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350-401 Practice Question: Which two statements about SNMP MIB objects and…
Which two statements about SNMP MIB objects and OIDs are true? (Choose two.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The MIB defines the structure of managed objects and their OIDs.
MIB (Management Information Base) is a hierarchical database of managed objects. Each object is identified by an OID (Object Identifier). OIDs are structured as a tree; for example, 1.3.6.1.2.1.1.1.0 is the sysDescr OID. The MIB defines the structure and allowed operations (get, set, etc.) for each object. SNMPv2c and SNMPv3 support GetBulk, which retrieves large tables efficiently. SNMPv1 does not support GetBulk.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The MIB defines the structure of managed objects and their OIDs.
Why this is correct
Correct: The MIB is a database that defines the structure and OIDs of managed objects.
- ✓
OIDs are always numeric and follow a hierarchical tree structure.
Why this is correct
Correct: OIDs are numeric identifiers that follow a tree hierarchy (e.g., 1.3.6.1.2.1).
- ✗
The GetBulk operation is supported in SNMPv1.
Why it's wrong here
Incorrect: GetBulk is not supported in SNMPv1; it was introduced in SNMPv2c.
- ✗
The sysDescr OID (1.3.6.1.2.1.1.1.0) is a read-write object.
Why it's wrong here
Incorrect: sysDescr is read-only; it contains system description information.
- ✗
A single MIB object can have multiple OIDs.
Why it's wrong here
Incorrect: Each MIB object has exactly one unique OID.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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