---
title: "15 best VSAM Quiz Questions for Mainframe Developers"
description: "VSAM also called virtual storage access method. Try these questions. Readily useful for your projects."
url: https://srinimf.com/2015/12/20/15-best-vsam-quiz-questions-for-mainframe-developers/
date: 2015-12-20
modified: 2019-08-06
author: "Srini"
image: https://i0.wp.com/srinimf.com/wp-content/uploads/2015/12/vsam-quiz.jpg?fit=643%2C225&ssl=1
categories: ["Quiz", "VSAM"]
tags: ["vsam quiz", "VSAM Quiz for mainframe developers"]
type: post
lang: en
---

# 15 best VSAM Quiz Questions for Mainframe Developers

1. VSAM data can be processed by logical record or by control interval [True]
2. After software-end-of-file is written, the file is in recovery [False]
3. VERIFY cannot be used for an empty data set or an LDS. [True]
4. Strings allow concurrent positioning within a data set.
5. The default buffer space for a cluster is STRNO index buffers and STRNO+1 data buffers.[True]
6. Sequential processing is overlapped when at least STRNO+3 data buffers are allocated.[True]
7. ALTER can be used to change an ESDS into an LDS.[False]
8. For random or direct processing, smaller data CIs are desirable.[True]
9. Free space is used to reduce the number of CI and CA splits.[True]
10. Key compression applies to the index[True]
11. An alternate index cannot be defined for an RRDS or LDS.[True]
12. A path provides a way to gain access to the base data through its AIX.[True]
13. Base cluster must not be empty for BLDINDEX.[False]
14. Length of the alternate keys must not exceed 255.[True]
15. When exporting a data set, we specify TEMPORARY to preserve the original data set[False]

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