everything you need to pass the Cisco ENCOR exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
Cisco ENCOR exam key facts
📋 Cisco ENCOR Exam Format at a Glance
📚 Cisco ENCOR Topics to Study (29)
✍️ Sample Cisco ENCOR Questions & Answers
1. What command parameter can be changed to encrypt data traffic?
The security model command set can be configured to enable data traffic encryption.
2. Which EtherChannel negotiation protocol is Cisco proprietary?
Port Aggregation Protocol (PAgP) is Cisco's proprietary protocol for negotiating EtherChannel link bundles, whereas LACP is the IEEE 802.3ad standard.
3. In SNMPv3, which security level provides both authentication and encryption?
The authPriv security level uses HMAC for authentication and DES/AES for privacy (encryption) of SNMP messages.
4. What does the 'ip helper-address' command accomplish on a Cisco router?
The ip helper-address command converts UDP broadcasts (including DHCP discover packets) into unicast packets forwarded to the specified server address.
5. (3) instructions to clear the NVRAM's data.
All three commands—`write erase`, `erase startup-config`, and `erase nvram:`—effectively clear the startup configuration stored in Non-Volatile RAM (NVRAM) on a Cisco device. `write erase` is a legacy command, while `erase startup-config` is a more explicit and modern command for the same purpose. `erase nvram:` directly targets the NVRAM file system to remove the startup configuration, often done to reset a device to its factory default settings.
6. Which LSA type is generated by an ASBR to advertise external routes into the OSPF domain?
Type 5 AS External LSAs are originated by ASBRs and flooded throughout the entire OSPF domain except into stub areas.
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How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- cisco.com — Eligibility, renewal, score validity, test delivery, fees, time limit · verified Oct 2026